Module: R::PNG
- Defined in:
- lib/rbbt/util/R/plot.rb
Class Method Summary collapse
- .eog(data, script = nil, width = nil, height = nil, options = {}) ⇒ Object
- .eog_plot(data, script = nil, width = nil, height = nil, options = {}) ⇒ Object
- .ggplot(filename, data, script = nil, width = nil, height = nil, options = {}) ⇒ Object
- .ggplotPNG(*args) ⇒ Object
- .plot(filename, data = nil, script = nil, width = nil, height = nil, options = {}, &block) ⇒ Object
Class Method Details
.eog(data, script = nil, width = nil, height = nil, options = {}) ⇒ Object
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# File 'lib/rbbt/util/R/plot.rb', line 88 def self.eog(data, script = nil, width = nil, height = nil, = {}) TmpFile.with_file :extension => 'png' do |filename| ggplot(filename, data, script, width, height, ) `eog #{ filename }` end end |
.eog_plot(data, script = nil, width = nil, height = nil, options = {}) ⇒ Object
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# File 'lib/rbbt/util/R/plot.rb', line 95 def self.eog_plot(data, script = nil, width = nil, height = nil, = {}) TmpFile.with_file :extension => 'png' do |filename| plot(filename, data, script, width, height, ) `eog #{ filename }` end end |
.ggplot(filename, data, script = nil, width = nil, height = nil, options = {}) ⇒ Object
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# File 'lib/rbbt/util/R/plot.rb', line 107 def self.ggplot(filename, data, script = nil, width = nil, height = nil, = {}) width ||= 3 height ||= 3 values = [] sources = [:plot, [:source]].flatten.compact data.each do |k,v| v = Array === v ? v : [v] next if v == "NA" or v.nil? or v.include? "NA" or v.include? nil values = v break end values = [values] unless Array === values field_classes = values.collect do |v| case v when FalseClass, TrueClass "'logical'" when Numeric "'numeric'" when String if v.strip =~ /^[-+]?[\d\.]+$/ "'numeric'" else "'character'" end when Symbol "'factor'" else ":NA" end end [:R_open] ||= "colClasses=c('character'," + field_classes * ", " + ')' data.R <<-EOF, :plot, plot = { #{script} } ggsave('#{filename}', plot, width = #{R.ruby2R width}, height = #{R.ruby2R height}) data = NULL EOF end |
.ggplotPNG(*args) ⇒ Object
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# File 'lib/rbbt/util/R/plot.rb', line 103 def self.ggplotPNG(*args) ggplot(*args) end |
.plot(filename, data = nil, script = nil, width = nil, height = nil, options = {}, &block) ⇒ Object
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# File 'lib/rbbt/util/R/plot.rb', line 149 def self.plot(filename, data = nil, script = nil, width = nil, height = nil, = {}, &block) width ||= 600 height ||= 600 values = [] script ||= "" if block_given? s = StringIO.new class << s def method_missing(name, *args) name = name.to_s if name[-1] == '=' arg = args.first value = if String === arg arg else R.ruby2R arg end add("" << name[0..-2] << "=" << value) else args_strs = [] args.each do |arg| value = if String === arg arg else R.ruby2R arg end args_strs << value end add("" << name << "(" << args_strs * ", " << ")") end end def add(line) self.write line << "\n" end end block.call(s) s.rewind script << "\n" << s.read end sources = [:plot, [:source]].flatten.compact if data data.each do |k,v| v = Array === v ? v : [v] next if v == "NA" or v.nil? or v.include? "NA" or v.include? nil values = v break end values = [values] unless values.nil? or Array === values field_classes = values.collect do |v| case v when FalseClass, TrueClass "'logical'" when Numeric "'numeric'" when String if v.strip =~ /^[-+]?[\d\.]+$/ "'numeric'" else "'character'" end when Symbol "'factor'" else ":NA" end end [:R_open] ||= "colClasses=c('character'," + field_classes * ", " + ')' if field_classes.any? data.R <<-EOF, :plot, png("#{ filename }", #{ width }, #{ height }) { #{script} } dev.off() data = NULL EOF else R.run <<-EOF, :plot, png("#{ filename }", #{ width }, #{ height }) { #{script} } dev.off() EOF end end |