[OpenLayers-Users] How to add an overlay to the map, but not select it by default

[Adrian Popa]

To answer my own question - apparently setting the visibility property 
on the layer does the trick:

rtc.visibility = false

Thanks anyway :)

Adrian Popa wrote:
> Hello everyone,
>
> I'm trying to add several overlay layers (from mapserver) to an 
> openlayers map. Everything works as expected, but when the map loads, 
> all the overlay layers are selected. I would like to have the ability 
> (programmatically) to select which layers are selected by default. 
> Here's an example of how I enable an overlay layer:
>
> var rtc = new OpenLayers.Layer.MapServer("Test", 
> "http://terra/cgi-bin/mapserv", { map='/var/www/html/map/rtc.map', 
> transparent:true, format:'png',
> map_imagetype: 'agg',layers: 'mylayer', maxExtent: new 
> OpenLayers.Bounds(20.26, 43.16, 29.70, 48.46), maxResolution: 
> 156543,units: 'm'},
> { isBaseLayer:false, projection: sphericalMercator, singleTile: 'true'});
>
> map.addLayers([rtc]);
>
> I was unable to find a method in the documentation to allow me to 
> 'deselect' specific layers. If there is, I would appreciate a pointer.
>
> Thanks in advance,
> Adrian
>
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