61 lines
2.0 KiB
PHP
61 lines
2.0 KiB
PHP
<?php
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require_once("../lib/phpchartdir.php");
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# The data for the bar chart
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$data = array(-6.3, 2.3, 0.7, -3.4, 2.2, -2.9, -0.1, -0.1, 3.3, 6.2, 4.3, 1.6);
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# The labels for the bar chart
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$labels = array("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct",
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"Nov", "Dec");
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# Create a XYChart object of size 500 x 320 pixels
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$c = new XYChart(500, 320);
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# Add a title to the chart using Arial Bold Italic font
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$c->addTitle("Productivity Change - Year 2005", "arialbi.ttf");
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# Set the plotarea at (50, 30) and of size 400 x 250 pixels
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$c->setPlotArea(50, 30, 400, 250);
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# Add a bar layer to the chart using the Overlay data combine method
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$layer = $c->addBarLayer2(Overlay);
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# Select positive data and add it as data set with blue (6666ff) color
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$tmpArrayMath1 = new ArrayMath($data);
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$tmpArrayMath1->selectGEZ(null, NoValue);
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$layer->addDataSet($tmpArrayMath1->result(), 0x6666ff);
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# Select negative data and add it as data set with orange (ff6600) color
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$tmpArrayMath1 = new ArrayMath($data);
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$tmpArrayMath1->selectLTZ(null, NoValue);
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$layer->addDataSet($tmpArrayMath1->result(), 0xff6600);
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# Add labels to the top of the bar using 8 pt Arial Bold font. The font color is
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# configured to be red (0xcc3300) below zero, and blue (0x3333ff) above zero.
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$layer->setAggregateLabelStyle("arialbd.ttf", 8, $layer->yZoneColor(0, 0xcc3300,
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0x3333ff));
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# Set the labels on the x axis and use Arial Bold as the label font
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$labelsObj = $c->xAxis->setLabels($labels);
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$labelsObj->setFontStyle("arialbd.ttf");
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# Draw the y axis on the right of the plot area
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$c->setYAxisOnRight(true);
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# Use Arial Bold as the y axis label font
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$c->yAxis->setLabelStyle("arialbd.ttf");
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# Add a title to the y axis
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$c->yAxis->setTitle("Percentage");
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# Add a light blue (0xccccff) zone for positive part of the plot area
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$c->yAxis->addZone(0, 9999, 0xccccff);
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# Add a pink (0xffffcc) zone for negative part of the plot area
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$c->yAxis->addZone(-9999, 0, 0xffcccc);
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# output the chart
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header("Content-type: image/png");
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print($c->makeChart2(PNG));
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?>
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