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NAME

       gpiv_clip - Image clipping program for PIV images.

SYNOPSIS

       gpiv_clip  [-h  |  --help]  [-p | --print] [-t N | --threshold N] [-v |
       --version] [filename] < stdin > stdout

DESCRIPTION

       gpiv_clip sets all pixels below a pre-defined value to zero

       The parameters read from the configuration  resources  (containing  the
       key  GPIV_IMGPROC)  may  be  overruled  by the command line options, as
       explained below.

Options

       -h | --help
              On-line help

       -t N | --threshold N
              Threshold value to be set to zero

       -v | --version
              Print  version  information  on  standard  output,   then   exit
              successfully.

       filename
              Input  image  filename. Overrides stdin and stdout with the full
              filename of the image. Output will be written  to  filename.png.
              Parameters are stored in filename.par and may be used for future
              use by including them in ./gpivrc. If stdin and stdout are used,
              the input is expected to be a PNG formatted image.

       SEE ALSO
              gpivtools

AUTHOR

       Gerber Van der Graaf

                                7 November 2006