[OpenLayers-Dev] problem with updateSize

Wed Dec 12 07:35:30 EST 2007

On Wed, Dec 12, 2007 at 01:11:35PM +0100, Bart van den Eijnden (OSGIS) wrote:
> Hi list,
> 
> we've encountered a potential problem with updateSize in OL 2.5.
> 
> The updateSize function causes all invisible baselayers to request an image
> from their WMS service. At least for WMS untiled, I haven't checked other
> types.

This doesn't surprise me: Can you file this as a bug so it doesn't get
lost?

-- Chris

> I've created an example which can be used to reproduce, the easiest is to
> watch the Net console of Firebug.
> 
> <html xmlns="http://www.w3.org/1999/xhtml">
>   <head>
>     <style type="text/css">
>         #map {
>             width: 400px;
>             height: 500px;
>             border: 1px solid black;
>         }
>     </style>
>     <script src="../lib/OpenLayers.js"></script>
>     <script type="text/javascript">
>         var map;
> 
>         function resize() {
>           document.getElementById('map').style.width = '600px';
>           document.getElementById('map').style.height = '800px';
>           map.updateSize();
>         }
> 
>         function init(){
>           OpenLayers.DOTS_PER_INCH = 90.714;
>           map = new OpenLayers.Map( 'map', { 'projection': 'EPSG:28992',
> 'units':'m', 'maxExtent': new
> OpenLayers.Bounds(0,300000,300000,600000),'scales': [2000000, 1500000,
> 1000000, 750000, 500000, 375000, 250000, 100000, 50000, 25000, 10000, 5000,
> 2500, 1000]});
> 
>           var layer = new OpenLayers.Layer.WMS( "Provincies",
> "http://www.rijkswaterstaat.nl/services/geoservices/overzichtskaartnl?",
> {layers: 'NL-prov,bebouwing', 'format':'image/gif', 'transparent':'TRUE'},
> {'ratio':1, singleTile: true, isBaseLayer: true} );
>           map.addLayer(layer);
> 
>           var layer = new OpenLayers.Layer.WMS( "Dijkringgebieden",
> "http://www.rijkswaterstaat.nl/services/geoservices/basispakket/grenzen?",
> {layers: 'AAA205', 'format':'image/gif', 'transparent':'TRUE'}, {'ratio':1,
> singleTile: true, isBaseLayer: true, visibility: false} );
>           map.addLayer(layer);
>           if (!map.getCenter()) map.zoomToMaxExtent();
> 
>            map.addControl( new OpenLayers.Control.LayerSwitcher() );
>         }
>     </script>
>   </head>
>   <a href="javascript:resize()">Resize</a>
>   <body onload="init()">
>     <div id="map"></div>
>   </body>
> </html>
> 
> TIA.
> 
> Best regards,
> Bart
> 
> --
> Bart van den Eijnden
> OSGIS, Open Source GIS
> http://www.osgis.nl
> 
> 
> 
> 
> 
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-- 
Christopher Schmidt
MetaCarta