1 \def\contourZ{2.2973 0.705301 smoveto
2 2.25049 0.561268 slineto
3 2.20779 0.456241 slineto
4 2.16287 0.376752 slineto
5 2.10933 0.309334 slineto
6 2.0227 0.242737 slineto
7 1.9088 0.193796 slineto
8 1.77011 0.163577 slineto
9 1.60932 0.153312 slineto
10 0.581305 0.153312 slineto
11 2.30929 2.58931 slineto
12 2.30929 2.64933 slineto
13 0.205292 2.64933 slineto
14 0.12531 1.9653 slineto
15 0.229352 1.9653 slineto
16 0.256204 2.09242 slineto
17 0.285274 2.18726 slineto
18 0.32042 2.26117 slineto
19 0.365338 2.3253 slineto
20 0.450739 2.40109 slineto
21 0.568741 2.4548 slineto
22 0.719097 2.48674 slineto
23 0.901314 2.49734 slineto
24 1.7853 2.49734 slineto
25 0.037281 0.0613412 slineto
26 0.037281 0.00131387 slineto
27 2.29328 0.00131387 slineto
28 2.38935 0.705301 slineto closepath}
29 \def\contourY{-1.18668008 2.64933 smoveto
30 -2.0627 2.64933 slineto
31 -2.0627 2.57329 slineto
32 -1.93189 2.56451 slineto
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70 -1.91866994 0.00131387 slineto
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83 -1.44773006 2.4713 slineto
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85 -1.18668008 2.57329 slineto closepath}
87 \section {Projection d'un chemin}
89 La macro \verb+\psProjection+ peut également projeter un chemin décrit
90 en postscript. Dans ce cas, l'objet transmis à \verb+\psProjection+ est
91 \Cadre {chemin}, chemin qui est décrit dans la paramètre \verb+path+.
93 Par exemple, la procédure suivante dessinera, dans le plan choisi,
94 une grille $8\times8$ au pas de $1$, dont les valeurs limites sont
97 %% \begin{boxedverbatim}
108 %% \end{boxedverbatim}
110 Le tracé du chemin ainsi défini fait appel à l'objet \Cadre{chemin} et à
111 l'option \Cadre{path}.
113 \begin{minipage}{0.4\linewidth}
115 \begin{pspicture}(-6,-5)(6,8)%
116 \psframe*[linecolor=blue!50](-6,-5)(6,7)
117 \psset{lightsrc=50 20 20,viewpoint=50 30 15,Decran=60}
118 \psProjection[object=chemin,fillstyle=solid,fillcolor=white,
119 linewidth=.05,linecolor=red,
128 \psProjection[object=chemin,
139 \psProjection[object=chemin,fillstyle=solid,fillcolor=yellow,
144 \psProjection[object=chemin,fillstyle=vlines,hatchcolor=blue,
148 \psProjection[object=chemin,fillstyle=hlines,hatchcolor=yellow,
161 \psPoint(1,1,2){O1}\psPoint(1.4,1.4,2.8){K}
162 \psline[linewidth=.1,linecolor=red](O1)(K)
163 \psline[linestyle=dashed](O)(O1)
164 \psProjection[object=chemin,
171 \psProjection[object=chemin,
178 \axesIIID(4,4,2)(5,5,6)
182 \begin{minipage}{0.55\linewidth}
183 %% \begin{boxedverbatim}
187 linewidth=.1,linecolor=blue,
188 fillstyle=solid,fillcolor=yellow,
194 fillstyle=vlines,hatchcolor=blue,
199 %% \end{boxedverbatim}