A Map Projection also called the Elliptical Projection or Homolographic Equal Area Projection. The
forward transformation is

(1) | |||

(2) |

where is given by

(3) |

(4) |

(5) |

(6) |

The inverse Formulas are

(7) | |||

(8) |

where

(9) |

**References**

Snyder, J. P. *Map Projections--A Working Manual.* U. S. Geological Survey Professional Paper 1395.
Washington, DC: U. S. Government Printing Office, pp. 249-252, 1987.

© 1996-9

1999-05-26