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Contents
#!/usr/bin/env ruby
# -*- coding: utf-8 -*-
#######################################################################
#
# A demo of an Bar chart in Excel::Writer::XLSX.
#
# reverse('c'), March 2011, John McNamara, jmcnamara@cpan.org
# convert to ruby by Hideo NAKAMURA, cxn03651@msj.biglobe.ne.jp
#
require 'rubygems'
require 'write_xlsx'
workbook = WriteXLSX.new('chart_bar.xlsx')
worksheet = workbook.add_worksheet
bold = workbook.add_format(:bold => 1)
# Add the worksheet data that the charts will refer to.
headings = [ 'Number', 'Batch 1', 'Batch 2' ]
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)
# Create a new chart object. In this case an embedded chart.
chart = workbook.add_chart(:type => 'bar', :embedded => 1)
# Configure the first series.
chart.add_series(
:name => '=Sheet1!$B$1',
:categories => '=Sheet1!$A$2:$A$7',
:values => '=Sheet1!$B$2:$B$7'
)
# Configure second series. Note alternative use of array ref to define
# ranges: [ sheetname, row_start, row_end, col_start, col_end ].
chart.add_series(
:name => '=Sheet1!$C$1',
:categories => [ 'Sheet1', 1, 6, 0, 0 ],
:values => [ 'Sheet1', 1, 6, 2, 2 ]
)
# 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 (mm)')
# 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('D2', chart, 25, 10)
workbook.close
Version data entries
38 entries across 38 versions & 1 rubygems