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

# HDF_SD_DIMGETID

The HDF_SD_DIMGETID function returns a dimension ID given a dataset’s “SDdataset_id” and a dimension number.

## Examples

For an example illustrating this routine, see the documentation for HDF_SD_DIMSET.

## Syntax

Result = HDF_SD_DIMGETID(SDdataset_id, Dimension_Number)

## Return Value

Returns the dimension identifier.

## Arguments

### SDdataset_id

An SD dataset ID as returned by HDF_SD _SELECT or HDF_SD_CREATE.

### Dimension_Number

A zero-based dimension number. The dimension number must be greater than or equal to 0 and less than the maximum dimension number, or rank.

## Keywords

None

## Version History

4.0 | Introduced

## See Also

HDF_SD_CREATE, HDF_SD_DIMGET, HDF_SD_DIMSET, HDF_SD_SELECT