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pnmtotiff.1
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1995-07-25
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5KB
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133 lines
ppppnnnnmmmmttttoooottttiiiiffffffff((((1111)))) XXXXEEEENNNNIIIIXXXX SSSSyyyysssstttteeeemmmm VVVV ((((11113333 JJJJaaaannnnuuuuaaaarrrryyyy 1111999999991111)))) ppppnnnnmmmmttttoooottttiiiiffffffff((((1111))))
NNNNAAAAMMMMEEEE
pnmtotiff - convert a a portable anymap into a TIFF file
SSSSYYYYNNNNOOOOPPPPSSSSIIIISSSS
ppppnnnnmmmmttttoooottttiiiiffffffff [----nnnnoooonnnneeee|----ppppaaaacccckkkkbbbbiiiittttssss| ----llllzzzzwwww|----gggg3333|----gggg4444] [----2222dddd] [----ffffiiiillllllll] [----
pppprrrreeeeddddiiiiccccttttoooorrrr _n] [----mmmmssssbbbb2222llllssssbbbb|----llllssssbbbb2222mmmmssssbbbb] [----rrrroooowwwwssssppppeeeerrrrssssttttrrrriiiipppp _n] [_p_n_m_f_i_l_e]
DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
Reads a portable anymap as input. Produces a TIFF file as
output.
OOOOPPPPTTTTIIIIOOOONNNNSSSS
By default, _p_n_m_t_o_t_i_f_f creates a TIFF file with LZW
compression. This is your best bet most of the time.
However, some TIFF readers can't deal with it. If you want
to try another compression scheme or tweak some of the other
even more obscure output options, there are a number of
flags to play with.
The ----nnnnoooonnnneeee, ----ppppaaaacccckkkkbbbbiiiittttssss, ----llllzzzzwwww, ----gggg3333, and ----gggg4444 options are used to
override the default and set the compression scheme used in
creating the output file. The CCITT Group 3 and Group 4
compression algorithms can only be used with bilevel data.
The ----2222dddd and ----ffffiiiillllllll options are meaningful only with Group 3
compression: ----2222dddd requests 2-dimensional encoding, while ----
ffffiiiillllllll requests that each encoded scanline be zero-filled to a
byte boundry. The ----pppprrrreeeeddddiiiiccccttttoooorrrr option is only meaningful with
LZW compression: a predictor value of 2 causes each scanline
of the output image to undergo horizontal differencing
before it is encoded; a value of 1 forces each scanline to
be encoded without differencing.
By default, _p_n_m_t_o_t_i_f_f creates a TIFF file with msb-to-lsb
fill order. The ----mmmmssssbbbb2222llllssssbbbb and ----llllssssbbbb2222mmmmssssbbbb options are used to
override the default and set the fill order used in creating
the file.
The ----rrrroooowwwwssssppppeeeerrrrssssttttrrrriiiipppp option can be used to set the number of
rows (scanlines) in each strip of data in the output file.
By default, the output file has the number of rows per strip
set to a value that will ensure each strip is no more than 8
kilobytes long.
BBBBUUUUGGGGSSSS
This program is not self-contained. To use it you must
fetch the TIFF Software package listed in the OTHER.SYSTEMS
file and configure PBMPLUS to use libtiff. See PBMPLUS's
Makefile for details on this configuration.
SSSSEEEEEEEE AAAALLLLSSSSOOOO
tifftopnm(1), pnm(5)
Page 1 (printed 9/7/93)
ppppnnnnmmmmttttoooottttiiiiffffffff((((1111)))) XXXXEEEENNNNIIIIXXXX SSSSyyyysssstttteeeemmmm VVVV ((((11113333 JJJJaaaannnnuuuuaaaarrrryyyy 1111999999991111)))) ppppnnnnmmmmttttoooottttiiiiffffffff((((1111))))
AAAAUUUUTTTTHHHHOOOORRRR
Derived by Jef Poskanzer from ras2tiff.c, which is Copyright
(c) 1990 by Sun Microsystems, Inc. Author: Patrick J.
Naughton (naughton@wind.sun.com).
Page 2 (printed 9/7/93)