Changes between Version 118 and Version 119 of WKTRaster/SpecificationWorking01

Timestamp:

Apr 1, 2010, 8:07:01 AM (14 years ago)

Author:

pracine

Comment:

—

WKTRaster/SpecificationWorking01

@@ -130 +130 @@
  Return the georeference's Y pixel size of the raster. [http://en.wikipedia.org/wiki/World_file See].
 
-'''ST_RotationX(raster) -> float64'''
- Return the georeference's X rotation.
-
-'''ST_RotationY(raster) -> float64'''
- Return the georeference's Y rotation. [http://en.wikipedia.org/wiki/World_file See].
+'''ST_SkewX(raster) -> float64'''
+ Return the georeference's X skew (or rotation parameter in some documentation).[http://en.wikipedia.org/wiki/World_file See].
+
+'''ST_SkewY(raster) -> float64'''
+ Return the georeference's Y skew (or rotation parameter in some documentation). [http://en.wikipedia.org/wiki/World_file See].
 
 '''ST_UpperLeftX(raster) -> float64'''
@@ -523 +523 @@
  Variant 1: ST_SetPixelSize(raster, xsize, ysize)
 
- ~~Variant 2: ST_SetPixelSize(raster, raster)~~
-
  Set the pixel size (cell size) on the specified raster. The base method sets the X and Y pixel size to the same value. The first variant sets the pixel sizes to the individually specified x and y sizes.  ~~The second variant sets the pixel size to the pixel size of the 2nd raster parameter.~~
 
@@ -538 +536 @@
 
 '''ST_SetBandNoDataValue(raster, band, value)'''
- Set the data value that corresponds to NODATA in the given raster and band.
+ Set the data value that corresponds to NODATA in the given raster's band.
 
 '''ST_BandHasNoDataValue(raster, band)'''
@@ -568 +566 @@
  '''Open Question:'''
   PR: The angle should be provided in radian or in degree?
+
+'''ST_Rotation(raster) -> float64'''
+ Return the georeference's rotation angle in (degree or radiant?) derived from the pixel size and the skew.
 
 '''ST_SetUpperLeft(raster, left, top)'''