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Rev 6065 Rev 17179
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<div class="wimsbody">
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<div class="wimsbody">
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<h1>
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<h1>
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The logo of WIMS
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The logo of WIMS
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</h1>
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</h1>
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<p>
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<p>
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<img src="gifs/logo-160.gif" align="middle" alt="logo"/>
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<img src="gifs/logo-160.gif" align="middle" alt="logo">
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<p>The curve represents the trace of a point on a disk of radius 1 rotating
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<p>The curve represents the trace of a point on a disk of radius 1 rotating
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inside a fixed circle of radius 3. And the deformation of the curve
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inside a fixed circle of radius 3. And the deformation of the curve
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represents what happens when the distance of the point towards the center of
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represents what happens when the distance of the point towards the center of
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the moving disk varies from 0 to infinity.
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the moving disk varies from 0 to infinity.
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 </p><p>
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 </p><p>
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 This animated logo is created by the application
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 This animated logo is created by the application
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!href module=tool/geometry/animtrace Tracés animés
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!href module=tool/geometry/animtrace Tracés animés
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 under Wims.
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 under Wims.
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</p>
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</p>
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<ul>
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<ul>
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 <li>
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 <li>
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Equations:
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Equations:
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<pre>
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<pre>
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     x=(1-s)*cos(t+pi*s)+s*cos(2*t)
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     x=(1-s)*cos(t+pi*s)+s*cos(2*t)
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     y=(1-s)*sin(t+pi*s)-s*sin(2*t)
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     y=(1-s)*sin(t+pi*s)-s*sin(2*t)
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</pre>
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</pre>
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  (where s is the ``sequentiel parameter'' as defined in
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  (where s is the ``sequentiel parameter'' as defined in
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  <span class="wims_emph">Tracés animés</span>.)
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  <span class="wims_emph">Tracés animés</span>.)
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</li><li>
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</li><li>
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Ranges of variables:
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Ranges of variables:
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<pre>-1&lt;x&lt;1, -1&lt;y&lt;1, 0&lt;t&lt;2*pi.</pre>
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<pre>-1&lt;x&lt;1, -1&lt;y&lt;1, 0&lt;t&lt;2*pi.</pre>
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</li>
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</li>
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 into the menu of <span class="wims_emph">Tracés animés</span>
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 into the menu of <span class="wims_emph">Tracés animés</span>
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to plot it yourself.
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to plot it yourself.
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<p class="wimstech">
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<p class="wimstech">
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Date of creation 03-27-1998, &copy; XIAO, Gang.
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Date of creation 03-27-1998, &copy; XIAO, Gang.
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 </p>
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 </p>
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 <hr/>
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 <hr>
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 <p class="wimscenter">
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 <p class="wimscenter">
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!href module=home Back to wims
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!href module=home Back to wims
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 </p>
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 </p>
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</div>
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</div>