[OpenLayers-Users] problem with empty baselayer and google

Andreas Hocevar ahocevar at opengeo.org
Mon Feb 8 12:07:58 EST 2010


Hi,

a lot of these google and baselayer issues have been fixed recently. Are 
you seeing his problem with OpenLayers 2.8 or trunk? If the latter, then 
please create a ticket. If the former, then please try a nightly build 
or check out trunk from svn.

Regards,
Andreas.

Steve.Toutant at inspq.qc.ca wrote:
>
> Hi,
> I have a problem using an empty base layer with a google layer. They 
> are defined like this
> var googleH = new OpenLayers.Layer.Google( "Google Hybrid", { type: 
> G_HYBRID_MAP, 'sphericalMercator': true} );
> var aucunContexte = new OpenLayers.Layer("AucunContexte",{isBaseLayer: 
> true});
>
> I have an overlay layer
> var overlay = new OpenLayers.Layer.WMS('RSS', 
> 'http://geo.inspq.rtss.qc.ca/cgi-bin/mapserv.exe?map=MAPCA&',{layers: 
> 'RSS', transparent: "true", format:"image/gif"},{isBaseLayer: false, 
> visibility: true,singleTile:true});
>
> When the empty layer and the overlay layer are visible by default when 
> the application opens, everyting is fine. But if I switch to the 
> google hybrid layer, I see only one tile at the upper left corner
> But, if the applications loads with the hybrid and overlay layer 
> visible, this problem does not occur. i can switch to the empty layer 
> without problem.
>
> I also tried with this, but the result is the same.
> var aucunContexte = new OpenLayers.Layer("AucunContexte",{isBaseLayer: 
> true, maxResolution: 156543.0339, maxExtent: new 
> OpenLayers.Bounds(-20037508.34, -20037508.34, 20037508.34, 
> 20037508.34)});
>
> Here is the mapOptions
>   var mapOptions = {
>  projection: "EPSG:900913",
> displayProjection: new OpenLayers.Projection("EPSG:4326"), //Pour 
> afficher les coord lat long
>  units: "m",
>  maxResolution: 156543.0339,
> maxExtent: new OpenLayers.Bounds(-20037508.34, -20037508.34, 
> 20037508.34, 20037508.34),
> controls: [],//on les définit plus loin
> numZoomLevels: 20
>         };
>
> What could be the problem?
> Thanks
> Steve
> ------------------------------------------------------------------------
>
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>   


-- 
Andreas Hocevar
OpenGeo - http://opengeo.org/
Expert service straight from the developers.




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