HDF_DF24_NIMAGES

Syntax | Return Value | Arguments | Keywords | Examples | Version History | See Also

The HDF_DF24_NIMAGES function returns the number of 24-bit images in an HDF file.

Syntax

Result = HDF_DF24_NIMAGES(Filename)

Return Value

Returns the number of images in the file or -1 if the specified file is invalid or damaged

Arguments

Filename

A string containing the name of the file to be searched.

Keywords

None

Examples

; Open HDF file: 
h = HDF_OPEN('myhdf.hdf') 
; Return the number of 24-bit images in the file: 
number = HDF_DF24_NIMAGES('myhdf.hdf') 
; Print information about the returned value. If there were five 
; images in the file, IDL would print NUMBER LONG = 5 
HELP, number 
; Close the HDF file: 
HDF_CLOSE, h 

Version History

See Also

HDF_DF24_GETIMAGE, HDF_DF24_GETINFO, HDF_DF24_READREF, HDF_DF24_RESTART, HDF_DFR8_NIMAGES