<simulation>
  <header>
    <title lang="french">Hélice</title>
    <title lang="english">Helix</title>
    <title lang="spanish">Hélice</title>
    <author>Stéphane Mottelet, Guillaume Barbaud</author>
    <date>Fri Sep 23 18:55:06 CEST 2005</date>
    <keywords lang="french">simulation,scilab,xml</keywords>
    <keywords lang="spanish">Simulacion, Scilab, xml</keywords>
  </header>
  <notes>
    <p>Un exemple simple de courbe paramétrique dans l'espace.</p>
  </notes>
  <notes lang="english">
    <p>A simple example of a parametric curve in three dimensions.</p>
  </notes>
  <notes lang="spanish">
    <p>Un ejemplo sencillo de una curva parametrada en tres dimensiones.</p>
  </notes>
  <parameters><section>
      <title lang="french">Paramètres de l'hélice</title>
      <title lang="english">Parameters of the helix</title>
      <title lang="spanish">Parámetros de la hélice</title>
      <scalar increment="0.1" label="a" max="10" min="1"><name lang="french">Fréquence</name><name lang="english">Frequency</name><name lang="spanish">Frecuencia</name><value>2</value></scalar>
    </section></parameters>
  <compute>
    <defdomain1d label="t">
      <interval steps="100">
        <initialvalue>0</initialvalue>
        <finalvalue>2*%pi</finalvalue>
      </interval>
    </defdomain1d>
  </compute>
  <graphs>
    <parametriccurve3d label="helice">
      <name lang="french">Hélice</name>
      <name lang="english">Helix</name>
      <name lang="spanish">Hélice</name>
      <refdomain1d ref="t" />
      <x1 label="x">
        <name lang="french">Abscisse</name>
        <name lang="english">Abscissa</name>
        <name lang="spanish">Abscisa</name>
        <value>cos(a*t)</value>
      </x1>
      <x2 label="y">
        <name lang="french">Ordonnée</name>
        <name lang="english">Ordinate</name>
        <name lang="spanish">Ordenada</name>
        <value>sin(a*t)</value>
      </x2>
      <x3 label="z">
        <name lang="french">Cote</name>
        <name lang="english">Altitude</name>
        <name lang="spanish">Altura</name>
        <value>t</value>
      </x3>
    </parametriccurve3d>
  </graphs>
  <display>
    <window>
      <title lang="french">Graphe de l'Hélice</title>
      <title lang="english">Graph of the Helix</title>
      <title lang="spanish">Grafo de la hélice</title>
      <axis3d>
        <drawcurve3d ref="helice" marker="triangle-up" />
      </axis3d>
    </window>
  </display>
</simulation>