Previous Scientific Data Formats: Hierarchical Data Format Next

HDF_GR_SELECT

Syntax | Return Value | Arguments | Keywords | Version History

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

  IDL Online Help (March 06, 2007)