├── example ├── bounds.csv ├── query.overpassql └── style.css ├── config.ini ├── .gitignore ├── .travis.yml ├── osm.ini ├── Makefile ├── README.md └── LICENSE /example/bounds.csv: -------------------------------------------------------------------------------- 1 | oxford,51.6844,-1.399,51.8227,-1.0811 2 | boston,42.3346,-71.197,42.4172,-71.038 3 | chicago-loop,41.83273,-87.7189,41.925781,-87.5692 4 | -------------------------------------------------------------------------------- /config.ini: -------------------------------------------------------------------------------- 1 | # json boundaries csv file 2 | BOUNDSFILE = example/bounds.csv 3 | 4 | # template for querying the Overpass API 5 | QUERYFILE = example/query.overpassql 6 | 7 | # style css 8 | STYLEFILE = example/style.css 9 | -------------------------------------------------------------------------------- /example/query.overpassql: -------------------------------------------------------------------------------- 1 | // Single-line comment 2 | [out:xml][timeout:60]; 3 | ( 4 | way[highway=cycleway]({{bbox}}); 5 | way["leisure"="park"]({{bbox}}); 6 | ); 7 | ( 8 | ._; 9 | >; 10 | ); 11 | /* 12 | Multi-line 13 | comment 14 | */ 15 | out {{verbosity}} qt; 16 | -------------------------------------------------------------------------------- /example/style.css: -------------------------------------------------------------------------------- 1 | /* 2 | Differentiate between paved and unknown surfaces. 3 | Works when --class-fields surface is given 4 | */ 5 | .surface_None { 6 | stroke: gray; 7 | } 8 | .surface_paved { 9 | stroke: blue; 10 | } 11 | 12 | /* 13 | Draw parks in green when --class-fields park is given 14 | */ 15 | .leisure_park { 16 | fill: green; 17 | stroke: none; 18 | } 19 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # osm-tiny-maps, OpenStreetMap downloads and image-creation 2 | # Copyright (C) 2016, Neil Freeman 3 | 4 | # This program is free software: you can redistribute it and/or modify 5 | # it under the terms of the GNU General Public License as published by 6 | # the Free Software Foundation, either version 3 of the License, or 7 | # at your option) any later version. 8 | 9 | # This program is distributed in the hope that it will be useful, 10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of 11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 | # GNU General Public License for more details. 13 | 14 | # You should have received a copy of the GNU General Public License 15 | # along with this program. If not, see . 16 | .env 17 | *.geojson 18 | *.svg 19 | *.png 20 | *.osm 21 | *.zip 22 | *.pdf 23 | *.eps 24 | *.dbf 25 | *.shx 26 | *.shp 27 | *.prj 28 | *.cpg 29 | *.ql 30 | *.overpassql 31 | -------------------------------------------------------------------------------- /.travis.yml: -------------------------------------------------------------------------------- 1 | # osm-tiny-maps, OpenStreetMap downloads and image-creation 2 | # Copyright (C) 2016, Neil Freeman 3 | 4 | # This program is free software: you can redistribute it and/or modify 5 | # it under the terms of the GNU General Public License as published by 6 | # the Free Software Foundation, either version 3 of the License, or 7 | # at your option) any later version. 8 | 9 | # This program is distributed in the hope that it will be useful, 10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of 11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 | # GNU General Public License for more details. 13 | 14 | # You should have received a copy of the GNU General Public License 15 | # along with this program. If not, see . 16 | 17 | language: python 18 | cache: pip 19 | os: 20 | - linux 21 | - osx 22 | 23 | git: 24 | depth: 2 25 | 26 | before_install: 27 | - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew update; fi 28 | - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew outdated gdal || brew upgrade gdal; fi 29 | - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then sudo apt-get install -y libgdal1-dev gdal-bin; fi 30 | 31 | install: 32 | - sudo pip install -U "svgis>=0.3.8,<1" 33 | 34 | before_script: 35 | - make ready 36 | - make info 37 | 38 | # Let's assume that ImageMagick works fine, so only go as far as building the SVGs 39 | script: 40 | - make svgs 41 | -------------------------------------------------------------------------------- /osm.ini: -------------------------------------------------------------------------------- 1 | # osm-tiny-maps, OpenStreetMap downloads and image-creation 2 | # Copyright (C) 2016, Neil Freeman 3 | 4 | # This program is free software: you can redistribute it and/or modify 5 | # it under the terms of the GNU General Public License as published by 6 | # the Free Software Foundation, either version 3 of the License, or 7 | # at your option) any later version. 8 | 9 | # This program is distributed in the hope that it will be useful, 10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of 11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 | # GNU General Public License for more details. 13 | 14 | # You should have received a copy of the GNU General Public License 15 | # along with this program. If not, see . 16 | 17 | # Adapted from http://svn.osgeo.org/gdal/trunk/gdal/data/osmconf.ini 18 | 19 | # put here the name of keys for ways that are assumed to be polygons if they are closed 20 | # see http://wiki.openstreetmap.org/wiki/Map_Features 21 | closed_ways_are_polygons=aeroway,amenity,boundary,building,craft,geological,historic,landuse,leisure,military,natural,office,place,shop,sport,tourism 22 | 23 | # comment to avoid laundering of keys ( ':' turned into '_' ) 24 | attribute_name_laundering=yes 25 | 26 | # uncomment to report all nodes, including the ones without any (significant) tag 27 | #report_all_nodes=yes 28 | 29 | # uncomment to report all ways, including the ones without any (significant) tag 30 | report_all_ways=yes 31 | 32 | [points] 33 | ## common attributes 34 | osm_id=yes 35 | osm_version=no 36 | osm_timestamp=no 37 | osm_uid=no 38 | osm_user=no 39 | osm_changeset=no 40 | 41 | ## keys to report as OGR fields 42 | attributes=name,network,operator,wikipedia 43 | ## keys that, alone, are not significant enough to report a node as a OGR point 44 | unsignificant=created_by,converted_by,source,time,ele 45 | ## keys that should NOT be reported in the "other_tags" field 46 | ignore=created_by,converted_by,source,time,ele,note,openGeoDB:,fixme,FIXME 47 | ## uncomment to avoid creation of "other_tags" field 48 | other_tags=no 49 | 50 | [lines] 51 | # common attributes 52 | osm_id=yes 53 | osm_version=no 54 | osm_timestamp=no 55 | osm_uid=no 56 | osm_user=no 57 | osm_changeset=no 58 | 59 | # keys to report as OGR fields 60 | attributes=name,alt_name,bicycle,railway,surface 61 | # electrified,bridge,cutting,frequency,gauge,layer,railway:traffic_mode,operator,tunnel,service,railway:bidirectional,owner,city,construction 62 | # keys that should NOT be reported in the "other_tags" field 63 | ignore=created_by,converted_by,source,time,ele,note,openGeoDB:,fixme,FIXME,tiger:cfcc,tiger:county,tiger:name_base,tiger:name_type,tiger:tlid,voltage,incline,embedded,tiger:source,tiger:upload_uuid,embankment,old_railway_operator 64 | # uncomment to avoid creation of "other_tags" field 65 | other_tags=no 66 | 67 | [multipolygons] 68 | ## common attributes 69 | ## note: for multipolygons, osm_id=yes instanciates a osm_id field for the id of relations 70 | ## and a osm_way_id field for the id of closed ways. Both fields are exclusively set. 71 | osm_id=yes 72 | osm_version=no 73 | osm_timestamp=no 74 | osm_uid=no 75 | osm_user=no 76 | osm_changeset=no 77 | 78 | ## keys to report as OGR fields 79 | attributes=name,type,aeroway,amenity,admin_level,barrier,boundary,building,craft,geological,historic,land_area,landuse,leisure,man_made,military,natural,office,place,shop,sport,tourism 80 | ## keys that should NOT be reported in the "other_tags" field 81 | ignore=area,created_by,converted_by,source,time,ele,note,openGeoDB:,fixme,FIXME 82 | ## uncomment to avoid creation of "other_tags" field 83 | ##other_tags=no 84 | 85 | #[multilinestrings] 86 | ## common attributes 87 | #osm_id=yes 88 | #osm_version=no 89 | #osm_timestamp=no 90 | #osm_uid=no 91 | #osm_user=no 92 | #osm_changeset=no 93 | 94 | ## keys to report as OGR fields 95 | #attributes=name,type 96 | ## keys that should NOT be reported in the "other_tags" field 97 | #ignore=area,created_by,converted_by,source,time,ele,note,openGeoDB:,fixme,FIXME 98 | ## uncomment to avoid creation of "other_tags" field 99 | ##other_tags=no 100 | 101 | #[other_relations] 102 | ## common attributes 103 | #osm_id=yes 104 | #osm_version=no 105 | #osm_timestamp=no 106 | #osm_uid=no 107 | #osm_user=no 108 | #osm_changeset=no 109 | 110 | ## keys to report as OGR fields 111 | #attributes=name,type 112 | ## keys that should NOT be reported in the "other_tags" field 113 | #ignore=area,created_by,converted_by,source,time,ele,note,openGeoDB:,fixme,FIXME 114 | ## uncomment to avoid creation of "other_tags" field 115 | ##other_tags=no 116 | -------------------------------------------------------------------------------- /Makefile: -------------------------------------------------------------------------------- 1 | # osm-tiny-maps, OpenStreetMap downloads and image-creation 2 | # Copyright (C) 2016, Neil Freeman 3 | 4 | # This program is free software: you can redistribute it and/or modify 5 | # it under the terms of the GNU General Public License as published by 6 | # the Free Software Foundation, either version 3 of the License, or 7 | # at your option) any later version. 8 | 9 | # This program is distributed in the hope that it will be useful, 10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of 11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 | # GNU General Public License for more details. 13 | 14 | # You should have received a copy of the GNU General Public License 15 | # along with this program. If not, see . 16 | SHELL = bash 17 | 18 | # Useful for downloading another iteration of similar data 19 | # setting this will put all files in the named folder 20 | PREFIX = . 21 | 22 | # INI files are valid Make variable declarations 23 | include config.ini 24 | 25 | # Overpass API endpoint 26 | API ?= http://overpass-api.de/api/interpreter 27 | CURLFLAGS = -s 28 | 29 | # List of bounding boxes to target for download 30 | LOCATIONS = $(shell cut -f1 -d, $(BOUNDSFILE)) 31 | 32 | # OSM verbosity 33 | # valid options: skel, body, meta 34 | VERBOSITY ?= body 35 | 36 | # default configuration file for ogr2ogr 37 | OSM_CONFIG_FILE ?= osm.ini 38 | OSM_USE_CUSTOM_INDEXING = NO 39 | export OSM_CONFIG_FILE OSM_USE_CUSTOM_INDEXING 40 | OGRFLAGS = -f GeoJSON -lco ENCODING=UTF-8 41 | 42 | # imagemagick flags for adding small border 43 | DENSITY = 144 44 | BORDER = 10 45 | REPAGEFLAGS = -trim +repage 46 | BORDERFLAGS = -bordercolor white -border $(BORDER)x$(BORDER) 47 | 48 | # no-viewbox gives better compatibility for Adobe Illustrator 49 | DRAWFLAGS = --no-viewbox --inline --padding 10 50 | CLASSFIELDS = '' 51 | SCALE = 10 52 | # generate a local transverse-mercator projection 53 | PROJECTION = local 54 | # For clarity: 55 | drawopts = --crs $(PROJECTION) \ 56 | --scale $(SCALE) \ 57 | --style $(STYLEFILE) \ 58 | --class-fields $(CLASSFIELDS) \ 59 | $(DRAWFLAGS) 60 | 61 | # Valid GEOMETRY types: points lines multipolygons 62 | GEOMETRY = multipolygons lines 63 | 64 | # Slightly-too-clever declaration of folders and shorthand tasks 65 | FILETYPES = overpassql osm svg geojson eps png 66 | DIRS = $(addprefix $(PREFIX)/,$(FILETYPES)) $(addprefix $(PREFIX)/geojson/,$(GEOMETRY)) 67 | TASKS = $(addsuffix s,$(FILETYPES)) 68 | 69 | # These don't create literal files 70 | .PHONY: info install ready clean $(TASKS) 71 | 72 | info: 73 | @echo query template: $(QUERYFILE) 74 | @echo bounds file: $(BOUNDSFILE) 75 | @echo bounds count: $(words $(LOCATIONS)) 76 | @echo css file: $(STYLEFILE) 77 | @echo osm conversion settings: $(OSM_CONFIG_FILE) 78 | @echo available commands: $(TASKS) 79 | 80 | # Shorthand tasks 81 | 82 | # list of png files to generate, based on the keys of the bounding box 83 | pngs: $(addsuffix .png,$(addprefix $(PREFIX)/png/,$(LOCATIONS))) 84 | 85 | # Geojson rule requires replacement for each GEOMETRY 86 | geojsons: $(foreach G,$(GEOMETRY),$(foreach L,$(LOCATIONS),$(PREFIX)/geojson/$G/$L.geojson)) 87 | 88 | # Other rules require a second expansion to state simply 89 | # Without ".SECONDEXPANSION" this would yield a file ending in .% 90 | .SECONDEXPANSION: 91 | overpassqls osms epss svgs: %s: $(foreach x,$(LOCATIONS),$(PREFIX)/%/$x.$$*) 92 | 93 | # file creation tasks in reverse-chronological order 94 | 95 | # Generate a png from a svg. 96 | # the order-only prerequisite ("| PREFIX/png") doesn't check the folder timestamp 97 | $(PREFIX)/png/%.png: $(PREFIX)/svg/%.svg | $(PREFIX)/png 98 | convert $< -density $(DENSITY) $(REPAGEFLAGS) $(BORDERFLAGS) $@ 99 | 100 | # Generate an EPS from a SVG 101 | $(PREFIX)/eps/%.eps: $(PREFIX)/svg/%.svg | $(PREFIX)/eps 102 | convert $< $(REPAGEFLAGS) $@ 103 | 104 | # Draw the svg with SVGIS using one or more GEOMETRYs 105 | $(PREFIX)/svg/%.svg: $(foreach x,$(GEOMETRY),$(PREFIX)/geojson/$x/%.geojson) $(STYLEFILE) | $(PREFIX)/svg 106 | svgis draw -o $@ $(drawopts) $(filter-out %.css,$^) 107 | 108 | # Create geodata from OSM data 109 | # This task uses a complicated expansion in order to address all the GEOMETRYs without repetition. 110 | # The actual ogr2ogr command will look like: 111 | # ogr2ogr placelines.geojson place.osm lines -f GeoJSON 112 | # where 'lines' could be any of the GEOMETRYs 113 | $(PREFIX)/geojson/%.geojson: $(PREFIX)/osm/$$(*F).osm | $$(@D) 114 | @rm -f $@ 115 | ogr2ogr $@ $^ $(*D) $(OGRFLAGS) 116 | 117 | # OSM files are precious because they tend to be big, we don't want make to delete them 118 | .PRECIOUS: osm/%.osm 119 | 120 | # Post the query to the OSM api. 121 | $(PREFIX)/osm/%.osm: $(PREFIX)/overpassql/%.overpassql | $(PREFIX)/osm 122 | curl $(API) $(CURLFLAGS) -o $@ --data @$< 123 | 124 | # Read bounding box from the bounds file, use sed to do some quick templating on the query file 125 | read BBOX <<<$$(fgrep '$*' $< | cut -d, -f2-); \ 126 | sed -e "s/{{bbox}}/$${BBOX}/g;s/{{verbosity}}/$(VERBOSITY)/g;s,//.*,,;s/ *//" $(QUERYFILE) | \ 127 | tr -d '\n' | \ 128 | sed -e 's,/\*.*\*/,,g' > $@ 129 | $(PREFIX)/overpassql/%.overpassql: $(BOUNDSFILE) | $(PREFIX)/overpassql 130 | 131 | # Create directories 132 | $(DIRS): ; mkdir -p $@ 133 | 134 | # Clean and install tasks 135 | clean: ; rm -rf $(DIRS) 136 | 137 | # requires Homebrew and pip out of the gate 138 | install: 139 | which gdalinfo || brew install gdal 140 | pip list | grep svgis || pip install -U "svgis>=0.3.8,<1" 141 | which $(CONVERT) || brew install Caskroom/cask/xquartz imagemagick 142 | 143 | ready: 144 | -@ogr2ogr --version >/dev/null && echo GDAL ok || echo install GDAL 145 | -@which svgis >/dev/null && echo svgis ok || echo install svgis 146 | -@convert --version >/dev/null && echo ImageMagick ok || echo install ImageMagick 147 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | osm-tiny-maps 2 | ============= 3 | 4 | Download slices of OSM data and create similarly-scaled maps in svg/png/eps format from the data. 5 | 6 | This workflow is based on the workflow used to creating [subways at scale](http://fakeisthenewreal.org/subway/). I've generalized it it to serve as a template for others with the same problem: drawing OSM for many parts of the world into similar maps. 7 | 8 | The workflow uses make, which is an ancient but rock-solid tool for processing files. The `Makefile` is well documented, take a look. 9 | 10 | ### Install 11 | 12 | #### OS X 13 | 14 | Check that you have [Make](https://www.gnu.org/software/make/), [Homebrew](http://brew.sh) and [pip](http://pip.readthedocs.org/en/stable/installing/) installed, then run: 15 | 16 | ```` 17 | make install 18 | ```` 19 | 20 | Make can be installed (along with other useful tools) with `xcode-select --install`. 21 | 22 | #### Other platforms 23 | 24 | Install: 25 | * [GDAL](http://www.gdal.org) 26 | * [ImageMagick](http://www.imagemagick.org/script/binary-releases.php) 27 | * [pip](http://pip.readthedocs.org/en/stable/installing/) 28 | 29 | On Linux, [Make](https://www.gnu.org/software/make/) is likely already available. To install the prerequisites, do something like `yum/apt-get install imagemagick libgdal1-dev gdal-bin`. 30 | 31 | If you're on Windows, look into [Cygwin](http://cygwin.com) to provide a bash shell, and [OSGeo4W](https://trac.osgeo.org/osgeo4w/) for providing GDAL. 32 | 33 | Once those are installed, run `make install` to install SVGIS, the map-drawing tool. Check if the prerequisites are set to go with `make ready`. 34 | 35 | ### Building 36 | 37 | To build maps, you'll need to create files to tell the workflow what to do: 38 | * a bounds file tells the `Makefile` where to download 39 | * a query file tells it what to download 40 | * A css file tells it how to style the maps 41 | 42 | Set the locations of these files by editing `config.ini`. 43 | 44 | #### Bounds 45 | 46 | The Makefile needs bounds to determine where to download. It reads a simple CSV file that contains place names and bounding box coordinates: 47 | 48 | ```` 49 | placename,minx,miny,maxx,maxy 50 | placename,(western latitude),(southern longitude),(eastern latitude),(northern longitude) 51 | ```` 52 | 53 | This file shouldn't have a header row. Coordinates should be in WGS84. 54 | 55 | The `example/` directory has an example file with boundaries around Boston, Oxford and Chicago's Loop. 56 | 57 | Place names must not contain commas, spaces, colons, slashes or quotes (`, :\/'"`), nor the words `lines`, `points` or `multipolygons`. 58 | 59 | #### Queries 60 | 61 | OSM Overpass queries use a unique and fairly complicated syntax, See [Overpass Turbo](http://overpass-turbo.eu) and the [Overpass API language guide](https://wiki.openstreetmap.org/wiki/Overpass_API/Language_Guide) for help in writing a query. 62 | 63 | The example directory has a simple query that downloads pedestrian paths: 64 | ```` 65 | [out:xml][timeout:60]; 66 | ( 67 | way[highway=footway]({{bbox}}); 68 | ); 69 | out body; 70 | >; 71 | out {{verbosity}} qt; 72 | ```` 73 | 74 | Note the `{{bbox}}` and [`{{verbosity}}`](https://wiki.openstreetmap.org/wiki/Overpass_API/Language_Guide#Degree_of_verbosity) placeholders. If you want to download OSM data that can be edited (e.g. with [JOSM](https://josm.openstreetmap.de)), run commands with `VERBOSITY=meta`. The valid verbosity levels are: `skel`, `body` and `meta` (in increasing verbosity), the default is body. 75 | 76 | #### Styles 77 | 78 | Editing the map styles, requires a basic understanding of [CSS](https://developer.mozilla.org/en-US/docs/Web/CSS). Styling SVGs is exactly like styling HTML, but instead of `div` and `a` elements, there are `g` and `polygon` elements. To get an idea of how it works, start by picking a layer and adding a style rule for all of the elements it contains, e.g.: 79 | 80 | ````css 81 | /* Add a huge red stroke on lines in the boston SVG */ 82 | #bostonlines * { 83 | stroke: red; 84 | stroke-width: 5px; 85 | } 86 | ```` 87 | 88 | Next, you might change all elements: 89 | ````csss 90 | /* Make all polygons blue */ 91 | polygon { 92 | fill: blue; 93 | } 94 | ```` 95 | 96 | Like HTML, the best way to fiddle with this is to look at the source. Open the SVG in your favorite web browser and poke around with the Web Inspector. 97 | 98 | `SVGIS` can style output svgs features based on their properties, but `ogr2ogr` needs to told explicitly which keys to read from the OSM file. This is controlled by the config file `osm.ini`. For instance, to include the `highway` key, often seen on roads, add 'highway' to the `attributes` key in the `[lines]` section. 99 | 100 | To let `svgis` know which fields to add to the SVG, provide an argument for `svgis`'s `--class-fields` option: 101 | ```` 102 | make svgs CLASSFIELDS="surface,leisure" 103 | ... 104 | svgis draw ... --class-fields surface,leisure ... 105 | ```` 106 | 107 | With this option set, the styles in `example/style.css` will create simple maps with asphalt bike paths in blue and parks in green. Edit the `STYLEFILE` option in `config.ini` to use your own file, and use different class-fields to create more elaborately styled maps. Read the [svgis](https://github.com/fitnr/svgis) documentation for details on styling. 108 | 109 | #### Fun part 110 | 111 | Once the bounds, query template and css files are ready, save them in the same directory as the `Makefile` and add them to `conf.ini`: 112 | 113 | ````ini 114 | QUERYFILE = my_query.overpassql 115 | BOUNDSFILE = my_bounds.csv 116 | STYLEFILE = my_styles.css 117 | ```` 118 | 119 | To make sure that everything looks right, run: `make info`. This should print something like: 120 | ```` 121 | query template: my_query.overpassql 122 | bounds file: my_bounds.csv 123 | css file: my_styles.css 124 | osm conversion settings: osm.ini 125 | bounds count: 42 126 | available commands: qls, osms, svgs, geojsons, pngs 127 | ```` 128 | 129 | Then run one of the available commands, e.g: `make pngs`. 130 | 131 | This will create query files, download OSM data, convert to GeoJSON, to SVG, then to PNG or EPS, if necessary. 132 | 133 | You may find that it's faster to run `make osms && make pngs -j 3`. This will take advantage of parallel processing for the image manipulation steps. OpenStreetMap only allows one connection per IP address, so running parallel for that step doesn't work. 134 | 135 | ### Customizing 136 | 137 | The `Makefile` is intended to be edited and adapted. There are some built in ways to customize the output, but first let's clear up how it works. 138 | 139 | The tools used are: 140 | 141 | * bash builtins format the template query, converting each line of the `bounds.csv` file into a `.overpassql` query 142 | * `curl`, the standard builtin file downloader, uses the `.overpassql` file to download OSM data from the Overpass API 143 | * `ogr2ogr` converts the OSM data into GeoJSON, a standard geodata format 144 | * `svgis` draws the geojson files as SVGs 145 | * `convert`, part of ImageMagick, converts the SVGs into EPS or PNG files 146 | 147 | Stated another way: 148 | ```` 149 | bounds.csv -> .overpassql (bash creates queries) 150 | .overpassql -> .osm (curl downloads from OSM) 151 | .osm -> .geojson (ogr2ogr converts) 152 | .geojson -> .svg (svgis draws) 153 | .svg -> .png/.eps (ImageMagick converts) 154 | ```` 155 | 156 | You'll find the docs for the different tools useful: 157 | 158 | * [OpenStreetMap](http://wiki.openstreetmap.org/wiki/Main_Page) 159 | * [overpass api](http://wiki.openstreetmap.org/wiki/Overpass_API) 160 | * [ogr2ogr](http://www.gdal.org/ogr2ogr.html) 161 | * [svgis](http://pythonhosted.org/svgis/) 162 | * [ImageMagick convert](http://imagemagick.org/script/convert.php) 163 | 164 | #### Geometries 165 | 166 | OpenStreetMap geometries come in three flavors: `points`, `lines`, and `multipolygons` (This is a [gross over-simplification](http://wiki.openstreetmap.org/wiki/Elements)). By default, osm-tiny-maps processes lines and multipolygons. To change this, use the `GEOMETRY` variable: 167 | 168 | ```bash 169 | # process only multipolygons 170 | make svgs GEOMETRY='multipolygons' 171 | # process points, lines and multipolygons 172 | make pngs GEOMETRY='points lines multipolygons' 173 | ```` 174 | 175 | #### Map scale 176 | 177 | Map scale in SVGIS is the ratio between svg units and projection units. Most map projections use meters or feet, and svg clients usually represent an svg units as a pixel or a fraction of an inch. 178 | 179 | The default scale is 10, which is appropriate for a creating a small map of a neighborhood. To get larger output PNGs, use a smaller scale, and vis versa: 180 | ````bash 181 | # really big 182 | make svgs SCALE=1 183 | # really small 184 | make svgs SCALE=1000 185 | ```` 186 | 187 | #### Map projections 188 | 189 | By default, maps are drawn in comparable Transverse Mercator projections. To use a custom projection, use pass additional options to `svgis draw`: 190 | ````bash 191 | # Use the local UTM projection 192 | make svgs PROJECT=utm 193 | # Use New York state plane 194 | make svgs PROJECT=EPSG:4456 195 | ```` 196 | 197 | The `EPSG:4446` in the second example is a map projection ID. The websites [espg.io](http://espg.io) and [spatialreference.org](http://spatialreference.org/ref/epsg/) are a good references for finding the EPSG codes. 198 | 199 | ### License 200 | 201 | Copyright (C) 2015, Neil Freeman. Available under the [GNU General Public License, version 3](http://www.gnu.org/licenses/gpl.html). 202 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. By contrast, 15 | the GNU General Public License is intended to guarantee your freedom to 16 | share and change all versions of a program--to make sure it remains free 17 | software for all its users. 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No Surrender of Others' Freedom. 541 | 542 | If conditions are imposed on you (whether by court order, agreement or 543 | otherwise) that contradict the conditions of this License, they do not 544 | excuse you from the conditions of this License. If you cannot convey a 545 | covered work so as to satisfy simultaneously your obligations under this 546 | License and any other pertinent obligations, then as a consequence you may 547 | not convey it at all. For example, if you agree to terms that obligate you 548 | to collect a royalty for further conveying from those to whom you convey 549 | the Program, the only way you could satisfy both those terms and this 550 | License would be to refrain entirely from conveying the Program. 551 | 552 | 13. Use with the GNU Affero General Public License. 553 | 554 | Notwithstanding any other provision of this License, you have 555 | permission to link or combine any covered work with a work licensed 556 | under version 3 of the GNU Affero General Public License into a single 557 | combined work, and to convey the resulting work. The terms of this 558 | License will continue to apply to the part which is the covered work, 559 | but the special requirements of the GNU Affero General Public License, 560 | section 13, concerning interaction through a network will apply to the 561 | combination as such. 562 | 563 | 14. Revised Versions of this License. 564 | 565 | The Free Software Foundation may publish revised and/or new versions of 566 | the GNU General Public License from time to time. Such new versions will 567 | be similar in spirit to the present version, but may differ in detail to 568 | address new problems or concerns. 569 | 570 | Each version is given a distinguishing version number. If the 571 | Program specifies that a certain numbered version of the GNU General 572 | Public License "or any later version" applies to it, you have the 573 | option of following the terms and conditions either of that numbered 574 | version or of any later version published by the Free Software 575 | Foundation. If the Program does not specify a version number of the 576 | GNU General Public License, you may choose any version ever published 577 | by the Free Software Foundation. 578 | 579 | If the Program specifies that a proxy can decide which future 580 | versions of the GNU General Public License can be used, that proxy's 581 | public statement of acceptance of a version permanently authorizes you 582 | to choose that version for the Program. 583 | 584 | Later license versions may give you additional or different 585 | permissions. However, no additional obligations are imposed on any 586 | author or copyright holder as a result of your choosing to follow a 587 | later version. 588 | 589 | 15. Disclaimer of Warranty. 590 | 591 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY 592 | APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT 593 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY 594 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, 595 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 596 | PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM 597 | IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF 598 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 599 | 600 | 16. Limitation of Liability. 601 | 602 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS 604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE 606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF 607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD 608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), 609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF 610 | SUCH DAMAGES. 611 | 612 | 17. Interpretation of Sections 15 and 16. 613 | 614 | If the disclaimer of warranty and limitation of liability provided 615 | above cannot be given local legal effect according to their terms, 616 | reviewing courts shall apply local law that most closely approximates 617 | an absolute waiver of all civil liability in connection with the 618 | Program, unless a warranty or assumption of liability accompanies a 619 | copy of the Program in return for a fee. 620 | 621 | END OF TERMS AND CONDITIONS 622 | --------------------------------------------------------------------------------