[mapguide-trac] #1264: base group out of scale visibility

[MapGuide Open Source]

#1264: base group out of scale visibility
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   Reporter:  bscott       |       Owner:       
       Type:  enhancement  |      Status:  new  
   Priority:  medium       |   Milestone:  2.2  
  Component:  AJAX Viewer  |     Version:  2.1.0
   Severity:  minor        |    Keywords:       
External_id:               |  
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 Motivation
 Actually a baseGroup is declared as visible even if all of its layers are
 not visible at the current scale. This is causing extra overhead and it
 request unnecessary tiles.
 I've include a small patch that fixes that issue.
 With this patch, a basegroup is declared visible if it is checked visible
 and all of its layers are visible at current scale

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Ticket URL: <http://trac.osgeo.org/mapguide/ticket/1264>
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