[OpenLayers-Users] marker help with tilecache
Aco
acopetko at gmail.com
Wed Mar 5 11:20:24 EST 2008
I am still trying to figure out this problem, please any help would be
appreciated.
I really cannot find a solution anywhere else and my biggest hope is this
forum.
Any thoughts ?
Thanks Again,
Aleks
Aco wrote:
>
> Hi and thanks to all the replies in advance,
>
> I am relatively new to tilecache. I have installed it on windows and it
> works fine, but the problem is that is when i want to add an openlayers
> marker, well it just doesn't display it. It displays it when I am not
> using
> tilecache to cache the image tiles.
>
> Here is my html.
>
> <html xmlns="http://www.w3.org/1999/xhtml">
> <head>
> <style type="text/css">
> #map {
> width: 100%;
> height: 99%;
> border: 1px solid black;
> }
> body {
> padding:0px;
> margin:2px
> }
> #labs {
> position:absolute;
> bottom:15px;
> left:7px;
> font-size:smaller;
> z-index: 5000;
> }
> </style>
> <script src="http://openlayers.org/api/OpenLayers.js"></script>
> <!--<script type="text/javascript" src="C:/Tomcat6/webapps
> /examples/Whitesnow/js/main_actions_1.0.js"></script>-->
> <script type="text/javascript">
> <!--
> var lon = 5;
> var lat = 40;
> var zoom = 5;
> var points = [];
> var map, layer, polygonLayer, markers, points_ring,
> area_of_interest_polygon, area_of_interest_feature, ol_wms, mouse;
> var icon_size = new OpenLayers.Size(1700,1700);
>
> var coords_lat = new Array();
> var coords_lon = new Array();
>
> var vector_style = OpenLayers.Util.extend({},
> OpenLayers.Feature.Vector.style['default']);
> vector_style.strokeColor = "#7F0000";
> vector_style.fillColor = "red";
>
> function init(){
> var options = {
> units: "m",
> projection: 'epsg:32661',
> resolutions: [5500000.0,2750000.0,1375000.0,687500.0,343750.0,
> 171875.0,85937.5, 42968.75,21484.375,10742.1875,5371.09375,2685.546875,
> 1342.7734375,671.38671875,335.693359375,167.8466796875,83.92333984375,
> 41.961669921875,20.9808349609375,10.49041748046875],
> maxExtent: new OpenLayers.Bounds
> (-2200000,-712631,3072800,3840000)
> };
> var options2 = {
> units: "m",
> maxResolution: "auto",
> projection: "EPSG:3573",
> resolutions: [5500000.0, 2750000.0, 1375000.0, 687500.0,
> 343750.0, 171875.0, 85937.5, 42968.75, 21484.375, 10742.1875, 5371.09375,
> 2685.546875, 1342.7734375, 671.38671875, 335.693359375, 167.8466796875,
> 83.92333984375, 41.961669921875, 20.9808349609375, 10.49041748046875],
> maxExtent: new OpenLayers.Bounds
> (-4000000,-4200000,3000000,3500000)
> };
> map = new OpenLayers.Map( 'map');
>
> ol_wms = new OpenLayers.Layer.WMS( "OpenLayers WMS",
> "http://labs.metacarta.com/wms/vmap0?", {layers:
> 'basic', srs: 'epsg:42304'});
>
> polygonLayer = new OpenLayers.Layer.Vector("Polygon Layer");
> markers = new OpenLayers.Layer.Markers( "Markers" );
>
>
>
> layer = new OpenLayers.Layer.WMS( "Openlayers WMS",
> "
> http://lakeice.uwaterloo.ca/TileCache-2.01/tilecache.cgi?", {layers:
> 'nsidc_polar', format: 'image/png' },options2 );
>
> map.addLayer(ol_wms);
>
> // map.addControl(new OpenLayers.Control.Permalink());
> if (!map.getCenter()) map.zoomToMaxExtent();
>
>
>
> mouse = new OpenLayers.Control.MousePosition();
> map.addControl(mouse);
>
> // markers.clearMarkers();
> //var marker = new OpenLayers.Marker(new OpenLayers.LonLat(0,
> 0), new OpenLayers.Icon("
> http://lakeice.uwaterloo.ca/TileCache-2.01/target2.png", icon_size));
> //markers.addMarker(new OpenLayers.Marker(new
> OpenLayers.LonLat(0,
> 0), new OpenLayers.Icon("
> http://lakeice.uwaterloo.ca/TileCache-2.01/target2.png", icon_size)));
> // markers.addMarker(new OpenLayers.Marker(new
> OpenLayers.LonLat
> (-5859.37500, -27734.37500), new OpenLayers.Icon("
> http://lakeice.uwaterloo.ca/TileCache-2.01/target2.png", icon_size)));
>
> map.events.register("click", map, function(e) {
> if (coords_lon.length < 4) {
> // alert("no");
> var lonlat = map.getLonLatFromViewPortPx(e.xy);
> coords_lon.push(lonlat.lon);
> coords_lat.push(lonlat.lat);
> // setOutputPoints();
> drawUniversalSelection();
> }
> });
>
>
> }
>
> function drawUniversalSelection() {
>
> points.length = 0;
> markers.clearMarkers();
> for (var x = 0; x < coords_lon.length; x++) {
> var marker = new OpenLayers.Marker(new
> OpenLayers.LonLat(coords_lon[x],
> coords_lat[x]), new OpenLayers.Icon("target2.png", icon_size));
> points[x] = new OpenLayers.Geometry.Point(coords_lon[x],
> coords_lat[x]);
> markers.addMarker(marker);
> map.addLayer(markers);
> //alert("yep");
>
> }
>
> if (coords_lon.length > 1) {
> points.push(points[0]);
> // alert("yep");
> }
> points_ring = new OpenLayers.Geometry.LinearRing(points);
> area_of_interest_polygon = new OpenLayers.Geometry.Polygon
> (points_ring);
> area_of_interest_feature = new OpenLayers.Feature.Vector
> (area_of_interest_polygon,null,vector_style);
> polygonLayer.destroyFeatures();
> polygonLayer.addFeatures([area_of_interest_feature]);
> map.addLayer(polygonLayer);
>
> }
> // -->
> </script>
> </head>
> <body onload="init()">
> <div id="map">
> <div id="labs">From http://labs.metacarta.com/ MetaCarta
> Labs .</div>
> </div>
> </body>
> </html>
>
>
> Thanks in advance,
>
>
> Aleks
>
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> Users mailing list
> Users at openlayers.org
> http://openlayers.org/mailman/listinfo/users
>
>
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