63 lines
1.4 KiB
PHP
63 lines
1.4 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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* Show band chart
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*
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* Other:
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* None specific
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*
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* $Id: plot_band.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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// create the graph
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$Graph =& Image_Graph::factory('graph', array(400, 300));
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// add a TrueType font
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$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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$Graph->add(
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Image_Graph::vertical(
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Image_Graph::factory('title', array('Band Chart Sample', 12)),
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Image_Graph::vertical(
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$Plotarea = Image_Graph::factory('plotarea'),
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$Legend = Image_Graph::factory('legend'),
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90
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),
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5
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)
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);
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$Legend->setPlotarea($Plotarea);
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// create the dataset
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$Dataset =& Image_Graph::factory('dataset');
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for ($i = 0; $i < 40; $i++) {
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$v1 = rand(5, 15);
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$v2 = $v1 + rand(10, 20);
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$Dataset->addPoint($i, array('low' => $v1, 'high' => $v2));
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}
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// create the 1st plot as smoothed area chart using the 1st dataset
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$Plot =& $Plotarea->addNew('Image_Graph_Plot_Band', $Dataset);
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// set a line color
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$Plot->setLineColor('gray');
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$Plot->setFillColor('blue@0.2');
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$Axis =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_X);
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$Axis->setLabelInterval(5);
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// output the Graph
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$Graph->done();
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?>
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