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<?php
include 'graph.php';
 
 $chart = new graph(400,240);
 $chart->parameter['path_to_fonts'] = 'fonts/'; // path to where fonts are stored
 $chart->parameter['title'] = 'Brush Line Chart';
 $chart->parameter['x_label'] = 'Day of the Week';
 $chart->parameter['y_label_left'] = 'Some Data';
 
 $chart->x_data          = array('Friday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday');
 
 srand ((double) microtime() * 1000000);
 $a = 25;
 $b = 10;
 $c = 18;
 $d = 4;
 $e = 9;
 $f = 12;
 foreach (array('alpha','beta','theta') as $i) {
 $a += rand(-4, 2);
 $b += rand(-2, 4);
 $c += rand(-4, 2);
 $d += rand(-2, 4);
 $e += rand(-4, 2);
 $f += rand(-2, 4);
 if ($a < 0) $a = 0;
 if ($b < 0) $b = 0;
 if ($c < 0) $c = 0;
 if ($d < 0) $d = 0;
 if ($e < 0) $e = 0;
 if ($f < 0) $f = 0;
 $chart->y_data[$i] = array($a, $b, $c, $d, $e, $f);
 }
 
 $chart->parameter['point_size'] = 6;
 
 // format for each data set
 $chart->y_format['alpha'] =
 array('colour' => 'blue',
 'line'   => 'brush',
 'legend' => 'First Data Set');
 
 $chart->y_format['beta'] =
 array('colour' => 'yellow',
 'line'   => 'brush',
 'legend' => 'Second Data Set');
 
 $chart->y_format['theta'] =
 array('colour' => 'green',
 'line'   => 'brush',
 'legend' => 'Third Data Set');
 
 // order in which to draw data sets.
 $chart->y_order = array('alpha', 'beta', 'theta');
 
 $chart->parameter['x_axis_angle'] = 60; // x_axis text rotation
 $chart->parameter['y_decimal_left']= 2;
 $chart->parameter['y_axis_num_ticks']= 6;
 
 $chart->parameter['brush_size'] = 4;
 $chart->parameter['shadow_offset'] = 4;
 
 //$chart->parameter['legend'] = 'outside-left';
 //$chart->parameter['legend_border'] = 'black';
 
 // draw it.
 $chart->draw();
 ?>
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