[OpenLayers-Users] 4326 WMS overlay on top of google reproject, WMS not showing up

[Eric Lemoine]

Hi. Does your WMS server support re-projecting your layer from 4326 to
900913? Eric

2008/9/18, Ed Fialkowski <edfialk at gmail.com>:
> Hello all, I'm trying to display a North American borders WMS layer
> (in EPSG:4326) on top of the google satellite layer here in
> openlayers.
> I got the google layer to reproject (thank you documentation), but I
> can't seem to get the WMS overlay to do what I tell it.
>
> Here's a linky: http://niceguy.wustl.edu/OPC/google.html
> -notice "Borders" overlay turns a black line up and down center of
> asia on and off.
>
> Here's what that layer should look like:
> http://niceguy.wustl.edu/OPC/borders.html
>
> If I could just get that to show up on top of the google layer, I'd be
> thrilled.
>
> Here's some pseudocode:
>             var options = {
>                 projection: new OpenLayers.Projection("EPSG:900913"),
>                 displayProjection: new OpenLayers.Projection("EPSG:4326"),
>                 units: "m",
>                 numZoomLevels: 18,
>                 maxResolution: 156543.0339,
>                 maxExtent: new OpenLayers.Bounds(-20037508, -20037508,
>                                                  20037508, 20037508.34)
>             };
>             map = new OpenLayers.Map('map', options);
>
>             // create Google Mercator layers
>             var gmap = new OpenLayers.Layer.Google(
>                 "Google Streets",
>                 {'sphericalMercator': true}
>             );
>
>             // create WMS layer
>             var wmsurl =
> "http://webapps.datafed.net/ogc_views_NEISGEI.wsfl?dataset_abbr_1=GSFC_NO2_OL&dataset_abbr_2=GSFC_NO2_OL&param_abbr_1=CO&param_abbr_2=CO&scale_min=0&scale_max=50&styles=bdr";
>             var wms = new OpenLayers.Layer.WMS.Untiled("Borders",
> wmsurl, {layers: 'OpenLayers', format: "png"}, {'isBaseLayer':false,
> 'wrapDateLine':true});
>
>
> Any questions, I'll try to respond ASAP.  Thanks for any suggestions.
> -Ed
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