[pstricks] multido

[Michael Sharpe]

On Feb 17, 2009, at 8:39 AM, Zbigniew Nitecki wrote:

> Thanks, that worked.  (My truly silly mistake was starting \ry at  
> -0.1 instead of -1.0.)
>
> I thought I recalled some discussion that such things could also be  
> clipped.  Can I somehow define a straight \psplot  for the function  
> of two variables 4x^2+y^2, say over -1<x<1 and -1<y<1, and then clip  
> the parts where z>0?
>

Yes, there was a discussion about 3d clipping initiated by a problem  
you raised. See the archives of November 21 to 24, 2008.

Michael