Changes between Version 135 and Version 136 of WKTRaster/SpecificationWorking03
- Timestamp:
- 07/08/11 09:03:09 (13 years ago)
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WKTRaster/SpecificationWorking03
v135 v136 236 236 * Both raster must be aligned. This is determined using the ST_SameAlignment() function described below. If a resampling is necessary they use the planned ST_Resample() function to resample the second raster to the first one before processing (or the first to the second if an optional parameter is provided). If ST_Resample() is not yet implemented when these functions are implemented, just return an error message: "ERROR: MapAlgebra on rasters with different alignment not yet implemented." 237 237 238 * The computation extent (extentexpr in the functions below) can be: [[BR]][[BR]]238 * The computation extent (extentexpr in the functions below) can be: 239 239 240 240 -'FIRST' (the extent of the first raster),[[BR]]