[pstricks] geographical longitude and latitude

Herbert Voss Herbert.Voss at fu-berlin.de
Thu Oct 11 14:26:26 CEST 2007

Doris Wagner schrieb:
> hi all,
> has anybody a good picture ready that shows the geographical longitude 
> and latitude and how they are measured?

hope this helps



% lattitude is the angle from the x-axis to the dashed
% line (0,0,0)(3,4,0) Theta = arcsin(4/5)
% longitude is the angle from the z-axis to the
% line (0,0,0)(3,4,z) Theta = arcsin(5/sqrt(50))


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