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

# HDF_DFP_READREF

The HDF_DFP_READREF procedure sets the reference number of the palette in an HDF file to be read by the next call to HDF_DFP_GETPAL.

## Syntax

HDF_DFP_READREF, Filename, Reference_number

## Arguments

### Filename

A scalar string containing the name of the file to be read.

### Reference_number

The reference number of a palette.

## Keywords

None

## Version History

4.0 | Introduced