[pstricks] syntax of !

[Michael Sharpe]

It seems that the routines called by \psplotThreeD only understand  
normal coordinates, so you have to write (\ry,\ry) rather than (!\ry 
\space\ry\space).

Michael

On Aug 7, 2008, at 8:52 AM, zbigniew nitecki wrote:

> 		\multido{\ry=0.0+0.1}{20}{%
> 			\psplotThreeD[linecolor=gray,drawStyle=xLines,linewidth=0.2pt]%
> 				(-0.8,1.25)(!\ry\space\ry\space){%
> 				0 x 2 exp \ry\space2 exp add 16 div sub%
> 			}
> 		}
>