99 lines
2.9 KiB
PHP
99 lines
2.9 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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* Datapreprocessing usage and idea
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*
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* Other:
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* Matrix layout
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*
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* $Id: datapreprocessor.php,v 1.4 2005/08/03 21:21:52 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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error_reporting(E_ALL);
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include('Image/Graph.php');
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function foo($value) {
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return '-' . chr($value+63) . '-';
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}
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// create the graph
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$Graph =& Image_Graph::factory('Image_Graph', array(600, 400));
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// add a TrueType font
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$Font =& $Graph->addNew('font', 'Verdana');
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// set the font size to 11 pixels
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$Font->setSize(7);
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$Graph->setFont($Font);
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// create the plotarea
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$Graph->add(
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Image_Graph::vertical(
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Image_Graph::factory('Image_Graph_Title', array('DataPreprocessor Example', 11)),
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$Matrix = Image_Graph::factory('Image_Graph_Layout_Matrix', array(2, 2)),
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5
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)
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);
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$Charts = array('bar', 'line', 'Image_Graph_Plot_Smoothed_Line', 'Image_Graph_Plot_Area');
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for ($i = 0; $i < 2; $i++) {
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for ($j = 0; $j < 2; $j++) {
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$Plotarea =& $Matrix->getEntry($i, $j);
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$Chart = $Charts[($i*2+$j)];
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$GridY =& $Plotarea->addNew('bar_grid', IMAGE_GRAPH_AXIS_Y);
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$GridY->setFillStyle(Image_Graph::factory('gradient', array(IMAGE_GRAPH_GRAD_VERTICAL, 'white', 'lightgrey')));
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$Var = "Plot$i$j";
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$Dataset =& Image_Graph::factory('Image_Graph_Dataset_Random', array(8, 10, 100, $Chart == 'Image_Graph_Plot_Area'));
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$$Var =& $Plotarea->addNew($Chart, array(&$Dataset));
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}
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}
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$Plotarea =& $Matrix->getEntry(0, 0);
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$AxisX =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_X);
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$AxisX->setDataPreprocessor(Image_Graph::factory('Image_Graph_DataPreprocessor_RomanNumerals'));
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$AxisY =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_Y);
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$AxisY->setDataPreprocessor(Image_Graph::factory('Image_Graph_DataPreprocessor_NumberText'));
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$Plotarea =& $Matrix->getEntry(0, 1);
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$AxisX =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_X);
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$AxisX->setDataPreprocessor(
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Image_Graph::factory('Image_Graph_DataPreprocessor_Array',
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array(
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array(
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1 => '30 Jul',
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2 => '31 Jul',
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3 => '1 Aug',
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4 => '2 Aug',
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5 => '3 Aug',
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6 => '4 Aug',
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7 => '5 Aug',
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8 => '6 Aug'
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)
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)
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)
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);
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$AxisY =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_Y);
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$AxisY->setDataPreprocessor(Image_Graph::factory('Image_Graph_DataPreprocessor_Formatted', '+ %0.1f%%'));
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$Plotarea =& $Matrix->getEntry(1, 0);
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$AxisX =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_X);
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$AxisX->setDataPreprocessor(Image_Graph::factory('Image_Graph_DataPreprocessor_Function', 'foo'));
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$AxisY =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_Y);
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$AxisY->setDataPreprocessor(Image_Graph::factory('Image_Graph_DataPreprocessor_Currency', 'US$'));
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// just for looks
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$Plot00->setFillColor('red@0.2');
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$Plot11->setFillColor('blue@0.2');
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// output the Graph
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$Graph->done();
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?>
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