The HDF_VD_ISVG function determines if the object associated with Id is a VGroup in an HDF file.
Examples
Vid = HDF_VG_GETNEXT(Vgrp, -1)
PRINT, HDF_VD_ISVG(VGrp, Vid)
Syntax
Result = HDF_VD_ISVG(VGroup, Id)
Return Value
Returns True (1) if the object is a VGroup, or False (0) otherwise.
Arguments
VGroup
The VGroup handle returned by a previous call to HDF_VD_ATTACH.
Id
The VGroup reference number obtained by a previous call to HDF_VG_GETNEXT.
Keywords
None
Version History