1 \section {Solide monoface -- Solide biface}
3 Le contour de \texttt{face} est défini sur le plan $Oxy$ par
4 les coordonnées des sommets placés dans le sens trigonométrique par le
5 paramètre \texttt{base} :
7 \psSolid[object=face,base=x1 y1 x2 y2 x3 y3 ...xn yn](0,0,0)%
9 \subsection{\texttt{`face'} triangulaire}
10 \begin{minipage}{0.47\linewidth}
12 \psset{viewpoint=50 -20 30 rtp2xyz,Decran=50}
13 \begin{pspicture}(-5.5,-4.5)(7,3.5)
14 \psframe(-5.5,-4.5)(7,3.5)
15 \psSolid[object=grille,base=-4 6 -4 4,action=draw,linecolor=gray](0,0,0)
16 \psSolid[object=face,fillcolor=yellow,action=draw*,
23 \psSolid[object=face,fillcolor=yellow,action=draw*,
30 \axesIIID(0,0,0)(6,6,3)
34 \begin{minipage}{0.5\linewidth}
38 viewpoint=50 -20 30 rtp2xyz,Decran=50}
39 \begin{pspicture}(-6,-4.5)(7,3.5)
40 \psframe(-6,-4.5)(7,3.5)
42 object=face,fillcolor=yellow,action=draw*,
43 incolor=blue, biface, base=0 0 3 0 1.5 3
46 object=face,fillcolor=yellow,action=draw*,
47 incolor=blue, base=0 0 3 0 1.5 3,
48 biface, RotX=180](0,-1,0)
55 \subsection{\texttt{`face'} définie par une fonction}
57 \begin{minipage}{0.5\linewidth}
59 \psset{viewpoint=50 -20 30 rtp2xyz,Decran=50}
60 \def\BASE{0 10 360{/Angle ED 5 Angle cos dup mul mul % x
61 3 Angle cos 3 exp Angle sin mul mul % y
63 \begin{pspicture}(-9,-5.5)(9,6)
64 \psframe(-9,-5.5)(9,6)
65 \defFunction[algebraic]{F}(t)
67 {3*(sin(t))*(cos(t))^3}{}
68 % {t cos dup mul 5 mul}
69 % {t cos 3 exp t sin mul 3 mul}{}
70 \psSolid[object=grille,base=-6 6 -6 6,action=draw,linecolor=gray](0,0,0)
71 \psSolid[object=face,fillcolor=magenta,action=draw*,
74 base=0 2 pi mul {F} CourbeR2+
76 \psSolid[object=face,fillcolor=yellow,action=draw*,
79 base=0 2 pi mul {F} CourbeR2+](0,0,0)%
80 \psSolid[object=face,fillcolor=yellow,action=draw*,
83 base=0 2 pi mul {F} CourbeR2+](0,0,0)%
84 \psSolid[object=face,fillcolor=yellow,action=draw*,
86 biface,RotY=180,RotZ=90,
87 base=0 2 pi mul {F} CourbeR2+](0,0,0)%
88 \axesIIID(0,0,0)(6,6,5)
92 \begin{minipage}{0.45\linewidth}
94 \defFunction[algebraic]{F}(t)
96 {3*(sin(t))*(cos(t))^3}{}
97 base=0 2 pi mul {F} CourbeR2