[postgis-devel] [PostGIS] #297: [wktraster] Implement ST_AsPolygon function for raster

PostGIS trac at osgeo.org
Thu Jan 21 07:08:22 PST 2010


#297: [wktraster] Implement ST_AsPolygon function for raster
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  Reporter:  mloskot    |       Owner:  jorgearevalo   
      Type:  task       |      Status:  assigned       
  Priority:  high       |   Milestone:  WKTRaster 0.1.6
 Component:  wktraster  |     Version:  trunk          
Resolution:             |    Keywords:                 
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Comment (by jorgearevalo):

 We should take into account that GDALPolygonize uses a signed 32bit
 integer buffer (Int32) for the band data. Floating point values will be
 truncated before processing. This is a limitation for complex bands.

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/297#comment:9>
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