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<td><a id="top"></a><h2> Class MathPlot</h2><div class="extends"><ul> |
<li><a href="Component.html">Component</a></li> |
<ul><li>MathPlot</li></ul> |
</ul></div><div class="description"> |
<p> |
Cette classe permet de représenter simplement des fonctions f(x) sur un graphique. |
L'archive de Artichow contient plusieurs exemples pour vous aider dans la conception de ces graphiques. |
</p> |
</div><ul class="links"><li><a href="index.html">Retourner voir la liste de toutes les classes</a></li></ul><h2>Méthodes et propriétés</h2><ul class="properties"> |
<li> |
<span class="access">public</span> <a href="Grid.html"><span class="type">Grid</span></a> <a href="MathPlot.html#property.grid"><span class="argument">$grid</span></a> |
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<span class="access">public</span> <a href="Axis.html"><span class="type">Axis</span></a> <a href="MathPlot.html#property.xAxis"><span class="argument">$xAxis</span></a> |
</li> |
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<span class="access">public</span> <a href="Axis.html"><span class="type">Axis</span></a> <a href="MathPlot.html#property.yAxis"><span class="argument">$yAxis</span></a> |
</li> |
</ul><ul class="methods"> |
<li> |
<span class="access">public</span> <a href="MathPlot.html#method.__construct">__construct</a>(<span class="type">float</span> <span class="argument">$xMin</span>, <span class="type">float</span> <span class="argument">$xMax</span>, <span class="type">float</span> <span class="argument">$yMax</span>, <span class="type">float</span> <span class="argument">$yMin</span>) |
</li> |
<li> |
<span class="access">public</span> <a href="MathPlot.html#method.setInterval">setInterval</a>(<span class="type">int</span> <span class="argument">$interval</span>) |
</li> |
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<span class="access">public</span> <a href="MathPlot.html#method.add">add</a>(<a href="MathFunction.html"><span class="type">MathFunction</span></a> <span class="argument">$function</span>, <span class="type">string</span> <span class="argument">$name</span> := <span class="default">NULL</span>, <span class="type">int</span> <span class="argument">$type</span> := <span class="default">Legend::LINE</span>) |
</li> |
</ul><h2>Documentation</h2><ul class="doc"> |
<li class="property"> |
<a id="property.grid"></a><span class="access">public</span> <a href="Grid.html"><span class="type">Grid</span></a> <a href="MathPlot.html#property.grid"><span class="argument">$grid</span></a><div class="description"> |
Représente la grille de fond du graphique. |
</div> |
<div class="description-bottom"><a href="MathPlot.html#top">Remonter</a></div> |
</li> |
<li class="property"> |
<a id="property.xAxis"></a><span class="access">public</span> <a href="Axis.html"><span class="type">Axis</span></a> <a href="MathPlot.html#property.xAxis"><span class="argument">$xAxis</span></a><div class="description"> |
Représente l'axe des abscisses. |
</div> |
<div class="description-bottom"><a href="MathPlot.html#top">Remonter</a></div> |
</li> |
<li class="property"> |
<a id="property.yAxis"></a><span class="access">public</span> <a href="Axis.html"><span class="type">Axis</span></a> <a href="MathPlot.html#property.yAxis"><span class="argument">$yAxis</span></a><div class="description"> |
Représente l'axe des ordonnées. |
</div> |
<div class="description-bottom"><a href="MathPlot.html#top">Remonter</a></div> |
</li> |
<li class="method"> |
<a id="method.__construct"></a><span class="access">public</span> <a href="MathPlot.html#method.__construct">__construct</a>(<span class="type">float</span> <span class="argument">$xMin</span>, <span class="type">float</span> <span class="argument">$xMax</span>, <span class="type">float</span> <span class="argument">$yMax</span>, <span class="type">float</span> <span class="argument">$yMin</span>) |
<div class="description"> |
Construit le graphique. |
L'axe des X va des valeurs $xMin à $xMax tandis que l'axe de Y va des valeurs $yMin à $yMax. |
<pre> |
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<?php |
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require_once "MathPlot.class.php"; |
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$graph = new <a href="Graph.html">Graph</a>(300, 300); |
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$plot = new <a href="MathPlot.html">MathPlot</a>(-3, 3, 3, -3); |
$plot-><a href="MathPlot.html#method.setInterval">setInterval</a>(0.1); |
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// On dessine cos(x) |
$function = new <a href="MathFunction.html">MathFunction</a>('cos'); |
$plot-><a href="MathPlot.html#method.add">add</a>($function); |
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$graph-><a href="Graph.html#method.add">add</a>($plot); |
$graph-><a href="Graph.html#method.draw">draw</a>(); |
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?> |
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</pre> |
</div> |
<div class="description-bottom"><a href="MathPlot.html#top">Remonter</a></div> |
</li> |
<li class="method"> |
<a id="method.setInterval"></a><span class="access">public</span> <a href="MathPlot.html#method.setInterval">setInterval</a>(<span class="type">int</span> <span class="argument">$interval</span>) |
<div class="description"> |
Change l'interval sur lequel sont calculées les valeurs affichées sur le graphique. |
Par défaut, cet interval est de 1, c'est-à-dire que Artichow calcule f(x) pour toutes les valeurs entières de x. |
</div> |
<div class="description-bottom"><a href="MathPlot.html#top">Remonter</a></div> |
</li> |
<li class="method"> |
<a id="method.add"></a><span class="access">public</span> <a href="MathPlot.html#method.add">add</a>(<a href="MathFunction.html"><span class="type">MathFunction</span></a> <span class="argument">$function</span>, <span class="type">string</span> <span class="argument">$name</span> := <span class="default">NULL</span>, <span class="type">int</span> <span class="argument">$type</span> := <span class="default">Legend::LINE</span>) |
<div class="description"> |
Ajoute une fonction mathématique au graphique. |
Sur la légende, la fonction aura pour nom $name et le type de légende utilisé sera $type (<a href="Legend.html#constant.LINE">Legend::LINE</a>, <a href="Legend.html#constant.BACKGROUND">Legend::BACKGROUND</a> ou encore <a href="Legend.html#constant.MARK">Legend::MARK</a>). |
Si vous ne souhaitez pas associer de légende à cette fonction, laissez l'argument $name à NULL. |
</div> |
<div class="description-bottom"><a href="MathPlot.html#top">Remonter</a></div> |
</li> |
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