PG_FUNCTION_INFO_V1() [2/8]

PG_FUNCTION_INFO_V1

(

RASTER_getPixelValue

)

Return value of a single pixel.

Pixel location is specified by 1-based index of Nth band of raster and X,Y coordinates (X <= RT_Width(raster) and Y <= RT_Height(raster)).

TODO: Should we return NUMERIC instead of FLOAT8 ?