Source Code for Sample - Datapreprocessing usage and idea
Datapreprocessing usage and idea
Datapreprocessing usage and idea,
version 1.4, 03-Aug-2005 21:21
<?php
/**
* Usage example for Image_Graph.
*
* Main purpose:
* Datapreprocessing usage and idea
*
* Other:
* Matrix layout
*
* $Id: datapreprocessor.php,v 1.4 2005/08/03 21:21:52 nosey Exp $
*
* @package Image_Graph
* @author Jesper Veggerby <pear.nosey@veggerby.dk>
*/
error_reporting(E_ALL);
include('Image/Graph.php');
function foo($value) {
return '-' . chr($value+63) . '-';
}
// create the graph
$Graph =& Image_Graph::factory('Image_Graph', array(400, 300));
// add a TrueType font
$Font =& $Graph->addNew('font', 'Verdana');
// set the font size to 11 pixels
$Font->setSize(6);
$Graph->setFont($Font);
// create the plotarea
$Graph->add(
Image_Graph::vertical(
Image_Graph::factory('Image_Graph_Title', array('DataPreprocessor Example', 11)),
$Matrix = Image_Graph::factory('Image_Graph_Layout_Matrix', array(2, 2)),
5
)
);
$Charts = array('bar', 'line', 'Image_Graph_Plot_Smoothed_Line', 'Image_Graph_Plot_Area');
for ($i = 0; $i < 2; $i++) {
for ($j = 0; $j < 2; $j++) {
$Plotarea =& $Matrix->getEntry($i, $j);
$Chart = $Charts[($i*2+$j)];
$GridY =& $Plotarea->addNew('bar_grid', IMAGE_GRAPH_AXIS_Y);
$GridY->setFillStyle(Image_Graph::factory('gradient', array(IMAGE_GRAPH_GRAD_VERTICAL, 'white', 'lightgrey')));
$Var = "Plot$i$j";
$Dataset =& Image_Graph::factory('Image_Graph_Dataset_Random', array(8, 10, 100, $Chart == 'Image_Graph_Plot_Area'));
$$Var =& $Plotarea->addNew($Chart, array(&$Dataset));
}
}
$Plotarea =& $Matrix->getEntry(0, 0);
$AxisX =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_X);
$AxisX->setDataPreprocessor(Image_Graph::factory('Image_Graph_DataPreprocessor_RomanNumerals'));
$AxisY =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_Y);
$AxisY->setDataPreprocessor(Image_Graph::factory('Image_Graph_DataPreprocessor_NumberText'));
$Plotarea =& $Matrix->getEntry(0, 1);
$AxisX =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_X);
$AxisX->setDataPreprocessor(
Image_Graph::factory('Image_Graph_DataPreprocessor_Array',
array(
array(
1 => '30/7',
2 => '31/7',
3 => '1/8',
4 => '2/8',
5 => '3/8',
6 => '4/8',
7 => '5/8',
8 => '6/8'
)
)
)
);
$AxisY =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_Y);
$AxisY->setDataPreprocessor(Image_Graph::factory('Image_Graph_DataPreprocessor_Formatted', '+ %0.0f%%'));
$Plotarea =& $Matrix->getEntry(1, 0);
$AxisX =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_X);
$AxisX->setDataPreprocessor(Image_Graph::factory('Image_Graph_DataPreprocessor_Function', 'foo'));
$AxisY =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_Y);
$AxisY->setDataPreprocessor(Image_Graph::factory('Image_Graph_DataPreprocessor_Currency', 'US$'));
// just for looks
$Plot00->setFillColor('red@0.2');
$Plot11->setFillColor('blue@0.2');
// output the Graph
$Graph->done();
?>