doc/par-face.tex

   1 \section {Solide monoface -- Solide biface}
   2
   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} :
   6 \begin{verbatim}
   7 \psSolid[object=face,base=x1 y1 x2 y2 x3 y3 ...xn yn](0,0,0)%
   8 \end{verbatim}
   9 \subsection{\texttt{`face'} triangulaire}
  10 \begin{minipage}{0.47\linewidth}
  11 \psset{unit=0.6}
  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*,
  17       incolor=blue,
  18       biface,
  19       base=0 0 3 0 1.5 3,
  20       num=all ,
  21       show=all
  22       ](0,1,0)
  23 \psSolid[object=face,fillcolor=yellow,action=draw*,
  24       incolor=blue,
  25       base=0 0 3 0 1.5 3,
  26       num=all,
  27       show=all,
  28       biface,
  29       RotX=180](0,-1,0)
  30 \axesIIID(0,0,0)(6,6,3)
  31 \end{pspicture}
  32 \end{minipage}
  33 %
  34 \begin{minipage}{0.5\linewidth}
  35 \begin{verbatim}
  36 \psset{unit=0.6}
  37 \psset{
  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)
  41 \psSolid[
  42    object=face,fillcolor=yellow,action=draw*,
  43    incolor=blue, biface, base=0 0 3 0 1.5 3
  44    ](0,1,0)
  45 \psSolid[
  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)
  49 \end{pspicture
  50 \end{verbatim}
  51 \end{minipage}
  52
  53
  54
  55 \subsection{\texttt{`face'} définie par une fonction}
  56
  57 \begin{minipage}{0.5\linewidth}
  58 \psset{unit=0.45}
  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
  62                     } for}
  63 \begin{pspicture}(-9,-5.5)(9,6)
  64 \psframe(-9,-5.5)(9,6)
  65 \defFunction[algebraic]{F}(t)
  66    {5*(cos(t))^2}
  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*,
  72       incolor=blue,
  73       biface,RotZ=90,
  74       base=0 2 pi mul {F} CourbeR2+
  75       ](0,0,0)%
  76 \psSolid[object=face,fillcolor=yellow,action=draw*,
  77       incolor=blue,
  78       biface,
  79       base=0 2 pi mul {F} CourbeR2+](0,0,0)%
  80 \psSolid[object=face,fillcolor=yellow,action=draw*,
  81       incolor=blue,
  82       biface,RotY=180,
  83       base=0 2 pi mul {F} CourbeR2+](0,0,0)%
  84 \psSolid[object=face,fillcolor=yellow,action=draw*,
  85       incolor=red,
  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)
  89 \end{pspicture}
  90 \end{minipage}
  91 %
  92 \begin{minipage}{0.45\linewidth}
  93 \begin{verbatim}
  94 \defFunction[algebraic]{F}(t)
  95    {5*(cos(t))^2}
  96    {3*(sin(t))*(cos(t))^3}{}
  97 base=0 2 pi mul {F} CourbeR2
  98 \end{verbatim}
  99 \end{minipage}
 100