[OpenLayers-Users] geometry collection

Thu Aug 6 04:26:39 EDT 2009

Dear openlayers users and developers,

I want to know if it is possible to show an geometry collection in an vector
layer?
If it is possible could anyone help me please with my code or tell me what
is the right way for using the geometrycollection??

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
<html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <title>OpenLayers Boxes Example</title>
        <link rel="stylesheet" href="../theme/default/style.css"
type="text/css" />
        <link rel="stylesheet" href="style.css" type="text/css" />
        <script src="../lib/OpenLayers.js"></script>
        <script type="text/javascript">
            var box_extents = [
                [-10, 50, 5, 60],
                [-75, 41, -71, 44],
                [-122.6, 37.6, -122.3, 37.9],
                [10, 10, 20, 20]
            ];
            var map;
            function init(){
                map = new OpenLayers.Map('map');

                var ol_wms = new OpenLayers.Layer.WMS( "OpenLayers WMS",
                    "http://labs.metacarta.com/wms/vmap0?", {layers:
'basic'} );

                var boxes  = new OpenLayers.Layer.Vector( "Boxes" );
                var geomcoll = new OpenLayers.Geometry.Collection;

                var ext = box_extents[0];
                    var bounds1 = new OpenLayers.Bounds(ext[0], ext[1],
ext[2], ext[3]);
                    var geo1=new
OpenLayers.Feature.Vector(bounds1.toGeometry());
                    geomcoll.addComponents(geo1);

                    ext = box_extents[1];
                    var bounds2 = new OpenLayers.Bounds(ext[0], ext[1],
ext[2], ext[3]);
                    var geo2=new
OpenLayers.Feature.Vector(bounds2.toGeometry());
                    geomcoll.addComponents(geo2);

                    ext = box_extents[2];
                    var bounds3 = new OpenLayers.Bounds(ext[0], ext[1],
ext[2], ext[3]);
                    var geo3=new
OpenLayers.Feature.Vector(bounds3.toGeometry());
                    geomcoll.addComponents(geo3);

                     boxes.addFeatures(geomcoll);

                map.addLayers([ol_wms, boxes]);
                map.addControl(new OpenLayers.Control.LayerSwitcher());
                var sf = new OpenLayers.Control.SelectFeature(boxes);
                map.addControl(sf);
                sf.activate();
                map.zoomToMaxExtent();
            }
        </script>
    </head>

    <body onload="init()">
        <h1 id="title">Boxes Example</h1>

        <div id="tags">
        </div>

        <p id="shortdesc">
            Demonstrate marker and box type annotations on a map.
        </p>

        <div id="map" class="smallmap"></div>

        <div id="docs"></div>
    </body>
</html>

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

The map is shown and the layer boxes is added, but there are no geometries
shown.
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