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.\" ========================================================================
.\"
.IX Title "Spreadsheet::WriteExcel::Chart::Line 3"
.TH Spreadsheet::WriteExcel::Chart::Line 3 "2010-02-03" "perl v5.8.4" "User Contributed Perl Documentation"
.SH "NAME"
Line \- A writer class for Excel Line charts.
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
To create a simple Excel file with a Line chart using Spreadsheet::WriteExcel:
.PP
.Vb 1
\&    #!/usr/bin/perl -w
.Ve
.PP
.Vb 2
\&    use strict;
\&    use Spreadsheet::WriteExcel;
.Ve
.PP
.Vb 2
\&    my $workbook  = Spreadsheet::WriteExcel->new( 'chart.xls' );
\&    my $worksheet = $workbook->add_worksheet();
.Ve
.PP
.Vb 1
\&    my $chart     = $workbook->add_chart( type => 'line' );
.Ve
.PP
.Vb 5
\&    # Configure the chart.
\&    $chart->add_series(
\&        categories => '=Sheet1!$A$2:$A$7',
\&        values     => '=Sheet1!$B$2:$B$7',
\&    );
.Ve
.PP
.Vb 5
\&    # Add the worksheet data the chart refers to.
\&    my $data = [
\&        [ 'Category', 2, 3, 4, 5, 6, 7 ],
\&        [ 'Value',    1, 4, 5, 2, 1, 5 ],
\&    ];
.Ve
.PP
.Vb 1
\&    $worksheet->write( 'A1', $data );
.Ve
.PP
.Vb 1
\&    __END__
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This module implements Line charts for Spreadsheet::WriteExcel. 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 => 'line' );
.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 Spreadsheet::WriteExcel::Chart. Class specific methods or settings, if any, are explained below.
.SH "Line Chart Methods"
.IX Header "Line Chart Methods"
There aren't currently any line chart specific methods. See the \s-1TODO\s0 section of Spreadsheet::WriteExcel::Chart.
.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 -w
.Ve
.PP
.Vb 2
\&    use strict;
\&    use Spreadsheet::WriteExcel;
.Ve
.PP
.Vb 3
\&    my $workbook  = Spreadsheet::WriteExcel->new( 'chart_line.xls' );
\&    my $worksheet = $workbook->add_worksheet();
\&    my $bold      = $workbook->add_format( bold => 1 );
.Ve
.PP
.Vb 7
\&    # Add the worksheet data that the charts will refer to.
\&    my $headings = [ 'Number', 'Sample 1', 'Sample 2' ];
\&    my $data = [
\&        [ 2, 3, 4, 5, 6, 7 ],
\&        [ 1, 4, 5, 2, 1, 5 ],
\&        [ 3, 6, 7, 5, 4, 3 ],
\&    ];
.Ve
.PP
.Vb 2
\&    $worksheet->write( 'A1', $headings, $bold );
\&    $worksheet->write( 'A2', $data );
.Ve
.PP
.Vb 2
\&    # Create a new chart object. In this case an embedded chart.
\&    my $chart = $workbook->add_chart( type => 'line', embedded => 1 );
.Ve
.PP
.Vb 6
\&    # Configure the first series. (Sample 1)
\&    $chart->add_series(
\&        name       => 'Sample 1',
\&        categories => '=Sheet1!$A$2:$A$7',
\&        values     => '=Sheet1!$B$2:$B$7',
\&    );
.Ve
.PP
.Vb 6
\&    # Configure the second series. (Sample 2)
\&    $chart->add_series(
\&        name       => 'Sample 2',
\&        categories => '=Sheet1!$A$2:$A$7',
\&        values     => '=Sheet1!$C$2:$C$7',
\&    );
.Ve
.PP
.Vb 4
\&    # Add a chart title and some axis labels.
\&    $chart->set_title ( name => 'Results of sample analysis' );
\&    $chart->set_x_axis( name => 'Test number' );
\&    $chart->set_y_axis( name => 'Sample length (cm)' );
.Ve
.PP
.Vb 2
\&    # Insert the chart into the worksheet (with an offset).
\&    $worksheet->insert_chart( 'D2', $chart, 25, 10 );
.Ve
.PP
.Vb 1
\&    __END__
.Ve
.SH "AUTHOR"
.IX Header "AUTHOR"
John McNamara jmcnamara@cpan.org
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright \s-1MM\-MMX\s0, 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.