<div style="font-weight: bold;margin-left:15px;">contour2_ex1.php</div><link rel="stylesheet" href="../phphl.css" type="text/css"><div class="hl-main"><table class="hl-table" width="100%"><tr><td class="hl-gutter" align="right" valign="top"><pre>1
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</pre></td><td class="hl-main" valign="top"><pre><span class="hl-inlinetags">&lt;?php</span><span class="hl-code"> </span><span class="hl-comment">//</span><span class="hl-comment"> content=&quot;text/plain; charset=utf-8&quot;</span><span class="hl-comment"></span><span class="hl-code">
 
</span><span class="hl-reserved">require_once</span><span class="hl-code"> </span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">jpgraph/jpgraph.php</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-reserved">require_once</span><span class="hl-code"> </span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">jpgraph/jpgraph_contourf.php</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Setup some data to use for the contour</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$data</span><span class="hl-code"> = </span><span class="hl-reserved">array</span><span class="hl-brackets">(</span><span class="hl-code">
    </span><span class="hl-reserved">array</span><span class="hl-code"> </span><span class="hl-brackets">(</span><span class="hl-number">12</span><span class="hl-code">,</span><span class="hl-number">12</span><span class="hl-code">,</span><span class="hl-number">10</span><span class="hl-code">,</span><span class="hl-number">10</span><span class="hl-brackets">)</span><span class="hl-code">,
    </span><span class="hl-reserved">array</span><span class="hl-code"> </span><span class="hl-brackets">(</span><span class="hl-number">10</span><span class="hl-code">,</span><span class="hl-number">10</span><span class="hl-code">,</span><span class="hl-number">8</span><span class="hl-code">,</span><span class="hl-number">14</span><span class="hl-brackets">)</span><span class="hl-code">,
    </span><span class="hl-reserved">array</span><span class="hl-code"> </span><span class="hl-brackets">(</span><span class="hl-number">7</span><span class="hl-code">,</span><span class="hl-number">7</span><span class="hl-code">,</span><span class="hl-number">13</span><span class="hl-code">,</span><span class="hl-number">17</span><span class="hl-brackets">)</span><span class="hl-code">,
    </span><span class="hl-reserved">array</span><span class="hl-code"> </span><span class="hl-brackets">(</span><span class="hl-number">4</span><span class="hl-code">,</span><span class="hl-number">5</span><span class="hl-code">,</span><span class="hl-number">8</span><span class="hl-code">,</span><span class="hl-number">12</span><span class="hl-brackets">)</span><span class="hl-code">,
    </span><span class="hl-reserved">array</span><span class="hl-code"> </span><span class="hl-brackets">(</span><span class="hl-number">10</span><span class="hl-code">,</span><span class="hl-number">8</span><span class="hl-code">,</span><span class="hl-number">7</span><span class="hl-code">,</span><span class="hl-number">8</span><span class="hl-brackets">)</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> create a basic graph as a container</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$graph</span><span class="hl-code"> = </span><span class="hl-reserved">new</span><span class="hl-code"> </span><span class="hl-identifier">Graph</span><span class="hl-brackets">(</span><span class="hl-number">300</span><span class="hl-code">,</span><span class="hl-number">300</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetMargin</span><span class="hl-brackets">(</span><span class="hl-number">30</span><span class="hl-code">, </span><span class="hl-number">30</span><span class="hl-code">, </span><span class="hl-number">40</span><span class="hl-code">, </span><span class="hl-number">30</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetScale</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">intint</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetMarginColor</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">white</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Setup title of graph</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">title</span><span class="hl-code">-&gt;</span><span class="hl-identifier">Set</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">Filled contour plot</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">title</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetFont</span><span class="hl-brackets">(</span><span class="hl-identifier">FF_VERDANA</span><span class="hl-code">,</span><span class="hl-identifier">FS_BOLD</span><span class="hl-code">,</span><span class="hl-number">12</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">subtitle</span><span class="hl-code">-&gt;</span><span class="hl-identifier">Set</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">(With lines and labels)</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">subtitle</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetFont</span><span class="hl-brackets">(</span><span class="hl-identifier">FF_VERDANA</span><span class="hl-code">,</span><span class="hl-identifier">FS_ITALIC</span><span class="hl-code">,</span><span class="hl-number">10</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Create a new contour plot</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$cp</span><span class="hl-code"> = </span><span class="hl-reserved">new</span><span class="hl-code"> </span><span class="hl-identifier">FilledContourPlot</span><span class="hl-brackets">(</span><span class="hl-var">$data</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Use only blue/red color schema</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$cp</span><span class="hl-code">-&gt;</span><span class="hl-identifier">UseHighContrastColor</span><span class="hl-brackets">(</span><span class="hl-reserved">true</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Flip visually </span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$cp</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetInvert</span><span class="hl-brackets">(</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Fill the contours</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$cp</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetFilled</span><span class="hl-brackets">(</span><span class="hl-reserved">true</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Display the labels</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$cp</span><span class="hl-code">-&gt;</span><span class="hl-identifier">ShowLabels</span><span class="hl-brackets">(</span><span class="hl-reserved">true</span><span class="hl-code">,</span><span class="hl-reserved">true</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$cp</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetFont</span><span class="hl-brackets">(</span><span class="hl-identifier">FF_ARIAL</span><span class="hl-code">,</span><span class="hl-identifier">FS_BOLD</span><span class="hl-code">,</span><span class="hl-number">9</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$cp</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetFontColor</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">white</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> And add the plot to the graph</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">Add</span><span class="hl-brackets">(</span><span class="hl-var">$cp</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Send it back to the client</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">stroke</span><span class="hl-brackets">(</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-inlinetags">?&gt;</span></pre></td></tr></table></div>