[postgis-devel] [PostGIS] #1661: [raster] Make an aggregate version of SameAlignment

[PostGIS]

#1661: [raster] Make an aggregate version of SameAlignment
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 Reporter:  pracine      |       Owner:  pracine      
     Type:  enhancement  |      Status:  new          
 Priority:  medium       |   Milestone:  PostGIS 2.1.0
Component:  raster       |     Version:  trunk        
 Keywords:               |  
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 So that we can verify quickly if all the raster in a table (or a
 selection) have the same alignment. Should return false if one of the
 raster is not aligned.

 This could be useful to any process aggregating raster (like ST_Union and
 the GDAL driver in mode=2) to make sure of the right alignment of every
 raster involved in the aggregation. If one raster is not aligned these
 process should warn the users that he has to resample some of the raster
 or that he should pass some alignment parameters if the process accept
 some.

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/1661>
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