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I'm trying to load a layer as an overlay and make it initially not visible

    airBoss = new OpenLayers.Layer.Text( "AirBoss Locations", { location:"./airboss.txt"} , {
    visibility: false, isBaseLayer: false, displayInLayerSwitcher: true});
    map.addLayer(airBoss);
    airBoss.setZIndex(210);
    airBoss.setVisibility = false;

Using this code with or without the additional "setVisibility" line the layer always is visible. Is this a bug in the JavaScript of OpenLayers or am I doing something wrong?

1 Answer 1

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setVisibility() is a function not an attribute. You just need to change the last line of your sample code to airBoss.setVisibility(false)

ref: http://dev.openlayers.org/releases/OpenLayers-2.12/doc/apidocs/files/OpenLayers/Layer-js.html#OpenLayers.Layer.setVisibility

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  • 1
    Duh !! Thanks of course. Thanks for the answer I'll try it today.
    – MB.
    Commented Aug 12, 2012 at 18:20
  • Works perfeectly now, however even though I have displayInLayerSwitcher: false (changed the code) it still shows it in the layer switcher
    – MB.
    Commented Aug 13, 2012 at 16:17
  • @MB - same question was just asked today. check it out. gis.stackexchange.com/questions/31370/…
    – Vadim
    Commented Aug 13, 2012 at 17:34
  • Yeah this is exactly what I have in my script tried with and without the single quote marks. I think it works for WMS layers not text layers though
    – MB.
    Commented Aug 13, 2012 at 20:55

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