<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Avec scilab, peut-on colorier des polygones (cf. les commandes xfpoly et xfpolys) avec des couleurs calculées dans le système RGB et se présentant donc sous la forme d'un vecteur [r,g,b] de nombres entiers naturels ?<div><br></div><div>Ainsi l'exemple de l'aide en ligne</div><div><div class="refsection"><div class="programlisting"><table border="0" width="100%" style="position: static; z-index: auto; "><tbody><tr><td width="98%"><pre class="scilabcode"><span class="scilabid">x</span><span class="scilaboperator">=</span><a class="scilabcommand" href="x-msg://4/sin.html">sin</a><span class="scilabopenclose">(</span><span class="scilabnumber">2</span><span class="scilaboperator">*</span><span class="scilabconstants">%pi</span><span class="scilaboperator">*</span><span class="scilabopenclose">(</span><span class="scilabnumber">0</span><span class="scilabspecial">:</span><span class="scilabnumber">4</span><span class="scilabopenclose">)</span><span class="scilaboperator">/</span><span class="scilabnumber">5</span><span class="scilabopenclose">)</span><span class="scilabdefault">;</span>
<span class="scilabid">y</span><span class="scilaboperator">=</span><a class="scilabcommand" href="x-msg://4/cos.html">cos</a><span class="scilabopenclose">(</span><span class="scilabnumber">2</span><span class="scilaboperator">*</span><span class="scilabconstants">%pi</span><span class="scilaboperator">*</span><span class="scilabopenclose">(</span><span class="scilabnumber">0</span><span class="scilabspecial">:</span><span class="scilabnumber">4</span><span class="scilabopenclose">)</span><span class="scilaboperator">/</span><span class="scilabnumber">5</span><span class="scilabopenclose">)</span><span class="scilabdefault">;</span>
<a class="scilabcommand" href="x-msg://4/plot2d.html">plot2d</a><span class="scilabopenclose">(</span><span class="scilabnumber">0</span><span class="scilabdefault">,</span><span class="scilabnumber">0</span><span class="scilabdefault">,</span><span class="scilaboperator">-</span><span class="scilabnumber">1</span><span class="scilabdefault">,</span><span class="scilabstring">"010"</span><span class="scilabdefault">,</span><span class="scilabstring">" "</span><span class="scilabdefault">,</span><span class="scilabopenclose">[</span><span class="scilaboperator">-</span><span class="scilabnumber">2</span><span class="scilabdefault">,</span><span class="scilaboperator">-</span><span class="scilabnumber">2</span><span class="scilabdefault">,</span><span class="scilabnumber">2</span><span class="scilabdefault">,</span><span class="scilabnumber">2</span><span class="scilabopenclose">])</span>
<a class="scilabcommand" href="x-msg://4/xset.html">xset</a><span class="scilabopenclose">(</span><span class="scilabstring">"color"</span><span class="scilabdefault">,</span><span class="scilabnumber">5</span><span class="scilabopenclose">)</span>
<span class="scilabcommand">xfpoly</span><span class="scilabopenclose">(</span><span class="scilabid">x</span><span class="scilabdefault">,</span><span class="scilabid">y</span><span class="scilabopenclose">)</span>
</pre></td></tr></tbody></table></div></div><div>ne semble pas fonctionner si je remplace 5 par un tel vecteur à la quatrième ligne ; la notice ne prévoit d'ailleurs pas cette possibilité, mais il doit y avoir un moyen de tourner la difficulté. Même question pour xfpolys.</div><div><br></div><div>Merci pour toute solution.</div><div><br><div><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>RM</div></div></div></div></div><br><br><div>
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