[postgis-devel] [PostGIS] #1119: [raster] Modify ST_Mapalgebra so that the expression can refer to any band

[PostGIS]

#1119: [raster] Modify ST_Mapalgebra so that the expression can refer to any band
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 Reporter:  pracine         |       Owner:  pracine              
     Type:  enhancement     |      Status:  new                  
 Priority:  low             |   Milestone:  PostGIS Raster Future
Component:  postgis raster  |     Version:  trunk                
 Keywords:                  |  
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 This could be useful for:

 -Writing expressions (like 'average') involving any band of the raster

 -Refer to weighted information created by ST_AsRaster() (the length or the
 area of the geometry intersecting with the pixel

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/1119>
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