#!/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;
# XY points for the scatter chart
my $dataX0 = [10, 15, 6, -12, 14, -8, 13, -13, 16, 12, 10.5];
my $dataY0 = [130, 150, 80, 110, -110, -105, -130, 115, -170, 125, 125];
my $dataX1 = [6, 7, -4, 3.5, 7, 8, -9, -10, -12, 11, 8];
my $dataY1 = [65, -40, -40, 45, -70, -80, 80, 10, -100, 105, 60];
my $dataX2 = [-10, -12, 11, 8, 6, 12, -4, 3.5, 7, 8, -9];
my $dataY2 = [65, -80, -40, 45, -70, -80, 80, 90, -100, 105, 60];
# Create a XYChart object of size 600 x 300 pixels, with a light blue (ccccff) background, a black
# border, and 1 pixel 3D border effect
my $c = new XYChart(600, 480, 0xccccff, 0x000000, 1);
# Add a title box to the chart using 16pt Arial Bold Italic font, with white text on deep blue
# background
$c->addTitle("Four Quadrant Chart Demonstration", "arialbi.ttf", 16, 0xffffff)->setBackground(
0x000080);
# Set the plotarea at (20, 60) and of size 560 x 360 pixels, with grey (808080) border, and light
# grey (c0c0c0) horizontal and vertical grid lines. Set 4 quadrant coloring, where the colors of the
# quadrants alternate between lighter and deeper grey (dddddd/eeeeee)
$c->setPlotArea(20, 60, 560, 360, -1, -1, 0x808080, 0xc0c0c0, 0xc0c0c0)->set4QBgColor(0xdddddd,
0xeeeeee, 0xdddddd, 0xeeeeee);
# Set 4 quadrant mode, with both x and y axes symetrical around the origin
$c->setAxisAtOrigin($perlchartdir::XYAxisAtOrigin, $perlchartdir::XAxisSymmetric +
$perlchartdir::YAxisSymmetric);
# Add a legend box at (300, 460) (bottom center of the chart) with horizontal layout. Use 8pt Arial
# Bold font.
my $legendBox = $c->addLegend(300, 460, 0, "arialbd.ttf", 8);
$legendBox->setAlignment($perlchartdir::BottomCenter);
# Set legend box background to light grey (dddddd) with a black border
$legendBox->setBackground(0xdddddd, 0);
# Set left/right margin to 20 pixels and top/bottom margin to 5 pixels
$legendBox->setMargin2(20, 20, 5, 5);
# Add a titles to axes
$c->xAxis()->setTitle("Alpha Index");
$c->yAxis()->setTitle("Beta Index");
# Set axes width to 2 pixels
$c->xAxis()->setWidth(2);
$c->yAxis()->setWidth(2);
# Add scatter layer, using 15 pixels red (ff33333) X shape symbols
$c->addScatterLayer($dataX0, $dataY0, "Group A", perlchartdir::Cross2Shape(), 15, 0xff3333);
# Add scatter layer, using 15 pixels green (33ff33) 6-sided polygon symbols
$c->addScatterLayer($dataX1, $dataY1, "Group B", perlchartdir::PolygonShape(6), 15, 0x33ff33);
# Add scatter layer, using 15 pixels blue (3333ff) triangle symbols
$c->addScatterLayer($dataX2, $dataY2, "Group C", $perlchartdir::TriangleSymbol, 15, 0x3333ff);
# Output the chart
$c->makeChart("fourq.png") |
