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Bborie Park authored
Addition of ST_ValuePercent, sibling of ST_ValueCount. This function provides the ability to determine the percentage of a raster's band that is of a user-specified value. Assocated ticket is #990 Also specified STRICT for functions with "searchvalue" (the singular) argument. git-svn-id: http://svn.osgeo.org/postgis/trunk@7256 b70326c6-7e19-0410-871a-916f4a2858ee
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