Hi,

Thanks to both of you for your suggestions.  Setting transparent: true did the trick.

Is there some kind of comprehensive documentation that explains all of this?  I hate to clog the list with all these newbie questions.

Thanks!

Greg

Christopher Schmidt wrote:
On Fri, Aug 15, 2008 at 08:26:19AM +0300, Lehtonen, Mika wrote:
  
Hi Greg,
I believe you need to add layers with:

map.addLayers([stationsLayer,wms]);

instead of separate addLayer, though I am not sure if this is the thing 
preventing both layers to appear.
    

These two actually work exactly the same, so that's not it.

  
Greg Ederer kirjoitti:
    
Oh, and here's my code:

  wms = new OpenLayers.Layer.WMS(
    "esv:countries - Tiled", "http://localhost:8080/geoserver/wms",
      
<Snip>

  
 
  map.addLayer(stationsLayer);
 
  map.addLayer(wms);

      

Neither of your layers is an 'overlay'/non baseLayer.

You should set 'transparent': true on one layer's parameters (3rd hash)
or 'isBaseLayer': false to one layer's options (fourth hash).

Either of these should make the layer an 'overlay'.

Only one base layer should be visible on a map at once. 

Adding a Control.LayerSwitcher would allow you to switch between them.

Regards,
  


-- 
| E R G O N O S I S
| Greg Ederer
| Lead Developer
| [EMAIL PROTECTED]
| 360.774.6848
|
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