[mapguide-trac] #1428: GETMAPLEGENDIMAGE should have option to omit empty layer groups from being rendered

[MapGuide Open Source]

#1428: GETMAPLEGENDIMAGE should have option to omit empty layer groups from being
rendered
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   Reporter:  jng                |       Owner:                   
       Type:  enhancement        |      Status:  new              
   Priority:  medium             |   Milestone:                   
  Component:  Rendering Service  |     Version:                   
   Severity:  trivial            |    Keywords:  legend, rendering
External_id:                     |  
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 The current GETMAPLEGENDIMAGE operation has a limitation whereby all layer
 groups in the current map are included in the rendered legend image.

 If the map in question has lots of layer groups but the layers contained
 within are not visible in the current map view/scale, then this results in
 a rendered image containing lots of empty layer groups, cluttering up the
 image.

 The GETMAPLEGENDIMAGE operation should be enhanced to specify whether
 empty layer groups should be rendered to the resulting legend image.

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Ticket URL: <http://trac.osgeo.org/mapguide/ticket/1428>
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