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#!/usr/bin/env ruby
# A very simple Gwyddion plug-in example in Ruby.
# Written by Nenad Ocelic <ocelic _at_ biochem.mpg.de>.
# Public domain.
begin
require "narray"
rescue LoadError
exit 1
end
$:.push(ENV['GWYPLUGINLIB'] + '/ruby')
require "gwyddion/dump"
include Gwyddion
# Plug-in information.
RUN_MODES= 'noninteractive', 'with_defaults'
PLUGIN_INFO= [ "invert_narray", "/_Test/Value Invert (Ruby+NArray)"]
def register(args)
puts PLUGIN_INFO, RUN_MODES.join(' ')
end
def run( args)
run_mode= args.shift
RUN_MODES.member? run_mode or raise "Invalid run mode"
dump= DumpNArray.new args.shift
a= dump[ '/0/data']
mirror= a.min + a.max
dump[ '/0/data']= mirror - a
dump.write # filename optional unless changed
end
fn= ARGV.shift
send fn.intern, ARGV
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