home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
SGI Freeware 2001 May
/
SGI Freeware 2001 May - Disc 2.iso
/
dist
/
fw_netpbm.idb
/
usr
/
freeware
/
catman
/
u_man
/
cat1
/
ppmntsc.Z
/
ppmntsc
Wrap
Text File
|
2001-01-10
|
4KB
|
133 lines
PPPPPPPPMMMMNNNNTTTTSSSSCCCC((((1111)))) 1111 ((((AAAApppprrrriiiillll 11119999,,,, 2222000000000000)))) PPPPPPPPMMMMNNNNTTTTSSSSCCCC((((1111))))
NNNNAAAAMMMMEEEE
ppmntsc - Make RGB colors legal for NTSC or PAL color
systems.
SSSSYYYYNNNNOOOOPPPPSSSSIIIISSSS
ppppppppmmmmnnnnttttsssscccc [ --------ppppaaaallll ] [ --------lllleeeeggggaaaalllloooonnnnllllyyyy ] [ --------iiiilllllllleeeeggggaaaalllloooonnnnllllyyyy ] [
--------ccccoooorrrrrrrreeeecccctttteeeeddddoooonnnnllllyyyy ] [ --------vvvveeeerrrrbbbboooosssseeee ] [ --------ddddeeeebbbbuuuugggg ] [ _i_n_f_i_l_e ]
Minimum unique abbreviations of options are acceptable.
DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
This program makes colors legal in the NTSC (or PAL) color
systems. Often, images generated on the computer are made
for use in movies which ultimately end up on video tape.
However, the range of colors (as specified by their RGB
values) on a computer does not match the range of colors
that can be represented using the NTSC (or PAL) systems. If
an image with "illegal" colors is sent directly to an NTSC
(or PAL) video system for recording, the "illegal" colors
will be clipped. This may result in an undesirable looking
picture.
This utility tests each pixel in an image to see if it falls
within the legal NTSC (or PAL) range. If not, it raises or
lowers the pixel's saturation in the output so that it does
fall within legal limits. Pixels that are already OK just
go unmodified into the output.
Input is from the file named _i_n_p_u_t. If _i_n_p_u_t is ----, input is
from Standard Input. If you don't specify _i_n_p_u_t, input is
from Standard Input.
Output is always to Standard Output.
OOOOPPPPTTTTIIIIOOOONNNNSSSS
--------ppppaaaallll
Use the PAL transform instead of the default NTSC.
--------vvvveeeerrrrbbbboooosssseeee
Print a grand total of the number of illegal pixels.
--------ddddeeeebbbbuuuugggg
Produce a humongous listing of illegal colors and their
legal counterparts. NOTE: This option may produce a
great deal of output.
--------lllleeeeggggaaaalllloooonnnnllllyyyy
Output only pixels that are already legal. Output
black in place of pixels that are not.
Page 1 (printed 12/12/00)
PPPPPPPPMMMMNNNNTTTTSSSSCCCC((((1111)))) 1111 ((((AAAApppprrrriiiillll 11119999,,,, 2222000000000000)))) PPPPPPPPMMMMNNNNTTTTSSSSCCCC((((1111))))
--------iiiilllllllleeeeggggaaaalllloooonnnnllllyyyy
Output only pixels that are illegal (and output them
uncorrected). Output black in place of pixels that are
already legal.
--------ccccoooorrrrrrrreeeecccctttteeeeddddoooonnnnllllyyyy
Output only pixels that are corrected versions of
illegal pixels. Output black in place of pixels that
are already legal.
SSSSEEEEEEEE AAAALLLLSSSSOOOO
ppppppppmmmm(5), ppppppppmmmmddddeeeepppptttthhhh(1), ppppppppmmmmddddiiiimmmm(1), ppppppppmmmmbbbbrrrriiiigggghhhhtttteeeennnn(1)
AAAAUUUUTTTTHHHHOOOORRRR
Wes Barris, Minnesota Supercomputer Center, Inc., Bryan
Henderson
Page 2 (printed 12/12/00)