Articlediamond2018

Conic projections of the triaxial ellipsoid: the projections for regional mapping of celestial bodies

Maxim V. Nyrtsov · Maria E. Fleis · Michael M. Borisov · Philip J. Stooke

3 citations0/0 files storedProceedings of the ICA

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Historical Geography and Cartography History and Developments in Astronomy Satellite Image Processing and Photogrammetry

Abstract

Abstract. Different distortion classes of the azimuthal and cylindrical projections of the triaxial ellipsoid have been considered in our previous works. These projections make it possible to construct maps of the celestial bodies in planetary scale. However, for regions in the middle latitudes it is advisable to use a conic projection which was not developed until now. In this investigation we describe the development of three conic projections of a triaxial ellipsoid: a conic projection with true scale along meridians, an equal-area conic projection and a quasi-conformal conic projection. In derivation of the projections we use an elliptical cone tangent to a triaxial ellipsoid. The projections are calculated and maps in these projections are created for the first time.

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