Changes between Version 45 and Version 46 of WKTRaster/SpecificationWorking02
- Timestamp:
- 09/21/10 09:54:56 (14 years ago)
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WKTRaster/SpecificationWorking02
v45 v46 219 219 9) ST_AddBand(rast1 raster, rast2 raster) 220 220 221 Variant 7 copy rast2 band into rast1 at the specified index. This function is useful in a number of plpgsql functions and to optimize ST_MapAlgebra. 222 223 Variant 8 add the rast2 band as the last band of rast1. 224 225 Variant 9 default band to 1 and add it as the last band of rast1. 221 Variant 8 and 9 add the rast2 band as the last band of rast1. 226 222 227 223 '''Implementation details''' 228 224 229 225 Only variant 1 should be implemented as a C functions. Others variants are plpgsql variants. 226 227 Variant 7 is useful to optimize ST_MapAlgebra.