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pfscut(1)		     General Commands Manual		       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 ei-
	    ther --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 im-
	    age.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  out-
	    put 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 co-
	    ordinates start with 0 and 512 is the last row/column  that  is  in-
	    cluded in the resulting image).

     SEE ALSO
	    pfsin(1) pfsout(1)

BUGS
     Please   report   bugs   and   comments  to  Dorota  Zdrojewska  <dzdrojew-
     ska@wi.ps.pl>.

								       pfscut(1)

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