PostGIS
Synopsis
bytea +`*`+ST_AsBinary*(`raster `rast, boolean
outasin=FALSE`)`;
bytea +`*`+ST_AsWKB*(`raster `rast, boolean
outasin=FALSE`)`;
Description
Returns the Binary representation of the raster. If outasin is TRUE,
out-db bands are treated as in-db. Refer to
raster/doc/RFC2-WellKnownBinaryFormat located in the PostGIS source
folder for details of the representation.
This is useful in binary cursors to pull data out of the database without converting it to a string representation.
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Enhanced: 2.1.0 Addition of outasin
Enhanced: 2.5.0 Addition of ST_AsWKB
Examples
SELECT ST_AsBinary(rast) As rastbin FROM dummy_rast WHERE rid=1;
rastbin
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\001\000\000\000\000\000\000\000\000\000\000\000@\000\000\000\000\000\000\010@\000\000\000\000\000\000\340?\000\000\000\000\000\000\340?\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\012\000\000\000\012\000\024\000