47 lines
1.7 KiB
PHP
47 lines
1.7 KiB
PHP
<?php
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require_once("../lib/phpchartdir.php");
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# The (x, y) coordinates of the starting point of the vectors
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$dataX = array(20, 40, 60, 80, 100, 20, 40, 60, 80, 100, 20, 40, 58, 62, 80, 100, 20,
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40, 60, 80, 100, 20, 40, 60, 80, 100);
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$dataY = array(20, 20, 20, 20, 20, 40, 40, 40, 40, 40, 60, 60, 60, 60, 60, 60, 80,
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80, 80, 80, 80, 100, 100, 100, 100, 100);
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# The lengths (radii) and directions (angles) of the vectors
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$dataR = array(6, 6, 9, 6, 6, 6, 9, 12, 9, 6, 9, 12, 12, 12, 12, 9, 6, 9, 12, 9, 6,
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6, 6, 9, 6, 6);
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$dataA = array(-45, -30, 0, 30, 45, -60, -45, 0, 45, 60, -90, -90, -90, 90, 90, 90,
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-120, -135, 180, 135, 120, -135, -150, 180, 150, 135);
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# Create a XYChart object of size 450 x 390 pixels
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$c = new XYChart(450, 390);
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# Set the plotarea at (55, 40) and of size 350 x 300 pixels, with a light grey border
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# (0xc0c0c0). Turn on both horizontal and vertical grid lines with light grey color
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# (0xc0c0c0)
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$c->setPlotArea(55, 40, 350, 300, -1, -1, 0xc0c0c0, 0xc0c0c0, -1);
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# Add a title to the chart using 18 pts Times Bold Itatic font.
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$c->addTitle("Vector Chart Demonstration", "timesbi.ttf", 18);
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# Add a title to the y axis using 12 pts Arial Bold Italic font
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$c->yAxis->setTitle("Y Axis Title", "arialbi.ttf", 12);
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# Add a title to the x axis using 12 pts Arial Bold Italic font
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$c->xAxis->setTitle("X Axis Title", "arialbi.ttf", 12);
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# Set the axes line width to 3 pixels
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$c->xAxis->setWidth(3);
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$c->yAxis->setWidth(3);
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# Add a vector layer to the chart using blue (0000CC) color, with vector arrow size
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# set to 11 pixels
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$vectorLayerObj = $c->addVectorLayer($dataX, $dataY, $dataR, $dataA, YAxisScale,
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0x0000cc);
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$vectorLayerObj->setArrowHead(11);
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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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