Source Code for Sample - Stacked Bar Chart Sample
Stacked Bar Chart Sample
Show stacked bar chart,
version 1.1, 08-Sep-2005 19:02
<?php
/**
* Usage example for Image_Graph.
*
* Main purpose:
* Show stacked bar chart
*
* Other:
* Data selector
* Fill style array (no ID) working in sync with legend
*
* $Id: plot_bar_stacked_horizontal.php,v 1.1 2005/09/08 19:02:17 nosey Exp $
*
* @package Image_Graph
* @author Jesper Veggerby <pear.nosey@veggerby.dk>
*/
require_once 'Image/Graph.php';
// create the graph
$Graph =& Image_Graph::factory('graph', array(400, 300));
// add a TrueType font
$Font =& $Graph->addNew('font', 'Verdana');
// set the font size to 11 pixels
$Font->setSize(8);
$Graph->setFont($Font);
$Graph->add(
Image_Graph::vertical(
Image_Graph::factory('title', array('Stacked Bar Chart Sample', 12)),
Image_Graph::vertical(
$Plotarea = Image_Graph::factory('plotarea',
array(
'category',
'axis',
'horizontal'
)
),
$Legend = Image_Graph::factory('legend'),
90
),
5
)
);
$Legend->setPlotarea($Plotarea);
// create the dataset
$Datasets[] =& Image_Graph::factory('random', array(10, 0, 4, false));
$Datasets[] =& Image_Graph::factory('random', array(10, 0, 4, false));
$Datasets[] =& Image_Graph::factory('random', array(10, 0, 4, false));
// create the 1st plot as smoothed area chart using the 1st dataset
$Plot =& $Plotarea->addNew('bar', array($Datasets, 'stacked'));
// set a line color
$Plot->setLineColor('gray');
// create a fill array
$FillArray =& Image_Graph::factory('Image_Graph_Fill_Array');
$FillArray->addColor('blue@0.2');
$FillArray->addColor('yellow@0.2');
$FillArray->addColor('green@0.2');
// set a standard fill style
$Plot->setFillStyle($FillArray);
// create a Y data value marker
$Marker =& $Plot->addNew('Image_Graph_Marker_Value', IMAGE_GRAPH_VALUE_Y);
// and use the marker on the 1st plot
$Plot->setMarker($Marker);
$Plot->setDataSelector(Image_Graph::factory('Image_Graph_DataSelector_NoZeros'));
// output the Graph
$Graph->done();
?>