View source for FD2MOD

{{ProgramDescription
|name_de=FD2MOD
|name=FD2MOD
|version=July 1996 
|version_descr=July 1996 
|catchwords=
utility program<br />
finite differences<br />
modifying the difference of two topographies<br />
|shortdescription=
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. 
|inputfiles=
# (req) general input data (filetype [[FD2MOD.DAT|fd2mod.dat]])
# (req) difference of two finite difference topographies which should be modified (filetype [[DTOPO.DAT|dtopo.dat]])
|outputfiles=
modified difference of two finite difference topographies (filetype [[DTOPO.DAT|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)
|preprocessor=
[[FD2DEL]]
|postprocessor=
[[FD2DEL]], FD2DTOP
|language=Fortran77
|add_software= - 
|contact_original=E. Rudolph
|contact_maintenance=[mailto:pre.proghome@baw.de working group PRE]
|documentation=$PROGHOME/examples/fd2mod 
}}