Here, the purpose is to present how the computations were organized to develop the sky map part of JEphem.
: the star catalogs and their incorporation to JEphem.
: boundaries, names, identification from a position.
: the coordinates involved in sky map representation.
: making the viewer look in different directions. TO DO
: functionnalities like grid display, constellation display etc... TO DO
: JEphem classes that implement sky map. TO DO