63 lines
1.4 KiB
PHP
63 lines
1.4 KiB
PHP
<?php
|
|
/**
|
|
* Usage example for Image_Graph.
|
|
*
|
|
* Main purpose:
|
|
* Show band chart
|
|
*
|
|
* Other:
|
|
* None specific
|
|
*
|
|
* $Id: plot_band.php,v 1.3 2005/08/03 21:21:53 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('Band Chart Sample', 12)),
|
|
Image_Graph::vertical(
|
|
$Plotarea = Image_Graph::factory('plotarea'),
|
|
$Legend = Image_Graph::factory('legend'),
|
|
90
|
|
),
|
|
5
|
|
)
|
|
);
|
|
|
|
$Legend->setPlotarea($Plotarea);
|
|
|
|
// create the dataset
|
|
$Dataset =& Image_Graph::factory('dataset');
|
|
for ($i = 0; $i < 40; $i++) {
|
|
$v1 = rand(5, 15);
|
|
$v2 = $v1 + rand(10, 20);
|
|
$Dataset->addPoint($i, array('low' => $v1, 'high' => $v2));
|
|
}
|
|
|
|
// create the 1st plot as smoothed area chart using the 1st dataset
|
|
$Plot =& $Plotarea->addNew('Image_Graph_Plot_Band', $Dataset);
|
|
|
|
// set a line color
|
|
$Plot->setLineColor('gray');
|
|
$Plot->setFillColor('blue@0.2');
|
|
|
|
$Axis =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_X);
|
|
$Axis->setLabelInterval(5);
|
|
|
|
// output the Graph
|
|
$Graph->done();
|
|
?>
|