rastbandarg
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## Name

rastbandarg — A composite type for use when needing to express a raster and a band index of that raster.

## Description

A composite type for use when needing to express a raster and a band index of that raster.

`rast` raster

  The raster in question/

`nband` integer

  1-based value indicating the band of raster

## See Also

ST_MapAlgebra (callback function version)

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