<?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 300 pixels, with a grey (eeeeee) background,
# a black border, and 1 pixel 3D border effect
$c = new XYChart(600, 300, 0xeeeeee, 0x000000, 1);

# Add a title box to the chart using 15 pts Arial Bold Italic font, with blue
# (aaaaff) background
$textBoxObj = $c->addTitle("Multiple Axes Demonstration", "arialbi.ttf", 15);
$textBoxObj->setBackground(0xaaaaff);

# Set the plotarea at (100, 70) and of size 400 x 180 pixels, with white background.
# Turn on both horizontal and vertical grid lines with light grey color (cccccc)
$plotAreaObj = $c->setPlotArea(100, 70, 400, 180, 0xffffff);
$plotAreaObj->setGridColor(0xcccccc, 0xcccccc);

# Add a legend box at (300, 70) (top center of the chart) with horizontal layout. Use
# 8 pts Arial Bold font. Set the background and border color to Transparent.
$legendBox = $c->addLegend(300, 70, 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));
?>