Display vdata information about objects in an hdf file
vmake hdf-file [+|+vdata-id]
vmake displays information about either one vdata object in an HDF file, or all Vdata objects in the file.
+
Display information about all Vdata objects in the HDF file.
+vdata-id
One Vdata. Display information about the Vdata object corresponding to the specified vdata id.
Information about all of the Vdata objects in the HDF file named "image012.hdf" must be examined. The following command will display this information:
vshow image012.hdf +