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Harris Geospatial / Docs Center / IDL Reference / I/O - EOS / EOS_PT_INQPOINT

EOS_PT_INQPOINT

EOS_PT_INQPOINT

This function retrieves the number and names of points defined in an HDF-EOS file. The point list is returned as a string with each point name separated by a comma.

Note: See STRSPLIT to separate the attribute list.

Examples


In this example, we retrieve information about the points defined in an HDF-EOS file, HDFEOS.hdf:

npoint = EOS_PT_INQPOINT("HDFEOS.hdf", pointlist)

Syntax


Result = EOS_PT_INQPOINT( filename, pointlist [, LENGTH=variable] )

Return Value


Returns number of points found or (–1) if failure.

Arguments


filename

HDF-EOS filename (string).

pointlist

A named variable that will contain the point list (string) entries separated by commas.

Keywords


LENGTH

Set this keyword to a named variable that will contain the length of the point list as a long integer.

Version History


5.2

Introduced



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