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{ | ||
"name": "raster_value", | ||
"type": "function", | ||
"description": "Returns the raster value found at the provided point.", | ||
"arguments": [ {"arg":"layer","description":"the name or id of a raster layer"}, | ||
{"arg":"band","description":"the band number to sample the value from."}, | ||
{"arg":"point","description":"point geometry (for multipart geometries having more than one part, a null value will be returned)"}], | ||
"examples": [ { "expression":"raster_value('dem', 1, make_point(1,1))", "returns":"25"}] | ||
} | ||
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