[pstricks] Points and vectors on a sphere with pst-3dplot

Herbert Voss LaTeX at zedat.fu-berlin.de
Wed Jul 5 14:20:40 CEST 2006

Felix Suwald wrote:

> I would like to draw a sphere with the
> invisible axis dashed, and the visible
> part of the axis pointing outwards as an
> arrow. The problem is, that the outer axis
> lines seem not to start at the surface
> of the sphere, but somewhere below,
> when I say that the start point is at a
> distance equal to the radius of the sphere.
> I tried with and without spherical coordinates.
> What am I missing? What is wrong with
> the radius of the sphere? I am confused,

I get exactly what you want ...






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