[OpenLayers-Users] overlay google map

[Andreas Hocevar]

You won't need proj4js. GeoServer can serve any layer in any SRS by default.

Set up your map like in this example: http://openlayers.org/dev/examples/google-v3.html

And then you simply do something like this:

map.addLayer(new OpenLayers.Layer.WMS(
    "mylayer", "http://path/to/geoserver/wms",
    {layers: "mylayer", format: "image/png"}
);

Andreas.

On Jul 28, 2011, at 14:50 , Nicholas Efremov-Kendall wrote:

> Hi Jaishankar,
> 
> I don't know geoserver well, so I can't help you there. There should be plenty of examples if you google for the the proj4.js library.
> Here's the link to the OL documentation, which has a basic example. http://docs.openlayers.org/library/spherical_mercator.html?highlight=reprojection#working-with-projected-coordinates
> 
> 
> On Thu, Jul 28, 2011 at 6:46 AM, Jaishankar Madamshetty <Jaishankar.Madamshetty at infotech-enterprises.com> wrote:
> Hi Nicholas,
> 
>  
> 
> I have setup my WMS layers in Geoserver. Please can you send me the sample code on how to do it in OL, otherwise please send me any links explaining this process?
> 
>  
> 
> Regards,
> 
> Jaishankar
> 
>  
> 
> From: openlayers-users-bounces at lists.osgeo.org [mailto:openlayers-users-bounces at lists.osgeo.org] On Behalf Of Nicholas Efremov-Kendall
> Sent: Thursday, July 28, 2011 4:51 PM
> To: Jaishankar Madamshetty
> Cc: openlayers-users at lists.osgeo.org
> Subject: Re: [OpenLayers-Users] overlay google map
> 
>  
> 
> Hi,
> 
>  
> 
> I don't know what you're using to set up the WMS, but you can use ogr2ogr to reproject the raw data, or tinker with proj4.js to do it in OL.
> 
>  
> 
> On Thu, Jul 28, 2011 at 6:19 AM, Nicholas Efremov-Kendall <n.e.kendall at gmail.com> wrote:
> 
> You have to reproject your WMS layers to the webmercator, OL only supports EPSG 900913, and 4326, so your WMS wouldn't show correctly unless you were using the Proj4.js
> 
> On Thu, Jul 28, 2011 at 5:08 AM, Jaishankar Madamshetty <Jaishankar.Madamshetty at infotech-enterprises.com> wrote:
> 
> Hi list,
> 
>  
> 
> I wanted to set Google map as my base layer. My WMS layers are configured with EPSG: 32743. When I add Google map as given in the Open Layers example, it showing Google map perfectly, but I am unable to find my WMS layers Data. Even I tried with CQL filter on feature ID, but unable to locate any of the feature from my WMS data. I think I need to re-project my data to match with the Google map projections. Please can anyone let me know how to do it? And one more query, how to set the zoomtoMaxExtent property such that the screen should fit with my WMS layers extent with background Google map (I do not want to set the Google map bounding box)
> 
>  
> 
> Thanks & Regards,
> 
> Jaishankar
> 
>  
> 
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-- 
Andreas Hocevar
OpenGeo - http://opengeo.org/
Expert service straight from the developers.