Thanks for the response, you are right both my layers are set as STATUS DEFAULT. However when I set one layer status to ON and the other OFF and view via mapserver (cgi-bin/mapserv.exe?) I can only see a blank white screen and via open layers I get the error message 'WMS server error.WMSLoadGetMapParams()'.
The same happens if both my layers are set to ON, I seem to only be able to view them when status set to DEFAULT. Thanks for any help in advance Paul 2009/9/8 Arnd Wippermann <[email protected]> > Hi, > > from your code both layers should be baselayers. That means only one layer > would displayed. That seems, that in your mapfile both layers have status > default. > > Arnd > > ------------------------------ > *Von:* [email protected] [mailto:[email protected]] > *Im Auftrag von *Paul Curran > *Gesendet:* Dienstag, 8. September 2009 23:10 > *An:* [email protected] > *Betreff:* [OpenLayers-Users] Display specific layer from mapfile > > Hi, > > I am having trouble displaying a specific layer from my mapfile. I have two > layers called '250' and 'uk'. I wish to display my '250' layer origninally, > then zoom closer to display my 'uk' layer. however both my layers are > currenlty displayed at all times. > > Am i going about this the correct way by having two variables 'layer1 and > 'layer2' for layers from the same mapfile? > > Currently my code is as follows > > var bounds = new OpenLayers.Bounds(0, 0, 660046, 1229782); > var map, layer1, layer2; > var options = { maxExtent: bounds, maxResolution: 600, numZoomLevels: 10}; > > layer1 = new OpenLayers.Layer.WMS("OpenLayers WMS", > "http://127.0.0.1/cgi-bin/mapserv.exe?";, { layers: "250", map: > '/ms4w/apps/openlayers-2.8/data/uk2.map', minZoomLevel: 1, maxZoomLevel: 4 > }, > { gutter: 15 }); > > layer2 = new OpenLayers.Layer.WMS("OpenLayers WMS", > "http://127.0.0.1/cgi-bin/mapserv.exe?";, { layers: "uk", map: > '/ms4w/apps/openlayers-2.8/data/uk2.map', minZoomLevel: 5, maxZoomLevel: 10 > }, > { gutter: 15 }); > > map.addLayer(layer1, layer2); > > Thanks for any help in advance > > > Paul >
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