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khosb/includes/pear/Image/docs/examples/plot_pie_rotate.php
2008-11-26 14:50:40 -08:00

80 lines
2.4 KiB
PHP

<?php
/**
* Usage example for Image_Graph.
*
* Main purpose:
* Demonstrate radial gradient fillings
*
* Other:
* None specific
*
* $Id: plot_pie_rotate.php,v 1.1 2005/09/30 18:59:17 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 7 pixels
$Font->setSize(7);
$Graph->setFont($Font);
// create the plotarea
$Graph->add(
Image_Graph::vertical(
Image_Graph::factory('title', array('Meat Export', 12)),
Image_Graph::horizontal(
$Plotarea = Image_Graph::factory('plotarea'),
$Legend = Image_Graph::factory('legend'),
70
),
5
)
);
$Legend->setPlotarea($Plotarea);
// create the 1st dataset
$Dataset1 =& Image_Graph::factory('dataset');
$Dataset1->addPoint('Beef', rand(1, 10));
$Dataset1->addPoint('Pork', rand(1, 10));
$Dataset1->addPoint('Poultry', rand(1, 10));
$Dataset1->addPoint('Camels', rand(1, 10));
$Dataset1->addPoint('Other', rand(1, 10));
// create the 1st plot as smoothed area chart using the 1st dataset
$Plot =& $Plotarea->addNew('pie', array(&$Dataset1));
$Plotarea->hideAxis();
// create a Y data value marker
$Marker =& $Plot->addNew('Image_Graph_Marker_Value', IMAGE_GRAPH_PCT_Y_TOTAL);
// create a pin-point marker type
$PointingMarker =& $Plot->addNew('Image_Graph_Marker_Pointing_Angular', array(20, &$Marker));
// and use the marker on the 1st plot
$Plot->setMarker($PointingMarker);
// format value marker labels as percentage values
$Marker->setDataPreprocessor(Image_Graph::factory('Image_Graph_DataPreprocessor_Formatted', '%0.1f%%'));
$Plot->Radius = 2;
$FillArray =& Image_Graph::factory('Image_Graph_Fill_Array');
$Plot->setFillStyle($FillArray);
$FillArray->addNew('gradient', array(IMAGE_GRAPH_GRAD_RADIAL, 'white', 'green'));
$FillArray->addNew('gradient', array(IMAGE_GRAPH_GRAD_RADIAL, 'white', 'blue'));
$FillArray->addNew('gradient', array(IMAGE_GRAPH_GRAD_RADIAL, 'white', 'yellow'));
$FillArray->addNew('gradient', array(IMAGE_GRAPH_GRAD_RADIAL, 'white', 'red'));
$FillArray->addNew('gradient', array(IMAGE_GRAPH_GRAD_RADIAL, 'white', 'orange'));
$Plot->explode(5);
$Plot->setStartingAngle(90);
// output the Graph
$Graph->done();
?>