NAME

     memangs - Common Angle Sort

SYNOPSIS

     memangs [-Ninput] [-Ooutput] [-V] [-h]

DESCRIPTION

     memangs produces angle sorted  data  from  tau-P  data.  The
     inputs  are  USP-formatted  seismic records and command line
     arguments.  Program memangs interchanges traces and records.
     The  program  will try to do the sort in memory. If there is
     not enough memory available, the program will use  temporary
     scratch files for the sort.

     Programs angs and memangs are similar in sort,  but  memangs
     is  faster  when  performing the sort on a large memory com-
     puter. memangs is also much more economical when  run  on  a
     large memory computer; therefore, when memangs is invoked on
     the Cray-XMP or  on  the  Cray-C90,  it  will  actually  run
     remotely on the Cray-2.


  Command line arguments
     -Ninput
          Enter the name of the input dataset  after  typing  -N.
          This  is a USP-formatted tau-P dataset, usually created
          by program slnt.

     -Ooutput
          Enter the name of the output dataset after  typing  -O.
          This dataset will be a common angle sort and will be in
          USP-format.

     -V   Enter -V for a verbose printout.

     -h   Enter -h for online help.  Program will terminate after
          printing this.

BUGS

     None known.

SEE ALSO

     mbs, startjob,  beginjob,  endjob,  angs,  presort,  memsrt,
     sisort

AUTHOR

     N. D. Whitmore, Jr.

COPYRIGHT

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