PostGIS

ST_NumBands

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12.4. Raster Accessors

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Name

ST_NumBands — Returns the number of bands in the raster object.

Synopsis

integer +`*`+ST_NumBands*(`raster `rast`)`;

Description

Returns the number of bands in the raster object.

Examples

SELECT rid, ST_NumBands(rast) As numbands
FROM dummy_rast;

rid | numbands
----+----------
  1 |        0
  2 |        3

See Also

ST_Value

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ST_MetaData

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ST_PixelHeight