windrose_ex9.html 10.8 KB
<div style="font-weight: bold;margin-left:15px;">windrose_ex9.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_windrose.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"> Data can be specified using both ordinal index of the axis</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> as well as the direction label.</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-quotes">'</span><span class="hl-string">E</span><span class="hl-quotes">'</span><span class="hl-code"> =&gt; </span><span class="hl-reserved">array</span><span class="hl-brackets">(</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">2</span><span class="hl-code">,</span><span class="hl-number">2</span><span class="hl-brackets">)</span><span class="hl-code">,
    </span><span class="hl-quotes">'</span><span class="hl-string">N</span><span class="hl-quotes">'</span><span class="hl-code"> =&gt; </span><span class="hl-reserved">array</span><span class="hl-brackets">(</span><span class="hl-number">1</span><span class="hl-code">,</span><span class="hl-number">1</span><span class="hl-code">,</span><span class="hl-number">1</span><span class="hl-number">.5</span><span class="hl-code">,</span><span class="hl-number">2</span><span class="hl-brackets">)</span><span class="hl-code">,
    </span><span class="hl-quotes">'</span><span class="hl-string">nw</span><span class="hl-quotes">'</span><span class="hl-code"> =&gt; </span><span class="hl-reserved">array</span><span class="hl-brackets">(</span><span class="hl-number">1</span><span class="hl-code">,</span><span class="hl-number">1</span><span class="hl-code">,</span><span class="hl-number">1</span><span class="hl-number">.5</span><span class="hl-code">,</span><span class="hl-number">2</span><span class="hl-brackets">)</span><span class="hl-code">,
    </span><span class="hl-quotes">'</span><span class="hl-string">S</span><span class="hl-quotes">'</span><span class="hl-code"> =&gt; </span><span class="hl-reserved">array</span><span class="hl-brackets">(</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">5</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-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Define the color,weight and style of some individual radial</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> grid lines. Axis can be specified either by their (localized)</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> label or by their index.</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> Note; Depending on how many axis you have in the plot the</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> index will vary between 0..n where n is the number of</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> compass directions.</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$axiscolors</span><span class="hl-code"> = </span><span class="hl-reserved">array</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">nw</span><span class="hl-quotes">'</span><span class="hl-code">=&gt;</span><span class="hl-quotes">'</span><span class="hl-string">brown</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$axisweights</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">nw</span><span class="hl-quotes">'</span><span class="hl-code">=&gt;</span><span class="hl-number">8</span><span class="hl-brackets">)</span><span class="hl-code">;  </span><span class="hl-comment">//</span><span class="hl-comment"> Could also be specified as 6 =&gt; 8</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$axisstyles</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">nw</span><span class="hl-quotes">'</span><span class="hl-code">=&gt;</span><span class="hl-quotes">'</span><span class="hl-string">solid</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"> First create a new windrose graph with a title</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$graph</span><span class="hl-code"> = </span><span class="hl-reserved">new</span><span class="hl-code"> </span><span class="hl-identifier">WindroseGraph</span><span class="hl-brackets">(</span><span class="hl-number">400</span><span class="hl-code">,</span><span class="hl-number">500</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$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">Windrose example 9</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">title</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetFont</span><span class="hl-brackets">(</span><span class="hl-identifier">FF_VERDANA</span><span class="hl-code">,</span><span class="hl-identifier">FS_BOLD</span><span class="hl-code">,</span><span class="hl-number">14</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">title</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetColor</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">navy</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"> Create the free windrose plot.</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$wp</span><span class="hl-code"> = </span><span class="hl-reserved">new</span><span class="hl-code"> </span><span class="hl-identifier">WindrosePlot</span><span class="hl-brackets">(</span><span class="hl-var">$data</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$wp</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetType</span><span class="hl-brackets">(</span><span class="hl-identifier">WINDROSE_TYPE16</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Specify colors weights and style for the radial gridlines</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$wp</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetRadialColors</span><span class="hl-brackets">(</span><span class="hl-var">$axiscolors</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$wp</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetRadialWeights</span><span class="hl-brackets">(</span><span class="hl-var">$axisweights</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$wp</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetRadialStyles</span><span class="hl-brackets">(</span><span class="hl-var">$axisstyles</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Add some &quot;arbitrary&quot; text to the center</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$wp</span><span class="hl-code">-&gt;</span><span class="hl-identifier">scale</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetZeroLabel</span><span class="hl-brackets">(</span><span class="hl-quotes">&quot;</span><span class="hl-string">SOx</span><span class="hl-special">\n</span><span class="hl-string">8%%</span><span class="hl-quotes">&quot;</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Finally add it to the graph and send back to the client</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">Add</span><span class="hl-brackets">(</span><span class="hl-var">$wp</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>