[OpenLayers-Users] Small shift between google and wms

[Simo D]

Thanks a lot for your help. I follow your suggestions and if is't fixed by
this way I build a simpler webapp.

Simone

Christopher Schmidt-2 wrote:
> 
> On Fri, May 22, 2009 at 08:19:49AM -0700, Simo D wrote:
>> 
>> Yes, for sure.  http://130.192.92.159/mapfish/prove/sdi_layout.html
>> Ithaca
>> sdi 
>> Thanks
> 
> That's a relatively complex example. For example, it uses MapFish, which
> introduces a number of potential issues. From what I can see, it appears
> that resizing the page has the effect of fixing the problem -- with that
> in mind, you might call map.updateSize() in a layerchanged listener to
> work around your problem. To narrow down the problem more, I'd recommend
> you create an example that is as simple as possible: see
> http://openlayers.org/pipermail/users/2009-May/011865.html for some tips
> on this process.
> 
> -- Chris
> 
>> Christopher Schmidt-2 wrote:
>> > 
>> > On Fri, May 22, 2009 at 08:07:03AM -0700, Simo D wrote:
>> >> 
>> >> I'm using a trunk version of the 2.8 checked out about three days ago.
>> >> Shall I checkout a newer version?
>> > 
>> > No, i think any potential fix would be included in that. Do you have a
>> > URL that people can see this at?
>> > 
>> >> 
>> >> Christopher Schmidt-2 wrote:
>> >> > 
>> >> > On Fri, May 22, 2009 at 07:57:02AM -0700, Simo D wrote:
>> >> >> 
>> >> >> Hi, I created an application which retireves a WMS layer from
>> >> geoserver
>> >> >> (chached in epsg:900913), the layers from google and a layer from
>> >> virtual
>> >> >> earth plus some georss(GML+GeoRSS format). The issue is that when I
>> >> >> switch
>> >> >> from wms to google, there is a small shift of the map, so the
>> georss
>> >> are
>> >> >> displayed in a wrong place. This shift disappears when zooming and
>> is
>> >> not
>> >> >> present with virtual earth.
>> >> > 
>> >> > Are you using OL 2.8? A fix was checked into RC2 to fix this, I
>> >> believe. 
>> >> > 
>> >> >> All the layers have the sphericalMercator set to true. Here follows
>> a
>> >> >> piece
>> >> >> of my code:
>> >> >> var options = {
>> >> >> 		projection: new OpenLayers.Projection("EPSG:900913"),
>> >> >> 		displayProjection: new OpenLayers.Projection("EPSG:900913"),
>> >> >> 		units: "m",
>> >> >> 		maxResolution: 156543.0339/4,
>> >> >> 		maxExtent: new OpenLayers.Bounds(-20037508.34,
>> >> >> -20037508.34,20037508.34,
>> >> >> 20037508.34),
>> >> >> 		restrictedExtent:  new OpenLayers.Bounds(-20037508.34,
>> >> >> -20037508.34,20037508.34, 20037508.34),
>> >> >> 		numZoomLevels: 10,
>> >> >> 		zoom: 1, 
>> >> >> 		controls: []
>> >> >> 		};
>> >> >> var world = new
>> >> >>
>> >>
>> OpenLayers.Layer.WMS("WFP-SDI",geoweb,{layers:'ithaca_world',"sphericalMercator":
>> >> >> true,format: 'image/png'});
>> >> >> 	var gmap = new OpenLayers.Layer.Google("Google
>> >> >> Streets",{'sphericalMercator': true,minZoomLevel: 2});
>> >> >> 	var gphy = new OpenLayers.Layer.Google("Google Physical",{type:
>> >> >> G_PHYSICAL_MAP,"sphericalMercator": true,minZoomLevel: 2});
>> >> >> 	var gsat = new OpenLayers.Layer.Google("Google Satellite",{type:
>> >> >> G_SATELLITE_MAP, 'sphericalMercator': true,minZoomLevel: 2});
>> >> >> 	var vaer = new OpenLayers.Layer.VirtualEarth( "VE",{ minZoomLevel:
>> 2,
>> >> >> maxZoomLevel: 12, 'type': VEMapStyle.Aerial,'sphericalMercator':
>> >> true});
>> >> >> 
>> >> >> 
>> >> >> Have you got any advice?
>> >> >> Thanks a lot.
>> >> >> 
>> >> >> Simone
>> >> >> -- 
>> >> >> View this message in context:
>> >> >>
>> >>
>> http://n2.nabble.com/Small-shift-between-google-and-wms-tp2957923p2957923.html
>> >> >> Sent from the OpenLayers Users mailing list archive at Nabble.com.
>> >> >> 
>> >> >> _______________________________________________
>> >> >> Users mailing list
>> >> >> Users at openlayers.org
>> >> >> http://openlayers.org/mailman/listinfo/users
>> >> > 
>> >> > -- 
>> >> > Christopher Schmidt
>> >> > MetaCarta
>> >> > _______________________________________________
>> >> > Users mailing list
>> >> > Users at openlayers.org
>> >> > http://openlayers.org/mailman/listinfo/users
>> >> > 
>> >> > 
>> >> 
>> >> -- 
>> >> View this message in context:
>> >>
>> http://n2.nabble.com/Small-shift-between-google-and-wms-tp2957923p2957979.html
>> >> Sent from the OpenLayers Users mailing list archive at Nabble.com.
>> >> 
>> >> _______________________________________________
>> >> Users mailing list
>> >> Users at openlayers.org
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>> > 
>> > -- 
>> > Christopher Schmidt
>> > MetaCarta
>> > _______________________________________________
>> > Users mailing list
>> > Users at openlayers.org
>> > http://openlayers.org/mailman/listinfo/users
>> > 
>> > 
>> 
>> -- 
>> View this message in context:
>> http://n2.nabble.com/Small-shift-between-google-and-wms-tp2957923p2958054.html
>> Sent from the OpenLayers Users mailing list archive at Nabble.com.
>> 
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> 
> -- 
> Christopher Schmidt
> MetaCarta
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> 
> 

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