[mapguide-trac] #1922: AJAX Grouped Layers On/Off Enhancement

[MapGuide Open Source]

#1922: AJAX Grouped Layers On/Off Enhancement
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   Reporter:  crispinatime  |       Owner:       
       Type:  enhancement   |      Status:  new  
   Priority:  low           |   Milestone:  2.4  
  Component:  AJAX Viewer   |     Version:  2.2.0
   Severity:  minor         |    Keywords:       
External_id:                |  
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Comment(by jng):

 This is currently not possible because the map image request has to be
 made to make layer/group state changes as well as getting back an image.

 Ideally there should be a separate operation for fiddling with layer/group
 states, or the GETDYNAMICOVERLAYIMAGE operation needs a do-not-render
 flag, so you can fiddle layer/groups visibility without needing a rendered
 result.

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Ticket URL: <http://trac.osgeo.org/mapguide/ticket/1922#comment:1>
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