[pstricks] pst-3Dplot

Herbert Voss Herbert.Voss at FU-Berlin.DE
Sat Aug 29 15:24:18 CEST 2009

Patrice Mégret schrieb:

> Oups, I was of course speaking about spherical coordinates (page 6 of st-3dplot documentation).

>> Would it be possible to have a second cylindrical system (r,theta1,phi1) in which:
>> r is the length of the vector,
>> theta (0<=theta<=180) is the angle between the vector and z-axis,
>> phi (0<=phi<360) the angle between the x-axis and the projection of the vector on the xy plane
>> in order to have the same conventions as in mathematical book related to vector analysis?

can you provide the tranformation equations?


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