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Created October 15, 2014 20:24
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OpenLayers3でOSMにPointとPolygonを重ねる
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openlayers3_test2.html
<!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>
<p>GeoJSON(FeatureCollection)：ポイントにマーカーを配置</p>
<div id="map" class="map"></div>
<script type="text/javascript">
var map = new ol.Map({
target: 'map',
renderer: 'canvas',
layers: [
//マップのレイヤー
new ol.layer.Tile({
source: new ol.source.OSM
}),
//ポリゴンのレイヤー
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]]]}}'
})
}),
//ポイントのレイヤー
new ol.layer.Vector({
source: new ol.source.GeoJSON({
format: new ol.format.GeoJSON({
defaultProjection: 'EPSG:4326'
}),
projection: 'EPSG:3857',
text: '{"type":"FeatureCollection","features":[{"type":"Feature","geometry":{"type":"Point","coordinates":[130.42, 32.35]}},{"type":"Feature","geometry":{"type":"Point","coordinates":[134.15, 35.27]}}]}'
}),
style: new ol.style.Style({
/*
円の場合
image: new ol.style.Circle({
radius: 5,
fill: new ol.style.Fill({color: 'orange'})
}),
*/
// マーカーの場合
image: new ol.style.Icon( /** @type {olx.style.IconOptions} */ ({
anchor: [0.5, 30],
anchorXUnits: 'fraction',
anchorYUnits: 'pixels',
opacity: 0.85,
src: 'pin.png'
}))
})
}),
],
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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