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Diffstat (limited to 'Master/texmf-dist/doc/generic/pst-solides3d/doc/par-positionnerpointconnu.tex')
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diff --git a/Master/texmf-dist/doc/generic/pst-solides3d/doc/par-positionnerpointconnu.tex b/Master/texmf-dist/doc/generic/pst-solides3d/doc/par-positionnerpointconnu.tex new file mode 100644 index 00000000000..3e1073f6592 --- /dev/null +++ b/Master/texmf-dist/doc/generic/pst-solides3d/doc/par-positionnerpointconnu.tex @@ -0,0 +1,74 @@ +\section{Positionner un point connu} + +\begin{verbatim} +\psPoint(x,y,z){name} +\end{verbatim} +C'est une commande analogue à \verb+\pnode(! x y){name}+. Elle place +dans le n\oe{}ud \texttt{(name)} le point de coordonnées $(x,y,z)$, +vu avec le point de vue choisi \texttt{viewpoint=vx vy vz}. On peut +donc ensuite s'en servir pour marquer des points, tracer des lignes, +des polygones etc. + +Plaçons les positions des centres des atomes de la molécule d'éthanal +$\mathrm{CH_3COH}$. + +\medbreak +\begin{minipage}{0.5\linewidth} +\begin{pspicture}(-4,-4)(4,5) +\psset{viewpoint=100 50 20 rtp2xyz,Decran=20} +\psframe(-4,-4)(4,5) +\axesIIID(3,3,3)(20,20,20) +\psPoint(-4.79,2.06,0){C1} +\psPoint(-4.79,15.76,0){Ox} +\psPoint(8.43,5.57,0){C2} +\psPoint(-14.14,3.34,0){H3} +\psPoint(14.14,-2.94,8.90){H6} +\psPoint(14.14,-2.94,-8.90){H7} +\psPoint(6.43,-16.29,0){H8} +\psline(C1)(H3) +\psline(C2)(H7) +\psline(C2)(H8) +\psline(C1)(C2) +\psline[doubleline=true](C1)(Ox) +\psline(C2)(H6) +\uput[r](H3){$\mathrm{H_1}$} +\uput[l](H6){$\mathrm{H_2}$} +\uput[l](H7){$\mathrm{H_3}$} +\uput[l](H8){$\mathrm{H_4}$} +\uput{0.25}[u](C1){$\mathrm{C_1}$} +\uput{0.25}[d](C2){$\mathrm{C_2}$} +\uput{0.25}[r](Ox){$\red\mathrm{O}$} +\psdots[dotstyle=o,dotsize=0.3](H3)(H6)(H7)(H8) +\psdots[dotsize=0.4](C1)(C2) +\psdot[linecolor=red,dotsize=0.4](Ox) +\end{pspicture} +\end{minipage} +\begin{minipage}{0.45\linewidth} +\begin{verbatim} +\psPoint(-4.79,2.06,0){C1} +\psPoint(-4.79,15.76,0){Ox} +\psPoint(8.43,5.57,0){C2} +\psPoint(-14.14,3.34,0){H3} +\psPoint(14.14,-2.94,8.90){H6} +\psPoint(14.14,-2.94,-8.90){H7} +\psPoint(6.43,-16.29,0){H8} +\psline(C1)(H3) +\psline(C2)(H7) +\psline(C2)(H8) +\psline(C1)(C2) +\psline[doubleline=true](C1)(Ox) +\psline(C2)(H6) +\uput[r](H3){$\mathrm{H_1}$} +\uput[l](H6){$\mathrm{H_2}$} +\uput[l](H7){$\mathrm{H_3}$} +\uput[l](H8){$\mathrm{H_4}$} +\uput{0.25}[u](C1){$\mathrm{C_1}$} +\uput{0.25}[d](C2){$\mathrm{C_2}$} +\uput{0.25}[r](Ox){$\red\mathrm{O}$} +\psdots[dotstyle=o,dotsize=0.3] + (H3)(H6)(H7)(H8) +\psdots[dotsize=0.4](C1)(C2) +\psdot[linecolor=red,dotsize=0.4](Ox) +\end{verbatim} +\end{minipage} + |