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#!/usr/bin/perl
#######################################################################
#
# A demo of an various Excel chart data tools that are available via
# an Excel::Writer::XLSX chart.
#
# These include, Trendlines, Data Labels, Error Bars, Drop Lines,
# High-Low Lines and Up-Down Bars.
#
# reverse ('(c)'), December 2012, John McNamara, jmcnamara@cpan.org
#
use strict;
use warnings;
use Excel::Writer::XLSX;
my $workbook = Excel::Writer::XLSX->new( 'chart_data_tools.xlsx' );
my $worksheet = $workbook->add_worksheet();
my $bold = $workbook->add_format( bold => 1 );
# Add the worksheet data that the charts will refer to.
my $headings = [ 'Number', 'Data 1', 'Data 2' ];
my $data = [
[ 2, 3, 4, 5, 6, 7 ],
[ 10, 40, 50, 20, 10, 50 ],
[ 30, 60, 70, 50, 40, 30 ],
];
$worksheet->write( 'A1', $headings, $bold );
$worksheet->write( 'A2', $data );
#######################################################################
#
# Trendline example.
#
# Create a Line chart.
my $chart1 = $workbook->add_chart( type => 'line', embedded => 1 );
# Configure the first series with a polynomial trendline.
$chart1->add_series(
categories => '=Sheet1!$A$2:$A$7',
values => '=Sheet1!$B$2:$B$7',
trendline => {
type => 'polynomial',
order => 3,
},
);
# Configure the second series with a moving average trendline.
$chart1->add_series(
categories => '=Sheet1!$A$2:$A$7',
values => '=Sheet1!$C$2:$C$7',
trendline => { type => 'linear' },
);
# Add a chart title. and some axis labels.
$chart1->set_title( name => 'Chart with Trendlines' );
# Insert the chart into the worksheet (with an offset).
$worksheet->insert_chart( 'D2', $chart1, 25, 10 );
#######################################################################
#
# Data Labels and Markers example.
#
# Create a Line chart.
my $chart2 = $workbook->add_chart( type => 'line', embedded => 1 );
# Configure the first series.
$chart2->add_series(
categories => '=Sheet1!$A$2:$A$7',
values => '=Sheet1!$B$2:$B$7',
data_labels => { value => 1 },
marker => { type => 'automatic' },
);
# Configure the second series.
$chart2->add_series(
categories => '=Sheet1!$A$2:$A$7',
values => '=Sheet1!$C$2:$C$7',
);
# Add a chart title. and some axis labels.
$chart2->set_title( name => 'Chart with Data Labels and Markers' );
# Insert the chart into the worksheet (with an offset).
$worksheet->insert_chart( 'D18', $chart2, 25, 10 );
#######################################################################
#
# Error Bars example.
#
# Create a Line chart.
my $chart3 = $workbook->add_chart( type => 'line', embedded => 1 );
# Configure the first series.
$chart3->add_series(
categories => '=Sheet1!$A$2:$A$7',
values => '=Sheet1!$B$2:$B$7',
y_error_bars => { type => 'standard_error' },
);
# Configure the second series.
$chart3->add_series(
categories => '=Sheet1!$A$2:$A$7',
values => '=Sheet1!$C$2:$C$7',
);
# Add a chart title. and some axis labels.
$chart3->set_title( name => 'Chart with Error Bars' );
# Insert the chart into the worksheet (with an offset).
$worksheet->insert_chart( 'D34', $chart3, 25, 10 );
#######################################################################
#
# Up-Down Bars example.
#
# Create a Line chart.
my $chart4 = $workbook->add_chart( type => 'line', embedded => 1 );
# Add the Up-Down Bars.
$chart4->set_up_down_bars();
# Configure the first series.
$chart4->add_series(
categories => '=Sheet1!$A$2:$A$7',
values => '=Sheet1!$B$2:$B$7',
);
# Configure the second series.
$chart4->add_series(
categories => '=Sheet1!$A$2:$A$7',
values => '=Sheet1!$C$2:$C$7',
);
# Add a chart title. and some axis labels.
$chart4->set_title( name => 'Chart with Up-Down Bars' );
# Insert the chart into the worksheet (with an offset).
$worksheet->insert_chart( 'D50', $chart4, 25, 10 );
#######################################################################
#
# High-Low Lines example.
#
# Create a Line chart.
my $chart5 = $workbook->add_chart( type => 'line', embedded => 1 );
# Add the High-Low lines.
$chart5->set_high_low_lines();
# Configure the first series.
$chart5->add_series(
categories => '=Sheet1!$A$2:$A$7',
values => '=Sheet1!$B$2:$B$7',
);
# Configure the second series.
$chart5->add_series(
categories => '=Sheet1!$A$2:$A$7',
values => '=Sheet1!$C$2:$C$7',
);
# Add a chart title. and some axis labels.
$chart5->set_title( name => 'Chart with High-Low Lines' );
# Insert the chart into the worksheet (with an offset).
$worksheet->insert_chart( 'D66', $chart5, 25, 10 );
#######################################################################
#
# Drop Lines example.
#
# Create a Line chart.
my $chart6 = $workbook->add_chart( type => 'line', embedded => 1 );
# Add Drop Lines.
$chart6->set_drop_lines();
# Configure the first series.
$chart6->add_series(
categories => '=Sheet1!$A$2:$A$7',
values => '=Sheet1!$B$2:$B$7',
);
# Configure the second series.
$chart6->add_series(
categories => '=Sheet1!$A$2:$A$7',
values => '=Sheet1!$C$2:$C$7',
);
# Add a chart title. and some axis labels.
$chart6->set_title( name => 'Chart with Drop Lines' );
# Insert the chart into the worksheet (with an offset).
$worksheet->insert_chart( 'D82', $chart6, 25, 10 );
__END__
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