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Text File  |  1995-07-26  |  2.5 KB  |  67 lines
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  4.      gggg3333ttttooooppppbbbbmmmm((((1111))))      XXXXEEEENNNNIIIIXXXX SSSSyyyysssstttteeeemmmm VVVV ((((00002222 OOOOccccttttoooobbbbeeeerrrr 1111999988889999))))       gggg3333ttttooooppppbbbbmmmm((((1111))))
  5.  
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  8.      NNNNAAAAMMMMEEEE
  9.           g3topbm - convert a Group 3 fax file into a portable bitmap
  10.  
  11.      SSSSYYYYNNNNOOOOPPPPSSSSIIIISSSS
  12.           gggg3333ttttooooppppbbbbmmmm [----kkkklllluuuuddddggggeeee] [----rrrreeeevvvveeeerrrrsssseeeebbbbiiiittttssss] [----ssssttttrrrreeeettttcccchhhh] [_g_3_f_i_l_e]
  13.  
  14.      DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
  15.           Reads a Group 3 fax file as input.  Produces a portable
  16.           bitmap as output.
  17.  
  18.      OOOOPPPPTTTTIIIIOOOONNNNSSSS
  19.           ----kkkklllluuuuddddggggeeee
  20.                Tells _g_3_t_o_p_b_m to ignore the first few lines of the
  21.                file; sometimes fax files have some junk at the
  22.                beginning.
  23.  
  24.           ----rrrreeeevvvveeeerrrrsssseeeebbbbiiiittttssss
  25.                Tells _g_3_t_o_p_b_m to interpret bits least-significant
  26.                first, instead of the default most-significant first.
  27.                Apparently some fax modems do it one way and others do
  28.                it the other way.  If you get a whole bunch of "bad
  29.                code word" messages, try using this flag.
  30.  
  31.           ----ssssttttrrrreeeettttcccchhhh
  32.                Tells _g_3_t_o_p_b_m to stretch the image vertically by
  33.                duplicating each row.  This is for the low-quality
  34.                transmission mode.
  35.  
  36.           All flags can be abbreviated to their shortest unique
  37.           prefix.
  38.  
  39.      RRRREEEEFFFFEEEERRRREEEENNNNCCCCEEEESSSS
  40.           The standard for Group 3 fax is defined in CCITT
  41.           Recommendation T.4.
  42.  
  43.      BBBBUUUUGGGGSSSS
  44.           Probably.
  45.  
  46.      SSSSEEEEEEEE AAAALLLLSSSSOOOO
  47.           pbmtog3(1), pbm(5)
  48.  
  49.      AAAAUUUUTTTTHHHHOOOORRRR
  50.           Copyright (C) 1989 by Paul Haeberli <paul@manray.sgi.com>.
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  63.      Page 1                                           (printed 9/7/93)
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