Source Code for Sample - Stacked Bar Chart with defined axis properties
Stacked Bar Chart with defined axis properties
Customizing axis and legends,
version 1.5, 27-Nov-2005 22:21
<?php
/**
* Usage example for Image_Graph.
*
* Main purpose:
* Customizing axis and legends
*
* Other:
* None specific
*
* $Id: customize.php,v 1.5 2005/11/27 22:21:17 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);
// create the plotarea
$Graph->add(
Image_Graph::vertical(
Image_Graph::factory('title', array('Stacked Bar Chart with defined axis properties', 12)),
$Plotarea = Image_Graph::factory('plotarea'),
5
)
);
$MarkerX =& $Plotarea->addNew('Image_Graph_Axis_Marker_Area', null, IMAGE_GRAPH_AXIS_X);
$MarkerX->setFillColor('blue@0.3');
$MarkerX->setLineColor('blue@0.3');
$MarkerX->setLowerBound(5);
$MarkerX->setUpperBound(7);
$MarkerX->setAxisPoints(5, 19);
$MarkerY =& $Plotarea->addNew('Image_Graph_Axis_Marker_Area', null, IMAGE_GRAPH_AXIS_Y);
$MarkerY->setFillColor('green@0.3');
$MarkerY->setLineColor('green@0.3');
$MarkerY->setLowerBound(5.2);
$MarkerY->setUpperBound(9.3);
$MarkerY =& $Plotarea->addNew('Image_Graph_Axis_Marker_Line', null, IMAGE_GRAPH_AXIS_Y);
$MarkerY->setLineColor('red');
$MarkerY->setValue(14.4);
// create the 1st plot as smoothed area chart using the 1st dataset
$Plot1 =& $Plotarea->add(
Image_Graph::factory('bar',
array(
$Dataset = array(
Image_Graph::factory('random', array(8, 1, 10, false)),
Image_Graph::factory('random', array(8, 1, 10, false)),
Image_Graph::factory('random', array(8, 1, 10, false))
),
'stacked'
)
)
);
$Dataset[0]->setName('Dataset one');
$Dataset[1]->setName('Numero duo');
$Dataset[2]->setName('En-to-tre');
$FillArray =& Image_Graph::factory('Image_Graph_Fill_Array');
$FillArray->addColor('blue@0.1', 0);
$FillArray->addColor('red@0.1', 1);
$FillArray->addColor('yellow@0.1', 2);
$Plot1->setFillStyle($FillArray);
// Show arrow heads on the axis
$AxisX =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_X);
$AxisY =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_Y);
$AxisY->addMark(5);
$AxisY->addMark(7);
$AxisY->setFontSize(7);
$AxisY->addMark(10.8, 17.5);
$AxisY->setFillColor('red@0.7');
$AxisY->setLabelInterval(array(1, 5, 9, 12, 13, 14, 19, 21));
$AxisY->setTickOptions(-3, 2);
$AxisY->setLabelInterval('auto', 2);
$AxisY->setTickOptions(-1, 1, 2);
$AxisY->setLabelOptions(
array(
'showtext' => true,
'font' => array(
'size' => 3,
'color' => 'red'
)
), 2
);
$AxisY->setLabelOption('showoffset', true, 1);
$AxisX->showArrow();
$Legend =& $Plotarea->addNew('legend');
$Legend->setFillColor('white@0.7');
$Legend->setFontSize(8);
$Legend->showShadow();
$Plot1->setLineColor('black@0.1');
// output the Graph
$Graph->done();
?>