Routines (alphabetical) > Routines: H > HDF Routines > HDF_GR_IDTOREF

HDF_GR_IDTOREF

This function returns the HDF reference number of the raster image identified by the parameter ri_id. This routine is commonly used for the purpose of annotating the raster image or including the raster image within an HDF Vgroup. The tag number for a GR is 306.

Syntax

Result = HDF_GR_IDTOREF(ri_id)

Return Value

Returns the HDF reference number of the raster image if successful or not found (0) otherwise.

Arguments

ri_id

Raster image identifier returned by HDF_GR_SELECT or HDF_GR_CREATE.

Keywords

None

Version History

5.2	Introduced