72 lines
1.7 KiB
PHP
72 lines
1.7 KiB
PHP
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<?php
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/**
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* Usage example for Image_Graph.
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*
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* Main purpose:
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* Negative values
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* (more a test really)
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*
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* Other:
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* None specific
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*
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* $Id: negative_values.php,v 1.3 2005/08/03 21:21:53 nosey Exp $
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*
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* @package Image_Graph
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* @author Jesper Veggerby <pear.nosey@veggerby.dk>
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*/
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require_once 'Image/Graph.php';
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require_once 'Image/Canvas.php';
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$Canvas =& Image_Canvas::factory('png', array('width' => 400, 'height' => 300, 'antialias' => true));
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// create the graph
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$Graph =& Image_Graph::factory('graph', $Canvas);
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// add a TrueType font
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$Font =& $Graph->addNew('font', 'Verdana');
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// set the font size to 11 pixels
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$Font->setSize(8);
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$Graph->setFont($Font);
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$Graph->add(
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Image_Graph::vertical(
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$Plotarea = Image_Graph::factory('plotarea'),
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$Legend = Image_Graph::factory('legend'),
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90
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)
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);
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$Legend->setPlotarea($Plotarea);
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$Dataset =& Image_Graph::factory('dataset');
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$Dataset->addPoint('Jan', 1);
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$Dataset->addPoint('Feb', 2);
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$Dataset->addPoint('Mar', -2);
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$Dataset->addPoint('Apr', 4);
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$Dataset->addPoint('May', 3);
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$Dataset->addPoint('Jun', 6);
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$Dataset->addPoint('Jul', -1);
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$Dataset->addPoint('Aug', -3);
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$Dataset->addPoint('Sep', 2);
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$Dataset->addPoint('Oct', 3);
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$Dataset->addPoint('Nov', 1);
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$Dataset->addPoint('Dec', 4);
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$Dataset2 =& Image_Graph::factory('dataset');
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$Dataset2->addPoint('Jan', 3);
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$Dataset2->addPoint('Feb', 4);
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$Dataset2->addPoint('Mar', 1);
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$Dataset2->addPoint('Apr', -2);
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$Dataset2->addPoint('May', 3);
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$Dataset2->addPoint('Jul', 1);
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$Plot =& $Plotarea->addNew('area', array(&$Dataset));
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$Plot->setFillColor('red@0.2');
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$Plot2 =& $Plotarea->addNew('bar', array(&$Dataset2));
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$Plot2->setFillColor('blue@0.2');
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// output the Graph
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$Graph->done();
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?>
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