80 lines
2.6 KiB
PHP
80 lines
2.6 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 gradient fillings
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*
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* Other:
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* None specific
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*
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* $Id: gradient_fill_area.php,v 1.4 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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$Graph->add(
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Image_Graph::vertical(
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Image_Graph::factory('title', array('Gradient filled smoothed area chart', 12)),
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Image_Graph::vertical(
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$Plotarea = Image_Graph::factory('plotarea'),
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$Legend = Image_Graph::factory('legend'),
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85
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),
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8
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)
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);
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$Legend->setPlotarea($Plotarea);
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// create the 1st dataset
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$Dataset =& Image_Graph::factory('random', array(10, 40, 100, true));
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// create the 1st plot as smoothed area chart using the 1st dataset
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$Plot =& $Plotarea->addNew('smooth_area', array(&$Dataset));
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// create a vertical gradient fill using red and yellow, ie bottom of graph
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// will be yellow and the 'higher' the value the more red it will be, ie a 'fire' effect
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$Plot->setFillStyle(Image_Graph::factory('gradient', array(IMAGE_GRAPH_GRAD_VERTICAL, 'green', 'lightyellow')));
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$Plot->setTitle('Inside scope');
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// create the 2nd dataset
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$Dataset2 =& Image_Graph::factory('random', array(10, 50, 70, true));
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// create the 2nd plot as smoothed area chart using the 2nd dataset
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$Plot2 =& $Plotarea->addNew('smooth_area', array(&$Dataset2));
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// create a vertical gradient fill using red and yellow, ie bottom of graph
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// will be yellow and the 'higher' the value the more red it will be, ie a 'fire' effect
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$Plot2->setFillColor('white@0.4');
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$Plot2->setTitle('Outside scope');
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$Graph->setBackground(Image_Graph::factory('gradient', array(IMAGE_GRAPH_GRAD_VERTICAL_MIRRORED, 'steelblue', 'lightcyan')));
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$Graph->setBorderColor('black');
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// create a Y data value marker
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$Marker =& $Plot->addNew('Image_Graph_Marker_Value', IMAGE_GRAPH_PCT_Y_MAX);
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// create a pin-point marker type
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$PointingMarker =& $Plot->addNew('Image_Graph_Marker_Pointing_Angular', array(20, &$Marker));
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// and use the marker on the 1st plot
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$Plot->setMarker($PointingMarker);
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// format value marker labels as percentage values
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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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$AxisY =& $Plotarea->getAxis('y');
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$AxisY->forceMinimum(30);
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// output the Graph
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$Graph->done();
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?>
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