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August 29, 2015 14:07
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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!