Mercurial > lasercutter

     1 #!/usr/bin/env ruby -rubygems

     2 # Tokyo cache cow command line interface script.

     3 # Run <tt>tokyo_cache_cow -h</tt> to get more usage.

     4 require File.dirname(__FILE__) + '/../lib/graster'

     5 

     6 unless ARGV.size == 5

     7   puts "usage: ruby tile.rb <input-gcode-file> <tile-width> <tile-height> <horiz-count> <vert-count>"

     8   exit(1)

     9 end

    10 

    11 def parse_line line

    12   nc = {}

    13   line.gsub(/\([^)]*\)/,'').upcase.scan(/([A-Z])\s*([0-9\.]+)?/).each {|code| nc[code[0].intern] = (code[1] && code[1].to_f) }

    14   nc

    15 end

    16 

    17 def gcode ncs

    18   ncs = [ncs] unless ncs.is_a? Array

    19   ncs.reduce('') {|a,nc| a << (nc.map {|k,v| "#{k}#{v}" }.join(' ') + "\n") }

    20 end

    21 

    22 tile_width = ARGV[1].to_f

    23 tile_height = ARGV[2].to_f

    24 horiz_count = ARGV[3].to_i

    25 vert_count = ARGV[4].to_i

    26 

    27 header = []

    28 body = []

    29 footer = []

    30 state = :header

    31 

    32 

    33 File.open ARGV[0] do |io|

    34   io.each_line do |line|

    35     if (nc = parse_line(line)) != {}

    36       case state

    37       when :header

    38         if nc[:G] == 0 || nc[:G] == 1

    39           state = :body

    40           body << nc

    41         else

    42           header << nc

    43         end

    44 

    45       when :body

    46         if nc[:G] == 0 || nc[:G] == 1

    47           body << nc

    48         else

    49           state = :footer

    50           footer << nc

    51         end

    52 

    53       when :footer

    54         footer << nc

    55       end

    56     end # case

    57     

    58   end # io.each_line

    59 end # File.open

    60 

    61 print gcode(header)

    62 

    63 vert_count.times do |yc|

    64   horiz_count.times do |xc|

    65     body.each do |nc|

    66       nc = nc.dup

    67       nc[:X] += xc*tile_width if nc[:X]

    68       nc[:Y] += yc*tile_height if nc[:Y]

    69       print gcode(nc)

    70     end

    71   end

    72 end

    73 

    74 print gcode(footer)
author	Robert McIntyre <rlm@mit.edu>
date	Tue, 24 Aug 2010 19:06:45 -0400
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