107 lines
3.7 KiB
PHP
107 lines
3.7 KiB
PHP
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<?php
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/**
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* Usage example for Image_Graph.
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*
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* Main purpose:
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* Demonstrate pie & donut plots
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*
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* Other:
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* Radial gradient fillings
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*
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* $Id: gradient_pie.php,v 1.3 2005/08/03 21:21:53 nosey Exp $
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*
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* @package Image_Graph
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* @author Jesper Veggerby <pear.nosey@veggerby.dk>
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*/
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require_once 'Image/Graph.php';
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// create the graph
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$Graph = & Image_Graph::factory('graph', array(400, 300));
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// add a TrueType font
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$Font =& $Graph->addNew('font', 'Verdana');
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// set the font size to 11 pixels
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$Font->setSize(8);
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$Graph->setFont($Font);
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// create the plotarea
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$Graph->add(
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Image_Graph::vertical(
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Image_Graph::factory('title', array('Gradient Filled Donut/Pie Chart', 12)),
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Image_Graph::horizontal(
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$Plotarea = Image_Graph::factory('plotarea'),
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$Legend = Image_Graph::factory('legend'),
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60
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),
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5
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)
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);
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$Legend->setPlotarea($Plotarea);
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$Legend->setAlignment(IMAGE_GRAPH_ALIGN_VERTICAL);
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// create the dataset
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$Dataset = & Image_Graph::factory('dataset');
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$Dataset->addPoint('Beef', rand(1, 10), 'beef');
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$Dataset->addPoint('Pork', rand(1, 10), 'pork');
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$Dataset->addPoint('Poultry', rand(1, 10), 'poultry');
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$Dataset->addPoint('Camels', rand(1, 10), 'camels');
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$Dataset->addPoint('Other', rand(1, 10), 'other');
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// create the dataset
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$Dataset2 = & Image_Graph::factory('dataset');
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$Dataset2->addPoint('Beer', rand(1, 10), 'beer');
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$Dataset2->addPoint('Wine', rand(1, 10), 'wine');
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$Dataset2->addPoint('Alcohol', rand(1, 10), 'alcohol');
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$Dataset2->addPoint('Coffee', rand(1, 10), 'coffee');
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$Dataset2->addPoint('Milk', rand(1, 10), 'milk');
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$Dataset2->addPoint('Water', rand(1, 10), 'water');
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// create the plot as pie chart using the dataset
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$Plot =& $Plotarea->addNew('Image_Graph_Plot_Pie', array(array(&$Dataset, &$Dataset2)));
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$Plotarea->hideAxis();
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// create a Y data value marker
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$Marker =& $Plot->addNew('Image_Graph_Marker_Value', IMAGE_GRAPH_PCT_Y_TOTAL);
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// fill it with white
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$Marker->setFillColor('white');
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// and use black border
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$Marker->setBorderColor('black');
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// and format it using a data preprocessor
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$Marker->setDataPreprocessor(Image_Graph::factory('Image_Graph_DataPreprocessor_Formatted', '%0.1f%%'));
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$Marker->setFontSize(7);
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// create a pin-point marker type
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$PointingMarker =& $Plot->addNew('Image_Graph_Marker_Pointing_Angular', array(20, &$Marker));
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// and use the marker on the plot
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$Plot->setMarker($PointingMarker);
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// format value marker labels as percentage values
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$Plot->Radius = 2;
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// create a fillstyle for the plot
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$FillArray = & Image_Graph::factory('Image_Graph_Fill_Array');
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$Plot->setFillStyle($FillArray);
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$FillArray->addNew('gradient', array(IMAGE_GRAPH_GRAD_RADIAL, 'white', 'green'), 'beef');
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$FillArray->addNew('gradient', array(IMAGE_GRAPH_GRAD_RADIAL, 'white', 'blue'), 'pork');
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$FillArray->addNew('gradient', array(IMAGE_GRAPH_GRAD_RADIAL, 'white', 'yellow'), 'poultry');
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$FillArray->addNew('gradient', array(IMAGE_GRAPH_GRAD_RADIAL, 'white', 'red'), 'camels');
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$FillArray->addNew('gradient', array(IMAGE_GRAPH_GRAD_RADIAL, 'white', 'orange'), 'other');
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$FillArray->addNew('gradient', array(IMAGE_GRAPH_GRAD_RADIAL, 'dimgray', 'white'), 'beer');
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$FillArray->addNew('gradient', array(IMAGE_GRAPH_GRAD_RADIAL, 'sandybrown', 'white'), 'wine');
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$FillArray->addNew('gradient', array(IMAGE_GRAPH_GRAD_RADIAL, 'sienna', 'white'), 'alcohol');
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$FillArray->addNew('gradient', array(IMAGE_GRAPH_GRAD_RADIAL, 'powderblue', 'white'), 'coffee');
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$FillArray->addNew('gradient', array(IMAGE_GRAPH_GRAD_RADIAL, 'purple', 'white'), 'milk');
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$FillArray->addNew('gradient', array(IMAGE_GRAPH_GRAD_RADIAL, 'thistle', 'white'), 'water');
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$Plot->explode(20, 'Beer');
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$Plot->setLineColor('lightgrey');
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// output the Graph
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$Graph->done();
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?>
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