Hi Andreas,

On Dec 7, 2011, at 3:32 AM, Andreas Hocevar wrote:

> Don't forget to configure your map with the appropriate options for
> Web Mercator layers:
> 
> {
>    projection: "EPSG:3857",
>    units: "m",
>    maxResolution: 156543.0339,
>    maxExtent: [-20037508.34, -20037508.34, 20037508.34, 20037508.34]
> }
> 
> 


Yes, of course. My map is configured with the above options, and as I said in 
my original post, it works just fine when retrieved directly as a WMS from 
OpenLayers. However, as I also said, I need to experiment with a request via a 
proxy. When I do that, I end up getting either a complete map per tile request, 
or, if I use singleTile:true, I do get a single map correctly but the map is 
shifted completely.

I am passing to the proxy all the parameters that OpenLayers is sending, so 
MapServer is receiving everything that it would have received directly.


> On Tue, Dec 6, 2011 at 11:46 PM, Puneet Kishor <[email protected]> wrote:
>> I have a simple WMS (served by MapServer) overlaid on a Google Map baselayer 
>> defined like so
>> 
>>        var layer = new OpenLayers.Layer.WMS(
>>                "Layer name",
>>                "http://path/to/cgi-bin/app";,
>>                {layers: "layer", transparent: true},
>>                {isBaseLayer: false, opacity: 0.6}
>>        );
>> 
>> The above works very well but, now I have to get the above layer via a 
>> proxy. As is, I end up getting the complete map repeated in every tile. So, 
>> I changed the layer definition to the following
>> 
>>        var layer = new OpenLayers.Layer.WMS(
>>                "Layer name",
>>                "http://path/to/proxy/app";,
>>                {layers: "layer", transparent: true},
>>                {isBaseLayer: false, opacity: 0.6, singleTile: true}
>>        );
>> 
>> Now I get a single complete map, however, it doesn't align with the Google 
>> Map baselayer. I tried adding `sphericalMercator: true` to the layer 
>> definition but no joy.
>> 
>> Suggestions?
>> 
>> 
>> --
>> Puneet Kishor_______________________________________________
>> Users mailing list
>> [email protected]
>> http://lists.osgeo.org/mailman/listinfo/openlayers-users
> 
> 
> 
> -- 
> Andreas Hocevar
> OpenGeo - http://opengeo.org/
> Expert service straight from the developers.

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