Changes between Version 74 and Version 75 of WKTRaster/SpecificationWorking01

Timestamp:

12/16/09 14:34:19 (15 years ago)

Author:

pracine

Comment:

—

WKTRaster/SpecificationWorking01

@@ -190 +190 @@
 '''Function definitions for WKT Raster 0.1.6'''
 
+ST_GetBBox(raster) (not yet implemented but planned) is replaced with ST_Envelope() since there is no more an equivalent ST_GetBBox function in PostGIS.
+
+ST_Raster_to_box2d(raster) should be renamed ST_box2d(raster).
+
 '''ST_Box2D(raster) -> BOX2D''' - Returns a BOX2D representing the extent of the raster.
 
@@ -257 +261 @@
  This function construct the WKT strings representing the geometries grouping pixels of a raster having the same value. It does not directly construct geometries and therefore prevent WKT Raster from having to link with liblwgeom.a (see "Why avoid to link with PostGIS?" below)
 
-ST_GetBBox(raster) (not yet implemented but planned) is replaced with ST_Envelope() since there is no equivalent function in PostGIS.
-
-ST_Raster_to_box2d(raster) should be renamed ST_box2d(raster).
+ It should be implemented by passing the raster to GDAL and convert each polygon produced by the