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Documentation Index

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Extract a band from a raster as an array of doubles.

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Signatures

RS_BandAsArray(raster: Raster, bandIndex: Integer)

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Parameters

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raster
Raster
required
The input raster.
​
bandIndex
Integer
required
The 1-indexed band to extract.

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Return type

An array of double values representing the pixel values of the specified band.

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Example

SELECT RS_BandAsArray(raster, 1) FROM raster_table

+--------------------+
|                band|
+--------------------+
|[0.0, 0.0, 0.0, 0...|
+--------------------+