[OpenLayers-Users] Suppressing layers from being loaded

[Jeff Yutzler]

I have a Layer that renders feature data from a richly populated 
datastore.  The problem is that at large scale, a Get Image operation is 
expensive but I can't seem to prevent the Get Image operation from 
occurring.  In an attempt to avoid the problem, I set {visibility: 
false} in the options when I instantiate the layer object, but this had 
no effect.  I have confirmed that the parameter has made its way to 
div.style.display = "none".  However, I see that Firefox is still 
attempting to load the image.  This is bad.  (FWIW, this layer extends 
Grid, but this problem would presumably occur on any layer type.)

I have reworked things to not put this particular layer in the map, but 
there are times where it would be nice to be able to do so.  Is there 
any way to reliably suppress a layer from being loaded?

I'm working off of 2.4, but I do not believe anything has changed in 
this area in the meantime.

Thanks.
-Jeff
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