85 lines
2.8 KiB
PHP
85 lines
2.8 KiB
PHP
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<?php
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require_once("../lib/phpchartdir.php");
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# The data for the chart
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$data0 = array(42, 49, 33, 38, 51, 46, 29, 41, 44, 57, 59, 52, 37, 34, 51, 56, 56,
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60, 70, 76, 63, 67, 75, 64, 51);
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$data1 = array(50, 55, 47, 34, 42, 49, 63, 62, 73, 59, 56, 50, 64, 60, 67, 67, 58,
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59, 73, 77, 84, 82, 80, 84, 98);
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# The labels for the bottom x axis. Note the "-" means a minor tick.
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$labels0 = array("0\nJun 4", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11",
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"12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23",
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"0\nJun 5");
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# The labels for the top x axis. Note that "-" means a minor tick.
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$labels1 = array("Jun 3\n12", "13", "14", "15", "16", "17", "18", "19", "20", "21",
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"22", "23", "Jun 4\n0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11",
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"12");
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# Create a XYChart object of size 310 x 310 pixels
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$c = new XYChart(310, 310);
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# Set the plotarea at (50, 50) and of size 200 x 200 pixels
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$c->setPlotArea(50, 50, 200, 200);
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# Add a title to the primary (left) y axis
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$c->yAxis->setTitle("US Dollars");
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# Set the tick length to -4 pixels (-ve means ticks inside the plot area)
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$c->yAxis->setTickLength(-4);
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# Add a title to the secondary (right) y axis
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$c->yAxis2->setTitle("HK Dollars (1 USD = 7.8 HKD)");
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# Set the tick length to -4 pixels (-ve means ticks inside the plot area)
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$c->yAxis2->setTickLength(-4);
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# Synchronize the y-axis such that y2 = 7.8 x y1
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$c->syncYAxis(7.8);
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# Add a title to the bottom x axis
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$c->xAxis->setTitle("Hong Kong Time");
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# Set the labels on the x axis.
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$c->xAxis->setLabels($labels0);
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# Display 1 out of 3 labels on the x-axis. Show minor ticks for remaining labels.
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$c->xAxis->setLabelStep(3, 1);
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# Set the major tick length to -4 pixels and minor tick length to -2 pixels (-ve
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# means ticks inside the plot area)
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$c->xAxis->setTickLength2(-4, -2);
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# Set the distance between the axis labels and the axis to 6 pixels
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$c->xAxis->setLabelGap(6);
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# Add a title to the top x-axis
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$c->xAxis2->setTitle("New York Time");
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# Set the labels on the x axis.
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$c->xAxis2->setLabels($labels1);
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# Display 1 out of 3 labels on the x-axis. Show minor ticks for remaining labels.
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$c->xAxis2->setLabelStep(3, 1);
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# Set the major tick length to -4 pixels and minor tick length to -2 pixels (-ve
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# means ticks inside the plot area)
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$c->xAxis2->setTickLength2(-4, -2);
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# Set the distance between the axis labels and the axis to 6 pixels
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$c->xAxis2->setLabelGap(6);
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# Add a line layer to the chart with a line width of 2 pixels
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$lineLayerObj = $c->addLineLayer($data0, -1, "Red Transactions");
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$lineLayerObj->setLineWidth(2);
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# Add an area layer to the chart with no area boundary line
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$areaLayerObj = $c->addAreaLayer($data1, -1, "Green Transactions");
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$areaLayerObj->setLineWidth(0);
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# output the chart
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header("Content-type: image/png");
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print($c->makeChart2(PNG));
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?>
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