[pstricks] arcangle=nonconstant?

[Herbert Voss]

Bob Tennent wrote:
> I need to compute the arcangle parameter for \ncarc but can't get anything
> except literal numbers to work; is there something I'm missing?  

\documentclass[12pt]{article}%
\usepackage{pst-node}
\parindent=0pt

\begin{document}

\pnode(0,0){A}\pnode(11,0){B}
\makeatletter
\def\psk at arcangleA{ 180 2 div }
\def\psk at arcangleB{ 180 2 div neg }
\makeatother

\ncarc{A}{B} \ncarc[arcangle=10]{B}{A}

\end{document}


Herbert