par-chanfrein-en.tex
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par-chanfrein-en.tex
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			\section{\Index{Chamfering} a solid}

			\psset{lightsrc=10 0 10,viewpoint=50 -20 30 rtp2xyz,Decran=50}
			\begin{LTXexample}[width=6cm]
			\psset{unit=0.5}
			\begin{pspicture*}(-4,-4)(4,4)
			\psSolid[object=cube,
			a=5,
			fillcolor=red]
			\end{pspicture*}
			\end{LTXexample}


			\begin{LTXexample}[width=6cm]
			\psset{unit=0.5}
			\begin{pspicture*}(-4,-4)(4,4)
			\psSolid[object=cube,
			a=5,
			fillcolor=red,
			chanfrein,
			chanfreincoeff=.6]
			\end{pspicture*}
			\end{LTXexample}

			The option \Lkeyword{chanfrein} allows us to \Index{chamfer} a solid. This option
			uses the key \Lkeyword{chanfreincoeff} (value $0.8$ by default) which indicates the
			ratio $k$ with ($0<k<1$). This ratio is the one of a centre dilation with
			the centre in the middle of the chosen face.

			\psset{lightsrc=10 0 10,viewpoint=50 -20 30 rtp2xyz,Decran=30}
			\begin{LTXexample}[width=6cm]
			\psset{unit=0.5}
			\begin{pspicture*}(-4,-4)(4,4)
			\psSolid[object=dodecahedron,
			a=5,
			fillcolor=cyan]
			\end{pspicture*}
			\end{LTXexample}

			\psset{lightsrc=10 0 10,viewpoint=50 -20 30 rtp2xyz,Decran=30}
			\begin{LTXexample}[width=6cm]
			\psset{unit=0.5}
			\begin{pspicture*}(-4,-4)(4,4)
			\psSolid[object=dodecahedron,
			a=5,
			fillcolor=cyan,
			chanfrein,
			chanfreincoeff=.8]
			\end{pspicture*}
			\end{LTXexample}
			%\newpage

			\endinput