GeoJSON+;OpenLayers+;OSM
这是一个基本示例,在OpenLayers网站上稍作修改GeoJSON+;OpenLayers+;OSM,openlayers,openstreetmap,geojson,Openlayers,Openstreetmap,Geojson,这是一个基本示例,在OpenLayers网站上稍作修改 当我使用WMS(r2注释,r3未注释)时,它可以工作 当我使用OSM(r2未注释,r2注释)时,它不会工作 我想使用OSM,我缺少什么 var map = new OpenLayers.Map('map'); //osmLayer = new OpenLayers.Layer.OSM(); osmLayer = new OpenLayers.Layer.WMS("OpenLayers WM
- 当我使用WMS(r2注释,r3未注释)时,它可以工作
- 当我使用OSM(r2未注释,r2注释)时,它不会工作
var map = new OpenLayers.Map('map');
//osmLayer = new OpenLayers.Layer.OSM();
osmLayer = new OpenLayers.Layer.WMS("OpenLayers WMS", "http://vmap0.tiles.osgeo.org/wms/vmap0", {layers: 'basic'});
map.addLayer(osmLayer);
map.setCenter(new OpenLayers.LonLat(10, 45), 6);
var myGeoJSON = {
"type": "FeatureCollection",
"features": [
{"geometry":{
"type":"GeometryCollection",
"geometries":[
{
"type":"LineString",
"coordinates":
[[11.0878902207, 45.1602390564],
[15.01953125, 48.1298828125]]
}
]
},
"type":"Feature",
"properties": {}}
]
};
var geojson_format = new OpenLayers.Format.GeoJSON();
var vector_layer = new OpenLayers.Layer.Vector();
map.addLayer(vector_layer);
vector_layer.addFeatures(geojson_format.read(myGeoJSON));
此代码段可用于具有以下内容的html页面:
<script src="http://openlayers.org/api/OpenLayers.js"></script>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.js"></script>
<div style="width: 100%; height: 100%;" id="map"></div>
对于OSM,您需要添加投影内容(在您的示例中,您将lon/lat与OSM混合): 例如:
OpenLayers基本OSM示例
var映射,层;
函数init(){
map=newOpenLayers.map('map');
layer=新的OpenLayers.layer.OSM(“简单OSM映射”);
map.addLayer(层);
地图设置中心(
新OpenLayers.LonLat(-71.147,42.472).转换(
新OpenLayers.投影(“EPSG:4326”),
map.getProjectionObject()文件
), 12
);
}
基本OSM示例
openstreetmap基本灯光
显示一个简单的OSM映射
此示例显示了一个非常简单的OSM布局,具有最少的控件。
如果您需要添加谷歌地图(mercator),您还需要查看这些地图:
希望这有帮助
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<meta name="apple-mobile-web-app-capable" content="yes">
<title>OpenLayers Basic OSM Example</title>
<link rel="stylesheet" href="../theme/default/style.css" type="text/css">
<link rel="stylesheet" href="style.css" type="text/css">
<script src="../OpenLayers.js"></script>
<script type="text/javascript">
var map, layer;
function init(){
map = new OpenLayers.Map( 'map');
layer = new OpenLayers.Layer.OSM( "Simple OSM Map");
map.addLayer(layer);
map.setCenter(
new OpenLayers.LonLat(-71.147, 42.472).transform(
new OpenLayers.Projection("EPSG:4326"),
map.getProjectionObject()
), 12
);
}
</script>
</head>
<body onload="init()">
<h1 id="title">Basic OSM Example</h1>
<div id="tags">
openstreetmap basic light
</div>
<div id="shortdesc">Show a Simple OSM Map</div>
<div id="map" class="smallmap"></div>
<div id="docs">
<p>This example shows a very simple OSM layout with minimal controls.</p>
</div>
</body>
</html>