85 lines
2.3 KiB
PHP
85 lines
2.3 KiB
PHP
<?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 secondary y-axis usage
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*
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* Other:
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* None specific
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*
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* $Id: secondary_axis.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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require_once 'Image/Canvas.php';
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$Canvas =& Image_Canvas::factory('png', array('width' => 400, 'height' => 300, 'antialias' => 'native'));
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// create the graph
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$Graph =& Image_Graph::factory('graph', $Canvas);
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// add a TrueType font
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$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 layout
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$Graph->add(
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Image_Graph::vertical(
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Image_Graph::factory('title', array('Primary & Secondary Axis', 11)),
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Image_Graph::vertical(
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$Plotarea = Image_Graph::factory('plotarea'),
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$Legend = Image_Graph::factory('legend'),
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90
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),
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5
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)
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);
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// make the legend use the plotarea (or implicitly it's plots)
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$Legend->setPlotarea($Plotarea);
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// create a grid and assign it to the secondary Y axis
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$GridY2 =& $Plotarea->addNew('bar_grid', IMAGE_GRAPH_AXIS_Y_SECONDARY);
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$GridY2->setFillStyle(
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Image_Graph::factory(
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'gradient',
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array(IMAGE_GRAPH_GRAD_VERTICAL, 'white', 'lightgrey')
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)
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);
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// create a line plot using a random dataset
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$Dataset1 =& Image_Graph::factory('random', array(8, 10, 100, true));
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$Plot1 =& $Plotarea->addNew('line', array(&$Dataset1));
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$Plot1->setLineColor('red');
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// create an area plot using a random dataset
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$Dataset2 =& Image_Graph::factory('random', array(8, 1, 10, true));
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$Plot2 =& $Plotarea->addNew(
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'Image_Graph_Plot_Area',
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$Dataset2,
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IMAGE_GRAPH_AXIS_Y_SECONDARY
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);
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$Plot2->setLineColor('gray');
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$Plot2->setFillColor('blue@0.2');
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// set the titles for the plots
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$Plot1->setTitle('Primary Axis');
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$Plot2->setTitle('Secondary Axis');
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$AxisX =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_X);
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$AxisX->setTitle('Oranges');
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$AxisY =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_Y);
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$AxisY->setTitle('Apples', 'vertical');
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$AxisYsecondary =& $Plotarea->getAxis(IMAGE_GRAPH_AXIS_Y_SECONDARY);
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$AxisYsecondary->setTitle('Pears', 'vertical2');
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// output the Graph
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$Graph->done();
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?>
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