par-grille-en.tex
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	\section{The grid}

	The object \verb+grille+ allows you to obtain a solid plane.
	The key \texttt{[base=$x{min}$ ${x{max}}$ ${y{min}}$
	${y{max}}$]} lets you specify the dimension of the grid. % $


	\psset{viewpoint=50 50 20 rtp2xyz,Decran=30}
	\begin{LTXexample}[width=6.5cm]
	\begin{pspicture}(-3.5,-1.5)(3.5,2.5)
	\psSolid[object=grille,
	base=0 4 -3 3,
	linecolor=gray](0,0,0)
	\axesIIID(0,0,0)(4,3,3)
	\end{pspicture}
	\end{LTXexample}


	The key \texttt{[ngrid=$n_1$ $n_2$]} lets you specify
	fineness of the grid. If $n_2$ is not set up, it is considered that $n_2 =
	n_1$.

	If $n_1$ is an integer, it represents the number of grid points along the
	$Ox$ axis. If it is a real, it represents the step size along the
	$Ox$ axis. For example, the number \verb+1+ is an integer, the number \verb+1.+ is real (note the decimal point).



	\psset{viewpoint=50 50 20 rtp2xyz,Decran=30}
	\begin{LTXexample}[width=6.5cm]
	\begin{pspicture}(-3.5,-1.5)(3.5,2.5)
	\psSolid[object=grille,
	ngrid=1,
	base=0 4 -3 3,
	linecolor=gray](0,0,0)
	\axesIIID(0,0,0)(3,3,3)
	\end{pspicture}
	\end{LTXexample}

	\psset{viewpoint=50 50 20 rtp2xyz,Decran=30}
	\begin{LTXexample}[width=6.5cm]
	\begin{pspicture}(-3.5,-1.5)(3.5,2.5)
	\psSolid[object=grille,
	ngrid=1. 1,
	base=0 4 -3 3,
	linecolor=gray](0,0,0)
	\axesIIID(0,0,0)(3,3,3)
	\end{pspicture}
	\end{LTXexample}


	\endinput