CPP Coordinate System: Difference between revisions

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:<math>\ \text{newpoint}_y = \text{point}_{\text{longitude}} * R </math>-->
:<math>\ \text{newpoint}_y = \text{point}_{\text{longitude}} * R </math>-->
[[Image:cppcoordsys1.gif]]




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:<math>\ \text{newpoint}_{\text{latitude}} = \frac{\text{point}_y}{R} </math>-->
:<math>\ \text{newpoint}_{\text{latitude}} = \frac{\text{point}_y}{R} </math>-->
[[Image:cppcoordsys2.gif]]





Revision as of 22:54, 23 May 2012

A CPP (Carte Parallelo-Grammatique 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:

File:Cppcoordsys1.gif


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

File:Cppcoordsys2.gif


R = 6378206.4 m. (Clarke 1866 major spheroid radius)

See also