Class: SimplePlot
Overview
SimplePlot
GnuPlot interface to simpleoutput
Copyright 2014 Austen Higgins-Cassidy
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
Instance Method Summary
collapse
#advance_series, #annotate, #appendHash, #appendPoints, #appendXY, #append_series_name, #getDataAsPoints, #getDataAsXY, #getSeriesHashes, #newData, #setHash, #setOptions, #setPoints, #setXData, #setXY, #setYData, #translate_name
Constructor Details
#initialize(name_template = "_plot", size = 512) ⇒ SimplePlot
Returns a new instance of SimplePlot.
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# File 'lib/simpleplot.rb', line 23
def initialize(name_template="_plot", size = 512)
super()
@name = name_template
@size = size
@series_next = 0;
@metadata = {}
end
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Instance Method Details
#append_callback(x, y, name, options) ⇒ Object
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# File 'lib/simpleplot.rb', line 91
def append_callback(x,y,name,options)
xmin = x.min
xmax = x.max
ymin = y.min
ymax = y.max
if !@metadata.has_key?(name)
new_data_callback(name)
end
@metadata[name]['length'] = @metadata[name]['length'] < x.size ? x.size : @metadata[name]['length']
@metadata[name]['xmin'] = xmin < @metadata[name]['xmin'] ? xmin : @metadata[name]['xmin']
@metadata[name]['xmax'] = xmax > @metadata[name]['xmax'] ? xmax : @metadata[name]['xmax']
@metadata[name]['ymin'] = ymin < @metadata[name]['ymin'] ? ymin : @metadata[name]['ymin']
@metadata[name]['ymax'] = ymax > @metadata[name]['ymax'] ? ymax : @metadata[name]['ymax']
check_title(name, options)
end
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#check_title(name, options) ⇒ Object
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# File 'lib/simpleplot.rb', line 61
def check_title(name, options)
if options.has_key?('series')
@metadata[name]['series_titles'] << options['series']
else
@metadata[name]['series_titles'] << "set-#{@series_next}"
@series_next += 1
end
end
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#new_data_callback(name) ⇒ Object
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# File 'lib/simpleplot.rb', line 70
def new_data_callback(name)
name = translate_name(name)
@metadata[name] = {'length' => 0, 'xlabel' => 'x', 'ylabel' => 'y', 'xmin' => 0 , 'xmax' => 10, 'ymin' => 0, 'ymax' => 10, 'series_titles' => [], 'histogram' => false, 'bincount' => 10, 'normalized' => false}
end
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#options_callback(options) ⇒ Object
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# File 'lib/simpleplot.rb', line 31
def options_callback(options)
if options.has_key?('xlabel')
@metadata[@current_name]['xlabel'] = options['xlabel']
end
if options.has_key?('ylabel')
@metadata[@current_name]['ylabel'] = options['ylabel']
end
if options.has_key?('histogram')
@metadata[@current_name]['histogram'] = options['histogram']
end
if options.has_key?('xmin')
@metadata[@current_name]['xmin'] = options['xmin']
end
if options.has_key?('xmax')
@metadata[@current_name]['xmax'] = options['xmax']
end
if options.has_key?('ymin')
@metadata[@current_name]['ymin'] = options['ymin']
end
if options.has_key?('ymax')
@metadata[@current_name]['ymax'] = options['ymax']
end
if options.has_key?('bincount')
@metadata[@current_name]['bincount'] = options['binscount']
end
if options.has_key?('normalized')
@metadata[@current_name]['normalized'] = options['normalized']
end
end
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#save ⇒ Object
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# File 'lib/simpleplot.rb', line 108
def save()
data = self.getDataAsXY()
data.each do |set_name, series|
Gnuplot.open do |gp|
Gnuplot::Plot.new(gp) do |plot|
plot.terminal "png"
plot.output "#{set_name+@name}.png"
plot.title set_name
plot.xlabel @metadata[set_name]['xlabel']
plot.ylabel @metadata[set_name]['ylabel']
plot.data = []
if @metadata[set_name]['histogram']
size = @metadata[set_name]['length']
bins = @metadata[set_name]['bincount']
max = @metadata[set_name]['ymax']
min = @metadata[set_name]['ymin']
width = (max.to_f-min.to_f).to_f/bins.to_f
plot.yrange '[0:]'
plot.xrange "[#{min}:#{max}]"
plot.set('boxwidth',width*0.9)
plot.set('offset', 'graph 0.05,0.05,0.05,0.0')
plot.set('xtics' " #{min}, #{width.to_f}, #{max}")
plot.set('tics', 'out nomirror')
plot.set('style', 'fill solid 0.5')
else
plot.xrange "[#{@metadata[set_name]['xmin']}:#{@metadata[set_name]['xmax']}]"
plot.yrange "[#{@metadata[set_name]['ymin']}:#{@metadata[set_name]['ymax']}]"
end
series.each_with_index do |line, index|
if @metadata[set_name]['histogram']
data_pts = line[1]
else
data_pts = line
end
d = Gnuplot::DataSet.new(data_pts)
d.title = @metadata[set_name]['series_titles'][index]
if @metadata[set_name]['histogram']
d.using = "(#{width.to_f}*floor($1/#{width.to_f})+#{width.to_f}/2.0):(1.0) smooth freq w boxes lc rgb\"blue\""
else
d.with = "linespoints"
d.linewidth = 2
end
plot.data << d
end
end
end
end
end
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#set_x_callback(data, name, options) ⇒ Object
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# File 'lib/simpleplot.rb', line 75
def set_x_callback(data, name, options)
xmin = data.min
xmax = data.max
@metadata[name]['xmin'] = xmin
@metadata[name]['xmax'] = xmax
@metadata[name]['length'] = (@metadata[name]['length'] < data.size) ? data.size : @metadata[name]['length']
check_title(name, options)
end
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#set_y_callback(data, name, options) ⇒ Object
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# File 'lib/simpleplot.rb', line 84
def set_y_callback(data, name, options)
ymin = data.min
ymax = data.max
@metadata[name]['ymin'] = ymin
@metadata[name]['ymax'] = ymax
end
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