[pstricks] Fractals-Ex1.tex

[Herbert Voss]

Chris Sangwin wrote:
> I have looked at the fractals examples in the file Fractals-Ex1.tex 
> 
> I would like to use these images, in a file which also requires the
> packages
> 
> \usepackage{graphicx,epsfig}
> 
> However, including either of these two packages causes an error
> 
> "!Illegal unit of measure (pt instead)...."
> 
> Does anyone have any suggestions how to avoid this problem?

a problem with the macro \scalebox, which is defined by
pstricks and graphicx. Use

\newcommand{\PstVonKochSnake}[1]{%
   \begin{pspicture}(3,3)
     \rput(0,0){\PstVonKochCurve{#1}}
     \rput{240}(3,0){\PstVonKochCurve{#1}}
     \psscalebox{-1 1}{\rput{240}(0,0){\PstVonKochCurve{#1}}}
\end{pspicture}}


pstricks defines the macro \psscalebox, to prevent this clash.

BTW: You do not need the package epsfig, graphicx does it all.

Herbert



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