Changes between Version 23 and Version 24 of WKTRaster/SpecificationFinal01


Ignore:
Timestamp:
Aug 27, 2010, 11:48:32 AM (14 years ago)
Author:
pracine
Comment:

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  • WKTRaster/SpecificationFinal01

    v23 v24  
    111111Return the !NoDataValue of the specified  1-based Nth band of raster. Band index is 1-based. The value is always returned as a float32 even if the pixel type is integer.
    112112
     113----
     114== '''Objective 0.1.6i - Being able to quickly get metadata for raster and band.''' ==
     115
    113116'''ST_Metadata(raster) -> record'''[[BR]]
    114117Returns all the metadata associated with a raster (upper left x, upper left y, width, height, pixelsize x, pixelsize y, skew x, skew y, srid, numbands in this order). Does not include any band metadata. If you want band metadata, add ST_BandMetadata(raster, integer) to your query.
    … …  
    120123
    121124It should be used like this: "SELECT (bmd).* FROM (SELECT ST_BandMetadata(rast) AS bmd FROM myrastertable) foo"
     125
    122126----
    123127== '''RASTER_COLUMNS Metadata Table''' ==