# Package ncsa.hdf.object.h4

Class Summary
Class | Description
--- | ---
H4Datatype | This class defines HDF4 data type characteristics and APIs for a data type.
H4File | This class provides file level APIs.
H4GRImage | H4GRImage describes HDF4 general raster(GR) image and operations performed on the GR image.
H4Group | An H4Group is a vgroup in HDF4, inheriting from Group.
H4SDS | H4SDS describes HDF4 Scientific Data Sets (SDS) and operations performed on the SDS.
H4Vdata | H4Vdata describes a multi-dimension array of HDF4 vdata, inheriting CompoundDS.