Created
March 18, 2025 07:15
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Load GeoServer Vector Tile in Openlayers map with EPSG:4326 projection
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8" /> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0" /> | |
| <title>GeoServer WMTS with Mapbox Vector Tile in OpenLayers</title> | |
| <link rel="stylesheet" href="https://unpkg.com/ol/ol.css" /> | |
| <script src="https://unpkg.com/ol/dist/ol.js"></script> | |
| </head> | |
| <body> | |
| <div id="map" style="width: 100%; height: 500px"></div> | |
| <script> | |
| var projection = ol.proj.get("EPSG:4326"); | |
| var projectionExtent = projection.getExtent(); | |
| var matrixIds = new Array(22); | |
| for (var z = 0; z < 22; ++z) { | |
| matrixIds[z] = "EPSG:4326:" + z; | |
| } | |
| resolutions = [ | |
| 0.703125, 0.3515625, 0.17578125, 0.087890625, 0.0439453125, | |
| 0.02197265625, 0.010986328125, 0.0054931640625, 0.00274658203125, | |
| 0.001373291015625, 6.866455078125e-4, 3.4332275390625e-4, | |
| 1.71661376953125e-4, 8.58306884765625e-5, 4.291534423828125e-5, | |
| 2.1457672119140625e-5, 1.0728836059570312e-5, 5.364418029785156e-6, | |
| 2.682209014892578e-6, 1.341104507446289e-6, 6.705522537231445e-7, | |
| 3.3527612686157227e-7, | |
| ]; | |
| bouldersLayerWMTS = new ol.layer.VectorTile({ | |
| source: new ol.source.VectorTile({ | |
| url: "https://YOUR-GEOSERVER/geoserver/gwc/service/wmts?REQUEST=GetTile&SERVICE=WMTS&VERSION=1.0.0&LAYER=WORKSPACE:LAYER&STYLE=&TILEMATRIX=EPSG:4326:{z}&TILEMATRIXSET=EPSG:4326&FORMAT=application/vnd.mapbox-vector-tile&TILECOL={x}&TILEROW={y}", | |
| wrapX: true, | |
| format: new ol.format.MVT(), | |
| projection: projection, | |
| tileGrid: new ol.tilegrid.WMTS({ | |
| tileSize: [256, 256], | |
| origin: ol.extent.getTopLeft(projectionExtent), | |
| resolutions: resolutions, | |
| matrixIds: matrixIds, | |
| }), | |
| }), | |
| }); | |
| var map = new ol.Map({ | |
| layers: [ | |
| new ol.layer.Tile({ | |
| source: new ol.source.OSM(), | |
| }), | |
| bouldersLayerWMTS, | |
| ], | |
| target: "map", | |
| view: new ol.View({ | |
| projection: projection, | |
| center: [-74.1446553, 40.5], | |
| zoom: 10, | |
| }), | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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