pfscut - Online in the Cloud

PROGRAM:

NAME

pfscut - Extract a rectangle out of a frame in PFS stream

SYNOPSIS

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
pfsin(1) pfsout(1)

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