CPP Coordinate System

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A CPP (Carte Parallelo-Grammatique Projection, also called equirectangular projection) system is a local system. The origin of the system must be defined in latitude/longitude decimal degrees.

The conversion from of a point from latitude/longitude to CPP is:

Cppcoordsys1.jpg

Cppcoordsys2.jpg

The conversion of a point from CPP to latitude/longitude is:

Cppcoordsys3.jpg

Cppcoordsys4.jpg

(Clarke 1866 major spheroid radius)

See also