i must add that the problem occurs only in Internet explorer 7 or 8
----- Original Message ----- From: Pierluigi Santin To: users@openlayers.org Sent: Monday, September 28, 2009 12:54 PM Subject: geojson google maps zoom levels i have a big problem i'm managing to overlay a geojson layer to google maps i did it succesfully my problem is that when i zoom in too much my geojson level disapperar i cannot get the problem can someone help me? this is the code <%@ Page Language="C#" AutoEventWireup="true" CodeFile="DefaultOL.aspx.cs" Inherits="DefaultOL" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> <script src="OpenLayers-2.8/OpenLayers.js" type="text/javascript"></script> <script src="http://ecn.dev.virtualearth.net/mapcontrol/mapcontrol.ashx?v=6.2&mkt=it-it"></script> <%--localhost google map key--%> <script src='http://maps.google.com/maps?file=api&v=2&key=ABQIAAAAjpkAC9ePGem0lIq5XcMiuhT2yXp_ZAY8_ufC3CFXhHIE1NvwkxTS6gjckBmeABOGXIUiOiZObZESPg'></script> </head> <body> <form id="form1" runat="server"> <asp:ScriptManager ID="ScriptManager1" runat="server"> <Services> <asp:ServiceReference Path="~/MapService.asmx" /> </Services> </asp:ScriptManager> <input type="button" onclick="getShape_onclick()" value="Overlay selected Shapefile" /> mappa: <div id="map" style="width: 800px; height: 500px"></div> <script type="text/javascript"> var map = null; function pageLoad() { var options = { projection: new OpenLayers.Projection("EPSG:900913"), displayProjection: new OpenLayers.Projection("EPSG:4326"), units: "m", maxResolution: 156543.0339, maxExtent: new OpenLayers.Bounds(-20037508.34, -20037508.34, 20037508.34, 20037508.34) //,numZoomLevels: 20 }; map = new OpenLayers.Map('map',options); var shaded = new OpenLayers.Layer.VirtualEarth("VE Shaded", { "sphericalMercator": true, type: VEMapStyle.Shaded }); var hybrid = new OpenLayers.Layer.VirtualEarth("VE Hybrid", { "sphericalMercator": true, type: VEMapStyle.Hybrid }); var aerial = new OpenLayers.Layer.VirtualEarth("VE Aerial", { "sphericalMercator": true, type: VEMapStyle.Aerial }); var google = new OpenLayers.Layer.Google("Google Hybrid", { "sphericalMercator": true, type: G_HYBRID_MAP}); map.addLayers([shaded, hybrid, aerial, google]); map.addControl(new OpenLayers.Control.LayerSwitcher()); map.addControl(new OpenLayers.Control.MousePosition()); map.setCenter(new OpenLayers.LonLat(1472482, 5794538), 5); } function getShape_onclick() { MapService.GetMapData('GBR1.shp', GetESRIData_success, onFailed); } function onFailed(e) { MessageBox(true, "Error while connecting to the remote web service. Please try again later.", 5000); } function GetESRIData_success(e) { //replace with call to webservice //var featurecollection = e; var featurecollection = { "type": "FeatureCollection", "features": [ { "geometry": { "type": "GeometryCollection", "geometries": [ { "type": "LineString", "coordinates": [[13.2, 46.1], [13, 46]] }, { "type": "Polygon", "coordinates": [[[11.0878902207, 45.1602390564], [14.931640625, 40.9228515625], [0.8251953125, 41.0986328125], [7.63671875, 48.96484375], [11.0878902207, 45.1602390564]]] }, { "type": "Point", "coordinates": [13.2, 46.1] } ] }, "type": "Feature", "properties": {} } ] }; var geojson_format = new OpenLayers.Format.GeoJSON({ 'internalProjection': new OpenLayers.Projection("EPSG:900913"), 'externalProjection': new OpenLayers.Projection("EPSG:4326") }); var vector_layer = new OpenLayers.Layer.Vector("shape"); //var vector_layer = new OpenLayers.Layer.Vector("shape", { projection: map.displayProjection }); map.addLayer(vector_layer); vector_layer.addFeatures(geojson_format.read(featurecollection)); } //]]> </script> </form> </body> </html>
_______________________________________________ Users mailing list Users@openlayers.org http://openlayers.org/mailman/listinfo/users