[postgis-devel] [PostGIS] #860: [raster] Modify ST_MapAlgebra to handle expressions and user-functions

PostGIS trac at osgeo.org
Mon Oct 17 07:37:08 PDT 2011

#860: [raster] Modify ST_MapAlgebra to handle expressions and user-functions
 Reporter:  dzwarg          |       Owner:  pracine      
     Type:  enhancement     |      Status:  new          
 Priority:  blocker         |   Milestone:  PostGIS 2.0.0
Component:  postgis raster  |     Version:  trunk        
 Keywords:  history         |  

Comment(by robe):

 I think you have a typo in the last example:





 Also it is unclear from the description what the args argument is for an
 if all userdefined functions require a second text[].  For example the
 rast_plus_tan functions takes a text[] as second arg but never uses it.

Ticket URL: <http://trac.osgeo.org/postgis/ticket/860#comment:17>
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