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Contents
#!/usr/bin/env ruby
# -*- coding: utf-8 -*-
#######################################################################
#
# A demo of a Line chart with a secondary axis in WriteXLSX.
#
# reverse(c), March 2011, John McNamara, jmcnamara@cpan.org
# convert to ruby by Hideo NAKAMURA, nakamura.hideo@gmail.com
#
require 'write_xlsx'
workbook = WriteXLSX.new('chart_secondary_axis.xlsx')
worksheet = workbook.add_worksheet
bold = workbook.add_format(:bold => 1)
# Add the worksheet data that the charts will refer to.
headings = [ 'Aliens', 'Humans']
data = [
[ 2, 3, 4, 5, 6, 7 ],
[ 10, 40, 50, 20, 10, 50 ]
]
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 => 'line', :embedded => 1)
# Configure the first series.
chart.add_series(
:name => '=Sheet1!$A$1',
:values => '=Sheet1!$A$2:$A$7',
:y2_axis => 1
)
chart.add_series(
:name => '=Sheet1!$B$1',
:values => '=Sheet1!$B$2:$B$7'
)
chart.set_legend(:position => 'right')
# Add a chart title and some axis labels.
chart.set_title(:name => 'Survey results')
chart.set_x_axis(:name => 'Days')
chart.set_y_axis(:name => 'Population', :major_gridlines => {:visible => 0})
chart.set_y2_axis(:name => 'Laser wounds')
# Insert the chart into the worksheet (with an offset).
worksheet.insert_chart(
'D2', chart,
:x_offset => 25, :y_offset => 10
)
workbook.close
Version data entries
12 entries across 12 versions & 1 rubygems