Changes between Version 45 and Version 46 of WKTRaster/SpecificationWorking02


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Timestamp:
Sep 21, 2010, 9:54:56 AM (10 years ago)
Author:
pracine
Comment:

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  • WKTRaster/SpecificationWorking02

    v45 v46  
    219219  9) ST_AddBand(rast1 raster, rast2 raster)
    220220
    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.
    226222
    227223 '''Implementation details'''
    228224
    229225 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.