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OpenStreetMap(EPSG:3857)の上にVector Layer(EPSG:4326)を乗せる (OpenLayers 3)
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| <!doctype html> | |
| <html lang="ja"> | |
| <head> | |
| <link rel="stylesheet" href="http://openlayers.org/en/v3.0.0/css/ol.css" type="text/css"> | |
| <style> | |
| .map { | |
| height: 500px; | |
| width: 100%; | |
| } | |
| </style> | |
| <script src="http://openlayers.org/en/v3.0.0/build/ol.js" type="text/javascript"></script> | |
| <title>WGS84 Vector Layer on OSM</title> | |
| </head> | |
| <body> | |
| <p>球面メルカトル図法(EPSG:3857)なOpenStreetMapの上に世界測地系(WGS84/EPSG:4326)で指定した位置をプロット、図形を描画する<br />(ViewのProjectionはEPSG:3857のまま)</p> | |
| <div id="map" class="map"></div> | |
| <script type="text/javascript"> | |
| var map = new ol.Map({ | |
| target: 'map', | |
| renderer: 'canvas', | |
| layers: [ | |
| new ol.layer.Tile({ | |
| source: new ol.source.OSM | |
| }), | |
| new ol.layer.Vector({ | |
| source: new ol.source.GeoJSON({ | |
| format: new ol.format.GeoJSON({ | |
| defaultProjection: 'EPSG:4326' | |
| }), | |
| projection: 'EPSG:3857', | |
| text: '{"type":"Feature","geometry":{"type":"Polygon","coordinates":[[[130.42, 32.35],[134.15, 35.27],[139.43, 35.78],[137.32, 31.37]]]}}' | |
| }) | |
| }) | |
| ], | |
| view: new ol.View({ | |
| center: ol.proj.transform([134.15, 35.27], 'EPSG:4326', 'EPSG:3857'), | |
| zoom: 6 | |
| }) | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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Great conversion example!