SDO_GEOR.getTotalLayerNumber

Format

SDO_GEOR.getTotalLayerNumber(
     georaster  IN SDO_GEORASTER
     ) RETURN NUMBER;

Description

Returns the total number of layers in a GeoRaster object.

Parameters

georaster

GeoRaster object.

Usage Notes

For information about layers, see Bands_ Layers_ and Metadata.

Examples

The following example returns the total number of layers in each GeoRaster object (GEORASTER column) in the GEORASTER_TABLE table, whose definition is presented after Example: Using storageParam Keywords in Storage Parameters.

SELECT georid, sdo_geor.getTotalLayerNumber(georaster) totalLayerNumber
  FROM georaster_table;

    GEORID TOTALLAYERNUMBER
---------- ----------------
         2                1
         4                3