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Initial Commit of AgileBill Open Source

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2008-11-26 14:50:40 -08:00
parent ae5a0fc25e
commit 02306ccc47
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104
includes/pear/Image/docs/examples/log_axis.php Normal file
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<?php
/**
* Usage example for Image_Graph.
*
* Main purpose:
* Demonstrate logarithmic axis
*
* Other:
* Matrix layout, Axis titles
*
* $Id: log_axis.php,v 1.4 2005/08/03 21:21:53 nosey Exp $
*
* @package Image_Graph
* @author Jesper Veggerby <pear.nosey@veggerby.dk>
*/
require_once 'Image/Graph.php';
require_once 'Image/Canvas.php';
$Canvas =& Image_Canvas::factory('png', array('width' => 600, 'height' => 400, 'antialias' => true));
// create the graph
$Graph =& Image_Graph::factory('graph', $Canvas);
// add a TrueType font
$Font =& $Graph->addNew('font', 'Verdana');
// set the font size to 15 pixels
$Font->setSize(8);
// add a title using the created font
for ($i = 0; $i < 2; $i++) {
for ($j = 0; $j < 2; $j++) {
$Axis['X'][($i*2+$j)] = 'axis' . ($i % 2 == 0 ? '' : '_log');
$Axis['Y'][($i*2+$j)] = 'axis' . ($j % 2 == 0 ? '' : '_log');
}
}
for ($i = 0; $i < 4; $i++) {
$Plotarea[$i] =& Image_Graph::factory('plotarea', array($Axis['X'][$i], $Axis['Y'][$i]));
}
$Graph->setFont($Font);
// create the plotarea
$Graph->add(
Image_Graph::vertical(
Image_Graph::factory('title', array('Logarithmic Axis', 11)),
Image_Graph::vertical(
Image_Graph::horizontal(
Image_Graph::vertical(
Image_Graph::factory('title', array('Normal Y-Axis', array('size' => 10, 'angle' => 90))),
Image_Graph::factory('title', array('Logarithmic Y-Axis', array('size' => 10, 'angle' => 90)))
),
Image_Graph::horizontal(
Image_Graph::vertical(
Image_Graph::factory('title', array('Normal X-Axis', 10)),
Image_Graph::vertical(
$Plotarea[0],
$Plotarea[1]
),
7
),
Image_Graph::vertical(
Image_Graph::factory('Image_Graph_Title', array('Logarithmic X-Axis', 10)),
Image_Graph::vertical(
$Plotarea[2],
$Plotarea[3]
),
7
)
),
4
),
$Legend = Image_Graph::factory('Image_Graph_Legend'),
92
),
5
)
);
$Legend->setPlotarea($Plotarea[0]);
$Dataset = Image_Graph::factory('dataset');
$i = 1;
while ($i <= 10) {
$Dataset->addPoint($i, $i*$i);
$i++;
}
for ($i = 0; $i < 4; $i++) {
$Plotarea[$i]->addNew('line_grid', false, IMAGE_GRAPH_AXIS_X);
$Plotarea[$i]->addNew('line_grid', false, IMAGE_GRAPH_AXIS_Y);
if ($i % 2 == 1) {
$Axis =& $Plotarea[$i]->getAxis(IMAGE_GRAPH_AXIS_Y);
$Axis->setLabelInterval(array(1, 2, 3, 5, 10, 20, 30, 50, 100));
}
$Plot =& $Plotarea[$i]->addNew('line', array(&$Dataset));
$Plot->setLineColor('red');
$Plot->setTitle("x^2");
}
$Graph->done();
?>