<?php
require_once("../lib/phpchartdir.php");
# Data for the chart
$data0 = array(1700, 3900, 2900, 3800, 4100, 4600, 2900, 4100, 4400, 5700, 5900,
5200, 3700, 3400, 5100, 5600, 5600, 6000, 7000, 7600, 6300, 6700, 7500, 6400,
8800);
$data1 = array(500, 550, 670, 990, 820, 730, 800, 720, 730, 790, 860, 800, 840, 680,
740, 890, 680, 790, 730, 770, 840, 820, 800, 840, 670);
$data2 = array(46, 68, 35, 33, 38, 20, 12, 18, 15, 23, 30, 24, 28, 15, 21, 26, 46,
42, 38, 25, 23, 32, 24, 20, 25);
$data3 = array(0.84, 0.82, 0.82, 0.38, 0.25, 0.52, 0.54, 0.52, 0.38, 0.51, 0.46,
0.29, 0.5, 0.55, 0.47, 0.34, 0.52, 0.33, 0.21, 0.3, 0.25, 0.15, 0.18, 0.22, 0.14)
;
# Labels for the chart
$labels = array("0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12",
"13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24");
# Create a XYChart object of size 600 x 360 pixels. Use a vertical gradient color
# from sky blue (aaccff) to white (ffffff) as background. Set border to grey
# (888888). Use rounded corners. Enable soft drop shadow.
$c = new XYChart(600, 360);
$c->setBackground($c->linearGradientColor(0, 0, 0, $c->getHeight(), 0xaaccff,
0xffffff), 0x888888);
$c->setRoundedFrame();
$c->setDropShadow();
# Add a title box to the chart using 15 pts Arial Bold Italic font. Set top margin to
# 16 pixels.
$title = $c->addTitle("Multiple Axes Demonstration", "arialbi.ttf", 15);
$title->setMargin2(0, 0, 16, 0);
# Set the plotarea at (100, 80) and of size 400 x 230 pixels, with white (ffffff)
# background. Use grey #(aaaaa) dotted lines for both horizontal and vertical grid
# lines.
$c->setPlotArea(100, 80, 400, 230, 0xffffff, -1, -1, $c->dashLineColor(0xaaaaaa,
DotLine), -1);
# Add a legend box with the bottom center anchored at (300, 80) (top center of the
# plot area). Use horizontal layout, and 8 points Arial Bold font. Set background and
# border to transparent.
$legendBox = $c->addLegend(300, 80, false, "arialbd.ttf", 8);
$legendBox->setAlignment(BottomCenter);
$legendBox->setBackground(Transparent, Transparent);
# Set the labels on the x axis.
$c->xAxis->setLabels($labels);
# Display 1 out of 3 labels on the x-axis.
$c->xAxis->setLabelStep(3);
# Add a title to the x-axis
$c->xAxis->setTitle("Hour of Day");
# Add a title on top of the primary (left) y axis.
$textBoxObj = $c->yAxis->setTitle("Power\n(Watt)");
$textBoxObj->setAlignment(TopLeft2);
# Set the axis, label and title colors for the primary y axis to red (c00000) to
# match the first data set
$c->yAxis->setColors(0xcc0000, 0xcc0000, 0xcc0000);
# Add a title on top of the secondary (right) y axis.
$textBoxObj = $c->yAxis2->setTitle("Load\n(Mbps)");
$textBoxObj->setAlignment(TopRight2);
# Set the axis, label and title colors for the secondary y axis to green (00800000)
# to match the second data set
$c->yAxis2->setColors(0x008000, 0x008000, 0x008000);
# Add the third y-axis at 50 pixels to the left of the plot area
$leftAxis = $c->addAxis(Left, 50);
# Add a title on top of the third y axis.
$textBoxObj = $leftAxis->setTitle("Temp\n(C)");
$textBoxObj->setAlignment(TopLeft2);
# Set the axis, label and title colors for the third y axis to blue (0000cc) to match
# the third data set
$leftAxis->setColors(0x0000cc, 0x0000cc, 0x0000cc);
# Add the fouth y-axis at 50 pixels to the right of the plot area
$rightAxis = $c->addAxis(Right, 50);
# Add a title on top of the fourth y axis.
$textBoxObj = $rightAxis->setTitle("Error\n(%)");
$textBoxObj->setAlignment(TopRight2);
# Set the axis, label and title colors for the fourth y axis to purple (880088) to
# match the fourth data set
$rightAxis->setColors(0x880088, 0x880088, 0x880088);
# Add a line layer to for the first data set using red (c00000) color, with a line
# width of 2 pixels
$layer0 = $c->addLineLayer($data0, 0xcc0000, "Power");
$layer0->setLineWidth(2);
# Add a line layer to for the second data set using green (00c0000) color, with a
# line width of 2 pixels. Bind the layer to the secondary y-axis.
$layer1 = $c->addLineLayer($data1, 0x008000, "Load");
$layer1->setLineWidth(2);
$layer1->setUseYAxis2();
# Add a line layer to for the third data set using blue (0000cc) color, with a line
# width of 2 pixels. Bind the layer to the third y-axis.
$layer2 = $c->addLineLayer($data2, 0x0000cc, "Temperature");
$layer2->setLineWidth(2);
$layer2->setUseYAxis($leftAxis);
# Add a line layer to for the fourth data set using purple (880088) color, with a
# line width of 2 pixels. Bind the layer to the fourth y-axis.
$layer3 = $c->addLineLayer($data3, 0x880088, "Error Rate");
$layer3->setLineWidth(2);
$layer3->setUseYAxis($rightAxis);
# Output the chart
header("Content-type: image/png");
print($c->makeChart2(PNG));
?> |