84 lines
1.9 KiB
PHP
84 lines
1.9 KiB
PHP
<?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 stacked bar chart 100%
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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_bar_stacked100pct.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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include_once('Image/Graph.php');
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include_once('Image/Graph/Marker/Value.php');
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class myValueMarker extends Image_Graph_Marker_Value {
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function getDisplayValue($Values) {
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return "\{$Values[Y]}";
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}
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}
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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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$Graph->add(
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Image_Graph::vertical(
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Image_Graph::factory('title', array('Stacked Bar 100% Chart Sample', 12)),
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Image_Graph::vertical(
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$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($Plotarea);
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for ($j = 0; $j<4; $j++) {
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$DX =& Image_Graph::factory('dataset');
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$Datasets[$j] =& $DX;
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for ($i = 0; $i<10; $i++)
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$DX->addPoint($i, rand(2, 15), $j);
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}
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// create the 1st plot as smoothed area chart using the 1st dataset
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$Plot =& $Plotarea->addNew('bar', array($Datasets, 'stacked100pct'));
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// set a line color
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$Plot->setLineColor('gray');
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// create a fill array
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$FillArray =& Image_Graph::factory('Image_Graph_Fill_Array');
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$FillArray->addColor('blue@0.2');
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$FillArray->addColor('yellow@0.2');
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$FillArray->addColor('green@0.2');
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$FillArray->addColor('red@0.2');
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$FillArray->addColor('gray@0.2');
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// set a standard fill style
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$Plot->setFillStyle($FillArray);
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// create a Y data value marker
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$Marker =& $Plot->add(new myValueMarker(IMAGE_GRAPH_VALUE_Y));
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// and use the marker on the 1st plot
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$Plot->setMarker($Marker);
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// output the Graph
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$Graph->done();
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?>
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