├── .gitignore
├── README.md
├── config
    ├── config.json.example
    └── styletemplate.json
├── html
    └── upload.html
├── mvt_server.js
├── package-lock.json
├── package.json
├── postgis-mvt.html
├── sources
    └── source.json.example
└── uploads
    └── .gitignore


/.gitignore:
--------------------------------------------------------------------------------
1 | .git
2 | node_modules
3 | *.*~
4 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
1 | # postgis-mvt-server
2 | Serve Mapbox vector tiles directly from a PostGIS database
3 | 


--------------------------------------------------------------------------------
/config/config.json.example:
--------------------------------------------------------------------------------
 1 | {
 2 | 	"port": 3001,
 3 | 	"databases": {
 4 | 		"<dbname>": {
 5 | 			"host": "localhost",
 6 | 			"port": 5432,
 7 | 			"user": "<user>",
 8 | 			"password": "<password>",
 9 | 			"database": "<database name>"
10 | 		}
11 | 	},
12 | 	"uploads": {
13 | 		"database": "<dbname (as above)>",
14 | 		"schema": "<schema>",
15 | 		"directory": "uploads"
16 | 	},
17 | 	"sourcedir": "sources",
18 | 	"server_url": "http://<host>:3001"
19 | }
20 | 


--------------------------------------------------------------------------------
/config/styletemplate.json:
--------------------------------------------------------------------------------
   1 | {
   2 |   "version": 8,
   3 |   "name": "Positron",
   4 |   "metadata": {
   5 |     "mapbox:autocomposite": false,
   6 |     "mapbox:type": "template",
   7 |     "mapbox:groups": {
   8 |       "b6371a3f2f5a9932464fa3867530a2e5": {
   9 |         "name": "Transportation",
  10 |         "collapsed": false
  11 |       },
  12 |       "a14c9607bc7954ba1df7205bf660433f": {
  13 |         "name": "Boundaries"
  14 |       },
  15 |       "101da9f13b64a08fa4b6ac1168e89e5f": {
  16 |         "name": "Places",
  17 |         "collapsed": false
  18 |       }
  19 |     },
  20 |     "openmaptiles:version": "3.x",
  21 |     "openmaptiles:mapbox:owner": "openmaptiles",
  22 |     "openmaptiles:mapbox:source:url": "mapbox://openmaptiles.4qljc88t"
  23 |   },
  24 |   "center": [
  25 |     10.184401828277089,
  26 |     -1.1368683772161603e-13
  27 |   ],
  28 |   "zoom": 0.8902641636539237,
  29 |   "bearing": 0,
  30 |   "pitch": 0,
  31 |   "sources": {
  32 |     "openmaptiles": {
  33 |       "type": "vector",
  34 |       "url": "https://free.tilehosting.com/data/v3.json?key={key}"
  35 |     }
  36 |   },
  37 |   "sprite": "https://openmaptiles.github.io/positron-gl-style/sprite",
  38 |   "glyphs": "https://free.tilehosting.com/fonts/{fontstack}/{range}.pbf?key={key}",
  39 |   "layers": [
  40 |     {
  41 |       "id": "background",
  42 |       "type": "background",
  43 |       "paint": {
  44 |         "background-color": "rgb(242,243,240)"
  45 |       }
  46 |     },
  47 |     {
  48 |       "id": "park",
  49 |       "type": "fill",
  50 |       "source": "openmaptiles",
  51 |       "source-layer": "park",
  52 |       "filter": [
  53 |         "==",
  54 |         "$type",
  55 |         "Polygon"
  56 |       ],
  57 |       "layout": {
  58 |         "visibility": "visible"
  59 |       },
  60 |       "paint": {
  61 |         "fill-color": "rgb(230, 233, 229)"
  62 |       }
  63 |     },
  64 |     {
  65 |       "id": "water",
  66 |       "type": "fill",
  67 |       "source": "openmaptiles",
  68 |       "source-layer": "water",
  69 |       "filter": [
  70 |         "==",
  71 |         "$type",
  72 |         "Polygon"
  73 |       ],
  74 |       "layout": {
  75 |         "visibility": "visible"
  76 |       },
  77 |       "paint": {
  78 |         "fill-color": "rgb(194, 200, 202)",
  79 |         "fill-antialias": true,
  80 |         "fill-outline-color": {
  81 |           "base": 1,
  82 |           "stops": [
  83 |             [
  84 |               0,
  85 |               "hsla(180, 6%, 63%, 0.82)"
  86 |             ],
  87 |             [
  88 |               22,
  89 |               "hsla(180, 6%, 63%, 0.18)"
  90 |             ]
  91 |           ]
  92 |         }
  93 |       }
  94 |     },
  95 |     {
  96 |       "id": "landcover_ice_shelf",
  97 |       "type": "fill",
  98 |       "source": "openmaptiles",
  99 |       "source-layer": "landcover",
 100 |       "maxzoom": 8,
 101 |       "filter": [
 102 |         "all",
 103 |         [
 104 |           "==",
 105 |           "$type",
 106 |           "Polygon"
 107 |         ],
 108 |         [
 109 |           "==",
 110 |           "subclass",
 111 |           "ice_shelf"
 112 |         ]
 113 |       ],
 114 |       "layout": {
 115 |         "visibility": "visible"
 116 |       },
 117 |       "paint": {
 118 |         "fill-color": "hsl(0, 0%, 98%)",
 119 |         "fill-opacity": 0.7
 120 |       }
 121 |     },
 122 |     {
 123 |       "id": "landcover_glacier",
 124 |       "type": "fill",
 125 |       "source": "openmaptiles",
 126 |       "source-layer": "landcover",
 127 |       "maxzoom": 8,
 128 |       "filter": [
 129 |         "all",
 130 |         [
 131 |           "==",
 132 |           "$type",
 133 |           "Polygon"
 134 |         ],
 135 |         [
 136 |           "==",
 137 |           "subclass",
 138 |           "glacier"
 139 |         ]
 140 |       ],
 141 |       "layout": {
 142 |         "visibility": "visible"
 143 |       },
 144 |       "paint": {
 145 |         "fill-color": "hsl(0, 0%, 98%)",
 146 |         "fill-opacity": {
 147 |           "base": 1,
 148 |           "stops": [
 149 |             [
 150 |               0,
 151 |               1
 152 |             ],
 153 |             [
 154 |               8,
 155 |               0.5
 156 |             ]
 157 |           ]
 158 |         }
 159 |       }
 160 |     },
 161 |     {
 162 |       "id": "landuse_residential",
 163 |       "type": "fill",
 164 |       "source": "openmaptiles",
 165 |       "source-layer": "landuse",
 166 |       "maxzoom": 16,
 167 |       "filter": [
 168 |         "all",
 169 |         [
 170 |           "==",
 171 |           "$type",
 172 |           "Polygon"
 173 |         ],
 174 |         [
 175 |           "==",
 176 |           "class",
 177 |           "residential"
 178 |         ]
 179 |       ],
 180 |       "layout": {
 181 |         "visibility": "visible"
 182 |       },
 183 |       "paint": {
 184 |         "fill-color": "rgb(234, 234, 230)",
 185 |         "fill-opacity": {
 186 |           "base": 0.6,
 187 |           "stops": [
 188 |             [
 189 |               8,
 190 |               0.8
 191 |             ],
 192 |             [
 193 |               9,
 194 |               0.6
 195 |             ]
 196 |           ]
 197 |         }
 198 |       }
 199 |     },
 200 |     {
 201 |       "id": "landcover_wood",
 202 |       "type": "fill",
 203 |       "source": "openmaptiles",
 204 |       "source-layer": "landcover",
 205 |       "minzoom": 10,
 206 |       "filter": [
 207 |         "all",
 208 |         [
 209 |           "==",
 210 |           "$type",
 211 |           "Polygon"
 212 |         ],
 213 |         [
 214 |           "==",
 215 |           "class",
 216 |           "wood"
 217 |         ]
 218 |       ],
 219 |       "layout": {
 220 |         "visibility": "visible"
 221 |       },
 222 |       "paint": {
 223 |         "fill-color": "rgb(220,224,220)",
 224 |         "fill-opacity": {
 225 |           "base": 1,
 226 |           "stops": [
 227 |             [
 228 |               8,
 229 |               0
 230 |             ],
 231 |             [
 232 |               12,
 233 |               1
 234 |             ]
 235 |           ]
 236 |         }
 237 |       }
 238 |     },
 239 |     {
 240 |       "id": "waterway",
 241 |       "type": "line",
 242 |       "source": "openmaptiles",
 243 |       "source-layer": "waterway",
 244 |       "filter": [
 245 |         "==",
 246 |         "$type",
 247 |         "LineString"
 248 |       ],
 249 |       "layout": {
 250 |         "visibility": "visible"
 251 |       },
 252 |       "paint": {
 253 |         "line-color": "hsl(195, 17%, 78%)"
 254 |       }
 255 |     },
 256 |     {
 257 |       "id": "water_name",
 258 |       "type": "symbol",
 259 |       "source": "openmaptiles",
 260 |       "source-layer": "water_name",
 261 |       "filter": [
 262 |         "==",
 263 |         "$type",
 264 |         "LineString"
 265 |       ],
 266 |       "layout": {
 267 |         "text-field": "{name}",
 268 |         "symbol-placement": "line",
 269 |         "text-rotation-alignment": "map",
 270 |         "symbol-spacing": 500,
 271 |         "text-font": [
 272 |           "Metropolis Medium Italic",
 273 |           "Klokantech Noto Sans Italic",
 274 |           "Klokantech Noto Sans CJK Regular"
 275 |         ],
 276 |         "text-size": 12
 277 |       },
 278 |       "paint": {
 279 |         "text-color": "rgb(157,169,177)",
 280 |         "text-halo-color": "rgb(242,243,240)",
 281 |         "text-halo-width": 1,
 282 |         "text-halo-blur": 1
 283 |       }
 284 |     },
 285 |     {
 286 |       "id": "building",
 287 |       "type": "fill",
 288 |       "source": "openmaptiles",
 289 |       "source-layer": "building",
 290 |       "minzoom": 12,
 291 |       "filter": [
 292 |         "==",
 293 |         "$type",
 294 |         "Polygon"
 295 |       ],
 296 |       "paint": {
 297 |         "fill-color": "rgb(234, 234, 229)",
 298 |         "fill-outline-color": "rgb(219, 219, 218)",
 299 |         "fill-antialias": true
 300 |       }
 301 |     },
 302 |     {
 303 |       "id": "tunnel_motorway_casing",
 304 |       "type": "line",
 305 |       "metadata": {
 306 |         "mapbox:group": "b6371a3f2f5a9932464fa3867530a2e5"
 307 |       },
 308 |       "source": "openmaptiles",
 309 |       "source-layer": "transportation",
 310 |       "minzoom": 6,
 311 |       "filter": [
 312 |         "all",
 313 |         [
 314 |           "==",
 315 |           "$type",
 316 |           "LineString"
 317 |         ],
 318 |         [
 319 |           "all",
 320 |           [
 321 |             "==",
 322 |             "brunnel",
 323 |             "tunnel"
 324 |           ],
 325 |           [
 326 |             "==",
 327 |             "class",
 328 |             "motorway"
 329 |           ]
 330 |         ]
 331 |       ],
 332 |       "layout": {
 333 |         "line-cap": "butt",
 334 |         "line-join": "miter",
 335 |         "visibility": "visible"
 336 |       },
 337 |       "paint": {
 338 |         "line-color": "rgb(213, 213, 213)",
 339 |         "line-width": {
 340 |           "base": 1.4,
 341 |           "stops": [
 342 |             [
 343 |               5.8,
 344 |               0
 345 |             ],
 346 |             [
 347 |               6,
 348 |               3
 349 |             ],
 350 |             [
 351 |               20,
 352 |               40
 353 |             ]
 354 |           ]
 355 |         },
 356 |         "line-opacity": 1
 357 |       }
 358 |     },
 359 |     {
 360 |       "id": "tunnel_motorway_inner",
 361 |       "type": "line",
 362 |       "metadata": {
 363 |         "mapbox:group": "b6371a3f2f5a9932464fa3867530a2e5"
 364 |       },
 365 |       "source": "openmaptiles",
 366 |       "source-layer": "transportation",
 367 |       "minzoom": 6,
 368 |       "filter": [
 369 |         "all",
 370 |         [
 371 |           "==",
 372 |           "$type",
 373 |           "LineString"
 374 |         ],
 375 |         [
 376 |           "all",
 377 |           [
 378 |             "==",
 379 |             "brunnel",
 380 |             "tunnel"
 381 |           ],
 382 |           [
 383 |             "==",
 384 |             "class",
 385 |             "motorway"
 386 |           ]
 387 |         ]
 388 |       ],
 389 |       "layout": {
 390 |         "line-cap": "round",
 391 |         "line-join": "round",
 392 |         "visibility": "visible"
 393 |       },
 394 |       "paint": {
 395 |         "line-color": "rgb(234,234,234)",
 396 |         "line-width": {
 397 |           "base": 1.4,
 398 |           "stops": [
 399 |             [
 400 |               4,
 401 |               2
 402 |             ],
 403 |             [
 404 |               6,
 405 |               1.3
 406 |             ],
 407 |             [
 408 |               20,
 409 |               30
 410 |             ]
 411 |           ]
 412 |         }
 413 |       }
 414 |     },
 415 |     {
 416 |       "id": "aeroway-taxiway",
 417 |       "type": "line",
 418 |       "metadata": {
 419 |         "mapbox:group": "1444849345966.4436"
 420 |       },
 421 |       "source": "openmaptiles",
 422 |       "source-layer": "aeroway",
 423 |       "minzoom": 12,
 424 |       "filter": [
 425 |         "all",
 426 |         [
 427 |           "in",
 428 |           "class",
 429 |           "taxiway"
 430 |         ]
 431 |       ],
 432 |       "layout": {
 433 |         "line-cap": "round",
 434 |         "line-join": "round",
 435 |         "visibility": "visible"
 436 |       },
 437 |       "paint": {
 438 |         "line-color": "hsl(0, 0%, 88%)",
 439 |         "line-width": {
 440 |           "base": 1.55,
 441 |           "stops": [
 442 |             [
 443 |               13,
 444 |               1.8
 445 |             ],
 446 |             [
 447 |               20,
 448 |               20
 449 |             ]
 450 |           ]
 451 |         },
 452 |         "line-opacity": 1
 453 |       }
 454 |     },
 455 |     {
 456 |       "id": "aeroway-runway-casing",
 457 |       "type": "line",
 458 |       "metadata": {
 459 |         "mapbox:group": "1444849345966.4436"
 460 |       },
 461 |       "source": "openmaptiles",
 462 |       "source-layer": "aeroway",
 463 |       "minzoom": 11,
 464 |       "filter": [
 465 |         "all",
 466 |         [
 467 |           "in",
 468 |           "class",
 469 |           "runway"
 470 |         ]
 471 |       ],
 472 |       "layout": {
 473 |         "line-cap": "round",
 474 |         "line-join": "round",
 475 |         "visibility": "visible"
 476 |       },
 477 |       "paint": {
 478 |         "line-color": "hsl(0, 0%, 88%)",
 479 |         "line-width": {
 480 |           "base": 1.5,
 481 |           "stops": [
 482 |             [
 483 |               11,
 484 |               6
 485 |             ],
 486 |             [
 487 |               17,
 488 |               55
 489 |             ]
 490 |           ]
 491 |         },
 492 |         "line-opacity": 1
 493 |       }
 494 |     },
 495 |     {
 496 |       "id": "aeroway-area",
 497 |       "type": "fill",
 498 |       "metadata": {
 499 |         "mapbox:group": "1444849345966.4436"
 500 |       },
 501 |       "source": "openmaptiles",
 502 |       "source-layer": "aeroway",
 503 |       "minzoom": 4,
 504 |       "filter": [
 505 |         "all",
 506 |         [
 507 |           "==",
 508 |           "$type",
 509 |           "Polygon"
 510 |         ],
 511 |         [
 512 |           "in",
 513 |           "class",
 514 |           "runway",
 515 |           "taxiway"
 516 |         ]
 517 |       ],
 518 |       "layout": {
 519 |         "visibility": "visible"
 520 |       },
 521 |       "paint": {
 522 |         "fill-opacity": {
 523 |           "base": 1,
 524 |           "stops": [
 525 |             [
 526 |               13,
 527 |               0
 528 |             ],
 529 |             [
 530 |               14,
 531 |               1
 532 |             ]
 533 |           ]
 534 |         },
 535 |         "fill-color": "rgba(255, 255, 255, 1)"
 536 |       }
 537 |     },
 538 |     {
 539 |       "id": "aeroway-runway",
 540 |       "type": "line",
 541 |       "metadata": {
 542 |         "mapbox:group": "1444849345966.4436"
 543 |       },
 544 |       "source": "openmaptiles",
 545 |       "source-layer": "aeroway",
 546 |       "minzoom": 11,
 547 |       "maxzoom": 24,
 548 |       "filter": [
 549 |         "all",
 550 |         [
 551 |           "in",
 552 |           "class",
 553 |           "runway"
 554 |         ],
 555 |         [
 556 |           "==",
 557 |           "$type",
 558 |           "LineString"
 559 |         ]
 560 |       ],
 561 |       "layout": {
 562 |         "line-cap": "round",
 563 |         "line-join": "round",
 564 |         "visibility": "visible"
 565 |       },
 566 |       "paint": {
 567 |         "line-color": "rgba(255, 255, 255, 1)",
 568 |         "line-width": {
 569 |           "base": 1.5,
 570 |           "stops": [
 571 |             [
 572 |               11,
 573 |               4
 574 |             ],
 575 |             [
 576 |               17,
 577 |               50
 578 |             ]
 579 |           ]
 580 |         },
 581 |         "line-opacity": 1
 582 |       }
 583 |     },
 584 |     {
 585 |       "id": "highway_path",
 586 |       "type": "line",
 587 |       "metadata": {
 588 |         "mapbox:group": "b6371a3f2f5a9932464fa3867530a2e5"
 589 |       },
 590 |       "source": "openmaptiles",
 591 |       "source-layer": "transportation",
 592 |       "filter": [
 593 |         "all",
 594 |         [
 595 |           "==",
 596 |           "$type",
 597 |           "LineString"
 598 |         ],
 599 |         [
 600 |           "==",
 601 |           "class",
 602 |           "path"
 603 |         ]
 604 |       ],
 605 |       "layout": {
 606 |         "line-cap": "round",
 607 |         "line-join": "round",
 608 |         "visibility": "visible"
 609 |       },
 610 |       "paint": {
 611 |         "line-color": "rgb(234, 234, 234)",
 612 |         "line-width": {
 613 |           "base": 1.2,
 614 |           "stops": [
 615 |             [
 616 |               13,
 617 |               1
 618 |             ],
 619 |             [
 620 |               20,
 621 |               10
 622 |             ]
 623 |           ]
 624 |         },
 625 |         "line-opacity": 0.9
 626 |       }
 627 |     },
 628 |     {
 629 |       "id": "highway_minor",
 630 |       "type": "line",
 631 |       "metadata": {
 632 |         "mapbox:group": "b6371a3f2f5a9932464fa3867530a2e5"
 633 |       },
 634 |       "source": "openmaptiles",
 635 |       "source-layer": "transportation",
 636 |       "minzoom": 8,
 637 |       "filter": [
 638 |         "all",
 639 |         [
 640 |           "==",
 641 |           "$type",
 642 |           "LineString"
 643 |         ],
 644 |         [
 645 |           "in",
 646 |           "class",
 647 |           "minor",
 648 |           "service",
 649 |           "track"
 650 |         ]
 651 |       ],
 652 |       "layout": {
 653 |         "line-cap": "round",
 654 |         "line-join": "round",
 655 |         "visibility": "visible"
 656 |       },
 657 |       "paint": {
 658 |         "line-color": "hsl(0, 0%, 88%)",
 659 |         "line-width": {
 660 |           "base": 1.55,
 661 |           "stops": [
 662 |             [
 663 |               13,
 664 |               1.8
 665 |             ],
 666 |             [
 667 |               20,
 668 |               20
 669 |             ]
 670 |           ]
 671 |         },
 672 |         "line-opacity": 0.9
 673 |       }
 674 |     },
 675 |     {
 676 |       "id": "highway_major_casing",
 677 |       "type": "line",
 678 |       "metadata": {
 679 |         "mapbox:group": "b6371a3f2f5a9932464fa3867530a2e5"
 680 |       },
 681 |       "source": "openmaptiles",
 682 |       "source-layer": "transportation",
 683 |       "minzoom": 11,
 684 |       "filter": [
 685 |         "all",
 686 |         [
 687 |           "==",
 688 |           "$type",
 689 |           "LineString"
 690 |         ],
 691 |         [
 692 |           "in",
 693 |           "class",
 694 |           "primary",
 695 |           "secondary",
 696 |           "tertiary",
 697 |           "trunk"
 698 |         ]
 699 |       ],
 700 |       "layout": {
 701 |         "line-cap": "butt",
 702 |         "line-join": "miter",
 703 |         "visibility": "visible"
 704 |       },
 705 |       "paint": {
 706 |         "line-color": "rgb(213, 213, 213)",
 707 |         "line-dasharray": [
 708 |           12,
 709 |           0
 710 |         ],
 711 |         "line-width": {
 712 |           "base": 1.3,
 713 |           "stops": [
 714 |             [
 715 |               10,
 716 |               3
 717 |             ],
 718 |             [
 719 |               20,
 720 |               23
 721 |             ]
 722 |           ]
 723 |         }
 724 |       }
 725 |     },
 726 |     {
 727 |       "id": "highway_major_inner",
 728 |       "type": "line",
 729 |       "metadata": {
 730 |         "mapbox:group": "b6371a3f2f5a9932464fa3867530a2e5"
 731 |       },
 732 |       "source": "openmaptiles",
 733 |       "source-layer": "transportation",
 734 |       "minzoom": 11,
 735 |       "filter": [
 736 |         "all",
 737 |         [
 738 |           "==",
 739 |           "$type",
 740 |           "LineString"
 741 |         ],
 742 |         [
 743 |           "in",
 744 |           "class",
 745 |           "primary",
 746 |           "secondary",
 747 |           "tertiary",
 748 |           "trunk"
 749 |         ]
 750 |       ],
 751 |       "layout": {
 752 |         "line-cap": "round",
 753 |         "line-join": "round",
 754 |         "visibility": "visible"
 755 |       },
 756 |       "paint": {
 757 |         "line-color": "#fff",
 758 |         "line-width": {
 759 |           "base": 1.3,
 760 |           "stops": [
 761 |             [
 762 |               10,
 763 |               2
 764 |             ],
 765 |             [
 766 |               20,
 767 |               20
 768 |             ]
 769 |           ]
 770 |         }
 771 |       }
 772 |     },
 773 |     {
 774 |       "id": "highway_major_subtle",
 775 |       "type": "line",
 776 |       "metadata": {
 777 |         "mapbox:group": "b6371a3f2f5a9932464fa3867530a2e5"
 778 |       },
 779 |       "source": "openmaptiles",
 780 |       "source-layer": "transportation",
 781 |       "maxzoom": 11,
 782 |       "filter": [
 783 |         "all",
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 801 |         "visibility": "visible"
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 828 |             "brunnel",
 829 |             "bridge",
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 834 |             "class",
 835 |             "motorway"
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 938 |     },
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1001 |           [
1002 |             "==",
1003 |             "class",
1004 |             "rail"
1005 |           ],
1006 |           [
1007 |             "has",
1008 |             "service"
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1012 |       "layout": {
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1014 |         "line-join": "round"
1015 |       },
1016 |       "paint": {
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1018 |         "line-width": 3
1019 |       }
1020 |     },
1021 |     {
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1023 |       "type": "line",
1024 |       "metadata": {
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1040 |           "rail"
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1044 |           "service"
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1056 |           3
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1060 |     {
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1080 |             "service"
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1109 |     },
1110 |     {
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1112 |       "type": "line",
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1128 |           [
1129 |             "!has",
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1177 |           "$type",
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1181 |           "all",
1182 |           [
1183 |             "==",
1184 |             "brunnel",
1185 |             "bridge"
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1187 |           [
1188 |             "==",
1189 |             "class",
1190 |             "motorway"
1191 |           ]
1192 |         ]
1193 |       ],
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1197 |         "visibility": "visible"
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1220 |           0
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1222 |         "line-opacity": 1
1223 |       }
1224 |     },
1225 |     {
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1227 |       "type": "line",
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1242 |           "all",
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1244 |             "==",
1245 |             "brunnel",
1246 |             "bridge"
1247 |           ],
1248 |           [
1249 |             "==",
1250 |             "class",
1251 |             "motorway"
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1257 |         "line-join": "round",
1258 |         "visibility": "visible"
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1270 |               "#fff"
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1279 |               2
1280 |             ],
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1283 |               1.3
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1287 |               30
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1290 |         }
1291 |       }
1292 |     },
1293 |     {
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1295 |       "type": "symbol",
1296 |       "metadata": {
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1300 |       "source-layer": "transportation_name",
1301 |       "filter": [
1302 |         "all",
1303 |         [
1304 |           "!=",
1305 |           "class",
1306 |           "motorway"
1307 |         ],
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1310 |           "$type",
1311 |           "LineString"
1312 |         ]
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1317 |         "text-transform": "uppercase",
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1321 |           "Klokantech Noto Sans Regular",
1322 |           "Klokantech Noto Sans CJK Regular"
1323 |         ],
1324 |         "symbol-placement": "line",
1325 |         "visibility": "visible",
1326 |         "text-rotation-alignment": "map",
1327 |         "text-pitch-alignment": "viewport",
1328 |         "text-field": "{name}"
1329 |       },
1330 |       "paint": {
1331 |         "text-color": "#bbb",
1332 |         "text-halo-color": "#fff",
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1335 |           0
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1337 |         "text-halo-width": 2,
1338 |         "text-halo-blur": 1
1339 |       }
1340 |     },
1341 |     {
1342 |       "id": "highway_name_motorway",
1343 |       "type": "symbol",
1344 |       "metadata": {
1345 |         "mapbox:group": "b6371a3f2f5a9932464fa3867530a2e5"
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1347 |       "source": "openmaptiles",
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1357 |           "==",
1358 |           "class",
1359 |           "motorway"
1360 |         ]
1361 |       ],
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1364 |         "symbol-spacing": 350,
1365 |         "text-font": [
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1367 |           "Klokantech Noto Sans Regular",
1368 |           "Klokantech Noto Sans CJK Regular"
1369 |         ],
1370 |         "symbol-placement": "line",
1371 |         "visibility": "visible",
1372 |         "text-rotation-alignment": "viewport",
1373 |         "text-pitch-alignment": "viewport",
1374 |         "text-field": "{ref}"
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1377 |         "text-color": "rgb(117, 129, 145)",
1378 |         "text-halo-color": "hsl(0, 0%, 100%)",
1379 |         "text-translate": [
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1381 |           2
1382 |         ],
1383 |         "text-halo-width": 1,
1384 |         "text-halo-blur": 1
1385 |       }
1386 |     },
1387 |     {
1388 |       "id": "boundary_state",
1389 |       "type": "line",
1390 |       "metadata": {
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1392 |       },
1393 |       "source": "openmaptiles",
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1395 |       "filter": [
1396 |         "==",
1397 |         "admin_level",
1398 |         4
1399 |       ],
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1401 |         "line-cap": "round",
1402 |         "line-join": "round",
1403 |         "visibility": "visible"
1404 |       },
1405 |       "paint": {
1406 |         "line-color": "rgb(230, 204, 207)",
1407 |         "line-width": {
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1409 |           "stops": [
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1411 |               3,
1412 |               1
1413 |             ],
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1416 |               15
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1418 |           ]
1419 |         },
1420 |         "line-blur": 0.4,
1421 |         "line-dasharray": [
1422 |           2,
1423 |           2
1424 |         ],
1425 |         "line-opacity": 1
1426 |       }
1427 |     },
1428 |     {
1429 |       "id": "boundary_country",
1430 |       "type": "line",
1431 |       "metadata": {
1432 |         "mapbox:group": "a14c9607bc7954ba1df7205bf660433f"
1433 |       },
1434 |       "source": "openmaptiles",
1435 |       "source-layer": "boundary",
1436 |       "filter": [
1437 |         "==",
1438 |         "admin_level",
1439 |         2
1440 |       ],
1441 |       "layout": {
1442 |         "line-cap": "round",
1443 |         "line-join": "round"
1444 |       },
1445 |       "paint": {
1446 |         "line-color": "rgb(230, 204, 207)",
1447 |         "line-width": {
1448 |           "base": 1.1,
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1451 |               3,
1452 |               1
1453 |             ],
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1455 |               22,
1456 |               20
1457 |             ]
1458 |           ]
1459 |         },
1460 |         "line-blur": {
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1462 |           "stops": [
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1464 |               0,
1465 |               0.4
1466 |             ],
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1468 |               22,
1469 |               4
1470 |             ]
1471 |           ]
1472 |         },
1473 |         "line-opacity": 1
1474 |       }
1475 |     },
1476 |     {
1477 |       "id": "place_other",
1478 |       "type": "symbol",
1479 |       "metadata": {
1480 |         "mapbox:group": "101da9f13b64a08fa4b6ac1168e89e5f"
1481 |       },
1482 |       "source": "openmaptiles",
1483 |       "source-layer": "place",
1484 |       "maxzoom": 14,
1485 |       "filter": [
1486 |         "all",
1487 |         [
1488 |           "!in",
1489 |           "class",
1490 |           "city",
1491 |           "suburb",
1492 |           "town",
1493 |           "village"
1494 |         ],
1495 |         [
1496 |           "==",
1497 |           "$type",
1498 |           "Point"
1499 |         ]
1500 |       ],
1501 |       "layout": {
1502 |         "text-size": 10,
1503 |         "text-transform": "uppercase",
1504 |         "text-font": [
1505 |           "Metropolis Regular",
1506 |           "Klokantech Noto Sans Regular",
1507 |           "Klokantech Noto Sans CJK Regular"
1508 |         ],
1509 |         "text-justify": "center",
1510 |         "visibility": "visible",
1511 |         "text-offset": [
1512 |           0.5,
1513 |           0
1514 |         ],
1515 |         "text-anchor": "center",
1516 |         "text-field": "{name_en}"
1517 |       },
1518 |       "paint": {
1519 |         "text-color": "rgb(117, 129, 145)",
1520 |         "text-halo-color": "rgb(242,243,240)",
1521 |         "text-halo-width": 1,
1522 |         "text-halo-blur": 1
1523 |       }
1524 |     },
1525 |     {
1526 |       "id": "place_suburb",
1527 |       "type": "symbol",
1528 |       "metadata": {
1529 |         "mapbox:group": "101da9f13b64a08fa4b6ac1168e89e5f"
1530 |       },
1531 |       "source": "openmaptiles",
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1533 |       "maxzoom": 15,
1534 |       "filter": [
1535 |         "all",
1536 |         [
1537 |           "==",
1538 |           "$type",
1539 |           "Point"
1540 |         ],
1541 |         [
1542 |           "==",
1543 |           "class",
1544 |           "suburb"
1545 |         ]
1546 |       ],
1547 |       "layout": {
1548 |         "text-size": 10,
1549 |         "text-transform": "uppercase",
1550 |         "text-font": [
1551 |           "Metropolis Regular",
1552 |           "Klokantech Noto Sans Regular",
1553 |           "Klokantech Noto Sans CJK Regular"
1554 |         ],
1555 |         "text-justify": "center",
1556 |         "visibility": "visible",
1557 |         "text-offset": [
1558 |           0.5,
1559 |           0
1560 |         ],
1561 |         "text-anchor": "center",
1562 |         "text-field": "{name_en}"
1563 |       },
1564 |       "paint": {
1565 |         "text-color": "rgb(117, 129, 145)",
1566 |         "text-halo-color": "rgb(242,243,240)",
1567 |         "text-halo-width": 1,
1568 |         "text-halo-blur": 1
1569 |       }
1570 |     },
1571 |     {
1572 |       "id": "place_village",
1573 |       "type": "symbol",
1574 |       "metadata": {
1575 |         "mapbox:group": "101da9f13b64a08fa4b6ac1168e89e5f"
1576 |       },
1577 |       "source": "openmaptiles",
1578 |       "source-layer": "place",
1579 |       "maxzoom": 14,
1580 |       "filter": [
1581 |         "all",
1582 |         [
1583 |           "==",
1584 |           "$type",
1585 |           "Point"
1586 |         ],
1587 |         [
1588 |           "==",
1589 |           "class",
1590 |           "village"
1591 |         ]
1592 |       ],
1593 |       "layout": {
1594 |         "text-size": 10,
1595 |         "text-transform": "uppercase",
1596 |         "text-font": [
1597 |           "Metropolis Regular",
1598 |           "Klokantech Noto Sans Regular",
1599 |           "Klokantech Noto Sans CJK Regular"
1600 |         ],
1601 |         "text-justify": "left",
1602 |         "visibility": "visible",
1603 |         "text-offset": [
1604 |           0.5,
1605 |           0.2
1606 |         ],
1607 |         "icon-size": 0.4,
1608 |         "text-anchor": "left",
1609 |         "text-field": "{name_en}"
1610 |       },
1611 |       "paint": {
1612 |         "text-color": "rgb(117, 129, 145)",
1613 |         "text-halo-color": "rgb(242,243,240)",
1614 |         "text-halo-width": 1,
1615 |         "text-halo-blur": 1,
1616 |         "icon-opacity": 0.7
1617 |       }
1618 |     },
1619 |     {
1620 |       "id": "place_town",
1621 |       "type": "symbol",
1622 |       "metadata": {
1623 |         "mapbox:group": "101da9f13b64a08fa4b6ac1168e89e5f"
1624 |       },
1625 |       "source": "openmaptiles",
1626 |       "source-layer": "place",
1627 |       "maxzoom": 15,
1628 |       "filter": [
1629 |         "all",
1630 |         [
1631 |           "==",
1632 |           "$type",
1633 |           "Point"
1634 |         ],
1635 |         [
1636 |           "==",
1637 |           "class",
1638 |           "town"
1639 |         ]
1640 |       ],
1641 |       "layout": {
1642 |         "text-size": 10,
1643 |         "icon-image": {
1644 |           "base": 1,
1645 |           "stops": [
1646 |             [
1647 |               0,
1648 |               "circle-11"
1649 |             ],
1650 |             [
1651 |               8,
1652 |               ""
1653 |             ]
1654 |           ]
1655 |         },
1656 |         "text-transform": "uppercase",
1657 |         "text-font": [
1658 |           "Metropolis Regular",
1659 |           "Klokantech Noto Sans Regular",
1660 |           "Klokantech Noto Sans CJK Regular"
1661 |         ],
1662 |         "text-justify": "left",
1663 |         "visibility": "visible",
1664 |         "text-offset": [
1665 |           0.5,
1666 |           0.2
1667 |         ],
1668 |         "icon-size": 0.4,
1669 |         "text-anchor": {
1670 |           "base": 1,
1671 |           "stops": [
1672 |             [
1673 |               0,
1674 |               "left"
1675 |             ],
1676 |             [
1677 |               8,
1678 |               "center"
1679 |             ]
1680 |           ]
1681 |         },
1682 |         "text-field": "{name_en}"
1683 |       },
1684 |       "paint": {
1685 |         "text-color": "rgb(117, 129, 145)",
1686 |         "text-halo-color": "rgb(242,243,240)",
1687 |         "text-halo-width": 1,
1688 |         "text-halo-blur": 1,
1689 |         "icon-opacity": 0.7
1690 |       }
1691 |     },
1692 |     {
1693 |       "id": "place_city",
1694 |       "type": "symbol",
1695 |       "metadata": {
1696 |         "mapbox:group": "101da9f13b64a08fa4b6ac1168e89e5f"
1697 |       },
1698 |       "source": "openmaptiles",
1699 |       "source-layer": "place",
1700 |       "maxzoom": 14,
1701 |       "filter": [
1702 |         "all",
1703 |         [
1704 |           "==",
1705 |           "$type",
1706 |           "Point"
1707 |         ],
1708 |         [
1709 |           "all",
1710 |           [
1711 |             "!=",
1712 |             "capital",
1713 |             2
1714 |           ],
1715 |           [
1716 |             "==",
1717 |             "class",
1718 |             "city"
1719 |           ],
1720 |           [
1721 |             ">",
1722 |             "rank",
1723 |             3
1724 |           ]
1725 |         ]
1726 |       ],
1727 |       "layout": {
1728 |         "text-size": 10,
1729 |         "icon-image": {
1730 |           "base": 1,
1731 |           "stops": [
1732 |             [
1733 |               0,
1734 |               "circle-11"
1735 |             ],
1736 |             [
1737 |               8,
1738 |               ""
1739 |             ]
1740 |           ]
1741 |         },
1742 |         "text-transform": "uppercase",
1743 |         "text-font": [
1744 |           "Metropolis Regular",
1745 |           "Klokantech Noto Sans Regular",
1746 |           "Klokantech Noto Sans CJK Regular"
1747 |         ],
1748 |         "text-justify": "left",
1749 |         "visibility": "visible",
1750 |         "text-offset": [
1751 |           0.5,
1752 |           0.2
1753 |         ],
1754 |         "icon-size": 0.4,
1755 |         "text-anchor": {
1756 |           "base": 1,
1757 |           "stops": [
1758 |             [
1759 |               0,
1760 |               "left"
1761 |             ],
1762 |             [
1763 |               8,
1764 |               "center"
1765 |             ]
1766 |           ]
1767 |         },
1768 |         "text-field": "{name_en}"
1769 |       },
1770 |       "paint": {
1771 |         "text-color": "rgb(117, 129, 145)",
1772 |         "text-halo-color": "rgb(242,243,240)",
1773 |         "text-halo-width": 1,
1774 |         "text-halo-blur": 1,
1775 |         "icon-opacity": 0.7
1776 |       }
1777 |     },
1778 |     {
1779 |       "id": "place_capital",
1780 |       "type": "symbol",
1781 |       "metadata": {
1782 |         "mapbox:group": "101da9f13b64a08fa4b6ac1168e89e5f"
1783 |       },
1784 |       "source": "openmaptiles",
1785 |       "source-layer": "place",
1786 |       "maxzoom": 12,
1787 |       "filter": [
1788 |         "all",
1789 |         [
1790 |           "==",
1791 |           "$type",
1792 |           "Point"
1793 |         ],
1794 |         [
1795 |           "all",
1796 |           [
1797 |             "==",
1798 |             "capital",
1799 |             2
1800 |           ],
1801 |           [
1802 |             "==",
1803 |             "class",
1804 |             "city"
1805 |           ]
1806 |         ]
1807 |       ],
1808 |       "layout": {
1809 |         "text-size": 14,
1810 |         "icon-image": {
1811 |           "base": 1,
1812 |           "stops": [
1813 |             [
1814 |               0,
1815 |               "star-11"
1816 |             ],
1817 |             [
1818 |               8,
1819 |               ""
1820 |             ]
1821 |           ]
1822 |         },
1823 |         "text-transform": "uppercase",
1824 |         "text-font": [
1825 |           "Metropolis Regular",
1826 |           "Klokantech Noto Sans Regular",
1827 |           "Klokantech Noto Sans CJK Regular"
1828 |         ],
1829 |         "text-justify": "left",
1830 |         "visibility": "visible",
1831 |         "text-offset": [
1832 |           0.5,
1833 |           0.2
1834 |         ],
1835 |         "icon-size": 1,
1836 |         "text-anchor": {
1837 |           "base": 1,
1838 |           "stops": [
1839 |             [
1840 |               0,
1841 |               "left"
1842 |             ],
1843 |             [
1844 |               8,
1845 |               "center"
1846 |             ]
1847 |           ]
1848 |         },
1849 |         "text-field": "{name}"
1850 |       },
1851 |       "paint": {
1852 |         "text-color": "rgb(117, 129, 145)",
1853 |         "text-halo-color": "rgb(242,243,240)",
1854 |         "text-halo-width": 1,
1855 |         "text-halo-blur": 1,
1856 |         "icon-opacity": 0.7
1857 |       }
1858 |     },
1859 |     {
1860 |       "id": "place_city_large",
1861 |       "type": "symbol",
1862 |       "metadata": {
1863 |         "mapbox:group": "101da9f13b64a08fa4b6ac1168e89e5f"
1864 |       },
1865 |       "source": "openmaptiles",
1866 |       "source-layer": "place",
1867 |       "maxzoom": 12,
1868 |       "filter": [
1869 |         "all",
1870 |         [
1871 |           "==",
1872 |           "$type",
1873 |           "Point"
1874 |         ],
1875 |         [
1876 |           "all",
1877 |           [
1878 |             "!=",
1879 |             "capital",
1880 |             2
1881 |           ],
1882 |           [
1883 |             "<=",
1884 |             "rank",
1885 |             3
1886 |           ],
1887 |           [
1888 |             "==",
1889 |             "class",
1890 |             "city"
1891 |           ]
1892 |         ]
1893 |       ],
1894 |       "layout": {
1895 |         "text-size": 14,
1896 |         "icon-image": {
1897 |           "base": 1,
1898 |           "stops": [
1899 |             [
1900 |               0,
1901 |               "circle-11"
1902 |             ],
1903 |             [
1904 |               8,
1905 |               ""
1906 |             ]
1907 |           ]
1908 |         },
1909 |         "text-transform": "uppercase",
1910 |         "text-font": [
1911 |           "Metropolis Regular",
1912 |           "Klokantech Noto Sans Regular",
1913 |           "Klokantech Noto Sans CJK Regular"
1914 |         ],
1915 |         "text-justify": "left",
1916 |         "visibility": "visible",
1917 |         "text-offset": [
1918 |           0.5,
1919 |           0.2
1920 |         ],
1921 |         "icon-size": 0.4,
1922 |         "text-anchor": {
1923 |           "base": 1,
1924 |           "stops": [
1925 |             [
1926 |               0,
1927 |               "left"
1928 |             ],
1929 |             [
1930 |               8,
1931 |               "center"
1932 |             ]
1933 |           ]
1934 |         },
1935 |         "text-field": "{name}"
1936 |       },
1937 |       "paint": {
1938 |         "text-color": "rgb(117, 129, 145)",
1939 |         "text-halo-color": "rgb(242,243,240)",
1940 |         "text-halo-width": 1,
1941 |         "text-halo-blur": 1,
1942 |         "icon-opacity": 0.7
1943 |       }
1944 |     },
1945 |     {
1946 |       "id": "place_state",
1947 |       "type": "symbol",
1948 |       "metadata": {
1949 |         "mapbox:group": "101da9f13b64a08fa4b6ac1168e89e5f"
1950 |       },
1951 |       "source": "openmaptiles",
1952 |       "source-layer": "place",
1953 |       "maxzoom": 12,
1954 |       "filter": [
1955 |         "all",
1956 |         [
1957 |           "==",
1958 |           "$type",
1959 |           "Point"
1960 |         ],
1961 |         [
1962 |           "==",
1963 |           "class",
1964 |           "state"
1965 |         ]
1966 |       ],
1967 |       "layout": {
1968 |         "visibility": "visible",
1969 |         "text-field": "{name_en}",
1970 |         "text-font": [
1971 |           "Metropolis Regular",
1972 |           "Klokantech Noto Sans Regular",
1973 |           "Klokantech Noto Sans CJK Regular"
1974 |         ],
1975 |         "text-transform": "uppercase",
1976 |         "text-size": 10
1977 |       },
1978 |       "paint": {
1979 |         "text-color": "rgb(113, 129, 144)",
1980 |         "text-halo-color": "rgb(242,243,240)",
1981 |         "text-halo-width": 1,
1982 |         "text-halo-blur": 1
1983 |       }
1984 |     },
1985 |     {
1986 |       "id": "place_country_other",
1987 |       "type": "symbol",
1988 |       "metadata": {
1989 |         "mapbox:group": "101da9f13b64a08fa4b6ac1168e89e5f"
1990 |       },
1991 |       "source": "openmaptiles",
1992 |       "source-layer": "place",
1993 |       "maxzoom": 8,
1994 |       "filter": [
1995 |         "all",
1996 |         [
1997 |           "==",
1998 |           "$type",
1999 |           "Point"
2000 |         ],
2001 |         [
2002 |           "all",
2003 |           [
2004 |             "==",
2005 |             "class",
2006 |             "country"
2007 |           ],
2008 |           [
2009 |             ">=",
2010 |             "rank",
2011 |             2
2012 |           ]
2013 |         ]
2014 |       ],
2015 |       "layout": {
2016 |         "visibility": "visible",
2017 |         "text-field": "{name_en}",
2018 |         "text-font": [
2019 |           "Metropolis Regular",
2020 |           "Klokantech Noto Sans Regular",
2021 |           "Klokantech Noto Sans CJK Regular"
2022 |         ],
2023 |         "text-transform": "uppercase",
2024 |         "text-size": {
2025 |           "base": 1,
2026 |           "stops": [
2027 |             [
2028 |               0,
2029 |               10
2030 |             ],
2031 |             [
2032 |               6,
2033 |               12
2034 |             ]
2035 |           ]
2036 |         }
2037 |       },
2038 |       "paint": {
2039 |         "text-halo-width": 1.4,
2040 |         "text-halo-color": "rgba(236,236,234,0.7)",
2041 |         "text-color": {
2042 |           "base": 1,
2043 |           "stops": [
2044 |             [
2045 |               3,
2046 |               "rgb(157,169,177)"
2047 |             ],
2048 |             [
2049 |               4,
2050 |               "rgb(153, 153, 153)"
2051 |             ]
2052 |           ]
2053 |         }
2054 |       }
2055 |     },
2056 |     {
2057 |       "id": "place_country_major",
2058 |       "type": "symbol",
2059 |       "metadata": {
2060 |         "mapbox:group": "101da9f13b64a08fa4b6ac1168e89e5f"
2061 |       },
2062 |       "source": "openmaptiles",
2063 |       "source-layer": "place",
2064 |       "maxzoom": 6,
2065 |       "filter": [
2066 |         "all",
2067 |         [
2068 |           "==",
2069 |           "$type",
2070 |           "Point"
2071 |         ],
2072 |         [
2073 |           "all",
2074 |           [
2075 |             "<=",
2076 |             "rank",
2077 |             1
2078 |           ],
2079 |           [
2080 |             "==",
2081 |             "class",
2082 |             "country"
2083 |           ]
2084 |         ]
2085 |       ],
2086 |       "layout": {
2087 |         "visibility": "visible",
2088 |         "text-field": "{name_en}",
2089 |         "text-font": [
2090 |           "Metropolis Regular",
2091 |           "Klokantech Noto Sans Regular",
2092 |           "Klokantech Noto Sans CJK Regular"
2093 |         ],
2094 |         "text-transform": "uppercase",
2095 |         "text-size": {
2096 |           "base": 1.4,
2097 |           "stops": [
2098 |             [
2099 |               0,
2100 |               10
2101 |             ],
2102 |             [
2103 |               3,
2104 |               12
2105 |             ],
2106 |             [
2107 |               4,
2108 |               14
2109 |             ]
2110 |           ]
2111 |         },
2112 |         "text-anchor": "center"
2113 |       },
2114 |       "paint": {
2115 |         "text-halo-width": 1.4,
2116 |         "text-halo-color": "rgba(236,236,234,0.7)",
2117 |         "text-color": {
2118 |           "base": 1,
2119 |           "stops": [
2120 |             [
2121 |               3,
2122 |               "rgb(157,169,177)"
2123 |             ],
2124 |             [
2125 |               4,
2126 |               "rgb(153, 153, 153)"
2127 |             ]
2128 |           ]
2129 |         }
2130 |       }
2131 |     }
2132 |   ],
2133 |   "id": "ciwf3o3u2008z2pmq7pmvm6xq"
2134 | }


--------------------------------------------------------------------------------
/html/upload.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html>
 3 | <head>
 4 | <style>
 5 | body{
 6 |   background: rgba(0,0,0,0.9);
 7 | }
 8 | form{
 9 |   position: absolute;
10 |   top: 50%;
11 |   left: 50%;
12 |   margin-top: -100px;
13 |   margin-left: -250px;
14 |   width: 500px;
15 |   height: 200px;
16 |   border: 4px dashed #fff;
17 | }
18 | form p{
19 |   width: 100%;
20 |   height: 100%;
21 |   text-align: center;
22 |   line-height: 170px;
23 |   color: #ffffff;
24 |   font-family: Arial;
25 | }
26 | form input{
27 |   position: absolute;
28 |   margin: 0;
29 |   padding: 0;
30 |   width: 100%;
31 |   height: 100%;
32 |   outline: none;
33 |   opacity: 0;
34 | }
35 | form button{
36 |   margin: 0;
37 |   color: #fff;
38 |   background: #16a085;
39 |   border: none;
40 |   width: 508px;
41 |   height: 35px;
42 |   margin-top: -20px;
43 |   margin-left: -4px;
44 |   border-radius: 4px;
45 |   border-bottom: 4px solid #117A60;
46 |   transition: all .2s ease;
47 |   outline: none;
48 | }
49 | form button:hover{
50 |   background: #149174;
51 | 	color: #0C5645;
52 | }
53 | form button:active{
54 |   border:0;
55 | }
56 | </style>
57 | <script>
58 | function formChange() {
59 | 	var file = document.getElementById('file');
60 | 	var formtext = document.getElementById('formtext');
61 | 	formtext.innerHTML = file.files.length + " file(s) selected";
62 | }
63 | </script>
64 | </head>
65 | <body>
66 | <form id="uploadform" action="/upload" method="POST" enctype="multipart/form-data">
67 |   <input name="file" id="file" type="file" onChange="formChange()">
68 |   <p id="formtext">Drag your files here or click in this area.</p>
69 |   <button type="submit">Upload</button>
70 | </form>
71 | </body>
72 | </html>
73 | 


--------------------------------------------------------------------------------
/mvt_server.js:
--------------------------------------------------------------------------------
  1 | const compression = require('compression');
  2 | const express = require('express');
  3 | const multer  = require('multer');
  4 | const app = express();
  5 | const Pool = require('pg').Pool;
  6 | const SQL = require('sql-template-strings');
  7 | const fs = require('fs');
  8 | const unzip = require('unzipper');
  9 | const ogr2ogr = require('ogr2ogr')
 10 | const g_config = require(__dirname + '/config/config.json');
 11 | const g_styletemplate = require(__dirname + '/config/styletemplate.json');
 12 | process.on('unhandledRejection', function(e) {
 13 | 	console.log(e.message, e.stack);
 14 | })
 15 | 
 16 | const g_dbpools = {};
 17 | for (db in g_config.databases) {
 18 | 	console.log("Setting up pool for database '" + db + "'");
 19 | 	g_dbpools[db] = new Pool(g_config.databases[db]);
 20 | }
 21 | const g_sources = {};
 22 | const g_sourcedir = __dirname + '/' + g_config.sourcedir + '/';
 23 | fs.readdirSync(g_sourcedir).forEach(file => {
 24 | 	var matches = file.match(/^(\w+)\.json$/)
 25 | 	if (!matches){
 26 | 		console.log('Skipping unknown source file: ' + file);
 27 | 		return;
 28 | 	}
 29 | 	console.log('Reading source file ' + file);
 30 | 	var sourcename = matches[1];
 31 | 	try {
 32 | 		var json = fs.readFileSync(g_sourcedir + file, 'utf8');
 33 | 		var source = JSON.parse(json);
 34 | 		if (!g_dbpools.hasOwnProperty(source.database)) {
 35 | 			console.log("Unknown database '" + source.database + "' in " + file);
 36 | 			return;
 37 | 		}
 38 | 		g_sources[sourcename] = source;
 39 | 	} catch (err) {
 40 | 		console.log('Invalid source file: ' + file);
 41 | 	}
 42 | });
 43 | 
 44 | function JsonObject(attributes)
 45 | {
 46 | 	if (!attributes) {
 47 | 		return '';
 48 | 	}
 49 | 	var fieldlist = attributes.split(',');
 50 | 	var result = fieldlist.map(function(field){
 51 | 		field = field.replace(' AS ', ' as ');
 52 | 		field = field.split(' as ');
 53 | 		if (field.length == 2) {
 54 | 			return "'" + field[1].trim() + "'," + field[0].trim();
 55 | 		} else {
 56 | 			return "'" + field[0].trim() + "'," + field[0].trim();
 57 | 		}
 58 | 	});
 59 | 	var result = ", json_build_object(" + result.join(",") + ")::jsonb JSONB";
 60 | 	//console.log (result);
 61 | 	return result;
 62 | }
 63 | 
 64 | function make_extent(z, x, y) { // converts tile z, x, and y to PostGIS extent in EPSG:3857 (web mercator)
 65 | 	var max = 20037508.34;
 66 | 	var res = (max*2)/Math.pow(2,z);
 67 | 	return `ST_MakeEnvelope(${-max + (x * res)}, ${max - (y * res)}, ${-max + (x * res) + res}, ${max - (y * res) - res}, 3857)`;
 68 | }
 69 | 
 70 | app.get('/mvt/:layers/:z/:x/:y.mvt', function(req, res) {
 71 | 	var x = parseInt(req.params.x);
 72 | 	var y = parseInt(req.params.y);
 73 | 	var z = parseInt(req.params.z);
 74 | 	var code = 0;
 75 | 	var response = '';
 76 | 	var layers = req.params.layers.split(',');
 77 | 	
 78 | 	var queries = [];
 79 | 	for (var i=0; i<layers.length; i++) {
 80 | 		var layer = layers[i];
 81 | 		if (!layer.match(/^\w+$/)){
 82 | 			console.log('Invalid source id');
 83 | 			code = 400;
 84 | 			reponse = 'Invalid source id';
 85 | 			break;
 86 | 		}
 87 | 		if (!g_sources.hasOwnProperty(layer)) {
 88 | 			console.log('Unknown source: ' + layer);
 89 | 			code = 404;
 90 | 			response = 'Unknown source: ' + layer;
 91 | 			break;
 92 | 		}
 93 | 		var source = g_sources[layer];
 94 | 		var pool = g_dbpools[source.database];
 95 | 		
 96 | 		var attributes = JsonObject(source.attributes);
 97 | 		var join = source.join ? source.join : '';
 98 | 		var groupby = source.groupby ? source.groupby : '';
 99 | 		var where = source.where ? ' and (' + source.where + ')' : '';
100 | 
101 | 		var extent = make_extent(z, x, y);
102 | 		var query_text = `
103 | 		SELECT ST_AsMVT(q, '${layer}', 4096, 'geom') AS mvt FROM (
104 | 			SELECT ST_AsMVTGeom(ST_Transform(${source.table}.${source.geometry}, 3857), ${extent}, 4096, 10, true) geom ${attributes}
105 | 			FROM ${source.table}
106 | 			${join}
107 | 			WHERE ST_Intersects(ST_Transform(${extent}, ${source.srid}), ${source.table}.${source.geometry}) 
108 | 			${where}
109 | 			${groupby}
110 | 		) AS q where q.geom is not null
111 | 		`;
112 | 		//console.log(query_text);
113 | 		queries.push(pool.query(query_text));
114 | 	}
115 | 	
116 | 	if (code) { // an error occured
117 | 		res.status(code);
118 | 		res.send(response);
119 | 	} else {
120 | 		Promise.all(queries).then(values => {
121 | 			if (values.length == 0) {
122 | 				response = '';
123 | 			} else if (values.length == 1) {
124 | 				response = values[0].rows[0].mvt;
125 | 			} else if (values.length > 1) {
126 | 				var buffers = [];
127 | 				values.forEach(val => {
128 | 					if (val.rows[0].mvt) {
129 | 						buffers.push(new Buffer(val.rows[0].mvt));
130 | 					}
131 | 				});
132 | 				if (buffers.length > 0)	response = Buffer.concat(buffers);
133 | 			}
134 | 			if (response) {
135 | 				res.status(200);
136 | 			} else {
137 | 				res.status(204); // no content
138 | 			}
139 | 			res.header('content-type', 'application/octet-stream');
140 | 			res.header("Access-Control-Allow-Origin", "*");
141 | 			res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
142 | 			res.send(response);
143 | 		}).catch(reason => {
144 | 			console.log('Error executing database query: ' + reason.message, reason.stack);
145 | 			res.status(500);
146 | 			res.send('An error occurred');
147 | 		});
148 | 	}
149 | });
150 | 
151 | var allowCORS = function(req, res, next) {
152 | 	res.setHeader('Access-Control-Allow-Origin', '*');
153 | //	res.setHeader('Access-Control-Allow-Methods', 'GET,PUT,POST,DELETE');
154 | //	res.setHeader('Access-Control-Allow-Headers', 'Content-Type');
155 | 
156 | 	next();
157 | }
158 | app.use(allowCORS);
159 | app.use('/html', express.static(__dirname + '/html'));
160 | 
161 | function unzipUpload(zipfile) {
162 | 	return new Promise(function(resolve, reject) {
163 | 		var output_dir = zipfile + '_unzip';
164 | 		if (!fs.existsSync(output_dir)){
165 | 			fs.mkdirSync(output_dir);
166 | 		}
167 | 		var result = '';
168 | 		fs.createReadStream(zipfile)
169 | 			.pipe(unzip.Parse())
170 | 			.on('entry', function (entry) {
171 | 				var fileName = entry.path;
172 | 				var type = entry.type;
173 | //				console.log('entry ' + fileName);
174 | 				if (!result && type == 'File' && fileName.match(/^.+\.(json|geojson)$/)) {
175 | //					console.log('unzipping ' + fileName);
176 | 					entry.pipe(fs.createWriteStream(output_dir + '/' + fileName));
177 | 					result = output_dir + '/' + fileName;
178 | 				} else {
179 | 					entry.autodrain();
180 | 				}
181 | 			})
182 | 			.on('close', function () {
183 | 				console.log('closed zip');
184 | 				if (!result) {
185 | 					reject('No geojson found in zip file'); return;
186 | 				}
187 | 				resolve(result);
188 | 			});
189 | 	});
190 | }
191 | 
192 | function loadGeoJson(file) {
193 | 	var promises = [];
194 | 	var database = g_config.uploads.database;
195 | 	var host = g_config.databases[database].host;
196 | 	var port = g_config.databases[database].port;
197 | 	var user = g_config.databases[database].user;
198 | 	var pass = g_config.databases[database].password;
199 | 	var dbname = g_config.databases[database].database;
200 | 	var schema = g_config.uploads.schema;
201 | 	var pgstr = `PG:host=${host} port=${port} user=${user} dbname=${dbname}`;
202 | 	if (pass) pgstr = pgstr + ` password=${pass}`;
203 | 	
204 | 	return new Promise( function(resolve, reject) {
205 | 		console.log('loading geojson');
206 | 		var matches = file.match(/\/(\w+)_unzip\/(.+)\.(json|geojson)$/);
207 | 		var id = matches[1];
208 | 		var name = matches[2];
209 | 		
210 | 		ogr2ogr(file)
211 | 			.format('PostgreSQL')
212 | 			.options(['-nln', schema + '.' + id])
213 | 			.destination(pgstr)
214 | 			.timeout(60000)
215 | 			.exec(function(err) {
216 | 				if (err) {
217 | 					reject(err.message); return;
218 | 				}
219 | 				resolve({
220 | 					'id': id,
221 | 					'name': name
222 | 				});
223 | 			});
224 | 	});
225 | }
226 | 
227 | function makeConfig(res) {
228 | 	var id = res.id;
229 | 	var name = res.name;
230 | 	return new Promise(function(resolve, reject) {
231 | 		var schema = g_config.uploads.schema;
232 | 		var pool = g_dbpools[g_config.uploads.database];
233 | 		//var query = `SELECT * FROM ${id} WHERE false`;
234 | 		var query = `SELECT column_name, udt_name FROM INFORMATION_SCHEMA.COLUMNS 
235 | 						WHERE table_schema = '${schema}' AND table_name = '${id}'`;
236 | 		pool.query(query).then(result => {
237 | 			var geom_column = '';
238 | 			var fields = result.rows.filter(row => {
239 | 				if (row.udt_name == 'geometry') {
240 | 					geom_column = row.column_name;
241 | 					return false;
242 | 				} else {
243 | 					return true;
244 | 				}
245 | 			}).map(row => {
246 | 				return row.column_name;
247 | 			});
248 | 			if (geom_column) {
249 | 				pool.query(`SELECT Find_SRID('${schema}', '${id}', '${geom_column}') srid, 
250 | 							GeometryType(${geom_column}) geom_type 
251 | 							FROM ${schema}."${id}" LIMIT 1`).then(result => {
252 | 					var srid = result.rows[0].srid;
253 | 					var geom_type = result.rows[0].geom_type;
254 | 					var source_config = {
255 | 						"name": name,
256 | 						"database": g_config.uploads.database,
257 | 						"table": `${schema}."${id}"`,
258 | 						"geometry": geom_column,
259 | 						"type": geom_type,
260 | 						"srid": srid,
261 | 						"minzoom": 0,
262 | 						"maxzoom": 22,
263 | 						"attributes": fields.join(', ')
264 | 					};
265 | 					var json = JSON.stringify(source_config, null, '\t');
266 | 					
267 | 					fs.writeFile(g_sourcedir + id + '.json', json, err => {
268 | 						if (err) {
269 | 							reject('Error writing source file for id: ' + id);
270 | 						} else {
271 | 							g_sources[id] = source_config;
272 | 							resolve(id);
273 | 						}
274 | 					});
275 | 				}).catch(reason => {
276 | 					reject('Error executing database query: ' + reason.message);
277 | 				});
278 | 			} else {
279 | 				reject('Unable to find geometry column');
280 | 			}
281 | 		}).catch(reason => {
282 | 			reject('Error executing database query: ' + reason.message);
283 | 		});
284 | 	});
285 | }
286 | 
287 | const upload = multer({ dest: __dirname + '/' + g_config.uploads.directory });
288 | app.post('/upload', upload.single('file'), function (req, res, next) {
289 | 	//console.log(req.file);
290 | 	function cleanup(path) {
291 | 		fs.remove(path);
292 | 		fs.remove(path + '_unzip');
293 | 	}
294 | 	if (req.file.mimetype == 'application/x-zip-compressed') {
295 | 		unzipUpload(req.file.path)
296 | 			.then(loadGeoJson)
297 | 			.then(makeConfig)
298 | 			.then( result => {
299 | 				console.log('Uploaded file with id ' + result);
300 | 				res.redirect('/html/maputnik/?style=' + req.headers.origin + '/style/' + result + '.json');
301 | 				cleanup(req.file.path);
302 | 			})
303 | 			.catch( reason => {
304 | 				console.log('Error loading geojson: ' + reason);
305 | 				res.status(400)
306 | 					.send('Error loading geojson: ' + reason);
307 | 				cleanup(req.file.path);
308 | 			});
309 | 	} else {
310 | 		res.status(400);
311 | 		res.send('Please upload a zipped geojson.');
312 | 		cleanup(req.file.path);
313 | 	}
314 | });
315 | 
316 | function makeStyle(id){
317 | 	return new Promise(function(resolve, reject) {
318 | 		if (!id.match(/^\w+$/)){
319 | 			reject({ code: 400, message: 'Invalid style id' });
320 | 			return;
321 | 		}
322 | 		if (!g_sources.hasOwnProperty(id)) {
323 | 			reject({ code: 404, message: 'Unknown style: ' + id });
324 | 			return;
325 | 		}
326 | 		var source = g_sources[id];
327 | 		var pool = g_dbpools[source.database];
328 | 		var query = `WITH extent AS (
329 | 						SELECT ST_Transform(ST_SetSRID(ST_Extent(wkb_geometry), 28992), 4326) geom FROM ${source.table}
330 | 					)
331 | 					SELECT ST_XMin(geom) xmin, ST_YMin(geom) ymin, ST_XMax(geom) xmax, ST_YMax(geom) ymax FROM extent`;
332 | 		pool.query(query).then(result => {
333 | 			var row = result.rows[0];
334 | 			var xrange = row.xmax - row.xmin;
335 | 			var yrange = row.ymax - row.ymin;
336 | 			
337 | 			var style = JSON.parse(JSON.stringify(g_styletemplate)); // deep clone
338 | 			style.center = [row.xmin + (xrange / 2), row.ymin + (yrange / 2)];
339 | 			style.zoom = Math.min(-Math.log2(xrange/360), -Math.log2(yrange/180)) + 1;
340 | 			style.sources[id] = {
341 | 				"type": "vector",
342 | 				"tiles": [
343 | 					g_config.server_url + '/mvt/' + id + "/{z}/{x}/{y}.mvt"
344 | 				],
345 | 				"minZoom": 0,
346 | 				"maxZoom": 22
347 | 			};
348 | 
349 | 			// find unique layer id
350 | 			var layerid = source.name;
351 | 			var layerids = style.layers.map(layer => {return layer.id;});
352 | 			var i = 1;
353 | 			while(layerids.indexOf(layerid) != -1) {
354 | 				layerid = source.name + "-" + i;
355 | 				i++;
356 | 			}
357 | 
358 | 			var layerconfig = {
359 | 				"id" : layerid,
360 | 				"source" : id,
361 | 				"source-layer" : id,
362 | 				"layout" : { "visibility" : "visible" }
363 | 			};
364 | 			if (source.type == 'POINT') {
365 | 				layerconfig.type = "circle";
366 | 				layerconfig.paint = {
367 | 					"circle-color" : "rgba(240, 0, 0, 1)",
368 | 					"circle-opacity" : 0.7,
369 | 					"circle-radius" : { "stops" : [[6, 2], [17, 10]] }
370 | 				};
371 | 			} else if (source.type == 'POLYGON' || source.type == 'MULTIPOLYGON') {
372 | 				layerconfig.type = "fill";
373 | 				layerconfig.paint = {
374 | 					"fill-color" : "rgba(103, 184, 255, 0.5)",
375 | 					"fill-outline-color" : "rgba(66, 147, 189, 1)"
376 | 				};
377 | 			}
378 | 			style.layers.push(layerconfig);
379 | 			var result = JSON.stringify(style, null, '\t');
380 | 			resolve(result);
381 | 		}).catch(reason => {
382 | 			reject({ code: 500, message: 'Error executing database query: ' + reason.message });
383 | 		});
384 | 	});
385 | }
386 | 
387 | app.get('/style/:id.json', function(req, res) {
388 | 	var id = req.params.id;
389 | 	
390 | 	makeStyle(id).then(result => {
391 | 		res.status(200);
392 | 		res.header('Content-Type', 'application/json');
393 | 		res.send(result);
394 | 	}).catch(error => {
395 | 		console.log('Error generating style: ' + error.message);
396 | 		res.status(error.code);
397 | 		res.send('Error generating style: ' + error.message);
398 | 	});
399 | });
400 | 
401 | app.listen(g_config.port);
402 | console.log('mvt server is listening on port ' + g_config.port);
403 | 


--------------------------------------------------------------------------------
/package-lock.json:
--------------------------------------------------------------------------------
   1 | {
   2 |   "name": "postgis-mvt-server",
   3 |   "version": "0.0.1",
   4 |   "lockfileVersion": 3,
   5 |   "requires": true,
   6 |   "packages": {
   7 |     "": {
   8 |       "name": "postgis-mvt-server",
   9 |       "version": "0.0.1",
  10 |       "license": "MIT",
  11 |       "dependencies": {
  12 |         "compression": "^1.7.4",
  13 |         "express": "^4.19.2",
  14 |         "multer": "^1.4.5-lts.1",
  15 |         "ogr2ogr": "^5.0.0",
  16 |         "pg": "^8.11.5",
  17 |         "sql-template-strings": "^2.2.2",
  18 |         "unzipper": "^0.10.14"
  19 |       }
  20 |     },
  21 |     "node_modules/accepts": {
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  23 |       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
  24 |       "integrity": "sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==",
  25 |       "dependencies": {
  26 |         "mime-types": "~2.1.34",
  27 |         "negotiator": "0.6.3"
  28 |       },
  29 |       "engines": {
  30 |         "node": ">= 0.6"
  31 |       }
  32 |     },
  33 |     "node_modules/append-field": {
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  37 |     },
  38 |     "node_modules/archiver": {
  39 |       "version": "6.0.2",
  40 |       "resolved": "https://registry.npmjs.org/archiver/-/archiver-6.0.2.tgz",
  41 |       "integrity": "sha512-UQ/2nW7NMl1G+1UnrLypQw1VdT9XZg/ECcKPq7l+STzStrSivFIXIp34D8M5zeNGW5NoOupdYCHv6VySCPNNlw==",
  42 |       "dependencies": {
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  44 |         "async": "^3.2.4",
  45 |         "buffer-crc32": "^0.2.1",
  46 |         "readable-stream": "^3.6.0",
  47 |         "readdir-glob": "^1.1.2",
  48 |         "tar-stream": "^3.0.0",
  49 |         "zip-stream": "^5.0.1"
  50 |       },
  51 |       "engines": {
  52 |         "node": ">= 12.0.0"
  53 |       }
  54 |     },
  55 |     "node_modules/archiver-utils": {
  56 |       "version": "4.0.1",
  57 |       "resolved": "https://registry.npmjs.org/archiver-utils/-/archiver-utils-4.0.1.tgz",
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  59 |       "dependencies": {
  60 |         "glob": "^8.0.0",
  61 |         "graceful-fs": "^4.2.0",
  62 |         "lazystream": "^1.0.0",
  63 |         "lodash": "^4.17.15",
  64 |         "normalize-path": "^3.0.0",
  65 |         "readable-stream": "^3.6.0"
  66 |       },
  67 |       "engines": {
  68 |         "node": ">= 12.0.0"
  69 |       }
  70 |     },
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  72 |       "version": "3.6.2",
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  75 |       "dependencies": {
  76 |         "inherits": "^2.0.3",
  77 |         "string_decoder": "^1.1.1",
  78 |         "util-deprecate": "^1.0.1"
  79 |       },
  80 |       "engines": {
  81 |         "node": ">= 6"
  82 |       }
  83 |     },
  84 |     "node_modules/archiver/node_modules/readable-stream": {
  85 |       "version": "3.6.2",
  86 |       "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.2.tgz",
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  88 |       "dependencies": {
  89 |         "inherits": "^2.0.3",
  90 |         "string_decoder": "^1.1.1",
  91 |         "util-deprecate": "^1.0.1"
  92 |       },
  93 |       "engines": {
  94 |         "node": ">= 6"
  95 |       }
  96 |     },
  97 |     "node_modules/array-flatten": {
  98 |       "version": "1.1.1",
  99 |       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
 100 |       "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg=="
 101 |     },
 102 |     "node_modules/async": {
 103 |       "version": "3.2.5",
 104 |       "resolved": "https://registry.npmjs.org/async/-/async-3.2.5.tgz",
 105 |       "integrity": "sha512-baNZyqaaLhyLVKm/DlvdW051MSgO6b8eVfIezl9E5PqWxFgzLm/wQntEW4zOytVburDEr0JlALEpdOFwvErLsg=="
 106 |     },
 107 |     "node_modules/b4a": {
 108 |       "version": "1.6.6",
 109 |       "resolved": "https://registry.npmjs.org/b4a/-/b4a-1.6.6.tgz",
 110 |       "integrity": "sha512-5Tk1HLk6b6ctmjIkAcU/Ujv/1WqiDl0F0JdRCR80VsOcUlHcu7pWeWRlOqQLHfDEsVx9YH/aif5AG4ehoCtTmg=="
 111 |     },
 112 |     "node_modules/balanced-match": {
 113 |       "version": "1.0.2",
 114 |       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
 115 |       "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="
 116 |     },
 117 |     "node_modules/bare-events": {
 118 |       "version": "2.2.2",
 119 |       "resolved": "https://registry.npmjs.org/bare-events/-/bare-events-2.2.2.tgz",
 120 |       "integrity": "sha512-h7z00dWdG0PYOQEvChhOSWvOfkIKsdZGkWr083FgN/HyoQuebSew/cgirYqh9SCuy/hRvxc5Vy6Fw8xAmYHLkQ==",
 121 |       "optional": true
 122 |     },
 123 |     "node_modules/big-integer": {
 124 |       "version": "1.6.52",
 125 |       "resolved": "https://registry.npmjs.org/big-integer/-/big-integer-1.6.52.tgz",
 126 |       "integrity": "sha512-QxD8cf2eVqJOOz63z6JIN9BzvVs/dlySa5HGSBH5xtR8dPteIRQnBxxKqkNTiT6jbDTF6jAfrd4oMcND9RGbQg==",
 127 |       "engines": {
 128 |         "node": ">=0.6"
 129 |       }
 130 |     },
 131 |     "node_modules/binary": {
 132 |       "version": "0.3.0",
 133 |       "resolved": "https://registry.npmjs.org/binary/-/binary-0.3.0.tgz",
 134 |       "integrity": "sha512-D4H1y5KYwpJgK8wk1Cue5LLPgmwHKYSChkbspQg5JtVuR5ulGckxfR62H3AE9UDkdMC8yyXlqYihuz3Aqg2XZg==",
 135 |       "dependencies": {
 136 |         "buffers": "~0.1.1",
 137 |         "chainsaw": "~0.1.0"
 138 |       },
 139 |       "engines": {
 140 |         "node": "*"
 141 |       }
 142 |     },
 143 |     "node_modules/bluebird": {
 144 |       "version": "3.4.7",
 145 |       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.4.7.tgz",
 146 |       "integrity": "sha512-iD3898SR7sWVRHbiQv+sHUtHnMvC1o3nW5rAcqnq3uOn07DSAppZYUkIGslDz6gXC7HfunPe7YVBgoEJASPcHA=="
 147 |     },
 148 |     "node_modules/body-parser": {
 149 |       "version": "1.20.2",
 150 |       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.2.tgz",
 151 |       "integrity": "sha512-ml9pReCu3M61kGlqoTm2umSXTlRTuGTx0bfYj+uIUKKYycG5NtSbeetV3faSU6R7ajOPw0g/J1PvK4qNy7s5bA==",
 152 |       "dependencies": {
 153 |         "bytes": "3.1.2",
 154 |         "content-type": "~1.0.5",
 155 |         "debug": "2.6.9",
 156 |         "depd": "2.0.0",
 157 |         "destroy": "1.2.0",
 158 |         "http-errors": "2.0.0",
 159 |         "iconv-lite": "0.4.24",
 160 |         "on-finished": "2.4.1",
 161 |         "qs": "6.11.0",
 162 |         "raw-body": "2.5.2",
 163 |         "type-is": "~1.6.18",
 164 |         "unpipe": "1.0.0"
 165 |       },
 166 |       "engines": {
 167 |         "node": ">= 0.8",
 168 |         "npm": "1.2.8000 || >= 1.4.16"
 169 |       }
 170 |     },
 171 |     "node_modules/body-parser/node_modules/bytes": {
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1325 |         "es-errors": "^1.3.0",
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1330 |       },
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1344 |     },
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1349 |       "dependencies": {
1350 |         "call-bind": "^1.0.7",
1351 |         "es-errors": "^1.3.0",
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1353 |         "object-inspect": "^1.13.1"
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1355 |       "engines": {
1356 |         "node": ">= 0.4"
1357 |       },
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1359 |         "url": "https://github.com/sponsors/ljharb"
1360 |       }
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1366 |       "engines": {
1367 |         "node": ">= 10.x"
1368 |       }
1369 |     },
1370 |     "node_modules/sql-template-strings": {
1371 |       "version": "2.2.2",
1372 |       "resolved": "https://registry.npmjs.org/sql-template-strings/-/sql-template-strings-2.2.2.tgz",
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1374 |       "engines": {
1375 |         "node": ">=4.0.0"
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1401 |       },
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1457 |     "node_modules/unpipe": {
1458 |       "version": "1.0.0",
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1460 |       "integrity": "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ==",
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1462 |         "node": ">= 0.8"
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1465 |     "node_modules/unzipper": {
1466 |       "version": "0.10.14",
1467 |       "resolved": "https://registry.npmjs.org/unzipper/-/unzipper-0.10.14.tgz",
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1470 |         "big-integer": "^1.6.17",
1471 |         "binary": "~0.3.0",
1472 |         "bluebird": "~3.4.1",
1473 |         "buffer-indexof-polyfill": "~1.0.0",
1474 |         "duplexer2": "~0.1.4",
1475 |         "fstream": "^1.0.12",
1476 |         "graceful-fs": "^4.2.2",
1477 |         "listenercount": "~1.0.1",
1478 |         "readable-stream": "~2.3.6",
1479 |         "setimmediate": "~1.0.4"
1480 |       }
1481 |     },
1482 |     "node_modules/util-deprecate": {
1483 |       "version": "1.0.2",
1484 |       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
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1500 |         "node": ">= 0.8"
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1513 |         "node": ">=0.4"
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1534 |         "inherits": "^2.0.3",
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1537 |       },
1538 |       "engines": {
1539 |         "node": ">= 6"
1540 |       }
1541 |     }
1542 |   }
1543 | }
1544 | 


--------------------------------------------------------------------------------
/package.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "name": "postgis-mvt-server",
 3 |   "version": "0.0.1",
 4 |   "description": "Serve Mapbox vector tiles directly from a PostGIS database",
 5 |   "main": "mvt_server.js",
 6 |   "scripts": {
 7 |     "test": "echo \"Error: no test specified\" && exit 1"
 8 |   },
 9 |   "repository": {
10 |     "type": "git",
11 |     "url": "git+https://github.com/Geodan/postgis-mvt-server.git"
12 |   },
13 |   "keywords": [
14 |     "PostGIS",
15 |     "vector",
16 |     "tiles"
17 |   ],
18 |   "author": "Rubio Vaughan",
19 |   "license": "MIT",
20 |   "bugs": {
21 |     "url": "https://github.com/Geodan/postgis-mvt-server/issues"
22 |   },
23 |   "homepage": "https://github.com/Geodan/postgis-mvt-server#readme",
24 |   "dependencies": {
25 |     "compression": "^1.7.4",
26 |     "express": "^4.19.2",
27 |     "multer": "^1.4.5-lts.1",
28 |     "ogr2ogr": "^5.0.0",
29 |     "pg": "^8.11.5",
30 |     "sql-template-strings": "^2.2.2",
31 |     "unzipper": "^0.10.14"
32 |   }
33 | }
34 | 


--------------------------------------------------------------------------------
/postgis-mvt.html:
--------------------------------------------------------------------------------
  1 | <!DOCTYPE html>
  2 | <html>
  3 | <head>
  4 |     <meta charset='utf-8' />
  5 |     <title></title>
  6 |     <meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
  7 | 	<script src='https://api.mapbox.com/mapbox-gl-js/v0.32.1/mapbox-gl.js'></script>
  8 | 	<script src='https://npmcdn.com/@turf/turf/turf.min.js'></script> 
  9 | 	<link href='https://api.mapbox.com/mapbox-gl-js/v0.32.1/mapbox-gl.css' rel='stylesheet' />
 10 |     <style>
 11 |         body { margin:0; padding:0; }
 12 |         #map { position:absolute; top:0; bottom:0; width:100%; }
 13 |     </style>
 14 | <style>
 15 |     #menu {
 16 |         background: #fff;
 17 |         position: absolute;
 18 |         z-index: 1;
 19 |         top: 10px;
 20 |         right: 10px;
 21 |         border-radius: 3px;
 22 |         width: 120px;
 23 |         border: 1px solid rgba(0,0,0,0.4);
 24 |         font-family: 'Open Sans', sans-serif;
 25 |     }
 26 | 
 27 |     #menu a {
 28 |         font-size: 13px;
 29 |         color: #404040;
 30 |         display: block;
 31 |         margin: 0;
 32 |         padding: 0;
 33 |         padding: 10px;
 34 |         text-decoration: none;
 35 |         border-bottom: 1px solid rgba(0,0,0,0.25);
 36 |         text-align: center;
 37 |     }
 38 | 
 39 |     #menu a:last-child {
 40 |         border: none;
 41 |     }
 42 | 
 43 |     #menu a:hover {
 44 |         background-color: #f8f8f8;
 45 |         color: #404040;
 46 |     }
 47 | 
 48 |     #menu a.active {
 49 |         background-color: #3887be;
 50 |         color: #ffffff;
 51 |     }
 52 | 
 53 |     #menu a.active:hover {
 54 |         background: #3074a4;
 55 |     }
 56 | </style>
 57 | </head>
 58 | <body>
 59 | 
 60 | <div id='map'></div>
 61 | <nav id="menu">
 62 | 	<a href="#" onClick="switchStyle('style1')">Style 1</a>
 63 | 	<a href="#" onClick="switchStyle('style2')">Style 2</a>
 64 | 	<a href="#" onClick="switchStyle('style3')">Style 3</a>
 65 | </nav>
 66 | <script>
 67 | mapboxgl.accessToken = '';
 68 | var map = new mapboxgl.Map({
 69 |     container: 'map', // container id
 70 |     style: 'mapbox://styles/mapbox/dark-v9', //hosted style id
 71 |     center: [4.898, 52.370], //[4.913058,52.342188], // starting position
 72 |     zoom: 16 // starting zoom
 73 | });
 74 | 
 75 | function switchStyle(style){
 76 | 	switch (style) {
 77 | 		case 'style3':
 78 | 			map.setPaintProperty('wegen', 'fill-color', '#19bad2');
 79 | 			map.setPaintProperty('wegen', 'fill-outline-color', '#39eae2');
 80 | 			map.setPaintProperty('gebouwen', 'fill-color', '#d2197f');
 81 | 			map.setPaintProperty('gebouwen', 'fill-outline-color', '#f2499f');
 82 | 			map.setPaintProperty('terrorism', 'circle-color', {
 83 | 				'property': 'casualties',
 84 | 				'type': 'interval',
 85 | 				'stops': [
 86 | 					[0, '#ffffff'],
 87 | 					[1, '#b2ffff'],
 88 | 					[5, '#5cfecc'],
 89 | 					[10, '#3cfd8d'],
 90 | 					[50, '#26bd00']
 91 | 				]
 92 | 			});
 93 | 			break;
 94 | 		case 'style2':
 95 | 			map.setPaintProperty('wegen', 'fill-color', '#0a49f4');
 96 | 			map.setPaintProperty('wegen', 'fill-outline-color', '#4a99ff');
 97 | 			map.setPaintProperty('gebouwen', 'fill-color', '#f4490a');
 98 | 			map.setPaintProperty('gebouwen', 'fill-outline-color', '#ff994a');
 99 | 			map.setPaintProperty('terrorism', 'circle-color', {
100 | 				'property': 'casualties',
101 | 				'type': 'interval',
102 | 				'stops': [
103 | 					[0, '#ffffff'],
104 | 					[1, '#ffb2ff'],
105 | 					[5, '#cc5cfe'],
106 | 					[10, '#8d3cfd'],
107 | 					[50, '#0026bd']
108 | 				]
109 | 			});
110 | 			break;
111 | 		case 'style1':
112 | 		default:
113 | 			map.setPaintProperty('wegen', 'fill-color', '#f4490a');
114 | 			map.setPaintProperty('wegen', 'fill-outline-color', '#ff994a');
115 | 			map.setPaintProperty('gebouwen', 'fill-color', '#0a49f4');
116 | 			map.setPaintProperty('gebouwen', 'fill-outline-color', '#4a99ff');
117 | 			map.setPaintProperty('terrorism', 'circle-color', {
118 | 				'property': 'casualties',
119 | 				'type': 'interval',
120 | 				'stops': [
121 | 					[0, '#ffffff'],
122 | 					[1, '#ffffb2'],
123 | 					[5, '#fecc5c'],
124 | 					[10, '#fd8d3c'],
125 | 					[50, '#bd0026']
126 | 				]
127 | 			});
128 | 	}
129 | }
130 | 
131 | map.on('load', function () {
132 | 	var gebouwen = {
133 | 		'type': 'vector',
134 | 		'tiles': [
135 | 			'http://metis:3001/mvt/gebouwen/{z}/{x}/{y}.mvt'
136 | 		]
137 | 	};
138 | 	map.addSource('gebouwen', gebouwen);
139 | 	var wegen = {
140 | 		'type': 'vector',
141 | 		'tiles': [
142 | 			'http://metis:3001/mvt/wegen/{z}/{x}/{y}.mvt'
143 | 		]
144 | 	};
145 | 	map.addSource('wegen', wegen);
146 | 	var terrorism = {
147 | 		'type': 'vector',
148 | 		'tiles': [
149 | 			'http://metis:3001/mvt/terrorism/{z}/{x}/{y}.mvt'
150 | 		]
151 | 	};
152 | 	map.addSource('terrorism', terrorism);
153 | 	map.addLayer({
154 | 		'id': 'gebouwen',
155 | 		'source': 'gebouwen',
156 | 		'source-layer': 'gebouwen',
157 | 		'type': 'fill',
158 | 		'minzoom': 13,
159 |         'paint': {
160 |             "fill-color": "#0a49f4",
161 | 			"fill-outline-color": "#4a99ff",
162 |             "fill-opacity": 0.5
163 | 		}
164 | 	}, 'waterway-label');
165 | 	map.addLayer({
166 | 		'id': 'wegen',
167 | 		'source': 'wegen',
168 | 		'source-layer': 'wegen',
169 | 		'type': 'fill',
170 | 		'minzoom': 13,
171 |         'paint': {
172 |             "fill-color": "#f4490a",
173 | 			"fill-outline-color": "#ff994a",
174 |             "fill-opacity": 0.5
175 | 		}
176 | 	}, 'waterway-label');
177 | 	map.addLayer({
178 | 		'id': 'terrorism',
179 | 		'source': 'terrorism',
180 | 		'source-layer': 'terrorism',
181 | 		'type': 'circle',
182 | 		'maxzoom': 13,
183 | 		'paint': {
184 | 			'circle-radius': {
185 | 				'property': 'casualties',
186 | 				'stops': [
187 | 					[{zoom: 1,  value: 0}, 1],
188 | 					[{zoom: 1,  value: 50}, 3],
189 | 					[{zoom: 9, value: 0}, 1],
190 | 					[{zoom: 9, value: 50}, 10],
191 | 					[{zoom: 16, value: 0}, 3],
192 | 					[{zoom: 16, value: 50}, 40]
193 | 				]
194 | 			},
195 | 			'circle-color': {
196 | 				'property': 'casualties',
197 | 				'type': 'interval',
198 | 				'stops': [
199 | 					[0, '#ffffff'],
200 | 					[1, '#ffffb2'],
201 | 					[5, '#fecc5c'],
202 | 					[10, '#fd8d3c'],
203 | 					[50, '#bd0026']
204 | 				]
205 | 			},
206 | 			//'circle-radius': 2,
207 | 			//'circle-color': '#bd0026',
208 | 			'circle-opacity': 0.5
209 | 		}
210 | 	}, 'waterway-label');
211 | 	
212 | 	var popup = new mapboxgl.Popup({
213 | 		closeButton: false,
214 | 		closeOnClick: false
215 | 	});
216 | 
217 | 	map.on('mousemove', function(e) {
218 | 		var features = map.queryRenderedFeatures(e.point, { layers: ['gebouwen', 'wegen', 'terrorism'] });
219 | 		// Change the cursor style as a UI indicator.
220 | 		if (!features) return;
221 | 		map.getCanvas().style.cursor = (features.length) ? 'pointer' : '';
222 | 
223 | 		if (!features.length) {
224 | 			popup.remove();
225 | 			return;
226 | 		}
227 | 
228 | 		var feature = features[0];
229 | 
230 | 		var poptext = '';
231 | 		var props = Object.keys(feature.properties);
232 | 		for (var i=0; i<props.length; i++) {
233 | 			if (poptext)
234 | 				poptext += '<br>';
235 | 			poptext += props[i] + ': ' + feature.properties[props[i]];
236 | 		}
237 | 		
238 | 		popup.setLngLat(turf.centroid(feature.geometry).geometry.coordinates)
239 | 			.setHTML(poptext)
240 | 			.addTo(map);
241 | 	});
242 | });
243 | 
244 | 
245 | </script>
246 | 
247 | </body>
248 | </html>
249 | 


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/sources/source.json.example:
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 1 | {
 2 | 	"name": "<mvt layer name>",
 3 | 	"database": "<dbname>",
 4 | 	"table": "<schema>.<table>",
 5 | 	"geometry": "<geom_column>",
 6 | 	"type": "<polygon|polyline|point>",
 7 | 	"srid": 4326,
 8 | 	"minzoom": 6,
 9 | 	"maxzoom": 13,
10 | 	"attributes": "<column1> as [Alias1], <column1> as [Alias2]",
11 | 	"where": "column1 is not null and (column2 = 'value' or column3 = 5)"
12 | }
13 | 


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/uploads/.gitignore:
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1 | # Ignore everything in this directory
2 | *
3 | # Except this file
4 | !.gitignore
5 | 


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