Changes between Version 45 and Version 46 of WKTRaster/SpecificationWorking02

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Timestamp:
09/21/10 09:54:56 (3 years ago)
Author:
pracine
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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.