The HDF_DFR8_NIMAGES function returns the number of 8-bit images in the specified HDF file.

Examples

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; Open the file myhdf.hdf:

h = HDF_OPEN('myhdf.hdf')

; Retrieve the number of 8-bit images in the file into a variable:

number = HDF_DFR8_NIMAGES('myhdf.hdf')

HDF_CLOSE, h ; Close the file.

Syntax

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Result = HDF_DFR8_NIMAGES(Filename)

Return Value

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Returns the number of 8-bit images in the given HDF file. The function returns -1 if the specified file is invalid or damaged.

Arguments

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Filename

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

Keywords

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None

Version History

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4.0	Introduced

See Also

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HDF_DFR8_GETIMAGE, HDF_DFR8_GETINFO, HDF_DFR8_READREFHDF_DFR8_RESTART