[pstricks] Using pscoil/pszigzag along arc

[Herbert Voss]

John Smith schrieb:
> I would like to draw a coil or zizgag along a specified circular arc of some
> radius and start and end angle similar to psarc. Does anyone know how to do
> this?

\documentclass[12pt,a4paper]{article}
\usepackage{pst-plot}

\begin{document}

\def\Radius{3 }
\def\radius{0.3 }
\def\speed{40 }

\pspicture(-3.5,-3.5)(3.5,3.5)
   \parametricplot[plotpoints=1000]{0}{360}{
   \radius t \speed mul cos mul
   \Radius t cos mul add
   \radius t \speed mul sin mul
   \Radius t sin mul add
  }
\endpspicture

\pspicture(-3.5,-3.5)(3.5,3.5)
   \parametricplot[plotpoints=1000]{100}{330}{
   \radius t \speed mul cos mul
   \Radius t cos mul add
   \radius t \speed mul sin mul
   \Radius t sin mul add
  }
\endpspicture

\end{document}


Herbert