The HDF_DF24_READREF procedure sets the reference number of the image in an HDF file to be read by the next call to HDF_DF24_GETIMAGE.
HDF_DF24_READREF, Filename, Reference_number
A scalar string containing the name of the file to be read.
The reference number for a 24-bit raster image.
None.
Introduced: 4.0