Graphics, Figures & Tables ⇒ pst-poly | Basic Error

[coachbennett1981]

I am trying to create some regular polygons for a presentation using beamer, but I get the following error:

Argument of \special@length has an extra }

Runaway argument? {\PstPoly@IntermediatePointDim} \ignorespaces

Here is the code:

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\documentclass[compress]{beamer}
\mode<presentation>
\usetheme{JuanLesPins}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{pstricks}
\usepackage{pst-poly}
\usepackage{pstricks-add}
\usepackage{pst-all}

\begin{document}

\section{Example B}
	\begin{frame}{Example B}
		\begin{example}	
			Determine the number of lines of symmetry in the quadrilateral. 
					\begin{pspicture}(0,0)(2,1) 
						\PstPolygon[PolyNbSides=4]
					\end{pspicture} 
		\end{example}
	\end{frame}
\end{document}

Thanks for the help,

Nicholas

[Stefan Kottwitz]

Hi Nicholas,

the example works for me, both with LaTeX and XeLaTeX. I used pst-poly version 1.61 of 2009/12/20 and pstricks.tex version 2.20 of 2011/04/23. If your version is older, an update could help.

You can see the version numbers of the used packages in the .log file, if you place the command \listfiles in your preamble and compile again.

Stefan

[coachbennett1981]

Stefan,
thanks for the reply. I could not find the pst-poly in the log file. I can upload if you want. I did find the pstricks:

(/usr/local/texlive/2009/texmf-dist/tex/latex/pstricks/pstricks.sty
Package: pstricks 2008/11/26 v0.40 LaTeX wrapper for `PSTricks' (RN,HV)

Can you explain how to update pstricks? I am running TeXShop 2.43 which is updated. I have never understood how to update a package individually. I go to the pstricks homepage and see the .sty files and .tex files, but have no clue what I am doing


Nicholas

[Stefan Kottwitz]

Hi Nicholas,

with TeX Live and MacTeX, you could use the TeX Live Manager. Run at the command prompt, i.e. in a terminal window:

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sudo tlmgr update pstricks

However, you could consider updating your TeX Live (MacTeX) version from 2009 to the current version 2011. Also this can be done using tlmgr. Start the GUI by

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sudo tlmgr -gui

Stefan