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

PostGIS trac at osgeo.org
Thu Oct 20 06:29:48 PDT 2011

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

  * status:  new => assigned


 So here's a documentation question: I created 8 different version of
 ST_MapAlgebraFct, with different permutations of arguments. They can be
 grouped into 4 variants with and 4 variants without the last argument
 (text[]). Does it therefore make sense to have 4 variants documented, with
 the last argument (text[]) marked as optional?

 In addition, should the simplest variant be documented first, then the
 more explicit variants later?

Ticket URL: <http://trac.osgeo.org/postgis/ticket/860#comment:23>
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