#!/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 = [40, 45, 37, 24, 32, 39, 53, 52, 63, 49, 46, 40, 54, 50, 57, 57, 48, 49, 63, 67, 74, 72,
70, 89, 74];
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, 60) and of size 300 x 200 pixels. Turn off the grid lines by setting
# their colors to Transparent.
$c->setPlotArea(80, 28, 300, 200)->setGridColor($perlchartdir::Transparent);
# Add a title to the y axis
my $textbox = $c->yAxis()->setTitle("Temperature");
# Set the y axis title upright (font angle = 0)
$textbox->setFontAngle(0);
# Put the y axis title on top of the axis
$textbox->setAlignment($perlchartdir::TopLeft2);
# Add green (0x99ff99), yellow (0xffff99) and red (0xff9999) zones to the y axis to represent the
# ranges 0 - 50, 50 - 80, and 80 - max.
$c->yAxis()->addZone(0, 50, 0x99ff99);
$c->yAxis()->addZone(50, 80, 0xffff99);
$c->yAxis()->addZone(80, 9999, 0xff9999);
# Add a purple (0x800080) mark at y = 70 using a line width of 2.
$c->yAxis()->addMark(70, 0x800080, "Alert = 70")->setLineWidth(2);
# Add a green (0x008000) mark at y = 40 using a line width of 2.
$c->yAxis()->addMark(40, 0x008000, "Watch = 40")->setLineWidth(2);
# Add a legend box at (165, 0) (top right of the chart) using 8pt Arial font. and horizontal layout.
my $legend = $c->addLegend(165, 0, 0, "arialbd.ttf", 8);
# Disable the legend box boundary by setting the colors to Transparent
$legend->setBackground($perlchartdir::Transparent, $perlchartdir::Transparent);
# Add 3 custom entries to the legend box to represent the 3 zones
$legend->addKey("Normal", 0x80ff80);
$legend->addKey("Warning", 0xffff80);
$legend->addKey("Critical", 0xff8080);
# 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);
# Add a 3D bar layer with the given data
my $layer = $c->addBarLayer($data, 0xbbbbff);
# Set the bar gap to 0 so that the bars are packed tightly
$layer->setBarGap(0);
# Set the border color of the bars same as the fill color, with 1 pixel 3D border effect.
$layer->setBorderColor($perlchartdir::SameAsMainColor, 1);
# Output the chart
$c->makeChart("markzone.png") |
