/framework/lib/jpgraph/docportal/chunkhtml/example_src/sunspotsex7.html

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  1. <div style="font-weight: bold;margin-left:15px;">sunspotsex7.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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  57. </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">
    58. 

  58. </span><span class="hl-reserved">require_once</span><span class="hl-code"> </span><span class="hl-brackets">(</span><span class="hl-quotes">&quot;</span><span class="hl-string">jpgraph/jpgraph.php</span><span class="hl-quotes">&quot;</span><span class="hl-brackets">)</span><span class="hl-code">;
    59. 

  59. </span><span class="hl-reserved">require_once</span><span class="hl-code"> </span><span class="hl-brackets">(</span><span class="hl-quotes">&quot;</span><span class="hl-string">jpgraph/jpgraph_line.php</span><span class="hl-quotes">&quot;</span><span class="hl-brackets">)</span><span class="hl-code">;
    60. 

  60. </span><span class="hl-reserved">require_once</span><span class="hl-code"> </span><span class="hl-brackets">(</span><span class="hl-quotes">&quot;</span><span class="hl-string">jpgraph/jpgraph_bar.php</span><span class="hl-quotes">&quot;</span><span class="hl-brackets">)</span><span class="hl-code">;
    61. 

  61.  
    62. 

  62. </span><span class="hl-reserved">function</span><span class="hl-code"> </span><span class="hl-identifier">readsunspotdata</span><span class="hl-brackets">(</span><span class="hl-var">$aFile</span><span class="hl-code">, &amp;</span><span class="hl-var">$aYears</span><span class="hl-code">, &amp;</span><span class="hl-var">$aSunspots</span><span class="hl-brackets">)</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
    63. 

  63.     </span><span class="hl-var">$lines</span><span class="hl-code"> = @</span><span class="hl-identifier">file</span><span class="hl-brackets">(</span><span class="hl-var">$aFile</span><span class="hl-code">,</span><span class="hl-identifier">FILE_IGNORE_NEW_LINES</span><span class="hl-code">|</span><span class="hl-identifier">FILE_SKIP_EMPTY_LINES</span><span class="hl-brackets">)</span><span class="hl-code">;
    64. 

  64.     </span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-code"> </span><span class="hl-var">$lines</span><span class="hl-code"> === </span><span class="hl-reserved">false</span><span class="hl-code"> </span><span class="hl-brackets">)</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
    65. 

  65.         </span><span class="hl-reserved">throw</span><span class="hl-code"> </span><span class="hl-reserved">new</span><span class="hl-code"> </span><span class="hl-identifier">JpGraphException</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">Can not read sunspot data file.</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
    66. 

  66.     </span><span class="hl-brackets">}</span><span class="hl-code">
    67. 

  67.     </span><span class="hl-reserved">foreach</span><span class="hl-brackets">(</span><span class="hl-code"> </span><span class="hl-var">$lines</span><span class="hl-code"> </span><span class="hl-reserved">as</span><span class="hl-code"> </span><span class="hl-var">$line</span><span class="hl-code"> =&gt; </span><span class="hl-var">$datarow</span><span class="hl-code"> </span><span class="hl-brackets">)</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
    68. 

  68.         </span><span class="hl-var">$split</span><span class="hl-code"> = </span><span class="hl-identifier">preg_split</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">/[\s]+/</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-var">$datarow</span><span class="hl-brackets">)</span><span class="hl-code">;
    69. 

  69.         </span><span class="hl-var">$aYears</span><span class="hl-brackets">[</span><span class="hl-brackets">]</span><span class="hl-code"> = </span><span class="hl-identifier">substr</span><span class="hl-brackets">(</span><span class="hl-identifier">trim</span><span class="hl-brackets">(</span><span class="hl-var">$split</span><span class="hl-brackets">[</span><span class="hl-number">0</span><span class="hl-brackets">]</span><span class="hl-brackets">)</span><span class="hl-code">,</span><span class="hl-number">0</span><span class="hl-code">,</span><span class="hl-number">4</span><span class="hl-brackets">)</span><span class="hl-code">;
    70. 

  70.         </span><span class="hl-var">$aSunspots</span><span class="hl-brackets">[</span><span class="hl-brackets">]</span><span class="hl-code"> = </span><span class="hl-identifier">trim</span><span class="hl-brackets">(</span><span class="hl-var">$split</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-code">;
    71. 

  71.     </span><span class="hl-brackets">}</span><span class="hl-code">
    72. 

  72. </span><span class="hl-brackets">}</span><span class="hl-code">
    73. 

  73.  
    74. 

  74. </span><span class="hl-var">$year</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">;
    75. 

  75. </span><span class="hl-var">$ydata</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">;
    76. 

  76. </span><span class="hl-identifier">readsunspotdata</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">yearssn.txt</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-var">$year</span><span class="hl-code">,</span><span class="hl-var">$ydata</span><span class="hl-brackets">)</span><span class="hl-code">;
    77. 

  77.  
    78. 

  78. </span><span class="hl-comment">//</span><span class="hl-comment"> Just keep the last 20 values in the arrays</span><span class="hl-comment"></span><span class="hl-code">
    79. 

  79. </span><span class="hl-var">$year</span><span class="hl-code"> = </span><span class="hl-identifier">array_slice</span><span class="hl-brackets">(</span><span class="hl-var">$year</span><span class="hl-code">, -</span><span class="hl-number">20</span><span class="hl-brackets">)</span><span class="hl-code">;
    80. 

  80. </span><span class="hl-var">$ydata</span><span class="hl-code"> = </span><span class="hl-identifier">array_slice</span><span class="hl-brackets">(</span><span class="hl-var">$ydata</span><span class="hl-code">, -</span><span class="hl-number">20</span><span class="hl-brackets">)</span><span class="hl-code">;
    81. 

  81.  
    82. 

  82.  </span><span class="hl-comment">//</span><span class="hl-comment"> Width and height of the graph</span><span class="hl-comment"></span><span class="hl-code">
    83. 

  83. </span><span class="hl-var">$width</span><span class="hl-code"> = </span><span class="hl-number">600</span><span class="hl-code">; </span><span class="hl-var">$height</span><span class="hl-code"> = </span><span class="hl-number">200</span><span class="hl-code">;
    84. 

  84.  
    85. 

  85. </span><span class="hl-comment">//</span><span class="hl-comment"> Create a graph instance</span><span class="hl-comment"></span><span class="hl-code">
    86. 

  86. </span><span class="hl-var">$graph</span><span class="hl-code"> = </span><span class="hl-reserved">new</span><span class="hl-code"> </span><span class="hl-identifier">Graph</span><span class="hl-brackets">(</span><span class="hl-var">$width</span><span class="hl-code">,</span><span class="hl-var">$height</span><span class="hl-brackets">)</span><span class="hl-code">;
    87. 

  87.  
    88. 

  88. </span><span class="hl-comment">//</span><span class="hl-comment"> Specify what scale we want to use,</span><span class="hl-comment"></span><span class="hl-code">
    89. 

  89. </span><span class="hl-comment">//</span><span class="hl-comment"> text = txt scale for the X-axis</span><span class="hl-comment"></span><span class="hl-code">
    90. 

  90. </span><span class="hl-comment">//</span><span class="hl-comment"> int = integer scale for the Y-axis</span><span class="hl-comment"></span><span class="hl-code">
    91. 

  91. </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">textint</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
    92. 

  92.  
    93. 

  93. </span><span class="hl-comment">//</span><span class="hl-comment"> Setup a title for the graph</span><span class="hl-comment"></span><span class="hl-code">
    94. 

  94. </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">Sunspot example</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
    95. 

  95.  
    96. 

  96. </span><span class="hl-comment">//</span><span class="hl-comment"> Setup titles and X-axis labels</span><span class="hl-comment"></span><span class="hl-code">
    97. 

  97. </span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">xaxis</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">(year)</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
    98. 

  98. </span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">xaxis</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetTickLabels</span><span class="hl-brackets">(</span><span class="hl-var">$year</span><span class="hl-brackets">)</span><span class="hl-code">;
    99. 

  99.  
    100. 

  100. </span><span class="hl-comment">//</span><span class="hl-comment"> Setup Y-axis title</span><span class="hl-comment"></span><span class="hl-code">
    101. 

  101. </span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">yaxis</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">(# sunspots)</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
    102. 

  102.  
    103. 

  103. </span><span class="hl-comment">//</span><span class="hl-comment"> Create the bar plot</span><span class="hl-comment"></span><span class="hl-code">
    104. 

  104. </span><span class="hl-var">$barplot</span><span class="hl-code">=</span><span class="hl-reserved">new</span><span class="hl-code"> </span><span class="hl-identifier">BarPlot</span><span class="hl-brackets">(</span><span class="hl-var">$ydata</span><span class="hl-brackets">)</span><span class="hl-code">;
    105. 

  105.  
    106. 

  106. </span><span class="hl-comment">//</span><span class="hl-comment"> Add the plot to the graph</span><span class="hl-comment"></span><span class="hl-code">
    107. 

  107. </span><span class="hl-var">$graph</span><span class="hl-code">-&gt;</span><span class="hl-identifier">Add</span><span class="hl-brackets">(</span><span class="hl-var">$barplot</span><span class="hl-brackets">)</span><span class="hl-code">;
    108. 

  108.  
    109. 

  109. </span><span class="hl-comment">//</span><span class="hl-comment"> Display the graph</span><span class="hl-comment"></span><span class="hl-code">
    110. 

  110. </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">;
    111. 

  111.  
    112. 

  112. </span><span class="hl-inlinetags">?&gt;</span></pre></td></tr></table></div>
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