NAME

     smooth  - module to do fft smoothing of input data.

SYNOPSIS

     smooth [ -Nntap ] [ -Ootap ] [ -flat ] [ -velin ] [  -xgraph
     ] [ -nsnstr ] [ -nenetr ] [ -rsnrst ] [ -renred ] [ -dtmul ]
     [ -smsmth ] [ -yx ] [ -V ] [ -? ]

DESCRIPTION

     smooth is a routine to do fft smoothing of input data.   The
     amount  of  smoothing is controled by the  -sm  command line
     parameter.  The greater the value the greater the amount  of
     smoothing.   The  input  may  be  a   USP  format dataset or
     optionaly an x,y flatfile or an x,y,rec velin style flatfile
     or and x,y xgraph format file.

INPUT

     smooth gets both its data and parameters from  command  line
     arguments.  These arguments specify the input, output, start
     and end traces, start and end record, smoothing factor, data
     type flag and optional sample interval.  Verbose printout is
     available.

  Command line arguments
     -N ntap
          Enter the input data set name or file immediately after
          typing -N unless the input is from a pipe in which case
          the -N entry must be omitted.  This input  file  should
          include the complete path name if the file resides in a
          different directory.  Example -N/b/vsp/dummy tells  the
          program to look for file 'dummy' in directory '/b/vsp'.

     -O otap
          Enter the output data  set  name  or  file  immediately
          after  typing -O. This output file is not required when
          piping the output to another process. The  output  data
          set also requires the full path name (see above).

     -sm fact    [default: 3]
          Enter smoothing factor to use on data.  The greater the
          number the greater the smoothness of the output data.

     -ns nstr    [default: first trace]
          Enter start trace.

     -ne netr    [default: last trace]
          Enter end trace.

     -rs nrst    [default: first record]
          Enter start record.


     -re nred    [default: last record]
          Enter end record.

     -flat
          Enter the command line argument  -flat  if input is  in
          x,y flat file format.

     -velin
          Enter the command line argument  -velin  if input is in
          x,y,rec  velin   flat file format.

     -xgraph
          Enter the command line argument  -xgraph  if  input  is
          in x,y  xgraph  format

     -dt nsi     [default: 1]
          Enter sample interval to use in cubic spline interpola-
          tion if  -flat  or  -xgraph  is flagged [see above].

     -yx  Enter the command line  argument  '-yx'  to  cause  the
          second  column of input to be used as the x coordinate.
          The default is to use the first column of input for the
          x co-ordinate.

     -V   Enter the command line argument '-V' to get  additional
          printout.

     -?   Enter the command line argument  '-?'   or  -h  to  get
          online  help.   The  program  terminates after the help
          screen is printed.

BUGS

     unknown

AUTHOR

     Paul G.A. Garossino APR:3932

COPYRIGHT

     copyright 2001, Amoco Production Company
               All Rights Reserved
          an affiliate of BP America Inc.