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+<div style="font-weight: bold;margin-left:15px;">matrix_introex.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-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_matrix.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_iconplot.php</span><span class="hl-quotes">'</span><span class="hl-brackets">)</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-brackets">(</span><span class="hl-number">0</span><span class="hl-code">,</span><span class="hl-number">1</span><span class="hl-code">,</span><span class="hl-number">2</span><span class="hl-code">,</span><span class="hl-number">3</span><span class="hl-code">,</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">6</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-code">,</span><span class="hl-number">9</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-brackets">(</span><span class="hl-number">10</span><span class="hl-code">,</span><span class="hl-number">9</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">6</span><span class="hl-code">,</span><span class="hl-number">5</span><span class="hl-code">,</span><span class="hl-number">4</span><span class="hl-code">,</span><span class="hl-number">3</span><span class="hl-code">,</span><span class="hl-number">2</span><span class="hl-code">,</span><span class="hl-number">1</span><span class="hl-code">,</span><span class="hl-number">0</span><span class="hl-brackets">)</span><span class="hl-code">,
+    </span><span class="hl-reserved">array</span><span class="hl-brackets">(</span><span class="hl-number">0</span><span class="hl-code">,</span><span class="hl-number">1</span><span class="hl-code">,</span><span class="hl-number">2</span><span class="hl-code">,</span><span class="hl-number">3</span><span class="hl-code">,</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">6</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-code">,</span><span class="hl-number">9</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-brackets">(</span><span class="hl-number">10</span><span class="hl-code">,</span><span class="hl-number">9</span><span class="hl-code">,</span><span class="hl-number">8</span><span class="hl-code">,</span><span class="hl-number">17</span><span class="hl-code">,</span><span class="hl-number">6</span><span class="hl-code">,</span><span class="hl-number">5</span><span class="hl-code">,</span><span class="hl-number">4</span><span class="hl-code">,</span><span class="hl-number">3</span><span class="hl-code">,</span><span class="hl-number">2</span><span class="hl-code">,</span><span class="hl-number">1</span><span class="hl-code">,</span><span class="hl-number">0</span><span class="hl-brackets">)</span><span class="hl-code">,
+    </span><span class="hl-reserved">array</span><span class="hl-brackets">(</span><span class="hl-number">0</span><span class="hl-code">,</span><span class="hl-number">1</span><span class="hl-code">,</span><span class="hl-number">2</span><span class="hl-code">,</span><span class="hl-number">3</span><span class="hl-code">,</span><span class="hl-number">4</span><span class="hl-code">,</span><span class="hl-number">4</span><span class="hl-code">,</span><span class="hl-number">9</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-code">,</span><span class="hl-number">9</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-brackets">(</span><span class="hl-number">8</span><span class="hl-code">,</span><span class="hl-number">1</span><span class="hl-code">,</span><span class="hl-number">2</span><span class="hl-code">,</span><span class="hl-number">3</span><span class="hl-code">,</span><span class="hl-number">4</span><span class="hl-code">,</span><span class="hl-number">8</span><span class="hl-code">,</span><span class="hl-number">3</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-code">,</span><span class="hl-number">9</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-brackets">(</span><span class="hl-number">10</span><span class="hl-code">,</span><span class="hl-number">3</span><span class="hl-code">,</span><span class="hl-number">5</span><span class="hl-code">,</span><span class="hl-number">7</span><span class="hl-code">,</span><span class="hl-number">6</span><span class="hl-code">,</span><span class="hl-number">5</span><span class="hl-code">,</span><span class="hl-number">4</span><span class="hl-code">,</span><span class="hl-number">3</span><span class="hl-code">,</span><span class="hl-number">12</span><span class="hl-code">,</span><span class="hl-number">1</span><span class="hl-code">,</span><span class="hl-number">0</span><span class="hl-brackets">)</span><span class="hl-code">,
+    </span><span class="hl-reserved">array</span><span class="hl-brackets">(</span><span class="hl-number">10</span><span class="hl-code">,</span><span class="hl-number">9</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">6</span><span class="hl-code">,</span><span class="hl-number">5</span><span class="hl-code">,</span><span class="hl-number">4</span><span class="hl-code">,</span><span class="hl-number">3</span><span class="hl-code">,</span><span class="hl-number">2</span><span class="hl-code">,</span><span class="hl-number">1</span><span class="hl-code">,</span><span class="hl-number">0</span><span class="hl-brackets">)</span><span class="hl-code">,
+</span><span class="hl-brackets">)</span><span class="hl-code">;
+</span><span class="hl-comment">//</span><span class="hl-comment"> Interpolate the data a factor of 4 to get some mroe </span><span class="hl-comment"></span><span class="hl-code">
+</span><span class="hl-comment">//</span><span class="hl-comment"> data points</span><span class="hl-comment"></span><span class="hl-code">
+</span><span class="hl-identifier">doMeshInterpolate</span><span class="hl-brackets">(</span><span class="hl-var">$data</span><span class="hl-code">,</span><span class="hl-number">4</span><span class="hl-brackets">)</span><span class="hl-code">;
+ 
+</span><span class="hl-comment">//</span><span class="hl-comment"> Setup a timer</span><span class="hl-comment"></span><span class="hl-code">
+</span><span class="hl-var">$timer</span><span class="hl-code"> = </span><span class="hl-reserved">new</span><span class="hl-code"> </span><span class="hl-identifier">JpgTimer</span><span class="hl-brackets">(</span><span class="hl-brackets">)</span><span class="hl-code">;
+</span><span class="hl-var">$timer</span><span class="hl-code">-&gt;</span><span class="hl-identifier">Push</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">--------------------------------------------------------------</span><span class="hl-comment"></span><span class="hl-code">
+</span><span class="hl-comment">//</span><span class="hl-comment"> Setup a basic matrix graph</span><span class="hl-comment"></span><span class="hl-code">
+</span><span class="hl-comment">//</span><span class="hl-comment">--------------------------------------------------------------</span><span class="hl-comment"></span><span class="hl-code">
+</span><span class="hl-var">$width</span><span class="hl-code"> = </span><span class="hl-number">740</span><span class="hl-code">; </span><span class="hl-var">$height</span><span class="hl-code"> = </span><span class="hl-number">500</span><span class="hl-code">;
+</span><span class="hl-var">$graph</span><span class="hl-code"> = </span><span class="hl-reserved">new</span><span class="hl-code"> </span><span class="hl-identifier">MatrixGraph</span><span class="hl-brackets">(</span><span class="hl-var">$width</span><span class="hl-code">,</span><span class="hl-var">$height</span><span class="hl-brackets">)</span><span class="hl-code">;
+</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetMargin</span><span class="hl-brackets">(</span><span class="hl-number">1</span><span class="hl-code">,</span><span class="hl-number">2</span><span class="hl-code">,</span><span class="hl-number">70</span><span class="hl-code">,</span><span class="hl-number">1</span><span class="hl-brackets">)</span><span class="hl-code">;
+</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetColor</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">white</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
+</span><span class="hl-var">$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">#fafafa</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
+</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">title</span><span class="hl-code">-&gt;</span><span class="hl-identifier">Set</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">Intro matrix graph</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
+</span><span class="hl-var">$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_ARIAL</span><span class="hl-code">,</span><span class="hl-identifier">FS_BOLD</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-comment">//</span><span class="hl-comment"> Setup the background image</span><span class="hl-comment"></span><span class="hl-code">
+</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetBackgroundImage</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">fireplace.jpg</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-identifier">BGIMG_FILLPLOT</span><span class="hl-brackets">)</span><span class="hl-code">;
+</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetBackgroundImageMix</span><span class="hl-brackets">(</span><span class="hl-number">50</span><span class="hl-brackets">)</span><span class="hl-code">;
+ 
+</span><span class="hl-comment">//</span><span class="hl-comment"> Setup the timer in the right footer</span><span class="hl-comment"></span><span class="hl-code">
+</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">footer</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetTimer</span><span class="hl-brackets">(</span><span class="hl-var">$timer</span><span class="hl-brackets">)</span><span class="hl-code">;
+</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">footer</span><span class="hl-code">-&gt;</span><span class="hl-identifier">right</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetColor</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">white</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
+ 
+</span><span class="hl-comment">//</span><span class="hl-comment">--------------------------------------------------------------</span><span class="hl-comment"></span><span class="hl-code">
+</span><span class="hl-comment">//</span><span class="hl-comment"> Create the 2 matrix plots</span><span class="hl-comment"></span><span class="hl-code">
+</span><span class="hl-comment">//</span><span class="hl-comment">--------------------------------------------------------------</span><span class="hl-comment"></span><span class="hl-code">
+</span><span class="hl-var">$mp</span><span class="hl-code"> = </span><span class="hl-reserved">array</span><span class="hl-brackets">(</span><span class="hl-brackets">)</span><span class="hl-code">; </span><span class="hl-var">$n</span><span class="hl-code"> = </span><span class="hl-number">2</span><span class="hl-code">;
+</span><span class="hl-reserved">for</span><span class="hl-brackets">(</span><span class="hl-var">$i</span><span class="hl-code">=</span><span class="hl-number">0</span><span class="hl-code">; </span><span class="hl-var">$i</span><span class="hl-code"> &lt; </span><span class="hl-var">$n</span><span class="hl-code">; ++</span><span class="hl-var">$i</span><span class="hl-brackets">)</span><span class="hl-brackets">{</span><span class="hl-code">
+    </span><span class="hl-var">$mp</span><span class="hl-brackets">[</span><span class="hl-var">$i</span><span class="hl-brackets">]</span><span class="hl-code"> = </span><span class="hl-reserved">new</span><span class="hl-code"> </span><span class="hl-identifier">MatrixPlot</span><span class="hl-brackets">(</span><span class="hl-var">$data</span><span class="hl-brackets">)</span><span class="hl-code">;
+    </span><span class="hl-var">$mp</span><span class="hl-brackets">[</span><span class="hl-var">$i</span><span class="hl-brackets">]</span><span class="hl-code">-&gt;</span><span class="hl-identifier">colormap</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetMap</span><span class="hl-brackets">(</span><span class="hl-var">$i</span><span class="hl-brackets">)</span><span class="hl-code">;
+    </span><span class="hl-var">$mp</span><span class="hl-brackets">[</span><span class="hl-var">$i</span><span class="hl-brackets">]</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetSize</span><span class="hl-brackets">(</span><span class="hl-number">300</span><span class="hl-code">,</span><span class="hl-number">250</span><span class="hl-brackets">)</span><span class="hl-code">;    
+    </span><span class="hl-var">$mp</span><span class="hl-brackets">[</span><span class="hl-var">$i</span><span class="hl-brackets">]</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetLegendLayout</span><span class="hl-brackets">(</span><span class="hl-number">1</span><span class="hl-brackets">)</span><span class="hl-code">;
+    </span><span class="hl-var">$mp</span><span class="hl-brackets">[</span><span class="hl-var">$i</span><span class="hl-brackets">]</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetAlpha</span><span class="hl-brackets">(</span><span class="hl-number">0</span><span class="hl-number">.2</span><span class="hl-brackets">)</span><span class="hl-code">;
+    
+    </span><span class="hl-comment">//</span><span class="hl-comment"> Make the legend slightly longer than default</span><span class="hl-comment"></span><span class="hl-code">
+    </span><span class="hl-var">$mp</span><span class="hl-brackets">[</span><span class="hl-var">$i</span><span class="hl-brackets">]</span><span class="hl-code">-&gt;</span><span class="hl-identifier">legend</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetSize</span><span class="hl-brackets">(</span><span class="hl-number">20</span><span class="hl-code">,</span><span class="hl-number">280</span><span class="hl-brackets">)</span><span class="hl-code">;
+</span><span class="hl-brackets">}</span><span class="hl-code">
+</span><span class="hl-var">$mp</span><span class="hl-brackets">[</span><span class="hl-number">1</span><span class="hl-brackets">]</span><span class="hl-code">-&gt;</span><span class="hl-identifier">colormap</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetMap</span><span class="hl-brackets">(</span><span class="hl-number">3</span><span class="hl-brackets">)</span><span class="hl-code">;
+ 
+</span><span class="hl-var">$hor1</span><span class="hl-code"> = </span><span class="hl-reserved">new</span><span class="hl-code"> </span><span class="hl-identifier">LayoutHor</span><span class="hl-brackets">(</span><span class="hl-reserved">array</span><span class="hl-brackets">(</span><span class="hl-var">$mp</span><span class="hl-brackets">[</span><span class="hl-number">0</span><span class="hl-brackets">]</span><span class="hl-code">,</span><span class="hl-var">$mp</span><span class="hl-brackets">[</span><span class="hl-number">1</span><span class="hl-brackets">]</span><span class="hl-brackets">)</span><span class="hl-brackets">)</span><span class="hl-code">;
+</span><span class="hl-var">$hor1</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetCenterPos</span><span class="hl-brackets">(</span><span class="hl-number">0</span><span class="hl-number">.5</span><span class="hl-code">,</span><span class="hl-number">0</span><span class="hl-number">.5</span><span class="hl-brackets">)</span><span class="hl-code">;
+ 
+</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">Add</span><span class="hl-brackets">(</span><span class="hl-var">$hor1</span><span class="hl-brackets">)</span><span class="hl-code">;
+ 
+</span><span class="hl-comment">//</span><span class="hl-comment">--------------------------------------------------------------</span><span class="hl-comment"></span><span class="hl-code">
+</span><span class="hl-comment">//</span><span class="hl-comment"> Add texts to the graph</span><span class="hl-comment"></span><span class="hl-code">
+</span><span class="hl-comment">//</span><span class="hl-comment">--------------------------------------------------------------</span><span class="hl-comment"></span><span class="hl-code">
+</span><span class="hl-var">$txts</span><span class="hl-code"> = </span><span class="hl-reserved">array</span><span class="hl-brackets">(</span><span class="hl-code"> 
+    </span><span class="hl-reserved">array</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">Temperature gradient</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-var">$width</span><span class="hl-code">/</span><span class="hl-number">2</span><span class="hl-code">,</span><span class="hl-number">80</span><span class="hl-brackets">)</span><span class="hl-code">,
+    </span><span class="hl-reserved">array</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">Heat color map</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-number">200</span><span class="hl-code">,</span><span class="hl-number">110</span><span class="hl-brackets">)</span><span class="hl-code">,
+    </span><span class="hl-reserved">array</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">High contrast map</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-number">560</span><span class="hl-code">,</span><span class="hl-number">110</span><span class="hl-brackets">)</span><span class="hl-brackets">)</span><span class="hl-code">;
+ 
+</span><span class="hl-var">$n</span><span class="hl-code">=</span><span class="hl-identifier">count</span><span class="hl-brackets">(</span><span class="hl-var">$txts</span><span class="hl-brackets">)</span><span class="hl-code">;
+</span><span class="hl-var">$t</span><span class="hl-code">=</span><span class="hl-reserved">array</span><span class="hl-brackets">(</span><span class="hl-brackets">)</span><span class="hl-code">;
+</span><span class="hl-reserved">for</span><span class="hl-brackets">(</span><span class="hl-var">$i</span><span class="hl-code">=</span><span class="hl-number">0</span><span class="hl-code">; </span><span class="hl-var">$i</span><span class="hl-code"> &lt; </span><span class="hl-var">$n</span><span class="hl-code">; ++</span><span class="hl-var">$i</span><span class="hl-brackets">)</span><span class="hl-brackets">{</span><span class="hl-code">
+    </span><span class="hl-var">$t</span><span class="hl-brackets">[</span><span class="hl-var">$i</span><span class="hl-brackets">]</span><span class="hl-code"> = </span><span class="hl-reserved">new</span><span class="hl-code"> </span><span class="hl-identifier">Text</span><span class="hl-brackets">(</span><span class="hl-var">$txts</span><span class="hl-brackets">[</span><span class="hl-var">$i</span><span class="hl-brackets">]</span><span class="hl-brackets">[</span><span class="hl-number">0</span><span class="hl-brackets">]</span><span class="hl-code">,</span><span class="hl-var">$txts</span><span class="hl-brackets">[</span><span class="hl-var">$i</span><span class="hl-brackets">]</span><span class="hl-brackets">[</span><span class="hl-number">1</span><span class="hl-brackets">]</span><span class="hl-code">,</span><span class="hl-var">$txts</span><span class="hl-brackets">[</span><span class="hl-var">$i</span><span class="hl-brackets">]</span><span class="hl-brackets">[</span><span class="hl-number">2</span><span class="hl-brackets">]</span><span class="hl-brackets">)</span><span class="hl-code">;
+    </span><span class="hl-var">$t</span><span class="hl-brackets">[</span><span class="hl-var">$i</span><span class="hl-brackets">]</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetFont</span><span class="hl-brackets">(</span><span class="hl-identifier">FF_ARIAL</span><span class="hl-code">,</span><span class="hl-identifier">FS_BOLD</span><span class="hl-code">,</span><span class="hl-number">14</span><span class="hl-brackets">)</span><span class="hl-code">;
+    </span><span class="hl-var">$t</span><span class="hl-brackets">[</span><span class="hl-var">$i</span><span class="hl-brackets">]</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetColor</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">white</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
+    </span><span class="hl-var">$t</span><span class="hl-brackets">[</span><span class="hl-var">$i</span><span class="hl-brackets">]</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetAlign</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">center</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-quotes">'</span><span class="hl-string">top</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
+</span><span class="hl-brackets">}</span><span class="hl-code">
+</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">Add</span><span class="hl-brackets">(</span><span class="hl-var">$t</span><span class="hl-brackets">)</span><span class="hl-code">;
+ 
+</span><span class="hl-comment">//</span><span class="hl-comment">--------------------------------------------------------------</span><span class="hl-comment"></span><span class="hl-code">
+</span><span class="hl-comment">//</span><span class="hl-comment"> Add Jpgraph logo to top left corner</span><span class="hl-comment"></span><span class="hl-code">
+</span><span class="hl-comment">//</span><span class="hl-comment">--------------------------------------------------------------</span><span class="hl-comment"></span><span class="hl-code">
+</span><span class="hl-var">$icon</span><span class="hl-code"> = </span><span class="hl-reserved">new</span><span class="hl-code"> </span><span class="hl-identifier">IconPlot</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">jpglogo.jpg</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-number">2</span><span class="hl-code">,</span><span class="hl-number">2</span><span class="hl-code">,</span><span class="hl-number">0</span><span class="hl-number">.9</span><span class="hl-code">,</span><span class="hl-number">50</span><span class="hl-brackets">)</span><span class="hl-code">;
+</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">Add</span><span class="hl-brackets">(</span><span class="hl-var">$icon</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">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>