RS_MakeRaster

Introduction: Creates a raster from the given array of pixel values. The width, height, geo-reference information, and the CRS will be taken from the given reference raster. The data type of the resulting raster will be DOUBLE and the number of bands of the resulting raster will be data.length / (refRaster.width * refRaster.height).

Since: v1.6.0

Format: RS_MakeRaster(refRaster: Raster, bandDataType: String, data: ARRAY[Double])

  • refRaster: The reference raster from which the width, height, geo-reference information, and the CRS will be taken.
  • bandDataType: The data type of the bands in the resulting raster. Please refer to the RS_MakeEmptyRaster function for the accepted values.
  • data: The array of pixel values. The size of the array cannot be 0, and should be multiple of width * height of the reference raster.

SQL example:

WITH r AS (SELECT RS_MakeEmptyRaster(2, 3, 2, 0.0, 0.0, 1.0, -1.0, 0.0, 0.0, 4326) AS rast)
SELECT RS_AsMatrix(RS_MakeRaster(rast, 'D', ARRAY(1, 2, 3, 4, 5, 6))) FROM r

Output:

+------------------------------------------------------------+
|rs_asmatrix(rs_makeraster(rast, D, array(1, 2, 3, 4, 5, 6)))|
+------------------------------------------------------------+
||1.0  2.0  3.0|\n|4.0  5.0  6.0|\n                          |
+------------------------------------------------------------+