HDF_SD_REFTOINDEX

The HDF_SD_REFTOINDEX function returns a scientific dataset's index given its reference number and SD interface ID.

Syntax

Result = HDF_SD_REFTOINDEX(SDinterface_id, Reference_number)

Return Value

Returns the index number associated with the specified SD dataset.

Arguments

SDinterface_id

An SD interface ID as returned by HDF_SD_START.

Reference_number

The SD reference number for the desired dataset.

Keywords

None

Examples

; Initialize the SD interface: 
SDinterface_id = HDF_SDSTART('demo.hdf') 
; Define the reference number for which we want to search: 
Reference_number = 66 
; Return the index number: 
index = HDF_SD_REFTOINDEX(SDinterface_id, Reference_number) 
; Now the dataset can be accessed: 
SDdataset_id = HDF_SD_SELECT(SDinterface_id, index) 
; End access: 
HDF_SD_ENDACCESS,SDdataset_id 
HDF_SD_END, SDinterface_id

Version History


4.0	Introduced