[pstricks] generating a parametrized curve in pst3d-solides

[Zbigniew Nitecki]

The following code (the whole tex source file)
******************************************************
% !TEX TS-program = latex
\listfiles
\documentclass[11pt]{article}
\usepackage{pst-solides3d, pst-3dplot, pst-math,pstricks-add}
\usepackage{pst-3d}
\begin{document}
				\begin{pspicture}(-3,-1)(3,4.5)
				\psset{unit=0.25}
				\psset{viewpoint=1 1 1},
				\defFunction{Fpcurvex}(t)%
					{t}{0}{t dup mul 4 mul}
				\psSolid[object=courbe, r=0,
					base=0 1,
					linecolor=red,
					linewidth=2,
					resolution=360,
					function=Fpcurvex,
				]
				\end{pspicture}
\end{document}
*************************************************************
yields a blank page.  What am  doing wrong?  (modelled after
example at the bottom of p. 22 in the English documentation for pst-solides3d).

Zbigniew Nitecki
Department of Mathematics
Tufts University
Medford, MA 02155

telephones:
Office    (617)627-3843
Dept.    (617)627-3234
Dept. fax    (617)627-3966
http://www.tufts.edu/~znitecki/

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