See:
          Description

Packages
healpix.core	This package contains the Healpix core classes.
healpix.core.base	This package contains basic classes used in core package.
healpix.core.dm	This package contains the Healpix data model and implementation.
healpix.core.dm.util	This package contains a tool to interact with a Healpix map.
healpix.fits	This package contains the fits utility classes.
healpix.plot3d	This package contains the plotting 3d classes to plot a healpix map on a 3d sphere.
healpix.plot3d.canvas3d	This package contains the canvas classes related to construct a 3d scene with a data color bar, axis and equator.
healpix.plot3d.demo	This package contains a demo of the healpix 3d viewer.
healpix.plot3d.gui	This package contains the Graphical User Interface to give 3d interactive viewer.
healpix.plot3d.gui.healpix3d	This package contains the java3d classes to plot a healpix map on a 3D sphere to interact with.
healpix.plot3d.gui.util	This package contains utility classes used by the Graphical User Interface classes.
healpix.plot3d.gui.view	This package contains view classes (frames) used by the Graphical User Interface classes.
healpix.plot3d.progs	This package contains Graphical User Interface programs.
healpix.plot3d.progs.testing
healpix.tools	This package contains several tools for use within the HEALPix code.