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pfscut
Langue: en
Version: 42994 (openSuse - 09/10/07)
Section: 1 (Commandes utilisateur)
NAME
pfscut - Extract a rectangle out of a frame in PFS streamSYNOPSIS
pfscut [--left <columns>] [--right <columns>] [--top <rows>] [--bottom <rows>] [--width <new_width>] [--height <new_height>] [--help] [x_ul y_ul x_br y_br]DESCRIPTION
Extract a rectangle out of each frame in PFS stream. You can either specify x and y coordinates of upper left and lower right corner (the coordinates start with 0 and rise in the left-to-right and up-to-botton directions) or give a combination of the options listed below.OPTIONS
- --left <columns>, -l <columns>
- Number of columns to be cut out from the left edge of an image.
- --right <columns>, -r <columns>
- Number of columns to be cut out from the right edge of an image.
- --top <rows>, -t <rows>
- Number of rows to be cut out from the top edge of an image.
- --bottom <rows>, -b <rows>
- Number of rows to be cut out from the bottom edge of an image.
- --width <new_width>, -W <new_width>
- Width of an output image. Note that --width can be mixed with either --left or --right option.
- --height <new_height>, -H <new_height>
- Height of an output image. Note that --height can be mixed with either --top or --bottom option.
- --help, -h
- Print a list of commandline options.
EXAMPLES
- pfsin image.hdr | pfscut --left 20 --top 5 | pfsout out.hdr
- Cut out 20 columns from the left and 5 rows from the top edge of image.hdr and save frame as out.hdr.
- pfsin image.hdr | pfscut --left 20 --width 400 | pfsout out.hdr
- Cut out 20 columns from the left edge of image.hdr, and create output image 400 pixels in width.
- pfsin image.hdr | pfscut 0 0 511 511 | pfsout out.hdr
- Cut left-upper part of the image of the size 512x512 (note that coordinates start with 0 and 512 is the last row/column that is included in the resulting image).
SEE ALSO
BUGS
Please report bugs and comments to Dorota Zdrojewska <dzdrojewska@wi.ps.pl>.Contenus ©2006-2024 Benjamin Poulain
Design ©2006-2024 Maxime Vantorre