[OpenLayers-Dev] Getting list of layers from a mapsever + openlayers that are in a viewport extent

[Scott Stewart]

Hi,

Using Openlayers with Mapserver (backended by a POSTGIS db), is there any
known or prescribed way to get a list of layers that would be displayed in
the viewport?

If it matters, we do store the extent of each layer in the mapserver map
config file.

The end game is to be able to build a legend for layers that are on the map.
Any ideas?

-- 
Scott Stewart
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