├── .gitignore ├── GPL.md ├── LGPL.md ├── README.md ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── output ├── berlin-restaurant-density.geojson ├── relation-122895.geojson └── relation-16566.geojson ├── settings.gradle └── src └── main ├── java └── de │ └── topobyte │ └── osm4j │ └── examples │ ├── ListRestaurantsFromOverpassInBoundingBox.java │ ├── history │ ├── GeofabrikUtils.java │ ├── HistoryBasics.java │ ├── HistoryOfRestaurants.java │ └── HistoryVisibilityStats.java │ ├── misc │ └── ListRestaurantsInHavana.java │ └── tutorial │ ├── CountingBusinesses.java │ ├── CountingElements.java │ ├── CountingElements2.java │ ├── CountingElements3.java │ ├── HelloWorld.java │ ├── MapRendering.java │ ├── OverpassToPbf.java │ ├── PbfToXml.java │ └── geometry │ ├── BouroughBboxesBerlin.java │ ├── BuildPolygon1.java │ ├── BuildPolygon2.java │ ├── BuildWayPolygon.java │ ├── GeoJsonHelper.java │ ├── PolygonBufferDifference.java │ ├── PolygonBufferNegative.java │ ├── PolygonBufferPositive.java │ └── RestaurantDensityBerlin.java └── resources └── log4j.properties /.gitignore: -------------------------------------------------------------------------------- 1 | /bin/ 2 | build 3 | .gradle 4 | .project 5 | .classpath 6 | .settings 7 | *.swp 8 | src/main/resources/secure.properties 9 | -------------------------------------------------------------------------------- /GPL.md: -------------------------------------------------------------------------------- 1 | GNU General Public License 2 | ========================== 3 | 4 | _Version 3, 29 June 2007_ 5 | _Copyright © 2007 Free Software Foundation, Inc. <>_ 6 | 7 | Everyone is permitted to copy and distribute verbatim copies of this license 8 | document, but changing it is not allowed. 9 | 10 | ## Preamble 11 | 12 | The GNU General Public License is a free, copyleft license for software and other 13 | kinds of works. 14 | 15 | The licenses for most software and other practical works are designed to take away 16 | your freedom to share and change the works. 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No Surrender of Others' Freedom 472 | 473 | If conditions are imposed on you (whether by court order, agreement or otherwise) 474 | that contradict the conditions of this License, they do not excuse you from the 475 | conditions of this License. If you cannot convey a covered work so as to satisfy 476 | simultaneously your obligations under this License and any other pertinent 477 | obligations, then as a consequence you may not convey it at all. For example, if you 478 | agree to terms that obligate you to collect a royalty for further conveying from 479 | those to whom you convey the Program, the only way you could satisfy both those terms 480 | and this License would be to refrain entirely from conveying the Program. 481 | 482 | ### 13. Use with the GNU Affero General Public License 483 | 484 | Notwithstanding any other provision of this License, you have permission to link or 485 | combine any covered work with a work licensed under version 3 of the GNU Affero 486 | General Public License into a single combined work, and to convey the resulting work. 487 | The terms of this License will continue to apply to the part which is the covered 488 | work, but the special requirements of the GNU Affero General Public License, section 489 | 13, concerning interaction through a network will apply to the combination as such. 490 | 491 | ### 14. Revised Versions of this License 492 | 493 | The Free Software Foundation may publish revised and/or new versions of the GNU 494 | General Public License from time to time. Such new versions will be similar in spirit 495 | to the present version, but may differ in detail to address new problems or concerns. 496 | 497 | Each version is given a distinguishing version number. If the Program specifies that 498 | a certain numbered version of the GNU General Public License “or any later 499 | version” applies to it, you have the option of following the terms and 500 | conditions either of that numbered version or of any later version published by the 501 | Free Software Foundation. If the Program does not specify a version number of the GNU 502 | General Public License, you may choose any version ever published by the Free 503 | Software Foundation. 504 | 505 | If the Program specifies that a proxy can decide which future versions of the GNU 506 | General Public License can be used, that proxy's public statement of acceptance of a 507 | version permanently authorizes you to choose that version for the Program. 508 | 509 | Later license versions may give you additional or different permissions. However, no 510 | additional obligations are imposed on any author or copyright holder as a result of 511 | your choosing to follow a later version. 512 | 513 | ### 15. Disclaimer of Warranty 514 | 515 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. 516 | EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES 517 | PROVIDE THE PROGRAM “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER 518 | EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 519 | MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE 520 | QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE 521 | DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 522 | 523 | ### 16. Limitation of Liability 524 | 525 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY 526 | COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS THE PROGRAM AS 527 | PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, 528 | INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE 529 | PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE 530 | OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE 531 | WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE 532 | POSSIBILITY OF SUCH DAMAGES. 533 | 534 | ### 17. Interpretation of Sections 15 and 16 535 | 536 | If the disclaimer of warranty and limitation of liability provided above cannot be 537 | given local legal effect according to their terms, reviewing courts shall apply local 538 | law that most closely approximates an absolute waiver of all civil liability in 539 | connection with the Program, unless a warranty or assumption of liability accompanies 540 | a copy of the Program in return for a fee. 541 | 542 | _END OF TERMS AND CONDITIONS_ 543 | 544 | ## How to Apply These Terms to Your New Programs 545 | 546 | If you develop a new program, and you want it to be of the greatest possible use to 547 | the public, the best way to achieve this is to make it free software which everyone 548 | can redistribute and change under these terms. 549 | 550 | To do so, attach the following notices to the program. It is safest to attach them 551 | to the start of each source file to most effectively state the exclusion of warranty; 552 | and each file should have at least the “copyright” line and a pointer to 553 | where the full notice is found. 554 | 555 | 556 | Copyright (C) 557 | 558 | This program is free software: you can redistribute it and/or modify 559 | it under the terms of the GNU General Public License as published by 560 | the Free Software Foundation, either version 3 of the License, or 561 | (at your option) any later version. 562 | 563 | This program is distributed in the hope that it will be useful, 564 | but WITHOUT ANY WARRANTY; without even the implied warranty of 565 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 566 | GNU General Public License for more details. 567 | 568 | You should have received a copy of the GNU General Public License 569 | along with this program. If not, see . 570 | 571 | Also add information on how to contact you by electronic and paper mail. 572 | 573 | If the program does terminal interaction, make it output a short notice like this 574 | when it starts in an interactive mode: 575 | 576 | Copyright (C) 577 | This program comes with ABSOLUTELY NO WARRANTY; for details type 'show w'. 578 | This is free software, and you are welcome to redistribute it 579 | under certain conditions; type 'show c' for details. 580 | 581 | The hypothetical commands `show w` and `show c` should show the appropriate parts of 582 | the General Public License. Of course, your program's commands might be different; 583 | for a GUI interface, you would use an “about box”. 584 | 585 | You should also get your employer (if you work as a programmer) or school, if any, to 586 | sign a “copyright disclaimer” for the program, if necessary. For more 587 | information on this, and how to apply and follow the GNU GPL, see 588 | <>. 589 | 590 | The GNU General Public License does not permit incorporating your program into 591 | proprietary programs. If your program is a subroutine library, you may consider it 592 | more useful to permit linking proprietary applications with the library. If this is 593 | what you want to do, use the GNU Lesser General Public License instead of this 594 | License. But first, please read 595 | <>. 596 | -------------------------------------------------------------------------------- /LGPL.md: -------------------------------------------------------------------------------- 1 | GNU Lesser General Public License 2 | ================================= 3 | 4 | _Version 3, 29 June 2007_ 5 | _Copyright © 2007 Free Software Foundation, Inc. <>_ 6 | 7 | Everyone is permitted to copy and distribute verbatim copies 8 | of this license document, but changing it is not allowed. 9 | 10 | 11 | This version of the GNU Lesser General Public License incorporates 12 | the terms and conditions of version 3 of the GNU General Public 13 | License, supplemented by the additional permissions listed below. 14 | 15 | ### 0. Additional Definitions 16 | 17 | As used herein, “this License” refers to version 3 of the GNU Lesser 18 | General Public License, and the “GNU GPL” refers to version 3 of the GNU 19 | General Public License. 20 | 21 | “The Library” refers to a covered work governed by this License, 22 | other than an Application or a Combined Work as defined below. 23 | 24 | An “Application” is any work that makes use of an interface provided 25 | by the Library, but which is not otherwise based on the Library. 26 | Defining a subclass of a class defined by the Library is deemed a mode 27 | of using an interface provided by the Library. 28 | 29 | A “Combined Work” is a work produced by combining or linking an 30 | Application with the Library. The particular version of the Library 31 | with which the Combined Work was made is also called the “Linked 32 | Version”. 33 | 34 | The “Minimal Corresponding Source” for a Combined Work means the 35 | Corresponding Source for the Combined Work, excluding any source code 36 | for portions of the Combined Work that, considered in isolation, are 37 | based on the Application, and not on the Linked Version. 38 | 39 | The “Corresponding Application Code” for a Combined Work means the 40 | object code and/or source code for the Application, including any data 41 | and utility programs needed for reproducing the Combined Work from the 42 | Application, but excluding the System Libraries of the Combined Work. 43 | 44 | ### 1. Exception to Section 3 of the GNU GPL 45 | 46 | You may convey a covered work under sections 3 and 4 of this License 47 | without being bound by section 3 of the GNU GPL. 48 | 49 | ### 2. Conveying Modified Versions 50 | 51 | If you modify a copy of the Library, and, in your modifications, a 52 | facility refers to a function or data to be supplied by an Application 53 | that uses the facility (other than as an argument passed when the 54 | facility is invoked), then you may convey a copy of the modified 55 | version: 56 | 57 | * **a)** under this License, provided that you make a good faith effort to 58 | ensure that, in the event an Application does not supply the 59 | function or data, the facility still operates, and performs 60 | whatever part of its purpose remains meaningful, or 61 | 62 | * **b)** under the GNU GPL, with none of the additional permissions of 63 | this License applicable to that copy. 64 | 65 | ### 3. Object Code Incorporating Material from Library Header Files 66 | 67 | The object code form of an Application may incorporate material from 68 | a header file that is part of the Library. You may convey such object 69 | code under terms of your choice, provided that, if the incorporated 70 | material is not limited to numerical parameters, data structure 71 | layouts and accessors, or small macros, inline functions and templates 72 | (ten or fewer lines in length), you do both of the following: 73 | 74 | * **a)** Give prominent notice with each copy of the object code that the 75 | Library is used in it and that the Library and its use are 76 | covered by this License. 77 | * **b)** Accompany the object code with a copy of the GNU GPL and this license 78 | document. 79 | 80 | ### 4. Combined Works 81 | 82 | You may convey a Combined Work under terms of your choice that, 83 | taken together, effectively do not restrict modification of the 84 | portions of the Library contained in the Combined Work and reverse 85 | engineering for debugging such modifications, if you also do each of 86 | the following: 87 | 88 | * **a)** Give prominent notice with each copy of the Combined Work that 89 | the Library is used in it and that the Library and its use are 90 | covered by this License. 91 | 92 | * **b)** Accompany the Combined Work with a copy of the GNU GPL and this license 93 | document. 94 | 95 | * **c)** For a Combined Work that displays copyright notices during 96 | execution, include the copyright notice for the Library among 97 | these notices, as well as a reference directing the user to the 98 | copies of the GNU GPL and this license document. 99 | 100 | * **d)** Do one of the following: 101 | - **0)** Convey the Minimal Corresponding Source under the terms of this 102 | License, and the Corresponding Application Code in a form 103 | suitable for, and under terms that permit, the user to 104 | recombine or relink the Application with a modified version of 105 | the Linked Version to produce a modified Combined Work, in the 106 | manner specified by section 6 of the GNU GPL for conveying 107 | Corresponding Source. 108 | - **1)** Use a suitable shared library mechanism for linking with the 109 | Library. A suitable mechanism is one that **(a)** uses at run time 110 | a copy of the Library already present on the user's computer 111 | system, and **(b)** will operate properly with a modified version 112 | of the Library that is interface-compatible with the Linked 113 | Version. 114 | 115 | * **e)** Provide Installation Information, but only if you would otherwise 116 | be required to provide such information under section 6 of the 117 | GNU GPL, and only to the extent that such information is 118 | necessary to install and execute a modified version of the 119 | Combined Work produced by recombining or relinking the 120 | Application with a modified version of the Linked Version. (If 121 | you use option **4d0**, the Installation Information must accompany 122 | the Minimal Corresponding Source and Corresponding Application 123 | Code. If you use option **4d1**, you must provide the Installation 124 | Information in the manner specified by section 6 of the GNU GPL 125 | for conveying Corresponding Source.) 126 | 127 | ### 5. Combined Libraries 128 | 129 | You may place library facilities that are a work based on the 130 | Library side by side in a single library together with other library 131 | facilities that are not Applications and are not covered by this 132 | License, and convey such a combined library under terms of your 133 | choice, if you do both of the following: 134 | 135 | * **a)** Accompany the combined library with a copy of the same work based 136 | on the Library, uncombined with any other library facilities, 137 | conveyed under the terms of this License. 138 | * **b)** Give prominent notice with the combined library that part of it 139 | is a work based on the Library, and explaining where to find the 140 | accompanying uncombined form of the same work. 141 | 142 | ### 6. Revised Versions of the GNU Lesser General Public License 143 | 144 | The Free Software Foundation may publish revised and/or new versions 145 | of the GNU Lesser General Public License from time to time. Such new 146 | versions will be similar in spirit to the present version, but may 147 | differ in detail to address new problems or concerns. 148 | 149 | Each version is given a distinguishing version number. If the 150 | Library as you received it specifies that a certain numbered version 151 | of the GNU Lesser General Public License “or any later version” 152 | applies to it, you have the option of following the terms and 153 | conditions either of that published version or of any later version 154 | published by the Free Software Foundation. If the Library as you 155 | received it does not specify a version number of the GNU Lesser 156 | General Public License, you may choose any version of the GNU Lesser 157 | General Public License ever published by the Free Software Foundation. 158 | 159 | If the Library as you received it specifies that a proxy can decide 160 | whether future versions of the GNU Lesser General Public License shall 161 | apply, that proxy's public statement of acceptance of any version is 162 | permanent authorization for you to choose that version for the 163 | Library. 164 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # About 2 | 3 | This project provides examples on how to use osm4j. 4 | 5 | ## License 6 | 7 | This library is released under the terms of the GNU Lesser General Public 8 | License. 9 | 10 | See [LGPL.md](LGPL.md) and [GPL.md](GPL.md) for details. 11 | 12 | ## Using with Eclipse 13 | 14 | Create an Eclipse project like this: 15 | 16 | ./gradlew cleanEclipse eclipse 17 | 18 | After that, go to the 'Git Repositories' view, add the local repository to 19 | the list. Then right click the repository and select 'Import Projects'. 20 | 21 | ## Tutorial 22 | 23 | Check out the 24 | [Tutorial](http://www.jaryard.com/projects/osm4j/tutorial/index.html) 25 | to get an in-depth explanation of the examples in this project. 26 | -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | wrapper { 2 | gradleVersion = '7.6.1' 3 | } 4 | 5 | apply plugin: 'java' 6 | apply plugin: 'eclipse' 7 | 8 | if (project.hasProperty("topobyte")) { 9 | apply from: 'file:///' + System.getProperty("user.home") \ 10 | + '/.gradle/topobyte.gradle' 11 | } 12 | 13 | group = pGroup 14 | version = pVersion 15 | 16 | repositories { 17 | maven { 18 | url 'https://mvn.topobyte.de' 19 | } 20 | maven { 21 | url 'https://mvn.slimjars.com' 22 | } 23 | mavenCentral() 24 | } 25 | 26 | dependencies { 27 | implementation 'de.topobyte:osm4j-xml:1.2.0' 28 | implementation 'de.topobyte:osm4j-pbf:1.2.0' 29 | implementation 'de.topobyte:osm4j-tbo:1.2.0' 30 | implementation 'de.topobyte:osm4j-geometry:1.2.0' 31 | 32 | implementation 'de.topobyte:adt-geo:0.1.0' 33 | implementation 'de.topobyte:jts2awt:0.1.0' 34 | implementation 'de.topobyte:mercator-image:0.1.0' 35 | 36 | implementation 'org.wololo:jts2geojson:0.14.3' 37 | 38 | implementation 'org.apache.commons:commons-compress:1.8' 39 | implementation 'org.apache.httpcomponents.client5:httpclient5:5.2.1' 40 | implementation 'joda-time:joda-time:2.9.7' 41 | implementation 'com.google.guava:guava:19.0' 42 | 43 | implementation 'org.slf4j:slf4j-api:1.6.1' 44 | runtimeOnly 'org.slf4j:slf4j-log4j12:1.6.1' 45 | runtimeOnly 'log4j:log4j:1.2.16' 46 | } 47 | 48 | task sourcesJar(type: Jar, dependsOn: classes) { 49 | classifier = 'sources' 50 | from sourceSets.main.allSource 51 | } 52 | 53 | artifacts { 54 | archives sourcesJar 55 | } 56 | -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | pName=osm4j-examples 2 | pGroup=de.topobyte 3 | pVersion=0.0.1 4 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/topobyte/osm4j-examples/8588dbadd054cacbd5f8d3ade20cec98f1d386cc/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionBase=GRADLE_USER_HOME 2 | distributionPath=wrapper/dists 3 | distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.1-bin.zip 4 | networkTimeout=10000 5 | zipStoreBase=GRADLE_USER_HOME 6 | zipStorePath=wrapper/dists 7 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | 3 | # 4 | # Copyright © 2015-2021 the original authors. 5 | # 6 | # Licensed under the Apache License, Version 2.0 (the "License"); 7 | # you may not use this file except in compliance with the License. 8 | # You may obtain a copy of the License at 9 | # 10 | # https://www.apache.org/licenses/LICENSE-2.0 11 | # 12 | # Unless required by applicable law or agreed to in writing, software 13 | # distributed under the License is distributed on an "AS IS" BASIS, 14 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 | # See the License for the specific language governing permissions and 16 | # limitations under the License. 17 | # 18 | 19 | ############################################################################## 20 | # 21 | # Gradle start up script for POSIX generated by Gradle. 22 | # 23 | # Important for running: 24 | # 25 | # (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is 26 | # noncompliant, but you have some other compliant shell such as ksh or 27 | # bash, then to run this script, type that shell name before the whole 28 | # command line, like: 29 | # 30 | # ksh Gradle 31 | # 32 | # Busybox and similar reduced shells will NOT work, because this script 33 | # requires all of these POSIX shell features: 34 | # * functions; 35 | # * expansions «$var», «${var}», «${var:-default}», «${var+SET}», 36 | # «${var#prefix}», «${var%suffix}», and «$( cmd )»; 37 | # * compound commands having a testable exit status, especially «case»; 38 | # * various built-in commands including «command», «set», and «ulimit». 39 | # 40 | # Important for patching: 41 | # 42 | # (2) This script targets any POSIX shell, so it avoids extensions provided 43 | # by Bash, Ksh, etc; in particular arrays are avoided. 44 | # 45 | # The "traditional" practice of packing multiple parameters into a 46 | # space-separated string is a well documented source of bugs and security 47 | # problems, so this is (mostly) avoided, by progressively accumulating 48 | # options in "$@", and eventually passing that to Java. 49 | # 50 | # Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, 51 | # and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; 52 | # see the in-line comments for details. 53 | # 54 | # There are tweaks for specific operating systems such as AIX, CygWin, 55 | # Darwin, MinGW, and NonStop. 56 | # 57 | # (3) This script is generated from the Groovy template 58 | # https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt 59 | # within the Gradle project. 60 | # 61 | # You can find Gradle at https://github.com/gradle/gradle/. 62 | # 63 | ############################################################################## 64 | 65 | # Attempt to set APP_HOME 66 | 67 | # Resolve links: $0 may be a link 68 | app_path=$0 69 | 70 | # Need this for daisy-chained symlinks. 71 | while 72 | APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path 73 | [ -h "$app_path" ] 74 | do 75 | ls=$( ls -ld "$app_path" ) 76 | link=${ls#*' -> '} 77 | case $link in #( 78 | /*) app_path=$link ;; #( 79 | *) app_path=$APP_HOME$link ;; 80 | esac 81 | done 82 | 83 | # This is normally unused 84 | # shellcheck disable=SC2034 85 | APP_BASE_NAME=${0##*/} 86 | APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit 87 | 88 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 89 | DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' 90 | 91 | # Use the maximum available, or set MAX_FD != -1 to use that value. 92 | MAX_FD=maximum 93 | 94 | warn () { 95 | echo "$*" 96 | } >&2 97 | 98 | die () { 99 | echo 100 | echo "$*" 101 | echo 102 | exit 1 103 | } >&2 104 | 105 | # OS specific support (must be 'true' or 'false'). 106 | cygwin=false 107 | msys=false 108 | darwin=false 109 | nonstop=false 110 | case "$( uname )" in #( 111 | CYGWIN* ) cygwin=true ;; #( 112 | Darwin* ) darwin=true ;; #( 113 | MSYS* | MINGW* ) msys=true ;; #( 114 | NONSTOP* ) nonstop=true ;; 115 | esac 116 | 117 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 118 | 119 | 120 | # Determine the Java command to use to start the JVM. 121 | if [ -n "$JAVA_HOME" ] ; then 122 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 123 | # IBM's JDK on AIX uses strange locations for the executables 124 | JAVACMD=$JAVA_HOME/jre/sh/java 125 | else 126 | JAVACMD=$JAVA_HOME/bin/java 127 | fi 128 | if [ ! -x "$JAVACMD" ] ; then 129 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 130 | 131 | Please set the JAVA_HOME variable in your environment to match the 132 | location of your Java installation." 133 | fi 134 | else 135 | JAVACMD=java 136 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 137 | 138 | Please set the JAVA_HOME variable in your environment to match the 139 | location of your Java installation." 140 | fi 141 | 142 | # Increase the maximum file descriptors if we can. 143 | if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then 144 | case $MAX_FD in #( 145 | max*) 146 | # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. 147 | # shellcheck disable=SC3045 148 | MAX_FD=$( ulimit -H -n ) || 149 | warn "Could not query maximum file descriptor limit" 150 | esac 151 | case $MAX_FD in #( 152 | '' | soft) :;; #( 153 | *) 154 | # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. 155 | # shellcheck disable=SC3045 156 | ulimit -n "$MAX_FD" || 157 | warn "Could not set maximum file descriptor limit to $MAX_FD" 158 | esac 159 | fi 160 | 161 | # Collect all arguments for the java command, stacking in reverse order: 162 | # * args from the command line 163 | # * the main class name 164 | # * -classpath 165 | # * -D...appname settings 166 | # * --module-path (only if needed) 167 | # * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. 168 | 169 | # For Cygwin or MSYS, switch paths to Windows format before running java 170 | if "$cygwin" || "$msys" ; then 171 | APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) 172 | CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) 173 | 174 | JAVACMD=$( cygpath --unix "$JAVACMD" ) 175 | 176 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 177 | for arg do 178 | if 179 | case $arg in #( 180 | -*) false ;; # don't mess with options #( 181 | /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath 182 | [ -e "$t" ] ;; #( 183 | *) false ;; 184 | esac 185 | then 186 | arg=$( cygpath --path --ignore --mixed "$arg" ) 187 | fi 188 | # Roll the args list around exactly as many times as the number of 189 | # args, so each arg winds up back in the position where it started, but 190 | # possibly modified. 191 | # 192 | # NB: a `for` loop captures its iteration list before it begins, so 193 | # changing the positional parameters here affects neither the number of 194 | # iterations, nor the values presented in `arg`. 195 | shift # remove old arg 196 | set -- "$@" "$arg" # push replacement arg 197 | done 198 | fi 199 | 200 | # Collect all arguments for the java command; 201 | # * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of 202 | # shell script including quotes and variable substitutions, so put them in 203 | # double quotes to make sure that they get re-expanded; and 204 | # * put everything else in single quotes, so that it's not re-expanded. 205 | 206 | set -- \ 207 | "-Dorg.gradle.appname=$APP_BASE_NAME" \ 208 | -classpath "$CLASSPATH" \ 209 | org.gradle.wrapper.GradleWrapperMain \ 210 | "$@" 211 | 212 | # Stop when "xargs" is not available. 213 | if ! command -v xargs >/dev/null 2>&1 214 | then 215 | die "xargs is not available" 216 | fi 217 | 218 | # Use "xargs" to parse quoted args. 219 | # 220 | # With -n1 it outputs one arg per line, with the quotes and backslashes removed. 221 | # 222 | # In Bash we could simply go: 223 | # 224 | # readarray ARGS < <( xargs -n1 <<<"$var" ) && 225 | # set -- "${ARGS[@]}" "$@" 226 | # 227 | # but POSIX shell has neither arrays nor command substitution, so instead we 228 | # post-process each arg (as a line of input to sed) to backslash-escape any 229 | # character that might be a shell metacharacter, then use eval to reverse 230 | # that process (while maintaining the separation between arguments), and wrap 231 | # the whole thing up as a single "set" statement. 232 | # 233 | # This will of course break if any of these variables contains a newline or 234 | # an unmatched quote. 235 | # 236 | 237 | eval "set -- $( 238 | printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | 239 | xargs -n1 | 240 | sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | 241 | tr '\n' ' ' 242 | )" '"$@"' 243 | 244 | exec "$JAVACMD" "$@" 245 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @rem 2 | @rem Copyright 2015 the original author or authors. 3 | @rem 4 | @rem Licensed under the Apache License, Version 2.0 (the "License"); 5 | @rem you may not use this file except in compliance with the License. 6 | @rem You may obtain a copy of the License at 7 | @rem 8 | @rem https://www.apache.org/licenses/LICENSE-2.0 9 | @rem 10 | @rem Unless required by applicable law or agreed to in writing, software 11 | @rem distributed under the License is distributed on an "AS IS" BASIS, 12 | @rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | @rem See the License for the specific language governing permissions and 14 | @rem limitations under the License. 15 | @rem 16 | 17 | @if "%DEBUG%"=="" @echo off 18 | @rem ########################################################################## 19 | @rem 20 | @rem Gradle startup script for Windows 21 | @rem 22 | @rem ########################################################################## 23 | 24 | @rem Set local scope for the variables with windows NT shell 25 | if "%OS%"=="Windows_NT" setlocal 26 | 27 | set DIRNAME=%~dp0 28 | if "%DIRNAME%"=="" set DIRNAME=. 29 | @rem This is normally unused 30 | set APP_BASE_NAME=%~n0 31 | set APP_HOME=%DIRNAME% 32 | 33 | @rem Resolve any "." and ".." in APP_HOME to make it shorter. 34 | for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi 35 | 36 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 37 | set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" 38 | 39 | @rem Find java.exe 40 | if defined JAVA_HOME goto findJavaFromJavaHome 41 | 42 | set JAVA_EXE=java.exe 43 | %JAVA_EXE% -version >NUL 2>&1 44 | if %ERRORLEVEL% equ 0 goto execute 45 | 46 | echo. 47 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 48 | echo. 49 | echo Please set the JAVA_HOME variable in your environment to match the 50 | echo location of your Java installation. 51 | 52 | goto fail 53 | 54 | :findJavaFromJavaHome 55 | set JAVA_HOME=%JAVA_HOME:"=% 56 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 57 | 58 | if exist "%JAVA_EXE%" goto execute 59 | 60 | echo. 61 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 62 | echo. 63 | echo Please set the JAVA_HOME variable in your environment to match the 64 | echo location of your Java installation. 65 | 66 | goto fail 67 | 68 | :execute 69 | @rem Setup the command line 70 | 71 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 72 | 73 | 74 | @rem Execute Gradle 75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* 76 | 77 | :end 78 | @rem End local scope for the variables with windows NT shell 79 | if %ERRORLEVEL% equ 0 goto mainEnd 80 | 81 | :fail 82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 83 | rem the _cmd.exe /c_ return code! 84 | set EXIT_CODE=%ERRORLEVEL% 85 | if %EXIT_CODE% equ 0 set EXIT_CODE=1 86 | if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE% 87 | exit /b %EXIT_CODE% 88 | 89 | :mainEnd 90 | if "%OS%"=="Windows_NT" endlocal 91 | 92 | :omega 93 | -------------------------------------------------------------------------------- /output/relation-122895.geojson: -------------------------------------------------------------------------------- 1 | { 2 | "type" : "Feature", 3 | "properties" : { 4 | "name" : "Blaues Wunder", 5 | "type" : "multipolygon" 6 | }, 7 | "geometry" : { 8 | "type" : "MultiPolygon", 9 | "coordinates" : [ [ [ [ 13.2077736, 52.6330749 ], [ 13.2077811, 52.6330802 ], [ 13.2077758, 52.633094 ], [ 13.2077669, 52.6331071 ], [ 13.2077542, 52.633119 ], [ 13.2077381, 52.6331294 ], [ 13.2077192, 52.6331377 ], [ 13.2076981, 52.6331438 ], [ 13.2076756, 52.6331475 ], [ 13.2076525, 52.6331487 ], [ 13.2076451, 52.6331437 ], [ 13.2073873, 52.6332817 ], [ 13.2068207, 52.6328897 ], [ 13.2070788, 52.6327517 ], [ 13.2070715, 52.6327466 ], [ 13.2070779, 52.632731 ], [ 13.207089, 52.6327163 ], [ 13.2071049, 52.6327034 ], [ 13.2071248, 52.6326927 ], [ 13.2071479, 52.6326848 ], [ 13.2071732, 52.63268 ], [ 13.2071995, 52.6326783 ], [ 13.2072068, 52.6326833 ], [ 13.2074649, 52.6325452 ], [ 13.2080312, 52.6329371 ], [ 13.2077736, 52.6330749 ] ], [ [ 13.2072557, 52.6329074 ], [ 13.2074367, 52.6328099 ], [ 13.2075972, 52.6329196 ], [ 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-------------------------------------------------------------------------------- 1 | // Copyright 2015 Sebastian Kuerten 2 | // 3 | // This file is part of osm4j. 4 | // 5 | // osm4j is free software: you can redistribute it and/or modify 6 | // it under the terms of the GNU Lesser General Public License as published by 7 | // the Free Software Foundation, either version 3 of the License, or 8 | // (at your option) any later version. 9 | // 10 | // osm4j is distributed in the hope that it will be useful, 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | // GNU Lesser General Public License for more details. 14 | // 15 | // You should have received a copy of the GNU Lesser General Public License 16 | // along with osm4j. If not, see . 17 | 18 | package de.topobyte.osm4j.examples; 19 | 20 | import java.io.IOException; 21 | import java.io.InputStream; 22 | import java.net.URL; 23 | import java.util.Map; 24 | 25 | import de.topobyte.osm4j.core.access.OsmIterator; 26 | import de.topobyte.osm4j.core.model.iface.EntityContainer; 27 | import de.topobyte.osm4j.core.model.iface.EntityType; 28 | import de.topobyte.osm4j.core.model.iface.OsmNode; 29 | import de.topobyte.osm4j.core.model.util.OsmModelUtil; 30 | import de.topobyte.osm4j.xml.dynsax.OsmXmlIterator; 31 | 32 | public class ListRestaurantsFromOverpassInBoundingBox 33 | { 34 | 35 | public static void main(String[] args) throws IOException 36 | { 37 | // Define a query to retrieve some data 38 | String query = "http://www.overpass-api.de/api/xapi?*[bbox=" 39 | + "13.465661,52.504055,13.469817,52.506204]"; 40 | 41 | // Open a stream 42 | InputStream input = new URL(query).openStream(); 43 | 44 | // Create a reader for XML data 45 | OsmIterator iterator = new OsmXmlIterator(input, false); 46 | 47 | // Iterate contained entities 48 | for (EntityContainer container : iterator) { 49 | 50 | // Only use nodes 51 | if (container.getType() == EntityType.Node) { 52 | 53 | // Get the node from the container 54 | OsmNode node = (OsmNode) container.getEntity(); 55 | 56 | // Convert the node's tags to a map 57 | Map tags = OsmModelUtil.getTagsAsMap(node); 58 | 59 | // Get the value for the 'amenity' key 60 | String amenity = tags.get("amenity"); 61 | 62 | // Check if this is a restaurant 63 | boolean isRestaurant = amenity != null 64 | && amenity.equals("restaurant"); 65 | 66 | // If yes, print name and coordinate 67 | if (isRestaurant) { 68 | System.out.println(String.format("%s: %f, %f", 69 | tags.get("name"), 70 | node.getLatitude(), 71 | node.getLongitude() 72 | )); 73 | } 74 | } 75 | } 76 | } 77 | 78 | } -------------------------------------------------------------------------------- /src/main/java/de/topobyte/osm4j/examples/history/GeofabrikUtils.java: -------------------------------------------------------------------------------- 1 | // Copyright 2023 Sebastian Kuerten 2 | // 3 | // This file is part of osm4j. 4 | // 5 | // osm4j is free software: you can redistribute it and/or modify 6 | // it under the terms of the GNU Lesser General Public License as published by 7 | // the Free Software Foundation, either version 3 of the License, or 8 | // (at your option) any later version. 9 | // 10 | // osm4j is distributed in the hope that it will be useful, 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | // GNU Lesser General Public License for more details. 14 | // 15 | // You should have received a copy of the GNU Lesser General Public License 16 | // along with osm4j. If not, see . 17 | 18 | package de.topobyte.osm4j.examples.history; 19 | 20 | import java.io.IOException; 21 | import java.io.InputStream; 22 | import java.util.Properties; 23 | 24 | import org.apache.hc.client5.http.cookie.BasicCookieStore; 25 | import org.apache.hc.client5.http.cookie.CookieStore; 26 | import org.apache.hc.client5.http.impl.classic.CloseableHttpClient; 27 | import org.apache.hc.client5.http.impl.classic.HttpClientBuilder; 28 | import org.apache.hc.client5.http.impl.cookie.BasicClientCookie; 29 | 30 | public class GeofabrikUtils 31 | { 32 | 33 | public static CloseableHttpClient createClientWithCookie() 34 | throws IOException 35 | { 36 | String cookieData = null; 37 | 38 | try (InputStream input = Thread.currentThread().getContextClassLoader() 39 | .getResourceAsStream("secure.properties")) { 40 | Properties properties = new Properties(); 41 | properties.load(input); 42 | cookieData = properties.getProperty("geofabrik.cookie"); 43 | } 44 | 45 | if (cookieData == null) { 46 | System.out.println( 47 | "To access internal OSM files from Geofabrik, you need to add a cookie definition"); 48 | System.out.println("to `src/main/resources/secure.properties`:"); 49 | System.out.println(); 50 | System.out 51 | .println("geofabrik.cookie=login|2018-06-15|ABC...0123=="); 52 | System.out.println(); 53 | System.out.println( 54 | "To determine what to add to that file, navigate to"); 55 | System.out.println("https://osm-internal.download.geofabrik.de/"); 56 | System.out.println( 57 | "then login to that page. Then when loading that page, inspect"); 58 | System.out.println( 59 | "the headers the browser sends to the website in the developer"); 60 | System.out.println( 61 | "tools by inspecting the request headers in the network tab."); 62 | System.out.println(); 63 | } 64 | 65 | CookieStore cookieStore = new BasicCookieStore(); 66 | BasicClientCookie cookie = new BasicClientCookie("gf_download_oauth", 67 | cookieData); 68 | cookie.setDomain("osm-internal.download.geofabrik.de"); 69 | cookieStore.addCookie(cookie); 70 | 71 | CloseableHttpClient client = HttpClientBuilder.create() 72 | .setDefaultCookieStore(cookieStore).build(); 73 | return client; 74 | } 75 | 76 | } 77 | -------------------------------------------------------------------------------- /src/main/java/de/topobyte/osm4j/examples/history/HistoryBasics.java: -------------------------------------------------------------------------------- 1 | // Copyright 2017 Sebastian Kuerten 2 | // 3 | // This file is part of osm4j. 4 | // 5 | // osm4j is free software: you can redistribute it and/or modify 6 | // it under the terms of the GNU Lesser General Public License as published by 7 | // the Free Software Foundation, either version 3 of the License, or 8 | // (at your option) any later version. 9 | // 10 | // osm4j is distributed in the hope that it will be useful, 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | // GNU Lesser General Public License for more details. 14 | // 15 | // You should have received a copy of the GNU Lesser General Public License 16 | // along with osm4j. If not, see . 17 | 18 | package de.topobyte.osm4j.examples.history; 19 | 20 | import java.io.IOException; 21 | import java.io.InputStream; 22 | import java.util.List; 23 | 24 | import org.apache.hc.client5.http.classic.methods.HttpGet; 25 | import org.apache.hc.client5.http.impl.classic.CloseableHttpClient; 26 | import org.apache.hc.client5.http.protocol.HttpClientContext; 27 | import org.apache.hc.core5.http.HttpStatus; 28 | import org.joda.time.format.DateTimeFormat; 29 | import org.joda.time.format.DateTimeFormatter; 30 | 31 | import de.topobyte.osm4j.core.access.OsmIterator; 32 | import de.topobyte.osm4j.core.model.iface.EntityContainer; 33 | import de.topobyte.osm4j.core.model.iface.EntityType; 34 | import de.topobyte.osm4j.core.model.iface.OsmMetadata; 35 | import de.topobyte.osm4j.core.model.iface.OsmNode; 36 | import de.topobyte.osm4j.core.model.iface.OsmTag; 37 | import de.topobyte.osm4j.core.model.util.OsmModelUtil; 38 | import de.topobyte.osm4j.pbf.seq.PbfIterator; 39 | 40 | public class HistoryBasics 41 | { 42 | 43 | public static void main(String[] args) throws IOException 44 | { 45 | // Define a URL to retrieve some data 46 | String url = "https://osm-internal.download.geofabrik.de/europe/germany/bremen-internal.osh.pbf"; 47 | 48 | CloseableHttpClient client = GeofabrikUtils.createClientWithCookie(); 49 | 50 | HttpClientContext context = HttpClientContext.create(); 51 | HttpGet request = new HttpGet(url); 52 | 53 | client.execute(request, context, response -> { 54 | if (response.getCode() == HttpStatus.SC_OK) { 55 | InputStream input = response.getEntity().getContent(); 56 | process(input); 57 | } else { 58 | System.out.println( 59 | "Accessing the history file was not successful"); 60 | } 61 | return null; 62 | }); 63 | } 64 | 65 | private static void process(InputStream input) 66 | { 67 | // Create an iterator for PBF data 68 | OsmIterator iterator = new PbfIterator(input, true); 69 | 70 | // We will use this formatter to print timestamps 71 | DateTimeFormatter formatter = DateTimeFormat 72 | .forPattern("YYYY-MM-dd HH:mm"); 73 | 74 | // Iterate all elements 75 | for (EntityContainer container : iterator) { 76 | 77 | // Check if the element is a node 78 | if (container.getType() == EntityType.Node) { 79 | 80 | // Cast the entity to OsmNode 81 | OsmNode node = (OsmNode) container.getEntity(); 82 | OsmMetadata metadata = node.getMetadata(); 83 | 84 | // Get some metadata info 85 | boolean visible = metadata.isVisible(); 86 | long timestamp = metadata.getTimestamp(); 87 | 88 | // Also get the tags as a list 89 | List tags = OsmModelUtil.getTagsAsList(node); 90 | 91 | // Print information 92 | System.out.println(String.format( 93 | "id: %d, lat: %.6f, lon: %.6f, visible: %b, timestamp: %s, tags: %s", 94 | node.getId(), node.getLatitude(), node.getLongitude(), 95 | visible, formatter.print(timestamp), tags)); 96 | } 97 | } 98 | } 99 | 100 | } 101 | -------------------------------------------------------------------------------- /src/main/java/de/topobyte/osm4j/examples/history/HistoryOfRestaurants.java: -------------------------------------------------------------------------------- 1 | // Copyright 2017 Sebastian Kuerten 2 | // 3 | // This file is part of osm4j. 4 | // 5 | // osm4j is free software: you can redistribute it and/or modify 6 | // it under the terms of the GNU Lesser General Public License as published by 7 | // the Free Software Foundation, either version 3 of the License, or 8 | // (at your option) any later version. 9 | // 10 | // osm4j is distributed in the hope that it will be useful, 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | // GNU Lesser General Public License for more details. 14 | // 15 | // You should have received a copy of the GNU Lesser General Public License 16 | // along with osm4j. If not, see . 17 | 18 | package de.topobyte.osm4j.examples.history; 19 | 20 | import java.io.IOException; 21 | import java.io.InputStream; 22 | import java.util.Map; 23 | 24 | import org.apache.hc.client5.http.classic.methods.HttpGet; 25 | import org.apache.hc.client5.http.impl.classic.CloseableHttpClient; 26 | import org.apache.hc.client5.http.protocol.HttpClientContext; 27 | import org.apache.hc.core5.http.HttpStatus; 28 | import org.joda.time.format.DateTimeFormat; 29 | import org.joda.time.format.DateTimeFormatter; 30 | 31 | import com.google.common.collect.Sets; 32 | import com.google.common.collect.Sets.SetView; 33 | 34 | import de.topobyte.osm4j.core.access.OsmIterator; 35 | import de.topobyte.osm4j.core.model.iface.EntityContainer; 36 | import de.topobyte.osm4j.core.model.iface.EntityType; 37 | import de.topobyte.osm4j.core.model.iface.OsmNode; 38 | import de.topobyte.osm4j.core.model.util.OsmModelUtil; 39 | import de.topobyte.osm4j.pbf.seq.PbfIterator; 40 | 41 | public class HistoryOfRestaurants 42 | { 43 | 44 | public static void main(String[] args) throws IOException 45 | { 46 | // Define a URL to retrieve some data 47 | String url = "https://osm-internal.download.geofabrik.de/europe/germany/bremen-internal.osh.pbf"; 48 | 49 | CloseableHttpClient client = GeofabrikUtils.createClientWithCookie(); 50 | 51 | HttpClientContext context = HttpClientContext.create(); 52 | HttpGet request = new HttpGet(url); 53 | 54 | client.execute(request, context, response -> { 55 | if (response.getCode() == HttpStatus.SC_OK) { 56 | InputStream input = response.getEntity().getContent(); 57 | process(input); 58 | } else { 59 | System.out.println( 60 | "Accessing the history file was not successful"); 61 | } 62 | return null; 63 | }); 64 | } 65 | 66 | private static void process(InputStream input) 67 | { 68 | // Create an iterator for PBF data 69 | OsmIterator iterator = new PbfIterator(input, true); 70 | 71 | // We will use this formatter to print timestamps 72 | DateTimeFormatter pattern = DateTimeFormat 73 | .forPattern("YYYY-MM-dd HH:mm"); 74 | 75 | // Here we store information about the previous node so that we can 76 | // compute the difference between the current node and the previous one 77 | long previousId = 0; 78 | OsmNode previousNode = null; 79 | Map previousTags = null; 80 | boolean wasRestaurantBefore = false; 81 | 82 | // Iterate all elements 83 | for (EntityContainer container : iterator) { 84 | 85 | // Check if the element is a node 86 | if (container.getType() == EntityType.Node) { 87 | 88 | // Cast the entity to OsmNode 89 | OsmNode node = (OsmNode) container.getEntity(); 90 | long timestamp = node.getMetadata().getTimestamp(); 91 | 92 | // This is an update, i.e. a later instance of the same node, if 93 | // the previous node's id and the current node's id are the same 94 | boolean isUpdate = previousId == node.getId(); 95 | previousId = node.getId(); 96 | 97 | // Here we store the values from variables named previous* to 98 | // last* so that we can overwrite the previous* variables and 99 | // still access their values using their last* counterparts. 100 | OsmNode lastNode = previousNode; 101 | previousNode = node; 102 | 103 | Map currentTags = OsmModelUtil 104 | .getTagsAsMap(node); 105 | Map lastTags = previousTags; 106 | previousTags = currentTags; 107 | 108 | // Determine if the current node is a restaurant, i.e. has tag 109 | // 'amenity=restaurant' 110 | boolean isRestaurant = isRestaurant(currentTags); 111 | 112 | // If this is not an update, we reset the wasRestaurant flag 113 | // which might still be true from a different restaurant 114 | // encountered before. 115 | if (!isUpdate) { 116 | wasRestaurantBefore = false; 117 | } 118 | 119 | // If the current node is a restaurant, we set the flag so that 120 | // in the next round we will now that an update to this node is 121 | // on a restaurant node. 122 | if (isRestaurant) { 123 | wasRestaurantBefore = true; 124 | } 125 | 126 | // If this is not a restaurant and also has not been one in the 127 | // past, skip 128 | if (!isRestaurant && !wasRestaurantBefore) { 129 | continue; 130 | } 131 | 132 | // Print an empty line between different nodes 133 | if (lastNode != null && !isUpdate) { 134 | System.out.println(); 135 | } 136 | 137 | // Print node info if the restaurant in encountered the first 138 | // time, print changes on updates 139 | if (!isUpdate) { 140 | System.out.println(String.format( 141 | "id: %d, lat: %.6f, lon: %.6f, timestamp: %s", 142 | node.getId(), node.getLatitude(), 143 | node.getLongitude(), pattern.print(timestamp))); 144 | System.out.println(String.format("tags: %s", 145 | OsmModelUtil.getTagsAsList(node))); 146 | } else { 147 | System.out.println(String.format("upate on: %s", 148 | pattern.print(timestamp))); 149 | printChangesInPosition(node, lastNode); 150 | printChangesInTags(currentTags, lastTags); 151 | } 152 | } 153 | } 154 | } 155 | 156 | private static boolean isRestaurant(Map currentTags) 157 | { 158 | String amenity = currentTags.get("amenity"); 159 | if (amenity == null) { 160 | return false; 161 | } 162 | return amenity.equals("restaurant"); 163 | } 164 | 165 | private static void printChangesInPosition(OsmNode node, OsmNode lastNode) 166 | { 167 | if (node.getLatitude() != lastNode.getLatitude() 168 | || node.getLongitude() != lastNode.getLongitude()) { 169 | System.out.println(String.format(" position: lat: %.6f, lon: %.6f", 170 | node.getLatitude(), node.getLongitude())); 171 | } 172 | } 173 | 174 | private static void printChangesInTags(Map current, 175 | Map old) 176 | { 177 | SetView onlyCurrent = Sets.difference(current.keySet(), 178 | old.keySet()); 179 | SetView onlyOld = Sets.difference(old.keySet(), 180 | current.keySet()); 181 | SetView both = Sets.intersection(current.keySet(), 182 | old.keySet()); 183 | 184 | for (String key : onlyOld) { 185 | System.out.println( 186 | String.format(" rem tag '%s:%s'", key, old.get(key))); 187 | } 188 | 189 | for (String key : onlyCurrent) { 190 | System.out.println( 191 | String.format(" add tag '%s:%s'", key, current.get(key))); 192 | } 193 | 194 | for (String key : both) { 195 | if (!current.get(key).equals(old.get(key))) { 196 | System.out.println( 197 | String.format(" update tag '%s': '%s' -> '%s'", key, 198 | old.get(key), current.get(key))); 199 | } 200 | } 201 | } 202 | 203 | } 204 | -------------------------------------------------------------------------------- /src/main/java/de/topobyte/osm4j/examples/history/HistoryVisibilityStats.java: -------------------------------------------------------------------------------- 1 | // Copyright 2017 Sebastian Kuerten 2 | // 3 | // This file is part of osm4j. 4 | // 5 | // osm4j is free software: you can redistribute it and/or modify 6 | // it under the terms of the GNU Lesser General Public License as published by 7 | // the Free Software Foundation, either version 3 of the License, or 8 | // (at your option) any later version. 9 | // 10 | // osm4j is distributed in the hope that it will be useful, 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | // GNU Lesser General Public License for more details. 14 | // 15 | // You should have received a copy of the GNU Lesser General Public License 16 | // along with osm4j. If not, see . 17 | 18 | package de.topobyte.osm4j.examples.history; 19 | 20 | import java.io.IOException; 21 | import java.io.InputStream; 22 | 23 | import org.apache.hc.client5.http.classic.methods.HttpGet; 24 | import org.apache.hc.client5.http.impl.classic.CloseableHttpClient; 25 | import org.apache.hc.client5.http.protocol.HttpClientContext; 26 | import org.apache.hc.core5.http.HttpStatus; 27 | 28 | import com.google.common.collect.HashMultiset; 29 | import com.google.common.collect.Multiset; 30 | 31 | import de.topobyte.osm4j.core.access.OsmIterator; 32 | import de.topobyte.osm4j.core.model.iface.EntityContainer; 33 | import de.topobyte.osm4j.core.model.iface.EntityType; 34 | import de.topobyte.osm4j.core.model.iface.OsmMetadata; 35 | import de.topobyte.osm4j.pbf.seq.PbfIterator; 36 | 37 | public class HistoryVisibilityStats 38 | { 39 | 40 | public static void main(String[] args) throws IOException 41 | { 42 | // Define a URL to retrieve some data 43 | String url = "https://osm-internal.download.geofabrik.de/europe/germany/bremen-internal.osh.pbf"; 44 | 45 | CloseableHttpClient client = GeofabrikUtils.createClientWithCookie(); 46 | 47 | HttpClientContext context = HttpClientContext.create(); 48 | HttpGet request = new HttpGet(url); 49 | 50 | client.execute(request, context, response -> { 51 | if (response.getCode() == HttpStatus.SC_OK) { 52 | InputStream input = response.getEntity().getContent(); 53 | process(input); 54 | } else { 55 | System.out.println( 56 | "Accessing the history file was not successful"); 57 | } 58 | return null; 59 | }); 60 | } 61 | 62 | private static void process(InputStream input) 63 | { 64 | // Create an iterator for PBF data 65 | OsmIterator iterator = new PbfIterator(input, true); 66 | 67 | Multiset countVisible = HashMultiset.create(); 68 | Multiset countInvisible = HashMultiset.create(); 69 | 70 | // Iterate all elements 71 | for (EntityContainer container : iterator) { 72 | 73 | OsmMetadata metadata = container.getEntity().getMetadata(); 74 | 75 | if (metadata.isVisible()) { 76 | countVisible.add(container.getType()); 77 | } else { 78 | countInvisible.add(container.getType()); 79 | } 80 | } 81 | 82 | // Print info about visibility statistics 83 | System.out.println(String.format("nodes: %d visible, %d invisible", 84 | countVisible.count(EntityType.Node), 85 | countInvisible.count(EntityType.Node))); 86 | System.out.println(String.format("ways: %d visible, %d invisible", 87 | countVisible.count(EntityType.Way), 88 | countInvisible.count(EntityType.Way))); 89 | System.out.println(String.format("relations: %d visible, %d invisible", 90 | countVisible.count(EntityType.Relation), 91 | countInvisible.count(EntityType.Relation))); 92 | } 93 | 94 | } 95 | -------------------------------------------------------------------------------- /src/main/java/de/topobyte/osm4j/examples/misc/ListRestaurantsInHavana.java: -------------------------------------------------------------------------------- 1 | // Copyright 2019 Sebastian Kuerten 2 | // 3 | // This file is part of osm4j. 4 | // 5 | // osm4j is free software: you can redistribute it and/or modify 6 | // it under the terms of the GNU Lesser General Public License as published by 7 | // the Free Software Foundation, either version 3 of the License, or 8 | // (at your option) any later version. 9 | // 10 | // osm4j is distributed in the hope that it will be useful, 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | // GNU Lesser General Public License for more details. 14 | // 15 | // You should have received a copy of the GNU Lesser General Public License 16 | // along with osm4j. If not, see . 17 | 18 | package de.topobyte.osm4j.examples.misc; 19 | 20 | import java.io.IOException; 21 | import java.io.InputStream; 22 | import java.nio.file.Files; 23 | import java.nio.file.Path; 24 | import java.nio.file.Paths; 25 | import java.util.Map; 26 | 27 | import de.topobyte.osm4j.core.model.iface.EntityContainer; 28 | import de.topobyte.osm4j.core.model.iface.EntityType; 29 | import de.topobyte.osm4j.core.model.iface.OsmEntity; 30 | import de.topobyte.osm4j.core.model.util.OsmModelUtil; 31 | import de.topobyte.osm4j.pbf.seq.PbfIterator; 32 | 33 | public class ListRestaurantsInHavana 34 | { 35 | 36 | public static void main(String[] args) throws IOException 37 | { 38 | Path path = Paths.get("/tmp/havana-latest.pbf"); 39 | InputStream input = Files.newInputStream(path); 40 | PbfIterator iterator = new PbfIterator(input, false); 41 | 42 | int n = 0; 43 | int w = 0; 44 | int r = 0; 45 | int noName = 0; 46 | 47 | for (EntityContainer object : iterator) { 48 | OsmEntity entity = object.getEntity(); 49 | Map tags = OsmModelUtil.getTagsAsMap(entity); 50 | String amenity = tags.get("amenity"); 51 | if ("restaurant".equals(amenity)) { 52 | String name = tags.get("name"); 53 | if (name == null) { 54 | noName++; 55 | } else { 56 | System.out.println(name); 57 | } 58 | if (object.getType() == EntityType.Node) { 59 | n++; 60 | } else if (object.getType() == EntityType.Way) { 61 | w++; 62 | } else if (object.getType() == EntityType.Relation) { 63 | r++; 64 | } 65 | } 66 | } 67 | 68 | System.out.println("-Summary-"); 69 | System.out.println( 70 | String.format("nodes: %d, ways: %d, relations: %d", n, w, r)); 71 | System.out.println(String.format("no name: %d", noName)); 72 | } 73 | 74 | } 75 | -------------------------------------------------------------------------------- /src/main/java/de/topobyte/osm4j/examples/tutorial/CountingBusinesses.java: -------------------------------------------------------------------------------- 1 | // Copyright 2015 Sebastian Kuerten 2 | // 3 | // This file is part of osm4j. 4 | // 5 | // osm4j is free software: you can redistribute it and/or modify 6 | // it under the terms of the GNU Lesser General Public License as published by 7 | // the Free Software Foundation, either version 3 of the License, or 8 | // (at your option) any later version. 9 | // 10 | // osm4j is distributed in the hope that it will be useful, 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | // GNU Lesser General Public License for more details. 14 | // 15 | // You should have received a copy of the GNU Lesser General Public License 16 | // along with osm4j. If not, see . 17 | 18 | package de.topobyte.osm4j.examples.tutorial; 19 | 20 | import java.io.IOException; 21 | import java.io.InputStream; 22 | import java.net.URL; 23 | import java.util.Map; 24 | 25 | import de.topobyte.osm4j.core.access.OsmIterator; 26 | import de.topobyte.osm4j.core.model.iface.EntityContainer; 27 | import de.topobyte.osm4j.core.model.iface.EntityType; 28 | import de.topobyte.osm4j.core.model.iface.OsmNode; 29 | import de.topobyte.osm4j.core.model.util.OsmModelUtil; 30 | import de.topobyte.osm4j.xml.dynsax.OsmXmlIterator; 31 | 32 | public class CountingBusinesses 33 | { 34 | 35 | public static void main(String[] args) throws IOException 36 | { 37 | // Define a query to retrieve some data 38 | String query = "http://www.overpass-api.de/api/xapi?*[bbox=" 39 | + "13.465661,52.504055,13.469817,52.506204]"; 40 | 41 | // Open a stream 42 | InputStream input = new URL(query).openStream(); 43 | 44 | // Create an iterator for XML data 45 | OsmIterator iterator = new OsmXmlIterator(input, false); 46 | 47 | // Initialize the counters 48 | int numRestaurants = 0; 49 | int numCafes = 0; 50 | int numPubs = 0; 51 | 52 | // Iterate objects, ignore non-node objects 53 | for (EntityContainer container : iterator) { 54 | if (container.getType() == EntityType.Node) { 55 | OsmNode node = (OsmNode) container.getEntity(); 56 | 57 | // Get the node's tags as a map 58 | Map tags = OsmModelUtil.getTagsAsMap(node); 59 | 60 | // Get the value for the 'amenity' key 61 | String amenity = tags.get("amenity"); 62 | 63 | // Ignore nodes without such a tag 64 | if (amenity == null) { 65 | continue; 66 | } 67 | 68 | // Increment counters depending on the type 69 | if (amenity.equals("restaurant")) { 70 | numRestaurants++; 71 | } else if (amenity.equals("cafe")) { 72 | numCafes++; 73 | } else if (amenity.equals("pub")) { 74 | numPubs++; 75 | } 76 | } 77 | } 78 | 79 | // Print the results 80 | System.out.println("restaurants: " + numRestaurants); 81 | System.out.println("cafes: " + numCafes); 82 | System.out.println("pubs: " + numPubs); 83 | } 84 | 85 | } 86 | -------------------------------------------------------------------------------- /src/main/java/de/topobyte/osm4j/examples/tutorial/CountingElements.java: -------------------------------------------------------------------------------- 1 | // Copyright 2015 Sebastian Kuerten 2 | // 3 | // This file is part of osm4j. 4 | // 5 | // osm4j is free software: you can redistribute it and/or modify 6 | // it under the terms of the GNU Lesser General Public License as published by 7 | // the Free Software Foundation, either version 3 of the License, or 8 | // (at your option) any later version. 9 | // 10 | // osm4j is distributed in the hope that it will be useful, 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | // GNU Lesser General Public License for more details. 14 | // 15 | // You should have received a copy of the GNU Lesser General Public License 16 | // along with osm4j. If not, see . 17 | 18 | package de.topobyte.osm4j.examples.tutorial; 19 | 20 | import java.io.IOException; 21 | import java.io.InputStream; 22 | import java.net.URL; 23 | 24 | import de.topobyte.osm4j.core.access.OsmIterator; 25 | import de.topobyte.osm4j.core.model.iface.EntityContainer; 26 | import de.topobyte.osm4j.core.model.iface.EntityType; 27 | import de.topobyte.osm4j.xml.dynsax.OsmXmlIterator; 28 | 29 | public class CountingElements 30 | { 31 | 32 | public static void main(String[] args) throws IOException 33 | { 34 | // Define a query to retrieve some data 35 | String query = "http://www.overpass-api.de/api/xapi?*[bbox=" 36 | + "13.465661,52.504055,13.469817,52.506204]"; 37 | 38 | // Open a stream 39 | InputStream input = new URL(query).openStream(); 40 | 41 | // Create an iterator for XML data 42 | OsmIterator iterator = new OsmXmlIterator(input, false); 43 | 44 | // Initialize some counters 45 | int numNodes = 0; 46 | int numWays = 0; 47 | int numRelations = 0; 48 | 49 | // Iterate elements and increment our counters 50 | // depending on the type of element 51 | for (EntityContainer container : iterator) { 52 | if (container.getType() == EntityType.Node) { 53 | numNodes++; 54 | } else if (container.getType() == EntityType.Way) { 55 | numWays++; 56 | } else if (container.getType() == EntityType.Relation) { 57 | numRelations++; 58 | } 59 | } 60 | 61 | // Print the results 62 | System.out.println("nodes: " + numNodes); 63 | System.out.println("ways: " + numWays); 64 | System.out.println("relations: " + numRelations); 65 | } 66 | 67 | } 68 | -------------------------------------------------------------------------------- /src/main/java/de/topobyte/osm4j/examples/tutorial/CountingElements2.java: -------------------------------------------------------------------------------- 1 | // Copyright 2015 Sebastian Kuerten 2 | // 3 | // This file is part of osm4j. 4 | // 5 | // osm4j is free software: you can redistribute it and/or modify 6 | // it under the terms of the GNU Lesser General Public License as published by 7 | // the Free Software Foundation, either version 3 of the License, or 8 | // (at your option) any later version. 9 | // 10 | // osm4j is distributed in the hope that it will be useful, 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | // GNU Lesser General Public License for more details. 14 | // 15 | // You should have received a copy of the GNU Lesser General Public License 16 | // along with osm4j. If not, see . 17 | 18 | package de.topobyte.osm4j.examples.tutorial; 19 | 20 | import java.io.IOException; 21 | import java.io.InputStream; 22 | import java.net.URL; 23 | 24 | import de.topobyte.osm4j.core.access.OsmIterator; 25 | import de.topobyte.osm4j.core.model.iface.EntityContainer; 26 | import de.topobyte.osm4j.core.model.iface.EntityType; 27 | import de.topobyte.osm4j.xml.dynsax.OsmXmlIterator; 28 | 29 | public class CountingElements2 30 | { 31 | 32 | public static void main(String[] args) throws IOException 33 | { 34 | // Define a query to retrieve some data 35 | String query = "http://www.overpass-api.de/api/xapi?*[bbox=" 36 | + "13.465661,52.504055,13.469817,52.506204]"; 37 | 38 | // Open a stream 39 | InputStream input = new URL(query).openStream(); 40 | 41 | // Create an iterator for XML data 42 | OsmIterator iterator = new OsmXmlIterator(input, false); 43 | 44 | // Initialize some counters 45 | int numNodes = 0; 46 | int numWays = 0; 47 | int numRelations = 0; 48 | 49 | // Iterate elements and increment our counters 50 | // depending on the type of element 51 | while (iterator.hasNext()) { 52 | EntityContainer container = iterator.next(); 53 | if (container.getType() == EntityType.Node) { 54 | numNodes++; 55 | } else if (container.getType() == EntityType.Way) { 56 | numWays++; 57 | } else if (container.getType() == EntityType.Relation) { 58 | numRelations++; 59 | } 60 | } 61 | 62 | // Print the results 63 | System.out.println("nodes: " + numNodes); 64 | System.out.println("ways: " + numWays); 65 | System.out.println("relations: " + numRelations); 66 | } 67 | 68 | } 69 | -------------------------------------------------------------------------------- /src/main/java/de/topobyte/osm4j/examples/tutorial/CountingElements3.java: -------------------------------------------------------------------------------- 1 | // Copyright 2015 Sebastian Kuerten 2 | // 3 | // This file is part of osm4j. 4 | // 5 | // osm4j is free software: you can redistribute it and/or modify 6 | // it under the terms of the GNU Lesser General Public License as published by 7 | // the Free Software Foundation, either version 3 of the License, or 8 | // (at your option) any later version. 9 | // 10 | // osm4j is distributed in the hope that it will be useful, 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | // GNU Lesser General Public License for more details. 14 | // 15 | // You should have received a copy of the GNU Lesser General Public License 16 | // along with osm4j. If not, see . 17 | 18 | package de.topobyte.osm4j.examples.tutorial; 19 | 20 | import java.io.IOException; 21 | import java.io.InputStream; 22 | import java.net.URL; 23 | 24 | import de.topobyte.osm4j.core.access.DefaultOsmHandler; 25 | import de.topobyte.osm4j.core.access.OsmInputException; 26 | import de.topobyte.osm4j.core.access.OsmReader; 27 | import de.topobyte.osm4j.core.model.iface.OsmNode; 28 | import de.topobyte.osm4j.core.model.iface.OsmRelation; 29 | import de.topobyte.osm4j.core.model.iface.OsmWay; 30 | import de.topobyte.osm4j.xml.dynsax.OsmXmlReader; 31 | 32 | public class CountingElements3 33 | { 34 | 35 | public static void main(String[] args) throws IOException, OsmInputException 36 | { 37 | // Define a query to retrieve some data 38 | String query = "http://www.overpass-api.de/api/xapi?*[bbox=" 39 | + "13.465661,52.504055,13.469817,52.506204]"; 40 | 41 | // Open a stream 42 | InputStream input = new URL(query).openStream(); 43 | 44 | // Create a reader for XML data 45 | OsmReader reader = new OsmXmlReader(input, false); 46 | 47 | // Create our counter and set it as a handler for the reader 48 | Counter counter = new Counter(); 49 | reader.setHandler(counter); 50 | 51 | // Let the reader parse the data 52 | reader.read(); 53 | 54 | // Print the results 55 | System.out.println("nodes: " + counter.numNodes); 56 | System.out.println("ways: " + counter.numWays); 57 | System.out.println("relations: " + counter.numRelations); 58 | } 59 | 60 | private static class Counter extends DefaultOsmHandler 61 | { 62 | 63 | int numNodes = 0; 64 | int numWays = 0; 65 | int numRelations = 0; 66 | 67 | @Override 68 | public void handle(OsmNode node) 69 | { 70 | numNodes++; 71 | } 72 | 73 | @Override 74 | public void handle(OsmWay way) 75 | { 76 | numWays++; 77 | } 78 | 79 | @Override 80 | public void handle(OsmRelation relation) 81 | { 82 | numRelations++; 83 | } 84 | 85 | } 86 | 87 | } 88 | -------------------------------------------------------------------------------- /src/main/java/de/topobyte/osm4j/examples/tutorial/HelloWorld.java: -------------------------------------------------------------------------------- 1 | // Copyright 2015 Sebastian Kuerten 2 | // 3 | // This file is part of osm4j. 4 | // 5 | // osm4j is free software: you can redistribute it and/or modify 6 | // it under the terms of the GNU Lesser General Public License as published by 7 | // the Free Software Foundation, either version 3 of the License, or 8 | // (at your option) any later version. 9 | // 10 | // osm4j is distributed in the hope that it will be useful, 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | // GNU Lesser General Public License for more details. 14 | // 15 | // You should have received a copy of the GNU Lesser General Public License 16 | // along with osm4j. If not, see . 17 | 18 | package de.topobyte.osm4j.examples.tutorial; 19 | 20 | import java.io.IOException; 21 | import java.io.InputStream; 22 | import java.net.URL; 23 | 24 | import de.topobyte.osm4j.core.access.OsmIterator; 25 | import de.topobyte.osm4j.core.model.iface.EntityContainer; 26 | import de.topobyte.osm4j.core.model.iface.EntityType; 27 | import de.topobyte.osm4j.core.model.iface.OsmNode; 28 | import de.topobyte.osm4j.core.model.iface.OsmTag; 29 | import de.topobyte.osm4j.xml.dynsax.OsmXmlIterator; 30 | 31 | public class HelloWorld 32 | { 33 | 34 | public static void main(String[] args) throws IOException 35 | { 36 | // Define a query to retrieve some data 37 | String query = "http://osmtestdata.topobyte.de/big-ben.osm"; 38 | 39 | // Open a stream 40 | InputStream input = new URL(query).openStream(); 41 | 42 | // Create an iterator for XML data 43 | OsmIterator iterator = new OsmXmlIterator(input, false); 44 | 45 | // Iterate all elements 46 | for (EntityContainer container : iterator) { 47 | 48 | // Check if the element is a node 49 | if (container.getType() == EntityType.Node) { 50 | 51 | // Cast the entity to OsmNode 52 | OsmNode node = (OsmNode) container.getEntity(); 53 | 54 | // Print basic information 55 | System.out.println("id: " + node.getId()); 56 | System.out.println("latitude: " + node.getLatitude()); 57 | System.out.println("longitude: " + node.getLongitude()); 58 | 59 | // Also print all tags 60 | System.out.println("tags:"); 61 | for (int i = 0; i < node.getNumberOfTags(); i++) { 62 | OsmTag tag = node.getTag(i); 63 | System.out.println(tag.getKey() + " = " + tag.getValue()); 64 | } 65 | } 66 | } 67 | } 68 | 69 | } 70 | -------------------------------------------------------------------------------- /src/main/java/de/topobyte/osm4j/examples/tutorial/MapRendering.java: -------------------------------------------------------------------------------- 1 | // Copyright 2015 Sebastian Kuerten 2 | // 3 | // This file is part of osm4j. 4 | // 5 | // osm4j is free software: you can redistribute it and/or modify 6 | // it under the terms of the GNU Lesser General Public License as published by 7 | // the Free Software Foundation, either version 3 of the License, or 8 | // (at your option) any later version. 9 | // 10 | // osm4j is distributed in the hope that it will be useful, 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | // GNU Lesser General Public License for more details. 14 | // 15 | // You should have received a copy of the GNU Lesser General Public License 16 | // along with osm4j. If not, see . 17 | 18 | package de.topobyte.osm4j.examples.tutorial; 19 | 20 | import java.awt.BasicStroke; 21 | import java.awt.Color; 22 | import java.awt.Dimension; 23 | import java.awt.FontMetrics; 24 | import java.awt.Graphics; 25 | import java.awt.Graphics2D; 26 | import java.awt.RenderingHints; 27 | import java.awt.Shape; 28 | import java.awt.event.ComponentAdapter; 29 | import java.awt.event.ComponentEvent; 30 | import java.awt.geom.AffineTransform; 31 | import java.awt.geom.Path2D; 32 | import java.io.IOException; 33 | import java.io.InputStream; 34 | import java.net.URL; 35 | import java.util.ArrayList; 36 | import java.util.Arrays; 37 | import java.util.Collection; 38 | import java.util.HashMap; 39 | import java.util.HashSet; 40 | import java.util.List; 41 | import java.util.Map; 42 | import java.util.Set; 43 | 44 | import javax.swing.JFrame; 45 | import javax.swing.JPanel; 46 | 47 | import org.locationtech.jts.geom.Coordinate; 48 | import org.locationtech.jts.geom.Geometry; 49 | import org.locationtech.jts.geom.GeometryFactory; 50 | import org.locationtech.jts.geom.LineString; 51 | import org.locationtech.jts.geom.MultiPolygon; 52 | 53 | import de.topobyte.adt.geo.BBox; 54 | import de.topobyte.jgs.transform.CoordinateTransformer; 55 | import de.topobyte.jts2awt.Jts2Awt; 56 | import de.topobyte.mercator.image.MercatorImage; 57 | import de.topobyte.osm4j.core.access.OsmInputException; 58 | import de.topobyte.osm4j.core.access.OsmReader; 59 | import de.topobyte.osm4j.core.dataset.InMemoryMapDataSet; 60 | import de.topobyte.osm4j.core.dataset.MapDataSetLoader; 61 | import de.topobyte.osm4j.core.model.iface.OsmRelation; 62 | import de.topobyte.osm4j.core.model.iface.OsmWay; 63 | import de.topobyte.osm4j.core.model.util.OsmModelUtil; 64 | import de.topobyte.osm4j.core.resolve.EntityFinder; 65 | import de.topobyte.osm4j.core.resolve.EntityFinders; 66 | import de.topobyte.osm4j.core.resolve.EntityNotFoundException; 67 | import de.topobyte.osm4j.core.resolve.EntityNotFoundStrategy; 68 | import de.topobyte.osm4j.geometry.RegionBuilder; 69 | import de.topobyte.osm4j.geometry.RegionBuilderResult; 70 | import de.topobyte.osm4j.geometry.WayBuilder; 71 | import de.topobyte.osm4j.geometry.WayBuilderResult; 72 | import de.topobyte.osm4j.xml.dynsax.OsmXmlReader; 73 | 74 | public class MapRendering extends JPanel 75 | { 76 | 77 | private static final long serialVersionUID = 1L; 78 | 79 | public static void main(String[] args) throws IOException, OsmInputException 80 | { 81 | // This is the region we would like to render 82 | BBox bbox = new BBox(13.45546, 52.51229, 13.46642, 52.50761); 83 | int width = 800; 84 | int height = 600; 85 | 86 | // Define a query to retrieve some data 87 | String queryTemplate = "http://overpass-api.de/api/interpreter?data=(node(%f,%f,%f,%f);<;>;);out;"; 88 | String query = String.format(queryTemplate, bbox.getLat2(), 89 | bbox.getLon1(), bbox.getLat1(), bbox.getLon2()); 90 | 91 | // Open a stream 92 | InputStream input = new URL(query).openStream(); 93 | 94 | // Create a reader and read all data into a data set 95 | OsmReader reader = new OsmXmlReader(input, false); 96 | InMemoryMapDataSet data = MapDataSetLoader.read(reader, true, true, 97 | true); 98 | 99 | // The MercatorImage class knows how to transform input coordinates to 100 | // the selected region selected via bounding box 101 | MercatorImage mapImage = new MercatorImage(bbox, width, height); 102 | 103 | // Instantiate our class 104 | MapRendering panel = new MapRendering(bbox, mapImage, data); 105 | panel.setPreferredSize(new Dimension(width, height)); 106 | 107 | // Setup a frame to show our panel 108 | JFrame frame = new JFrame("Map rendering"); 109 | frame.setContentPane(panel); 110 | frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 111 | frame.pack(); 112 | frame.setVisible(true); 113 | } 114 | 115 | // Some fields that define the map colors and street line widths 116 | private Color cBackground = new Color(0xEEEEEE); 117 | private Color cBBox = Color.BLUE; 118 | private Color cStreetForeground = Color.WHITE; 119 | private Color cStreetBackground = new Color(0xDDDDDD); 120 | private Color cStreetText = Color.BLACK; 121 | private Color cBuildings = new Color(0xFFC2C2); 122 | 123 | private int widthStreetBackground = 14; 124 | private int widthStreetForeground = 10; 125 | 126 | // This is a set of values for the 'highway' key of ways that we will render 127 | // as streets 128 | private Set validHighways = new HashSet<>( 129 | Arrays.asList(new String[] { "primary", "secondary", "tertiary", 130 | "residential", "living_street" })); 131 | 132 | // This will be used to map geometry coordinates to screen coordinates 133 | private MercatorImage mercatorImage; 134 | 135 | // We need to keep the reference to the bounding box, so that we can create 136 | // a new MercatorImage if the size of our panel changes 137 | private BBox bbox; 138 | 139 | // The data set will be used as entity provider when building geometries 140 | private InMemoryMapDataSet data; 141 | 142 | // We build the geometries to be rendered during construction and store them 143 | // in these fields so that we don't have to recompute everything when 144 | // rendering. 145 | private List buildings = new ArrayList<>(); 146 | private List streets = new ArrayList<>(); 147 | private Map names = new HashMap<>(); 148 | 149 | public MapRendering(BBox bbox, MercatorImage mercatorImage, 150 | InMemoryMapDataSet data) 151 | { 152 | this.bbox = bbox; 153 | this.mercatorImage = mercatorImage; 154 | this.data = data; 155 | 156 | // When the panel's size changes, define a new MercatorImage and trigger 157 | // a repaint on our panel 158 | addComponentListener(new ComponentAdapter() { 159 | 160 | @Override 161 | public void componentResized(ComponentEvent e) 162 | { 163 | refreshMercatorImage(); 164 | repaint(); 165 | } 166 | 167 | }); 168 | 169 | buildRenderingData(); 170 | } 171 | 172 | private void buildRenderingData() 173 | { 174 | // We create building geometries from relations and ways. Ways that are 175 | // part of multipolygon buildings may be tagged as buildings themselves, 176 | // however rendering them independently will fill the polygon holes they 177 | // are cutting out of the relations. Hence we store the ways found in 178 | // building relations to skip them later on when working on the ways. 179 | Set buildingRelationWays = new HashSet<>(); 180 | // We use this to find all way members of relations. 181 | EntityFinder wayFinder = EntityFinders.create(data, 182 | EntityNotFoundStrategy.IGNORE); 183 | 184 | // Collect buildings from relation areas... 185 | for (OsmRelation relation : data.getRelations().valueCollection()) { 186 | Map tags = OsmModelUtil.getTagsAsMap(relation); 187 | if (tags.containsKey("building")) { 188 | MultiPolygon area = getPolygon(relation); 189 | if (area != null) { 190 | buildings.add(area); 191 | } 192 | try { 193 | wayFinder.findMemberWays(relation, buildingRelationWays); 194 | } catch (EntityNotFoundException e) { 195 | // cannot happen (IGNORE strategy) 196 | } 197 | } 198 | } 199 | // ... and also from way areas 200 | for (OsmWay way : data.getWays().valueCollection()) { 201 | if (buildingRelationWays.contains(way)) { 202 | continue; 203 | } 204 | Map tags = OsmModelUtil.getTagsAsMap(way); 205 | if (tags.containsKey("building")) { 206 | MultiPolygon area = getPolygon(way); 207 | if (area != null) { 208 | buildings.add(area); 209 | } 210 | } 211 | } 212 | 213 | // Collect streets 214 | for (OsmWay way : data.getWays().valueCollection()) { 215 | Map tags = OsmModelUtil.getTagsAsMap(way); 216 | 217 | String highway = tags.get("highway"); 218 | if (highway == null) { 219 | continue; 220 | } 221 | 222 | Collection paths = getLine(way); 223 | 224 | if (!validHighways.contains(highway)) { 225 | continue; 226 | } 227 | 228 | // Okay, this is a valid street 229 | for (LineString path : paths) { 230 | streets.add(path); 231 | } 232 | 233 | // If it has a name, store it for labeling 234 | String name = tags.get("name"); 235 | if (name == null) { 236 | continue; 237 | } 238 | for (LineString path : paths) { 239 | names.put(path, name); 240 | } 241 | } 242 | } 243 | 244 | public void refreshMercatorImage() 245 | { 246 | mercatorImage = new MercatorImage(bbox, getWidth(), getHeight()); 247 | } 248 | 249 | @Override 250 | protected void paintComponent(Graphics graphics) 251 | { 252 | super.paintComponent(graphics); 253 | Graphics2D g = (Graphics2D) graphics; 254 | g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, 255 | RenderingHints.VALUE_ANTIALIAS_ON); 256 | 257 | // Fill the background 258 | g.setColor(cBackground); 259 | g.fillRect(0, 0, getWidth(), getHeight()); 260 | 261 | // First render buildings 262 | g.setColor(cBuildings); 263 | for (Geometry building : buildings) { 264 | Shape polygon = Jts2Awt.toShape(building, mercatorImage); 265 | g.fill(polygon); 266 | } 267 | 268 | // First pass of street rendering: outlines 269 | g.setColor(cStreetBackground); 270 | g.setStroke(new BasicStroke(widthStreetBackground, 271 | BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND)); 272 | 273 | for (LineString street : streets) { 274 | Path2D path = Jts2Awt.getPath(street, mercatorImage); 275 | g.draw(path); 276 | } 277 | 278 | // Second pass of street rendering: foreground 279 | g.setColor(cStreetForeground); 280 | g.setStroke(new BasicStroke(widthStreetForeground, 281 | BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND)); 282 | 283 | for (LineString street : streets) { 284 | Path2D path = Jts2Awt.getPath(street, mercatorImage); 285 | g.draw(path); 286 | } 287 | 288 | // Now add labels where possible 289 | g.setFont(g.getFont().deriveFont(12f)); 290 | g.setColor(cStreetText); 291 | 292 | for (LineString street : streets) { 293 | String name = names.get(street); 294 | if (name == null) { 295 | continue; 296 | } 297 | paintStreetLabel(g, street, name, mercatorImage); 298 | } 299 | 300 | // Also draw a rectangle around the query bounding box 301 | Geometry queryBox = new GeometryFactory().toGeometry(bbox.toEnvelope()); 302 | Shape shape = Jts2Awt.toShape(queryBox, mercatorImage); 303 | g.setColor(cBBox); 304 | g.setStroke(new BasicStroke(2)); 305 | g.draw(shape); 306 | } 307 | 308 | private void paintStreetLabel(Graphics2D g, LineString street, String name, 309 | CoordinateTransformer t) 310 | { 311 | // We will need this to measure the length of street names 312 | FontMetrics metrics = g.getFontMetrics(); 313 | 314 | // For each segment 315 | for (int i = 1; i < street.getNumPoints(); i++) { 316 | 317 | // Segment is from c to d (WGS84 coordinates) 318 | Coordinate c = street.getCoordinateN(i - 1); 319 | Coordinate d = street.getCoordinateN(i); 320 | 321 | // Map coordinates to screen coordinates 322 | double cx = t.getX(c.x); 323 | double cy = t.getY(c.y); 324 | double dx = t.getX(d.x); 325 | double dy = t.getY(d.y); 326 | 327 | // Determine the length of the segment on the screen 328 | double len = Math 329 | .sqrt((dx - cx) * (dx - cx) + (dy - cy) * (dy - cy)); 330 | 331 | // And also the length of the rendered street name 332 | int textLength = metrics.stringWidth(name); 333 | 334 | // Render only if there is enough space 335 | if (len <= textLength) { 336 | continue; 337 | } 338 | 339 | // We're going to modify the Graphics2D's transformation object to 340 | // render the text rotated and positioned, so we need to backup the 341 | // current transform object 342 | AffineTransform backup = g.getTransform(); 343 | 344 | // We center the text on the segment so we calculate the offset 345 | // depending on the actual length of the text 346 | double offset = (len - textLength) / 2; 347 | 348 | // Define how to render text using transformations 349 | g.translate(cx, cy); 350 | g.rotate(Math.atan2(dy - cy, dx - cx)); 351 | g.translate(offset, 4); 352 | 353 | // Draw! 354 | g.drawString(name, 0, 0); 355 | 356 | // Undo our transformation 357 | g.setTransform(backup); 358 | } 359 | } 360 | 361 | private WayBuilder wayBuilder = new WayBuilder(); 362 | private RegionBuilder regionBuilder = new RegionBuilder(); 363 | 364 | private Collection getLine(OsmWay way) 365 | { 366 | List results = new ArrayList<>(); 367 | try { 368 | WayBuilderResult lines = wayBuilder.build(way, data); 369 | results.addAll(lines.getLineStrings()); 370 | if (lines.getLinearRing() != null) { 371 | results.add(lines.getLinearRing()); 372 | } 373 | } catch (EntityNotFoundException e) { 374 | // ignore 375 | } 376 | return results; 377 | } 378 | 379 | private MultiPolygon getPolygon(OsmWay way) 380 | { 381 | try { 382 | RegionBuilderResult region = regionBuilder.build(way, data); 383 | return region.getMultiPolygon(); 384 | } catch (EntityNotFoundException e) { 385 | return null; 386 | } 387 | } 388 | 389 | private MultiPolygon getPolygon(OsmRelation relation) 390 | { 391 | try { 392 | RegionBuilderResult region = regionBuilder.build(relation, data); 393 | return region.getMultiPolygon(); 394 | } catch (EntityNotFoundException e) { 395 | return null; 396 | } 397 | } 398 | 399 | } 400 | -------------------------------------------------------------------------------- /src/main/java/de/topobyte/osm4j/examples/tutorial/OverpassToPbf.java: -------------------------------------------------------------------------------- 1 | // Copyright 2015 Sebastian Kuerten 2 | // 3 | // This file is part of osm4j. 4 | // 5 | // osm4j is free software: you can redistribute it and/or modify 6 | // it under the terms of the GNU Lesser General Public License as published by 7 | // the Free Software Foundation, either version 3 of the License, or 8 | // (at your option) any later version. 9 | // 10 | // osm4j is distributed in the hope that it will be useful, 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | // GNU Lesser General Public License for more details. 14 | // 15 | // You should have received a copy of the GNU Lesser General Public License 16 | // along with osm4j. If not, see . 17 | 18 | package de.topobyte.osm4j.examples.tutorial; 19 | 20 | import java.io.FileOutputStream; 21 | import java.io.IOException; 22 | import java.io.InputStream; 23 | import java.io.OutputStream; 24 | import java.net.URL; 25 | 26 | import de.topobyte.osm4j.core.access.OsmIterator; 27 | import de.topobyte.osm4j.core.access.OsmOutputStream; 28 | import de.topobyte.osm4j.core.model.iface.EntityContainer; 29 | import de.topobyte.osm4j.core.model.iface.OsmNode; 30 | import de.topobyte.osm4j.core.model.iface.OsmRelation; 31 | import de.topobyte.osm4j.core.model.iface.OsmWay; 32 | import de.topobyte.osm4j.pbf.seq.PbfWriter; 33 | import de.topobyte.osm4j.xml.dynsax.OsmXmlIterator; 34 | 35 | public class OverpassToPbf 36 | { 37 | 38 | public static void main(String[] args) throws IOException 39 | { 40 | // Define a query to retrieve some data 41 | String query = "http://www.overpass-api.de/api/xapi?*[bbox=" 42 | + "13.465661,52.504055,13.469817,52.506204]"; 43 | 44 | // Open a stream 45 | InputStream input = new URL(query).openStream(); 46 | 47 | // Create an iterator for XML data 48 | OsmIterator iterator = new OsmXmlIterator(input, true); 49 | 50 | // Create an output stream 51 | OutputStream output = new FileOutputStream("/tmp/bbox.pbf"); 52 | OsmOutputStream osmOutput = new PbfWriter(output, true); 53 | 54 | // Iterate objects and copy them to the output 55 | for (EntityContainer container : iterator) { 56 | switch (container.getType()) { 57 | default: 58 | case Node: 59 | osmOutput.write((OsmNode) container.getEntity()); 60 | break; 61 | case Way: 62 | osmOutput.write((OsmWay) container.getEntity()); 63 | break; 64 | case Relation: 65 | osmOutput.write((OsmRelation) container.getEntity()); 66 | break; 67 | } 68 | } 69 | 70 | // Close output 71 | osmOutput.complete(); 72 | output.close(); 73 | } 74 | 75 | } 76 | -------------------------------------------------------------------------------- /src/main/java/de/topobyte/osm4j/examples/tutorial/PbfToXml.java: -------------------------------------------------------------------------------- 1 | // Copyright 2015 Sebastian Kuerten 2 | // 3 | // This file is part of osm4j. 4 | // 5 | // osm4j is free software: you can redistribute it and/or modify 6 | // it under the terms of the GNU Lesser General Public License as published by 7 | // the Free Software Foundation, either version 3 of the License, or 8 | // (at your option) any later version. 9 | // 10 | // osm4j is distributed in the hope that it will be useful, 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | // GNU Lesser General Public License for more details. 14 | // 15 | // You should have received a copy of the GNU Lesser General Public License 16 | // along with osm4j. If not, see . 17 | 18 | package de.topobyte.osm4j.examples.tutorial; 19 | 20 | import java.io.FileInputStream; 21 | import java.io.IOException; 22 | import java.io.InputStream; 23 | 24 | import de.topobyte.osm4j.core.access.OsmIterator; 25 | import de.topobyte.osm4j.core.access.OsmOutputStream; 26 | import de.topobyte.osm4j.core.model.iface.EntityContainer; 27 | import de.topobyte.osm4j.core.model.iface.OsmNode; 28 | import de.topobyte.osm4j.core.model.iface.OsmRelation; 29 | import de.topobyte.osm4j.core.model.iface.OsmWay; 30 | import de.topobyte.osm4j.pbf.seq.PbfIterator; 31 | import de.topobyte.osm4j.xml.output.OsmXmlOutputStream; 32 | 33 | public class PbfToXml 34 | { 35 | 36 | public static void main(String[] args) throws IOException 37 | { 38 | // Open a file as input 39 | InputStream input = new FileInputStream("/tmp/bbox.pbf"); 40 | 41 | // Create an iterator for PBF data 42 | OsmIterator iterator = new PbfIterator(input, true); 43 | 44 | // Create an output stream 45 | OsmOutputStream osmOutput = new OsmXmlOutputStream(System.out, true); 46 | 47 | // Iterate objects and copy them to the output 48 | for (EntityContainer container : iterator) { 49 | switch (container.getType()) { 50 | default: 51 | case Node: 52 | osmOutput.write((OsmNode) container.getEntity()); 53 | break; 54 | case Way: 55 | osmOutput.write((OsmWay) container.getEntity()); 56 | break; 57 | case Relation: 58 | osmOutput.write((OsmRelation) container.getEntity()); 59 | break; 60 | } 61 | } 62 | 63 | // Close output 64 | osmOutput.complete(); 65 | } 66 | 67 | } 68 | -------------------------------------------------------------------------------- /src/main/java/de/topobyte/osm4j/examples/tutorial/geometry/BouroughBboxesBerlin.java: -------------------------------------------------------------------------------- 1 | // Copyright 2016 Sebastian Kuerten 2 | // 3 | // This file is part of osm4j. 4 | // 5 | // osm4j is free software: you can redistribute it and/or modify 6 | // it under the terms of the GNU Lesser General Public License as published by 7 | // the Free Software Foundation, either version 3 of the License, or 8 | // (at your option) any later version. 9 | // 10 | // osm4j is distributed in the hope that it will be useful, 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | // GNU Lesser General Public License for more details. 14 | // 15 | // You should have received a copy of the GNU Lesser General Public License 16 | // along with osm4j. If not, see . 17 | 18 | package de.topobyte.osm4j.examples.tutorial.geometry; 19 | 20 | import java.io.IOException; 21 | import java.io.InputStream; 22 | import java.net.URL; 23 | import java.util.ArrayList; 24 | import java.util.HashMap; 25 | import java.util.List; 26 | import java.util.Map; 27 | 28 | import org.locationtech.jts.geom.Envelope; 29 | import org.locationtech.jts.geom.MultiPolygon; 30 | 31 | import de.topobyte.adt.geo.BBox; 32 | import de.topobyte.osm4j.core.access.OsmIterator; 33 | import de.topobyte.osm4j.core.dataset.InMemoryMapDataSet; 34 | import de.topobyte.osm4j.core.dataset.MapDataSetLoader; 35 | import de.topobyte.osm4j.core.model.iface.OsmRelation; 36 | import de.topobyte.osm4j.core.model.util.OsmModelUtil; 37 | import de.topobyte.osm4j.core.resolve.EntityNotFoundException; 38 | import de.topobyte.osm4j.geometry.RegionBuilder; 39 | import de.topobyte.osm4j.geometry.RegionBuilderResult; 40 | import de.topobyte.osm4j.tbo.access.TboIterator; 41 | 42 | public class BouroughBboxesBerlin 43 | { 44 | 45 | public static void main(String[] args) throws IOException 46 | { 47 | RegionBuilder regionBuilder = new RegionBuilder(); 48 | 49 | // This is where we get the boroughs from 50 | String urlBoroughs = "http://osmtestdata.topobyte.de/Berlin.admin10.all.tbo"; 51 | 52 | // Read boroughs 53 | InputStream input = new URL(urlBoroughs).openStream(); 54 | OsmIterator iterator = new TboIterator(input, true, false); 55 | InMemoryMapDataSet boroughsData = MapDataSetLoader.read(iterator, false, 56 | false, true); 57 | input.close(); 58 | 59 | // Build borough polygons and map their names 60 | List boroughs = new ArrayList<>(); 61 | Map names = new HashMap<>(); 62 | 63 | for (OsmRelation relation : boroughsData.getRelations() 64 | .valueCollection()) { 65 | Map tags = OsmModelUtil.getTagsAsMap(relation); 66 | String name = tags.get("name"); 67 | if (name == null) { 68 | continue; 69 | } 70 | try { 71 | RegionBuilderResult region = regionBuilder.build(relation, 72 | boroughsData); 73 | MultiPolygon polygon = region.getMultiPolygon(); 74 | if (polygon.isEmpty()) { 75 | continue; 76 | } 77 | boroughs.add(polygon); 78 | names.put(polygon, name); 79 | } catch (EntityNotFoundException e) { 80 | System.out.println("Unable to build polygon: " + tags); 81 | } 82 | } 83 | 84 | // Calculate the bounding box and print info 85 | for (MultiPolygon borough : boroughs) { 86 | String name = names.get(borough); 87 | Envelope envelope = borough.getEnvelopeInternal(); 88 | BBox bbox = new BBox(envelope); 89 | System.out.println(String.format("%s: %s", name, bbox.toString())); 90 | } 91 | } 92 | 93 | } 94 | -------------------------------------------------------------------------------- /src/main/java/de/topobyte/osm4j/examples/tutorial/geometry/BuildPolygon1.java: -------------------------------------------------------------------------------- 1 | // Copyright 2015 Sebastian Kuerten 2 | // 3 | // This file is part of osm4j. 4 | // 5 | // osm4j is free software: you can redistribute it and/or modify 6 | // it under the terms of the GNU Lesser General Public License as published by 7 | // the Free Software Foundation, either version 3 of the License, or 8 | // (at your option) any later version. 9 | // 10 | // osm4j is distributed in the hope that it will be useful, 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | // GNU Lesser General Public License for more details. 14 | // 15 | // You should have received a copy of the GNU Lesser General Public License 16 | // along with osm4j. If not, see . 17 | 18 | package de.topobyte.osm4j.examples.tutorial.geometry; 19 | 20 | import java.io.IOException; 21 | import java.io.InputStream; 22 | import java.net.URL; 23 | import java.util.HashMap; 24 | import java.util.Map; 25 | 26 | import org.locationtech.jts.geom.Geometry; 27 | import org.wololo.geojson.Feature; 28 | import org.wololo.jts2geojson.GeoJSONWriter; 29 | 30 | import com.slimjars.dist.gnu.trove.map.TLongObjectMap; 31 | 32 | import de.topobyte.osm4j.core.access.OsmIterator; 33 | import de.topobyte.osm4j.core.dataset.InMemoryMapDataSet; 34 | import de.topobyte.osm4j.core.dataset.MapDataSetLoader; 35 | import de.topobyte.osm4j.core.model.iface.OsmRelation; 36 | import de.topobyte.osm4j.core.model.util.OsmModelUtil; 37 | import de.topobyte.osm4j.core.resolve.EntityNotFoundException; 38 | import de.topobyte.osm4j.geometry.GeometryBuilder; 39 | import de.topobyte.osm4j.xml.dynsax.OsmXmlIterator; 40 | 41 | public class BuildPolygon1 42 | { 43 | 44 | public static void main(String[] args) 45 | throws IOException, EntityNotFoundException 46 | { 47 | // String query = 48 | // "http://overpass-api.de/api/interpreter?data=(rel(122895);>;);out;"; 49 | String query = "http://osmtestdata.topobyte.de/relation-122895.osm"; 50 | 51 | // Open a stream 52 | InputStream input = new URL(query).openStream(); 53 | 54 | OsmIterator iterator = new OsmXmlIterator(input, false); 55 | InMemoryMapDataSet data = MapDataSetLoader.read(iterator, false, false, 56 | true); 57 | 58 | TLongObjectMap relations = data.getRelations(); 59 | 60 | if (relations.isEmpty()) { 61 | System.out.println("No relation found"); 62 | return; 63 | } 64 | 65 | OsmRelation relation = relations.valueCollection().iterator().next(); 66 | 67 | Geometry polygon = new GeometryBuilder().build(relation, data); 68 | 69 | Map tags = OsmModelUtil.getTagsAsMap(relation); 70 | Map properties = new HashMap<>(); 71 | for (String key : tags.keySet()) { 72 | properties.put(key, tags.get(key)); 73 | } 74 | 75 | GeoJSONWriter writer = new GeoJSONWriter(); 76 | org.wololo.geojson.Geometry g = writer.write(polygon); 77 | Feature feature = new Feature(g, properties); 78 | 79 | String json = feature.toString(); 80 | 81 | System.out.println(GeoJsonHelper.prettyPrintFeature(json)); 82 | } 83 | 84 | } 85 | -------------------------------------------------------------------------------- /src/main/java/de/topobyte/osm4j/examples/tutorial/geometry/BuildPolygon2.java: -------------------------------------------------------------------------------- 1 | // Copyright 2015 Sebastian Kuerten 2 | // 3 | // This file is part of osm4j. 4 | // 5 | // osm4j is free software: you can redistribute it and/or modify 6 | // it under the terms of the GNU Lesser General Public License as published by 7 | // the Free Software Foundation, either version 3 of the License, or 8 | // (at your option) any later version. 9 | // 10 | // osm4j is distributed in the hope that it will be useful, 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | // GNU Lesser General Public License for more details. 14 | // 15 | // You should have received a copy of the GNU Lesser General Public License 16 | // along with osm4j. If not, see . 17 | 18 | package de.topobyte.osm4j.examples.tutorial.geometry; 19 | 20 | import java.io.IOException; 21 | import java.io.InputStream; 22 | import java.net.URL; 23 | import java.util.HashMap; 24 | import java.util.Map; 25 | 26 | import org.locationtech.jts.geom.Geometry; 27 | import org.wololo.geojson.Feature; 28 | import org.wololo.jts2geojson.GeoJSONWriter; 29 | 30 | import com.slimjars.dist.gnu.trove.map.TLongObjectMap; 31 | 32 | import de.topobyte.osm4j.core.access.OsmIterator; 33 | import de.topobyte.osm4j.core.dataset.InMemoryMapDataSet; 34 | import de.topobyte.osm4j.core.dataset.MapDataSetLoader; 35 | import de.topobyte.osm4j.core.model.iface.OsmRelation; 36 | import de.topobyte.osm4j.core.model.util.OsmModelUtil; 37 | import de.topobyte.osm4j.core.resolve.EntityNotFoundException; 38 | import de.topobyte.osm4j.geometry.GeometryBuilder; 39 | import de.topobyte.osm4j.xml.dynsax.OsmXmlIterator; 40 | 41 | public class BuildPolygon2 42 | { 43 | 44 | public static void main(String[] args) 45 | throws IOException, EntityNotFoundException 46 | { 47 | // String query = 48 | // "http://overpass-api.de/api/interpreter?data=(rel(16566);>;);out;"; 49 | String query = "http://osmtestdata.topobyte.de/relation-16566.osm"; 50 | 51 | // Open a stream 52 | InputStream input = new URL(query).openStream(); 53 | 54 | OsmIterator iterator = new OsmXmlIterator(input, false); 55 | InMemoryMapDataSet data = MapDataSetLoader.read(iterator, false, false, 56 | true); 57 | 58 | TLongObjectMap relations = data.getRelations(); 59 | 60 | if (relations.isEmpty()) { 61 | System.out.println("No relation found"); 62 | return; 63 | } 64 | 65 | OsmRelation relation = relations.valueCollection().iterator().next(); 66 | 67 | Geometry polygon = new GeometryBuilder().build(relation, data); 68 | 69 | Map tags = OsmModelUtil.getTagsAsMap(relation); 70 | Map properties = new HashMap<>(); 71 | for (String key : tags.keySet()) { 72 | properties.put(key, tags.get(key)); 73 | } 74 | 75 | GeoJSONWriter writer = new GeoJSONWriter(); 76 | org.wololo.geojson.Geometry g = writer.write(polygon); 77 | Feature feature = new Feature(g, properties); 78 | 79 | String json = feature.toString(); 80 | 81 | System.out.println(GeoJsonHelper.prettyPrintFeature(json)); 82 | } 83 | 84 | } 85 | -------------------------------------------------------------------------------- /src/main/java/de/topobyte/osm4j/examples/tutorial/geometry/BuildWayPolygon.java: -------------------------------------------------------------------------------- 1 | // Copyright 2018 Sebastian Kuerten 2 | // 3 | // This file is part of osm4j. 4 | // 5 | // osm4j is free software: you can redistribute it and/or modify 6 | // it under the terms of the GNU Lesser General Public License as published by 7 | // the Free Software Foundation, either version 3 of the License, or 8 | // (at your option) any later version. 9 | // 10 | // osm4j is distributed in the hope that it will be useful, 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | // GNU Lesser General Public License for more details. 14 | // 15 | // You should have received a copy of the GNU Lesser General Public License 16 | // along with osm4j. If not, see . 17 | 18 | package de.topobyte.osm4j.examples.tutorial.geometry; 19 | 20 | import java.io.IOException; 21 | import java.io.InputStream; 22 | import java.net.URL; 23 | import java.util.HashMap; 24 | import java.util.Map; 25 | 26 | import org.locationtech.jts.geom.Geometry; 27 | import org.wololo.geojson.Feature; 28 | import org.wololo.jts2geojson.GeoJSONWriter; 29 | 30 | import com.slimjars.dist.gnu.trove.map.TLongObjectMap; 31 | 32 | import de.topobyte.osm4j.core.access.OsmIterator; 33 | import de.topobyte.osm4j.core.dataset.InMemoryMapDataSet; 34 | import de.topobyte.osm4j.core.dataset.MapDataSetLoader; 35 | import de.topobyte.osm4j.core.model.iface.OsmWay; 36 | import de.topobyte.osm4j.core.model.util.OsmModelUtil; 37 | import de.topobyte.osm4j.core.resolve.EntityNotFoundException; 38 | import de.topobyte.osm4j.geometry.RegionBuilder; 39 | import de.topobyte.osm4j.geometry.RegionBuilderResult; 40 | import de.topobyte.osm4j.xml.dynsax.OsmXmlIterator; 41 | 42 | public class BuildWayPolygon 43 | { 44 | 45 | public static void main(String[] args) 46 | throws IOException, EntityNotFoundException 47 | { 48 | String query = "http://overpass-api.de/api/interpreter?data=(way(477546559);>;);out;"; 49 | 50 | // Open a stream 51 | InputStream input = new URL(query).openStream(); 52 | 53 | OsmIterator iterator = new OsmXmlIterator(input, false); 54 | InMemoryMapDataSet data = MapDataSetLoader.read(iterator, false, false, 55 | true); 56 | 57 | TLongObjectMap ways = data.getWays(); 58 | 59 | if (ways.isEmpty()) { 60 | System.out.println("No way found"); 61 | return; 62 | } 63 | 64 | OsmWay way = ways.valueCollection().iterator().next(); 65 | 66 | RegionBuilder rb = new RegionBuilder(); 67 | RegionBuilderResult result = rb.build(way, data); 68 | Geometry polygon = result.getMultiPolygon(); 69 | 70 | Map tags = OsmModelUtil.getTagsAsMap(way); 71 | Map properties = new HashMap<>(); 72 | for (String key : tags.keySet()) { 73 | properties.put(key, tags.get(key)); 74 | } 75 | 76 | GeoJSONWriter writer = new GeoJSONWriter(); 77 | org.wololo.geojson.Geometry g = writer.write(polygon); 78 | Feature feature = new Feature(g, properties); 79 | 80 | String json = feature.toString(); 81 | 82 | System.out.println(GeoJsonHelper.prettyPrintFeature(json)); 83 | } 84 | 85 | } 86 | -------------------------------------------------------------------------------- /src/main/java/de/topobyte/osm4j/examples/tutorial/geometry/GeoJsonHelper.java: -------------------------------------------------------------------------------- 1 | // Copyright 2015 Sebastian Kuerten 2 | // 3 | // This file is part of osm4j. 4 | // 5 | // osm4j is free software: you can redistribute it and/or modify 6 | // it under the terms of the GNU Lesser General Public License as published by 7 | // the Free Software Foundation, either version 3 of the License, or 8 | // (at your option) any later version. 9 | // 10 | // osm4j is distributed in the hope that it will be useful, 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | // GNU Lesser General Public License for more details. 14 | // 15 | // You should have received a copy of the GNU Lesser General Public License 16 | // along with osm4j. If not, see . 17 | 18 | package de.topobyte.osm4j.examples.tutorial.geometry; 19 | 20 | import java.io.IOException; 21 | 22 | import com.fasterxml.jackson.core.JsonProcessingException; 23 | import com.fasterxml.jackson.databind.JsonNode; 24 | import com.fasterxml.jackson.databind.ObjectMapper; 25 | import com.fasterxml.jackson.databind.SerializationFeature; 26 | import com.fasterxml.jackson.databind.node.ObjectNode; 27 | 28 | public class GeoJsonHelper 29 | { 30 | 31 | public static String prettyPrintFeature(String featureJson) 32 | throws JsonProcessingException, IOException 33 | { 34 | ObjectMapper mapper = new ObjectMapper(); 35 | mapper.enable(SerializationFeature.INDENT_OUTPUT); 36 | 37 | JsonNode tree = mapper.readTree(featureJson); 38 | 39 | JsonNode type = tree.get("type"); 40 | JsonNode geometry = tree.get("geometry"); 41 | JsonNode properties = tree.get("properties"); 42 | 43 | ObjectNode root = mapper.createObjectNode(); 44 | if (type != null) { 45 | root.set("type", type); 46 | } 47 | if (properties != null) { 48 | root.set("properties", properties); 49 | } 50 | if (geometry != null) { 51 | root.set("geometry", geometry); 52 | } 53 | 54 | return mapper.writeValueAsString(root); 55 | } 56 | 57 | public static String prettyPrintFeatureCollection(String featureJson) 58 | throws JsonProcessingException, IOException 59 | { 60 | ObjectMapper mapper = new ObjectMapper(); 61 | mapper.enable(SerializationFeature.INDENT_OUTPUT); 62 | 63 | JsonNode tree = mapper.readTree(featureJson); 64 | 65 | JsonNode type = tree.get("type"); 66 | JsonNode features = tree.get("features"); 67 | 68 | ObjectNode root = mapper.createObjectNode(); 69 | if (type != null) { 70 | root.set("type", type); 71 | } 72 | if (features != null) { 73 | root.set("features", features); 74 | } 75 | 76 | return mapper.writeValueAsString(root); 77 | } 78 | 79 | } 80 | -------------------------------------------------------------------------------- /src/main/java/de/topobyte/osm4j/examples/tutorial/geometry/PolygonBufferDifference.java: -------------------------------------------------------------------------------- 1 | // Copyright 2015 Sebastian Kuerten 2 | // 3 | // This file is part of osm4j. 4 | // 5 | // osm4j is free software: you can redistribute it and/or modify 6 | // it under the terms of the GNU Lesser General Public License as published by 7 | // the Free Software Foundation, either version 3 of the License, or 8 | // (at your option) any later version. 9 | // 10 | // osm4j is distributed in the hope that it will be useful, 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | // GNU Lesser General Public License for more details. 14 | // 15 | // You should have received a copy of the GNU Lesser General Public License 16 | // along with osm4j. If not, see . 17 | 18 | package de.topobyte.osm4j.examples.tutorial.geometry; 19 | 20 | import java.io.IOException; 21 | import java.io.InputStream; 22 | import java.net.URL; 23 | import java.util.HashMap; 24 | import java.util.Map; 25 | 26 | import org.locationtech.jts.geom.Geometry; 27 | import org.locationtech.jts.geom.MultiPolygon; 28 | import org.wololo.geojson.Feature; 29 | import org.wololo.jts2geojson.GeoJSONWriter; 30 | 31 | import com.slimjars.dist.gnu.trove.map.TLongObjectMap; 32 | 33 | import de.topobyte.osm4j.core.access.OsmIterator; 34 | import de.topobyte.osm4j.core.dataset.InMemoryMapDataSet; 35 | import de.topobyte.osm4j.core.dataset.MapDataSetLoader; 36 | import de.topobyte.osm4j.core.model.iface.OsmRelation; 37 | import de.topobyte.osm4j.core.resolve.EntityNotFoundException; 38 | import de.topobyte.osm4j.geometry.RegionBuilder; 39 | import de.topobyte.osm4j.geometry.RegionBuilderResult; 40 | import de.topobyte.osm4j.xml.dynsax.OsmXmlIterator; 41 | 42 | public class PolygonBufferDifference 43 | { 44 | 45 | public static void main(String[] args) 46 | throws IOException, EntityNotFoundException 47 | { 48 | // String query = 49 | // "http://overpass-api.de/api/interpreter?data=(rel(16566);>;);out;"; 50 | String query = "http://osmtestdata.topobyte.de/relation-16566.osm"; 51 | 52 | // Open a stream 53 | InputStream input = new URL(query).openStream(); 54 | 55 | OsmIterator iterator = new OsmXmlIterator(input, false); 56 | InMemoryMapDataSet data = MapDataSetLoader.read(iterator, false, false, 57 | true); 58 | 59 | TLongObjectMap relations = data.getRelations(); 60 | 61 | if (relations.isEmpty()) { 62 | System.out.println("No relation found"); 63 | return; 64 | } 65 | 66 | OsmRelation relation = relations.valueCollection().iterator().next(); 67 | 68 | // Build the polygon from the relation 69 | RegionBuilder regionBuilder = new RegionBuilder(); 70 | RegionBuilderResult region = regionBuilder.build(relation, data); 71 | MultiPolygon polygon = region.getMultiPolygon(); 72 | 73 | // Create a buffer 74 | Geometry buffer = polygon.buffer(0.005); 75 | 76 | // Compute the difference, buffer - polygon 77 | Geometry difference = buffer.difference(polygon); 78 | 79 | // GeoJSON output 80 | Map properties = new HashMap<>(); 81 | GeoJSONWriter writer = new GeoJSONWriter(); 82 | org.wololo.geojson.Geometry g = writer.write(difference); 83 | Feature feature = new Feature(g, properties); 84 | 85 | String json = feature.toString(); 86 | System.out.println(GeoJsonHelper.prettyPrintFeature(json)); 87 | } 88 | 89 | } 90 | -------------------------------------------------------------------------------- /src/main/java/de/topobyte/osm4j/examples/tutorial/geometry/PolygonBufferNegative.java: -------------------------------------------------------------------------------- 1 | // Copyright 2015 Sebastian Kuerten 2 | // 3 | // This file is part of osm4j. 4 | // 5 | // osm4j is free software: you can redistribute it and/or modify 6 | // it under the terms of the GNU Lesser General Public License as published by 7 | // the Free Software Foundation, either version 3 of the License, or 8 | // (at your option) any later version. 9 | // 10 | // osm4j is distributed in the hope that it will be useful, 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | // GNU Lesser General Public License for more details. 14 | // 15 | // You should have received a copy of the GNU Lesser General Public License 16 | // along with osm4j. If not, see . 17 | 18 | package de.topobyte.osm4j.examples.tutorial.geometry; 19 | 20 | import java.io.IOException; 21 | import java.io.InputStream; 22 | import java.net.URL; 23 | import java.util.HashMap; 24 | import java.util.Map; 25 | 26 | import org.locationtech.jts.geom.Geometry; 27 | import org.locationtech.jts.geom.GeometryCollection; 28 | import org.locationtech.jts.geom.GeometryFactory; 29 | import org.locationtech.jts.geom.MultiPolygon; 30 | import org.wololo.geojson.Feature; 31 | import org.wololo.jts2geojson.GeoJSONWriter; 32 | 33 | import com.slimjars.dist.gnu.trove.map.TLongObjectMap; 34 | 35 | import de.topobyte.osm4j.core.access.OsmIterator; 36 | import de.topobyte.osm4j.core.dataset.InMemoryMapDataSet; 37 | import de.topobyte.osm4j.core.dataset.MapDataSetLoader; 38 | import de.topobyte.osm4j.core.model.iface.OsmRelation; 39 | import de.topobyte.osm4j.core.resolve.EntityNotFoundException; 40 | import de.topobyte.osm4j.geometry.RegionBuilder; 41 | import de.topobyte.osm4j.geometry.RegionBuilderResult; 42 | import de.topobyte.osm4j.xml.dynsax.OsmXmlIterator; 43 | 44 | public class PolygonBufferNegative 45 | { 46 | 47 | public static void main(String[] args) 48 | throws IOException, EntityNotFoundException 49 | { 50 | // String query = 51 | // "http://overpass-api.de/api/interpreter?data=(rel(16566);>;);out;"; 52 | String query = "http://osmtestdata.topobyte.de/relation-16566.osm"; 53 | 54 | // Open a stream 55 | InputStream input = new URL(query).openStream(); 56 | 57 | OsmIterator iterator = new OsmXmlIterator(input, false); 58 | InMemoryMapDataSet data = MapDataSetLoader.read(iterator, false, false, 59 | true); 60 | 61 | TLongObjectMap relations = data.getRelations(); 62 | 63 | if (relations.isEmpty()) { 64 | System.out.println("No relation found"); 65 | return; 66 | } 67 | 68 | OsmRelation relation = relations.valueCollection().iterator().next(); 69 | 70 | // Build the polygon from the relation 71 | RegionBuilder regionBuilder = new RegionBuilder(); 72 | RegionBuilderResult region = regionBuilder.build(relation, data); 73 | MultiPolygon polygon = region.getMultiPolygon(); 74 | 75 | // Create a buffer 76 | Geometry buffer = polygon.buffer(-0.005); 77 | 78 | // Combine the polygon and its buffer into a GeometryCollection 79 | GeometryCollection both = new GeometryFactory() 80 | .createGeometryCollection(new Geometry[] { polygon, buffer }); 81 | 82 | // GeoJSON output 83 | Map properties = new HashMap<>(); 84 | GeoJSONWriter writer = new GeoJSONWriter(); 85 | org.wololo.geojson.Geometry g = writer.write(both); 86 | Feature feature = new Feature(g, properties); 87 | 88 | String json = feature.toString(); 89 | System.out.println(GeoJsonHelper.prettyPrintFeature(json)); 90 | } 91 | 92 | } 93 | -------------------------------------------------------------------------------- /src/main/java/de/topobyte/osm4j/examples/tutorial/geometry/PolygonBufferPositive.java: -------------------------------------------------------------------------------- 1 | // Copyright 2015 Sebastian Kuerten 2 | // 3 | // This file is part of osm4j. 4 | // 5 | // osm4j is free software: you can redistribute it and/or modify 6 | // it under the terms of the GNU Lesser General Public License as published by 7 | // the Free Software Foundation, either version 3 of the License, or 8 | // (at your option) any later version. 9 | // 10 | // osm4j is distributed in the hope that it will be useful, 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | // GNU Lesser General Public License for more details. 14 | // 15 | // You should have received a copy of the GNU Lesser General Public License 16 | // along with osm4j. If not, see . 17 | 18 | package de.topobyte.osm4j.examples.tutorial.geometry; 19 | 20 | import java.io.IOException; 21 | import java.io.InputStream; 22 | import java.net.URL; 23 | import java.util.HashMap; 24 | import java.util.Map; 25 | 26 | import org.locationtech.jts.geom.Geometry; 27 | import org.locationtech.jts.geom.GeometryFactory; 28 | import org.locationtech.jts.geom.MultiPolygon; 29 | import org.wololo.geojson.Feature; 30 | import org.wololo.jts2geojson.GeoJSONWriter; 31 | 32 | import com.slimjars.dist.gnu.trove.map.TLongObjectMap; 33 | 34 | import de.topobyte.osm4j.core.access.OsmIterator; 35 | import de.topobyte.osm4j.core.dataset.InMemoryMapDataSet; 36 | import de.topobyte.osm4j.core.dataset.MapDataSetLoader; 37 | import de.topobyte.osm4j.core.model.iface.OsmRelation; 38 | import de.topobyte.osm4j.core.resolve.EntityNotFoundException; 39 | import de.topobyte.osm4j.geometry.RegionBuilder; 40 | import de.topobyte.osm4j.geometry.RegionBuilderResult; 41 | import de.topobyte.osm4j.xml.dynsax.OsmXmlIterator; 42 | 43 | public class PolygonBufferPositive 44 | { 45 | 46 | public static void main(String[] args) 47 | throws IOException, EntityNotFoundException 48 | { 49 | // String query = 50 | // "http://overpass-api.de/api/interpreter?data=(rel(16566);>;);out;"; 51 | String query = "http://osmtestdata.topobyte.de/relation-16566.osm"; 52 | 53 | // Open a stream 54 | InputStream input = new URL(query).openStream(); 55 | 56 | OsmIterator iterator = new OsmXmlIterator(input, false); 57 | InMemoryMapDataSet data = MapDataSetLoader.read(iterator, false, false, 58 | true); 59 | 60 | TLongObjectMap relations = data.getRelations(); 61 | 62 | if (relations.isEmpty()) { 63 | System.out.println("No relation found"); 64 | return; 65 | } 66 | 67 | OsmRelation relation = relations.valueCollection().iterator().next(); 68 | 69 | // Build the polygon from the relation 70 | RegionBuilder regionBuilder = new RegionBuilder(); 71 | RegionBuilderResult region = regionBuilder.build(relation, data); 72 | MultiPolygon polygon = region.getMultiPolygon(); 73 | 74 | // Create a buffer 75 | Geometry buffer = polygon.buffer(0.005); 76 | 77 | // Combine the polygon and its buffer into a GeometryCollection 78 | Geometry both = new GeometryFactory() 79 | .createGeometryCollection(new Geometry[] { polygon, buffer }); 80 | 81 | // GeoJSON output 82 | Map properties = new HashMap<>(); 83 | GeoJSONWriter writer = new GeoJSONWriter(); 84 | org.wololo.geojson.Geometry g = writer.write(both); 85 | Feature feature = new Feature(g, properties); 86 | 87 | String json = feature.toString(); 88 | System.out.println(GeoJsonHelper.prettyPrintFeature(json)); 89 | } 90 | 91 | } 92 | -------------------------------------------------------------------------------- /src/main/java/de/topobyte/osm4j/examples/tutorial/geometry/RestaurantDensityBerlin.java: -------------------------------------------------------------------------------- 1 | // Copyright 2015 Sebastian Kuerten 2 | // 3 | // This file is part of osm4j. 4 | // 5 | // osm4j is free software: you can redistribute it and/or modify 6 | // it under the terms of the GNU Lesser General Public License as published by 7 | // the Free Software Foundation, either version 3 of the License, or 8 | // (at your option) any later version. 9 | // 10 | // osm4j is distributed in the hope that it will be useful, 11 | // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 | // GNU Lesser General Public License for more details. 14 | // 15 | // You should have received a copy of the GNU Lesser General Public License 16 | // along with osm4j. If not, see . 17 | 18 | package de.topobyte.osm4j.examples.tutorial.geometry; 19 | 20 | import java.io.IOException; 21 | import java.io.InputStream; 22 | import java.net.URL; 23 | import java.util.ArrayList; 24 | import java.util.Collections; 25 | import java.util.HashMap; 26 | import java.util.List; 27 | import java.util.Map; 28 | 29 | import org.locationtech.jts.geom.Envelope; 30 | import org.locationtech.jts.geom.MultiPolygon; 31 | import org.locationtech.jts.geom.Point; 32 | import org.wololo.geojson.Feature; 33 | import org.wololo.geojson.FeatureCollection; 34 | import org.wololo.jts2geojson.GeoJSONWriter; 35 | 36 | import de.topobyte.adt.geo.BBox; 37 | import de.topobyte.osm4j.core.access.OsmIterator; 38 | import de.topobyte.osm4j.core.dataset.InMemoryMapDataSet; 39 | import de.topobyte.osm4j.core.dataset.MapDataSetLoader; 40 | import de.topobyte.osm4j.core.model.iface.EntityContainer; 41 | import de.topobyte.osm4j.core.model.iface.EntityType; 42 | import de.topobyte.osm4j.core.model.iface.OsmNode; 43 | import de.topobyte.osm4j.core.model.iface.OsmRelation; 44 | import de.topobyte.osm4j.core.model.util.OsmModelUtil; 45 | import de.topobyte.osm4j.core.resolve.EntityNotFoundException; 46 | import de.topobyte.osm4j.geometry.GeometryBuilder; 47 | import de.topobyte.osm4j.geometry.RegionBuilder; 48 | import de.topobyte.osm4j.geometry.RegionBuilderResult; 49 | import de.topobyte.osm4j.tbo.access.TboIterator; 50 | import de.topobyte.osm4j.xml.dynsax.OsmXmlIterator; 51 | 52 | public class RestaurantDensityBerlin 53 | { 54 | 55 | public static void main(String[] args) throws IOException 56 | { 57 | GeometryBuilder geometryBuilder = new GeometryBuilder(); 58 | RegionBuilder regionBuilder = new RegionBuilder(); 59 | 60 | // This is where we get the boroughs from 61 | String urlBoroughs = "http://osmtestdata.topobyte.de/Berlin.admin10.all.tbo"; 62 | 63 | // This is where we will get the restaurants from 64 | String queryTemplate = "http://overpass-api.de/api/interpreter?data=" 65 | + "node[\"amenity\"=\"restaurant\"](%f,%f,%f,%f);out;"; 66 | 67 | // Read boroughs 68 | InputStream input = new URL(urlBoroughs).openStream(); 69 | OsmIterator iterator = new TboIterator(input, true, false); 70 | InMemoryMapDataSet boroughsData = MapDataSetLoader.read(iterator, false, 71 | false, true); 72 | input.close(); 73 | 74 | // Build borough polygons and map their names 75 | List boroughs = new ArrayList<>(); 76 | Map names = new HashMap<>(); 77 | 78 | for (OsmRelation relation : boroughsData.getRelations() 79 | .valueCollection()) { 80 | Map tags = OsmModelUtil.getTagsAsMap(relation); 81 | String name = tags.get("name"); 82 | if (name == null) { 83 | continue; 84 | } 85 | try { 86 | RegionBuilderResult region = regionBuilder.build(relation, 87 | boroughsData); 88 | MultiPolygon polygon = region.getMultiPolygon(); 89 | if (polygon.isEmpty()) { 90 | continue; 91 | } 92 | boroughs.add(polygon); 93 | names.put(polygon, name); 94 | } catch (EntityNotFoundException e) { 95 | System.out.println("Unable to build polygon: " + tags); 96 | } 97 | } 98 | 99 | // Calculate the bounding box for the data query 100 | Envelope env = boroughs.iterator().next().getEnvelopeInternal(); 101 | for (MultiPolygon borough : boroughs) { 102 | env.expandToInclude(borough.getEnvelopeInternal()); 103 | } 104 | BBox bbox = new BBox(env); 105 | 106 | // Define a query to retrieve some data 107 | String query = String.format(queryTemplate, bbox.getLat2(), 108 | bbox.getLon1(), bbox.getLat1(), bbox.getLon2()); 109 | 110 | // Setup a map for counting values for each borough 111 | Map counters = new HashMap<>(); 112 | for (MultiPolygon borough : boroughs) { 113 | counters.put(borough, 0); 114 | } 115 | 116 | // Analyze nodes 117 | input = new URL(query).openStream(); 118 | iterator = new OsmXmlIterator(input, true); 119 | for (EntityContainer entity : iterator) { 120 | if (entity.getType() != EntityType.Node) { 121 | break; 122 | } 123 | OsmNode node = (OsmNode) entity.getEntity(); 124 | Map tags = OsmModelUtil.getTagsAsMap(node); 125 | 126 | // This is not exactly necessary since the input will contain 127 | // restaurant nodes only anyway. Doing it anyway, your data soure 128 | // may be a different one. 129 | String amenity = tags.get("amenity"); 130 | if (amenity == null || !amenity.equals("restaurant")) { 131 | continue; 132 | } 133 | 134 | // Determine which borough a restaurant is in, and increment the 135 | // counter 136 | Point point = geometryBuilder.build(node); 137 | for (MultiPolygon borough : boroughs) { 138 | if (borough.contains(point)) { 139 | counters.put(borough, counters.get(borough) + 1); 140 | } 141 | } 142 | } 143 | 144 | // Build density information 145 | Map densities = new HashMap<>(); 146 | Map values = new HashMap<>(); 147 | 148 | // Calculate density by dividing the counter by the borough's area 149 | for (MultiPolygon borough : boroughs) { 150 | int count = counters.get(borough); 151 | double density = count / borough.getArea(); 152 | densities.put(borough, density); 153 | } 154 | 155 | // Determine a relative density scale from 0..1 depending on the minimum 156 | // and maximum density of all boroughs. 157 | // Then scale the relative density logarithmically to make it more 158 | // expressive. 159 | double min = Collections.min(densities.values()); 160 | double max = Collections.max(densities.values()); 161 | for (MultiPolygon borough : boroughs) { 162 | double density = densities.get(borough); 163 | double relative = (density - min) / (max - min); 164 | 165 | int exponent = 2; 166 | int upscale = (int) Math.pow(10, exponent) - 1; 167 | double value = Math.log10((1 + relative * upscale)) / exponent; 168 | values.put(borough, value); 169 | } 170 | 171 | // Build feature collection for output, assign colors ranging from 172 | // orange to blue 173 | Feature[] features = new Feature[boroughs.size()]; 174 | 175 | for (int i = 0; i < boroughs.size(); i++) { 176 | MultiPolygon borough = boroughs.get(i); 177 | double value = values.get(borough); 178 | 179 | Map properties = new HashMap<>(); 180 | properties.put("name", names.get(borough)); 181 | properties.put("restaurants", counters.get(borough)); 182 | properties.put("fill", color(value)); 183 | properties.put("fill-opacity", "0.5"); 184 | properties.put("stroke", "#555555"); 185 | 186 | GeoJSONWriter writer = new GeoJSONWriter(); 187 | org.wololo.geojson.Geometry g = writer.write(borough); 188 | features[i] = new Feature(g, properties); 189 | } 190 | 191 | FeatureCollection featureCollection = new FeatureCollection(features); 192 | 193 | String json = featureCollection.toString(); 194 | 195 | System.out.println(GeoJsonHelper.prettyPrintFeatureCollection(json)); 196 | } 197 | 198 | // Interpolate a color between color0 and color1. Parameter value is in 199 | // [0..1]. value = 0 maps to color0 and value = 1 maps to color1. 200 | // Interpolate linearly in between. 201 | private static String color(double value) 202 | { 203 | int color0 = 0xffa200; 204 | int color1 = 0x3829ff; 205 | 206 | int r0 = (color0 >> 16) & 0xFF; 207 | int g0 = (color0 >> 8) & 0xFF; 208 | int b0 = (color0) & 0xFF; 209 | 210 | int r1 = (color1 >> 16) & 0xFF; 211 | int g1 = (color1 >> 8) & 0xFF; 212 | int b1 = (color1) & 0xFF; 213 | 214 | int r = (int) Math.round((1 - value) * r0 + value * r1); 215 | int g = (int) Math.round((1 - value) * g0 + value * g1); 216 | int b = (int) Math.round((1 - value) * b0 + value * b1); 217 | 218 | return String.format("#%02x%02x%02x", r, g, b); 219 | } 220 | 221 | } 222 | -------------------------------------------------------------------------------- /src/main/resources/log4j.properties: -------------------------------------------------------------------------------- 1 | log4j.rootLogger=WARN, A1 2 | 3 | log4j.logger.de.topobyte.osm4j.examples=INFO 4 | 5 | log4j.appender.A1=org.apache.log4j.ConsoleAppender 6 | log4j.appender.A1.layout=org.apache.log4j.PatternLayout 7 | log4j.appender.A1.layout.ConversionPattern=%-4r [%t] %-5p %c %x - %m%n 8 | --------------------------------------------------------------------------------