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我想在地圖上放置一個符號。例如。Openlayers:Vector Features而不是標記
到目前爲止,我已經使用的OpenLayers與OpenLayers.Layer.Markers
。代碼如下所示:
map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.OSM("Simple OSM Map");
map.addLayer(layer);
map.setCenter(
new OpenLayers.LonLat({{ location.lon }}, {{ location.lat }}).transform(
new OpenLayers.Projection("EPSG:4326"),
map.getProjectionObject()
), 15);
var lonLat = new OpenLayers.LonLat({{ location.lon }}, {{ location.lat }})
.transform(
new OpenLayers.Projection("EPSG:4326"), // transform from WGS 1984
map.getProjectionObject() // to Spherical Mercator Projection
);
var markers = new OpenLayers.Layer.Markers("Markers");
map.addLayer(markers);
markers.addMarker(new OpenLayers.Marker(lonLat));
這可以作爲例外,並顯示上圖。但我不能讓它使用向量與將最後3行工作:
vectors = new OpenLayers.Layer.Vector("Vector Layer");
vectors.addFeatures([new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Point(lonLat))]);
map.addLayer(vectors);
是否有使用OpenLayers.Feature.Vector
需要特殊的魔力?