[mapguide-trac] #652: Maestro: Warn user when adding a raster layer to a map with a different coordinate system

[MapGuide Open Source]

#652: Maestro: Warn user when adding a raster layer to a map with a different
coordinate system
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 Reporter:  jbirch       |         Owner:  ksgeograf
     Type:  enhancement  |        Status:  assigned 
 Priority:  medium       |     Milestone:           
Component:  Maestro      |       Version:           
 Severity:  minor        |    Resolution:           
 Keywords:               |   External_id:           
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Changes (by ksgeograf):

  * status:  new => assigned

Comment:

 Yes. Nice idea. It is indeed possible to detect if the layer is a raster.
 There will be a small overhead when adding the layer, due to a call to
 "DescribeSchema" for getting the coordinate system.

 I will also add a check to see if the extent reported by the provider is
 the (-1000000,-1000000,1000000,1000000) extent, which is sometimes a
 masked error, and in any case, not likely to be a valid bound.

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Ticket URL: <https://trac.osgeo.org/mapguide/ticket/652#comment:2>
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