[pstricks] suggestion for pst-3dplot

[Herbert Voss]

Markus schrieb:

> The suggested 3d-2d conversion causes pictures to be too large.

yes, that was my problem ...

> Scaling it by 0.5
> 
> (0 | 0 | 0 ) mapsto (0 | 0 )
> (1 | 0 | 0 ) mapsto (-0.5 | -0.5)
> (0 | 1 | 0 ) mapsto (1 | -0.25)
> (0 | 0 | 1 ) mapsto (0 | 1)
> 
> and changing code to
> 
>      coorType 4 le { % Normalbild in Trimetrie %% 
> Skalierung so, dass Größe wie üblich bei coorType=2
>        /x2D x -0.5 mul y 1 mul add def
>        /y2D x -0.5 mul y -0.25 mul add z 1 mul add def
>        exit } if
> 
> I've tested some of my files -- all working fine (includig parametricplols).
> 
> There is a problem with a sphere.

I am away frome home until christmas. Will then have a closer
look.

Herbert