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NAME

       gpiv_vhisto - Tests PIV data by printing/displaying an histogram of the
       vertical particle displacements.

SYNOPSIS

       gpiv_vhisto [-g] [-h | --help] [-n N] [-p | --print] [-v  |  --version]
       [filename] < stdin > stdout

DESCRIPTION

       Gpiv_vhisto   calculates   the   histogram  of  the  vertical  particle
       displacement distribution between minimum and maximum values.

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

Options

       -g     Graphical visualization of the histogram with gnuplot.

       -h | --help
              On-line help

       -n N   Override number of bins (default 10, hard coded).

       -p | --print
              Print parameters, command line options and eventually used input
              and  output  filenames  to  stdout.   The  output  is identic of
              filename.par, in case -f is used.

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

       filename
              Input  PIV  file.  Overrides  stdin  and  stdout. Output will be
              written to filename.pdf.  The  parameters  will  be  written  or
              appended  to  filename.par  and  may  be  used for future use by
              including them in ./gpivrc.

SEE ALSO

       gpivtools

NOTES

       stdin and stdout has still to be implemented.  [-f filename ]  will  be
       added.

AUTHOR

       Gerber Van der Graaf

BUGS

       The  program seems to work fine with real PIV data.  So far, no serious
       bugs have been found.

                                8 November 2006