#!/usr/bin/perl
use perlchartdir;
#The data for the chart
my $data = [30, 28, 40, 55, 75, 68, 54, 60, 50, 62, 75, 65, 75, 89, 60, 55, 53,
35, 50, 66, 56, 48, 52, 65, 62];
#The labels for the chart
my $labels = ["0", "", "", "3", "", "", "6", "", "", "9", "", "", "12", "", "",
"15", "", "", "18", "", "", "21", "", "", "24"];
#Create a XYChart object of size 500 x 300 pixels, with a pale yellow (0xffffc0)
#background, a black border, and 1 pixel 3D border effect
my $c = new XYChart(500, 300, 0xffffc0, 0x0, 1);
#Set the plotarea at (55, 50) and of size 420 x 205 pixels, with white
#background. Turn on both horizontal and vertical grid lines with light grey
#color (0xc0c0c0)
$c->setPlotArea(55, 50, 420, 205, 0xffffff)->setGridColor(0xc0c0c0, 0xc0c0c0);
#Add a legend box at (55, 25) (top of the chart) with horizontal layout. Use 8
#pts Arial font. Set the background and border color to Transparent.
my $legendBox = $c->addLegend(55, 25, 0, "", 8);
$legendBox->setBackground($perlchartdir::Transparent);
#Add keys to the legend box to explain the color zones
$legendBox->addKey("Normal Zone", 0x8033ff33);
$legendBox->addKey("Alert Zone", 0x80ff3333);
#Add a title box to the chart using 13 pts Arial Bold Italic font. The title is
#in CDML and includes embedded images for highlight. The text is white
#(0xffffff) on a black background, with a 1 pixel 3D border.
$c->addTitle(
"<*block,valign=absmiddle*><*img=star.png*><*img=star.png*> Y Zone Color ".
"Demo <*img=star.png*><*img=star.png*><*/*>", "arialbi.ttf", 13, 0xffffff
)->setBackground(0x0, -1, 1);
#Add a title to the y axis
$c->yAxis()->setTitle("Energy Concentration (KJ per liter)");
#Set the labels on the x axis
$c->xAxis()->setLabels($labels);
#Add a title to the x axis using CDML
$c->xAxis()->setTitle(
"<*block,valign=absmiddle*><*img=clock.png*> Elapsed Time (hour)<*/*>");
#Set the axes width to 2 pixels
$c->xAxis()->setWidth(2);
$c->yAxis()->setWidth(2);
#Add an area layer to the chart. The area is using a y zone color, where the
#color is semi-transparent green below 60, and semi-transparent red above 60.
my $layer = $c->addAreaLayer2();
$layer->addDataSet($data, $layer->yZoneColor(60, 0x8033ff33, 0x80ff3333));
#Add a custom CDML text at the bottom right of the plot area as the logo
$c->addText(475, 255,
"<*block,valign=absmiddle*><*img=small_molecule.png*> <*block*>".
"<*font=timesbi.ttf,size=10,color=804040*>Molecular\nEngineering<*/*>"
)->setAlignment($perlchartdir::BottomRight);
#output the chart
$c->makeChart("yzonecolor.png")
|