pfscut(1)

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)

BUGS

   Please   report   bugs    and    comments    to    Dorota    Zdrojewska
   <[email protected]>.

                                                                 pfscut(1)

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