[postgis-devel] [PostGIS] #1268: [raster] ST_MapAlgebraExpr for 2 rasters

PostGIS trac at osgeo.org
Mon Nov 7 08:57:00 PST 2011


#1268: [raster] ST_MapAlgebraExpr for 2 rasters
----------------------------+-----------------------------------------------
 Reporter:  dustymugs       |       Owner:  dustymugs    
     Type:  task            |      Status:  assigned     
 Priority:  medium          |   Milestone:  PostGIS 2.0.0
Component:  postgis raster  |     Version:  trunk        
 Keywords:                  |  
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Comment(by pracine):

 To me the question whether we should give a new name to a function doing
 essentially the same thing as another one or not is a matter of
 documentation. Do you want this function to be documented in the same page
 as her sister one-raster version or not? I think the one and two raster
 versions should be documented together in the same page and hence have the
 same name.

 We gave different name to the one using an expression (ST_MapalgebraExpr)
 and to the one using a custom function (ST_MapAlgebraFct) because the
 mechanism to implement the evaluation expression are very different.

 You could use a similar argument to justify a new name for the two raster
 version...

 I think robe should have the last word on this...

-- 
Ticket URL: <http://trac.osgeo.org/postgis/ticket/1268#comment:3>
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