[pstricks] pst-3d: viewpoint and viewangle

[Herbert Voss]

Am 27.06.2010 04:17, schrieb Christian Hoffmann:

> I want to draw 3D-pictures with a horizontal x-axis, a vertical z-axis
> and a diagonal y-axis. Assume ' viewport=1 2 3'. Which value must have
> viewangle for a horizontal x-axis? Is there a formula or is my wish
> impossible?

if you do not need central projection then try pst-3dplot.
See documentation.

greetings from San Francisco ...

Herbert