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Harris Geospatial / Docs Center / IDL Reference / I/O - HDF / HDF_GR_SELECT

HDF_GR_SELECT

HDF_GR_SELECT

This function obtains the identifier of the HDF GR raster image specified by its index.

Syntax


Result = HDF_GR_SELECT(gr_id, index)

Return Value


Returns the raster image identifier if successful or FAIL (-1) otherwise.

Arguments


gr_id

HDF GR interface identifier returned by HDF_GR_START.

index

Index of the raster image in the file. Valid values range from 0 to the total number of raster images in the file minus 1. The total number of the raster images in the file can be obtained by using HDF_GR_FILEINFO.

Keywords


None

Version History


5.2

Introduced



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