[pstricks] pst-3Dplot

[Herbert Voss]

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?

Patrice,
can you provide the tranformation equations?
f(x,theta,phi)->f(x,y)

Herbert