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FD2MOD

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Basic Information

Name of Program

FD2MOD

Version-Date

July 1996

Description-Date

July 1996

Catchwords

utility program
finite differences
modifying the difference of two topographies

Short Description of Functionality

With the program fd2mod you can modify the difference between two finite difference topographies dtopo.dat in various ways. dtopo.dat is a result of the program fd2del. The result of fd2mod can be used as input for fd2del again.

Input-Files

  1. (req) general input data (filetype fd2mod.dat)
  2. (req) difference of two finite difference topographies which should be modified (filetype dtopo.dat)

Output-Files

modified difference of two finite difference topographies (filetype dtopo.dat)

Methodology

In addition to program fd2del an specified area of the difference of two finite difference topographies ZD is modified according to the following rules:

  • 7: ZD(i) = ZD(i) + MODWERT (add a constant value)
  • 8: ZD(i) = MODWERT (give a constant value)
  • 9: ZD(i) = ZD(i) + ZD(i) * MODWERT/100. (add a percentage of the original value)
  • 10: ZD(i) = ZD(i) + MODWERT or ZD(i) = 0.0 (add a constant value, but don't deepen the original topography)

Program(s) to run before this Program

FD2DEL

Program(s) to run after this Program

FD2DEL, FD2DTOP

Additional Information

Language

Fortran77

Additional software

-

Original Version

E. Rudolph

Maintenance

E. Rudolph

Documentation/Literature

$PROGHOME/examples/fd2mod


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