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.\" ========================================================================
.\"
.IX Title "Excel::Writer::XLSX::Chart::Bar 3pm"
.TH Excel::Writer::XLSX::Chart::Bar 3pm "2020-08-26" "perl v5.30.3" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.nh
.SH "NAME"
Bar \- A class for writing Excel Bar charts.
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
To create a simple Excel file with a Bar chart using Excel::Writer::XLSX:
.PP
.Vb 1
\&    #!/usr/bin/perl
\&
\&    use strict;
\&    use warnings;
\&    use Excel::Writer::XLSX;
\&
\&    my $workbook  = Excel::Writer::XLSX\->new( \*(Aqchart.xlsx\*(Aq );
\&    my $worksheet = $workbook\->add_worksheet();
\&
\&    my $chart     = $workbook\->add_chart( type => \*(Aqbar\*(Aq );
\&
\&    # Configure the chart.
\&    $chart\->add_series(
\&        categories => \*(Aq=Sheet1!$A$2:$A$7\*(Aq,
\&        values     => \*(Aq=Sheet1!$B$2:$B$7\*(Aq,
\&    );
\&
\&    # Add the worksheet data the chart refers to.
\&    my $data = [
\&        [ \*(AqCategory\*(Aq, 2, 3, 4, 5, 6, 7 ],
\&        [ \*(AqValue\*(Aq,    1, 4, 5, 2, 1, 5 ],
\&    ];
\&
\&    $worksheet\->write( \*(AqA1\*(Aq, $data );
\&
\&    _\|_END_\|_
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This module implements Bar charts for Excel::Writer::XLSX. The chart object is created via the Workbook \f(CW\*(C`add_chart()\*(C'\fR method:
.PP
.Vb 1
\&    my $chart = $workbook\->add_chart( type => \*(Aqbar\*(Aq );
.Ve
.PP
Once the object is created it can be configured via the following methods that are common to all chart classes:
.PP
.Vb 4
\&    $chart\->add_series();
\&    $chart\->set_x_axis();
\&    $chart\->set_y_axis();
\&    $chart\->set_title();
.Ve
.PP
These methods are explained in detail in Excel::Writer::XLSX::Chart. Class specific methods or settings, if any, are explained below.
.SH "Bar Chart Subtypes"
.IX Header "Bar Chart Subtypes"
The \f(CW\*(C`Bar\*(C'\fR chart module also supports the following sub-types:
.PP
.Vb 2
\&    stacked
\&    percent_stacked
.Ve
.PP
These can be specified at creation time via the \f(CW\*(C`add_chart()\*(C'\fR Worksheet method:
.PP
.Vb 1
\&    my $chart = $workbook\->add_chart( type => \*(Aqbar\*(Aq, subtype => \*(Aqstacked\*(Aq );
.Ve
.SH "EXAMPLE"
.IX Header "EXAMPLE"
Here is a complete example that demonstrates most of the available features when creating a chart.
.PP
.Vb 1
\&    #!/usr/bin/perl
\&
\&    use strict;
\&    use warnings;
\&    use Excel::Writer::XLSX;
\&
\&    my $workbook  = Excel::Writer::XLSX\->new( \*(Aqchart_bar.xlsx\*(Aq );
\&    my $worksheet = $workbook\->add_worksheet();
\&    my $bold      = $workbook\->add_format( bold => 1 );
\&
\&    # Add the worksheet data that the charts will refer to.
\&    my $headings = [ \*(AqNumber\*(Aq, \*(AqBatch 1\*(Aq, \*(AqBatch 2\*(Aq ];
\&    my $data = [
\&        [ 2,  3,  4,  5,  6,  7 ],
\&        [ 10, 40, 50, 20, 10, 50 ],
\&        [ 30, 60, 70, 50, 40, 30 ],
\&
\&    ];
\&
\&    $worksheet\->write( \*(AqA1\*(Aq, $headings, $bold );
\&    $worksheet\->write( \*(AqA2\*(Aq, $data );
\&
\&    # Create a new chart object. In this case an embedded chart.
\&    my $chart = $workbook\->add_chart( type => \*(Aqbar\*(Aq, embedded => 1 );
\&
\&    # Configure the first series.
\&    $chart\->add_series(
\&        name       => \*(Aq=Sheet1!$B$1\*(Aq,
\&        categories => \*(Aq=Sheet1!$A$2:$A$7\*(Aq,
\&        values     => \*(Aq=Sheet1!$B$2:$B$7\*(Aq,
\&    );
\&
\&    # Configure second series. Note alternative use of array ref to define
\&    # ranges: [ $sheetname, $row_start, $row_end, $col_start, $col_end ].
\&    $chart\->add_series(
\&        name       => \*(Aq=Sheet1!$C$1\*(Aq,
\&        categories => [ \*(AqSheet1\*(Aq, 1, 6, 0, 0 ],
\&        values     => [ \*(AqSheet1\*(Aq, 1, 6, 2, 2 ],
\&    );
\&
\&    # Add a chart title and some axis labels.
\&    $chart\->set_title ( name => \*(AqResults of sample analysis\*(Aq );
\&    $chart\->set_x_axis( name => \*(AqTest number\*(Aq );
\&    $chart\->set_y_axis( name => \*(AqSample length (mm)\*(Aq );
\&
\&    # Set an Excel chart style. Blue colors with white outline and shadow.
\&    $chart\->set_style( 11 );
\&
\&    # Insert the chart into the worksheet (with an offset).
\&    $worksheet\->insert_chart( \*(AqD2\*(Aq, $chart, 25, 10 );
\&
\&    _\|_END_\|_
.Ve
.SH "AUTHOR"
.IX Header "AUTHOR"
John McNamara jmcnamara@cpan.org
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright MM-MMXX, John McNamara.
.PP
All Rights Reserved. This module is free software. It may be used, redistributed and/or modified under the same terms as Perl itself.