[OpenLayers-Users] Problem displaying multiple wms layers in OpenLayers

[Christopher Schmidt]

On Mon, May 12, 2008 at 07:30:00PM -0700, Roger André wrote:
> Hi Everyone,
> 
> I'm having a problem that I suspect many of you has already dealt with.  I
> can't seem to combine several of my MapServer wms layers into a single OL
> map layer.  No matter how I structure the wms layer name array (in
> single-quotes, or double-quotes), I never can turn two wms layers on at
> once.  I'd like to take this wms request and make it into an open layers
> layer:

Layer.WMS("name", "url", {layers: ['wetlands', 'floodplain']})

-- Chris

> http://localhost/cgi-bin/mapserv.exe?map=../htdocs/520.map
> &SERVICE=WMS
> &VERSION=%221.1.1%22
> &REQUEST=GetMap
> &LAYERS=wetlands,floodplain
> &STYLES=
> &BBOX=775843.302946,602429.871045,848438.746010,635418.446144&WIDTH=600&HEIGHT=500&FORMAT=png&SRS=epsg:2286
> 
> I currently have a single OL layer for "wetlands" that works fine.  When I
> add "floodplain" to it, I either get a completely blank screen with no OL
> controls (which tells me that the .js syntax is messed up), or I get the
> OpenLayers canvas, but the layer in questions doesn't display any data.  Can
> someone send what the correct syntax should be for getting both layers
> called correctly from within OL?  Or tell me if there is a special trick
> related to Mapserver WMS and multiple layer calls?
> 
> 
> Thanks,
> 
> 
> Roger
> --

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-- 
Christopher Schmidt
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