我是使用HTML創建地圖的新手,我一直在嘗試向底圖(道路)添加兩個矢量圖層(地點,點),但是我無法看到矢量圖層地圖。這些圖層應顯示爲向基礎地圖的矢量疊加層。層在那裏,因爲它們在層切換器中顯示,但不顯示在屏幕上。我相信問題在於如何調用矢量圖層。什麼是解決方案來獲取矢量圖層顯示。謝謝在OpenLayers地圖中查看矢量圖疊加
var map = new OpenLayers.Map("map-id");
var roads= new OpenLayers.Layer.WMS(
"roads",
"http://localhost:8080/geoserver/wms",
{layers: "roads"});
var points= new OpenLayers.Layer.Vector(
"points",
"http://localhost:8080/geoserver/wms",
{layers: "points"});
var places= new OpenLayers.Layer.Vector(
"places",
"http://localhost:8080/geoserver/wms",
{layers: "places"});
map.addLayer(roads);
map.addLayer(points);
map.addLayer(places);
map.addControl(new OpenLayers.Control.LayerSwitcher());
圖層是否與地圖具有相同的投影? – 2012-04-15 14:08:54
所有圖層都在相同的投影中。當格式從新的OpenLayers.Layer.Vector更改爲新的OpenLayers.Layer.WMS時,它們可以顯示在地圖上。然而,這只是使他們底圖圖層 – martynminear 2012-04-15 14:12:06