[postgis-tickets] [PostGIS] #2326: [raster]: ST_ColorMap doesn't respect nodata value

PostGIS trac at osgeo.org
Mon May 13 06:54:35 PDT 2013


#2326: [raster]: ST_ColorMap doesn't respect nodata value
--------------------+-------------------------------------------------------
 Reporter:  robe    |       Owner:  dustymugs    
     Type:  defect  |      Status:  new          
 Priority:  medium  |   Milestone:  PostGIS 2.1.0
Component:  raster  |     Version:  2.0.x        
 Keywords:          |  
--------------------+-------------------------------------------------------
 As far as I can tell even with a custom color map that explicitly
 specifies an nv, I can't get the returning raster to have a no data value,
 which forces me to do:

 ST_SetNoDataValue(ST_SetNoDataValue(ST_SetNoDataValue(ST_ColorMap(..
 so that I can overlay it on another raster without it covering up the
 features.

 If this is by design it should be stated in docs so might just be a doc
 bug.

-- 
Ticket URL: <http://trac.osgeo.org/postgis/ticket/2326>
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