#!/usr/bin/perl
# In the sample code, the ChartDirector for Perl module is assumed to be in "../lib"
use File::Basename;
use lib (dirname($0)."/../lib") =~ /(.*)/;
use perlchartdir;
# The data for the chart
my $data = [50, 55, 47, 34, 42, 49, 63, 62, 73, 59, 56, 50, 64, 60, 67, 67, 58, 59, 73, 77, 84, 82,
80, 84, 89];
# The labels for the chart. Note the "-" means a minor tick.
my $labels = ["0\nJun 4", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14",
"15", "16", "17", "18", "19", "20", "21", "22", "23", "0\nJun 5"];
# Create a XYChart object of size 400 x 270 pixels
my $c = new XYChart(400, 270);
# Set the plotarea at (80, 25) and of size 300 x 200 pixels. Use alternate color background
# (0xeeeeee) and (0xffffff). Set border and grid colors to grey (0xc0c0c0).
$c->setPlotArea(50, 25, 300, 200, 0xeeeeee, 0xffffff, 0xc0c0c0, 0xc0c0c0, 0xc0c0c0);
# Add a title to the chart using 14pt Times Bold Italic font
$c->addTitle("Server Monitor", "timesbi.ttf", 14);
# Add a title to the y axis
$c->yAxis()->setTitle("Server Load (MBytes)");
# Set the y axis width to 2 pixels
$c->yAxis()->setWidth(2);
# Set the labels on the x axis.
$c->xAxis()->setLabels($labels);
# Display 1 out of 3 labels on the x-axis. Show minor ticks for remaining labels.
$c->xAxis()->setLabelStep(3, 1);
# Set the x axis width to 2 pixels
$c->xAxis()->setWidth(2);
# Add a horizontal red (0x800080) mark line at y = 80
my $yMark = $c->yAxis()->addMark(80, 0xff0000, "Critical Threshold Set Point");
# Set the mark line width to 2 pixels
$yMark->setLineWidth(2);
# Put the mark label at the top center of the mark line
$yMark->setAlignment($perlchartdir::TopCenter);
# Add an orange (0xffcc66) zone from x = 18 to x = 20
$c->xAxis()->addZone(18, 20, 0xffcc66);
# Add a vertical brown (0x995500) mark line at x = 18
my $xMark1 = $c->xAxis()->addMark(18, 0x995500, "Backup Start");
# Set the mark line width to 2 pixels
$xMark1->setLineWidth(2);
# Put the mark label at the left of the mark line
$xMark1->setAlignment($perlchartdir::Left);
# Rotate the mark label by 90 degrees so it draws vertically
$xMark1->setFontAngle(90);
# Add a vertical brown (0x995500) mark line at x = 20
my $xMark2 = $c->xAxis()->addMark(20, 0x995500, "Backup End");
# Set the mark line width to 2 pixels
$xMark2->setLineWidth(2);
# Put the mark label at the right of the mark line
$xMark2->setAlignment($perlchartdir::Right);
# Rotate the mark label by 90 degrees so it draws vertically
$xMark2->setFontAngle(90);
# Add a green (0x00cc00) line layer with line width of 2 pixels
$c->addLineLayer($data, 0x00cc00)->setLineWidth(2);
# Output the chart
$c->makeChart("markzone2.png") |
