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khosb/includes/pear/Image/docs/examples/logo_graph.php

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<?php
/**
* Usage example for Image_Graph.
*
* Main purpose:
* Graph used in logo
*
* Other:
* None specific
*
* $Id: logo_graph.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';
// create a new GD canvas
$Canvas =& Image_Canvas::factory('png',
array(
'width' => 600,
'height' => 400
)
);
// create the graph
$Graph =& Image_Graph::factory('graph', $Canvas);
$Font =& $Graph->addNew('font', 'Verdana');
$Font->setSize(8);
$Graph->setFont($Font);
$Graph->add(
Image_Graph::vertical(
Image_Graph::factory('title', array('Weather Conditions', 12)),
Image_Graph::vertical(
$Plotarea_Weather = Image_Graph::factory('plotarea'),
$Legend_Weather = Image_Graph::factory('legend'),
85
),
7)
);
$Legend_Weather->setPlotarea($Plotarea_Weather);
$Legend_Weather->setFontSize(7);
/* $GridY_Weather =& $Plotarea_Weather->addNew(
'line_grid',
null,
IMAGE_GRAPH_AXIS_Y
);
$GridY_Weather->setLineColor('gray@0.1');
$Marker_AverageSpan =&
$Plotarea_Weather->addNew(
'Image_Graph_Axis_Marker_Area',
IMAGE_GRAPH_AXIS_Y
);
$Marker_AverageSpan->setFillColor('green@0.2');
$Marker_AverageSpan->setLowerBound(3.8);
$Marker_AverageSpan->setUpperBound(11.4);
$Marker_Average =&
$Plotarea_Weather->addNew(
'Image_Graph_Axis_Marker_Line',
IMAGE_GRAPH_AXIS_Y
);
$Marker_Average->setLineColor('blue@0.4');
$Marker_Average->setValue(7.7);*/
$Dataset_Rainfall =& Image_Graph::factory('dataset');
$Dataset_Rainfall->addPoint('Jan', 60);
$Dataset_Rainfall->addPoint('Feb', 41);
$Dataset_Rainfall->addPoint('Mar', 48);
$Dataset_Rainfall->addPoint('Apr', 42);
$Dataset_Rainfall->addPoint('May', 50);
$Dataset_Rainfall->addPoint('Jun', 55);
$Dataset_Rainfall->addPoint('Jul', 67);
$Dataset_Rainfall->addPoint('Aug', 65);
$Dataset_Rainfall->addPoint('Sep', 72);
$Dataset_Rainfall->addPoint('Oct', 77);
$Dataset_Rainfall->addPoint('Nov', 80);
$Dataset_Rainfall->addPoint('Dec', 68);
$Plot_Rainfall =&
$Plotarea_Weather->addNew(
'bar',
array(&$Dataset_Rainfall),
IMAGE_GRAPH_AXIS_Y_SECONDARY
);
$Plot_Rainfall->setLineColor('gray');
$Plot_Rainfall->setFillStyle(Image_Graph::factory('gradient', array(IMAGE_GRAPH_GRAD_VERTICAL, 'white', '#7AB025')));
$Plot_Rainfall->setTitle('Average rainfall');
$Dataset_TempAvg =& Image_Graph::factory('dataset');
$Dataset_TempAvg->addPoint('Jan', 0.2);
$Dataset_TempAvg->addPoint('Feb', 0.1);
$Dataset_TempAvg->addPoint('Mar', 2.3);
$Dataset_TempAvg->addPoint('Apr', 5.8);
$Dataset_TempAvg->addPoint('May', 10.8);
$Dataset_TempAvg->addPoint('Jun', 14.1);
$Dataset_TempAvg->addPoint('Jul', 16.2);
$Dataset_TempAvg->addPoint('Aug', 15.9);
$Dataset_TempAvg->addPoint('Sep', 12.1);
$Dataset_TempAvg->addPoint('Oct', 8.7);
$Dataset_TempAvg->addPoint('Nov', 4.4);
$Dataset_TempAvg->addPoint('Dec', 1.8);
$Plot_TempAvg =&
$Plotarea_Weather->addNew(
'Image_Graph_Plot_Smoothed_Line',
array(&$Dataset_TempAvg)
);
$Plot_TempAvg->setLineColor('#7AB025');
$Plot_TempAvg->setTitle('Average temperature');
$Dataset_TempMin =& Image_Graph::factory('dataset');
$Dataset_TempMin->addPoint('Jan', -2.7);
$Dataset_TempMin->addPoint('Feb', -2.8);
$Dataset_TempMin->addPoint('Mar', -0.9);
$Dataset_TempMin->addPoint('Apr', 1.2);
$Dataset_TempMin->addPoint('May', 5.5);
$Dataset_TempMin->addPoint('Jun', 9.2);
$Dataset_TempMin->addPoint('Jul', 11.3);
$Dataset_TempMin->addPoint('Aug', 11.1);
$Dataset_TempMin->addPoint('Sep', 7.8);
$Dataset_TempMin->addPoint('Oct', 5.0);
$Dataset_TempMin->addPoint('Nov', 1.5);
$Dataset_TempMin->addPoint('Dec', -0.9);
$Plot_TempMin =&
$Plotarea_Weather->addNew(
'Image_Graph_Plot_Smoothed_Line',
array(&$Dataset_TempMin)
);
$Plot_TempMin->setLineColor('gray');
$Plot_TempMin->setTitle('Minimum temperature');
$Dataset_TempMax =& Image_Graph::factory('dataset');
$Dataset_TempMax->addPoint('Jan', 2.4);
$Dataset_TempMax->addPoint('Feb', 2.5);
$Dataset_TempMax->addPoint('Mar', 5.4);
$Dataset_TempMax->addPoint('Apr', 10.5);
$Dataset_TempMax->addPoint('May', 15.8);
$Dataset_TempMax->addPoint('Jun', 18.9);
$Dataset_TempMax->addPoint('Jul', 21.2);
$Dataset_TempMax->addPoint('Aug', 20.8);
$Dataset_TempMax->addPoint('Sep', 16.3);
$Dataset_TempMax->addPoint('Oct', 11.8);
$Dataset_TempMax->addPoint('Nov', 6.9);
$Dataset_TempMax->addPoint('Dec', 4.1);
$Plot_TempMax =&
$Plotarea_Weather->addNew(
'Image_Graph_Plot_Smoothed_Line',
array(&$Dataset_TempMax)
);
$Plot_TempMax->setLineColor('black');
$Plot_TempMax->setTitle('Maximum temperature');
$DataPreprocessor_MM =&
Image_Graph::factory('Image_Graph_DataPreprocessor_Formatted', '%d mm');
$DataPreprocessor_DegC =&
Image_Graph::factory('Image_Graph_DataPreprocessor_Formatted', '%d C');
$Marker_Rainfall =&
$Plot_Rainfall->addNew('Image_Graph_Marker_Value', IMAGE_GRAPH_VALUE_Y);
$Marker_Rainfall->setDataPreprocessor($DataPreprocessor_MM);
$Marker_Rainfall->setFontSize(7);
$PointingMarker_Rainfall =&
$Plot_Rainfall->addNew(
'Image_Graph_Marker_Pointing_Angular',
array(20, &$Marker_Rainfall)
);
$Plot_Rainfall->setMarker($PointingMarker_Rainfall);
$AxisY_Weather =& $Plotarea_Weather->getAxis(IMAGE_GRAPH_AXIS_Y);
$AxisY_Weather->showLabel(IMAGE_GRAPH_LABEL_ZERO);
$AxisY_Weather->setDataPreprocessor($DataPreprocessor_DegC);
$AxisY_Weather->setTitle('Temperature', array('angle' => 90, 'size' => 10));
$AxisY_Weather->forceMinimum(-4);
$AxisYsecondary_Weather =&
$Plotarea_Weather->getAxis(IMAGE_GRAPH_AXIS_Y_SECONDARY);
$AxisYsecondary_Weather->setDataPreprocessor($DataPreprocessor_MM);
$AxisYsecondary_Weather->setTitle('Rainfall', array('angle' => 270, 'size' => 10));
$AxisX_Weather =&
$Plotarea_Weather->getAxis(IMAGE_GRAPH_AXIS_X);
$AxisX_Weather->setAxisIntersection('min');
//$Graph->setBackgroundColor('#F7F9F9');
// output the graph using the GD canvas
$Graph->done();
?>