[OpenLayers-Users] Google + WMS = misalign

[David Fawcett]

I am actually banging my head against almost the same problem right now.

If there is a solution that is 'more preferred' or cleaner than the
one pointed out by Gregor, I would love to hear about it...

David.

2010/1/8 Gregor at HostGIS <gregor at hostgis.com>:
>>> The two basemaps are from someone else's server in EPSG:23031, and the
>>> two overlays are from two more servers, one of them (Comerc) being our
>>> own. Nice alignment, indicating that our definition for 23031 must be right.
>> No, it doesn't prove that. It only shows that the transform from the other
>> servers' projection  (23031) to yours is correct. And isn't your comerc
>> server also in 23031? So no reprojection needed?
>
> Comerc and Catastro are different servers; if their 23031 aligns
> properly to ours, that's enough to convince me that they're correct.
>
> But, I was given a solution by one of the client's other contacts, and
> is it neat although slightly complex and a bit odd, and now it overlays:
> http://eixos.planol.info/google/
>
> The original solution was adapted from here:
> http://delta.icc.es/ideLocal/IdecServ?codi=181609&tipus=L&schema=tempc
>
> It seems to use elements that are not 100% kosher by OL's modern
> standards. It declares the map's projection as EPSG:4326, modifies
> OpenLayers.Layer.WMS to reproject the coordinates in the URL, and
> doesn't use sphericalMercator but does use reproject:true. A weird set
> of hacks, but apparently very effective.
>
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