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Reading in an ASCII file written by a FORTRAN program
*To*: mathgroup at smc.vnet.net
*Subject*: [mg97517] Reading in an ASCII file written by a FORTRAN program
*From*: hayes.tyler at gmail.com
*Date*: Sat, 14 Mar 2009 18:13:04 -0500 (EST)
Hello All:
I didn't want to hijack another's thread about reading in fixed format
files into Mathematica and I was wondering if there is a way to read
FORTRAN written data.
For my thesis used FORTRAN code for my number
crunching, and used function calls to DISLIN to visualize that data.
Now I have Mathematica, whose graphics capabilities are well beyond
anything I could previously do, I would like to recreate and improve
those graphs. The way I created the files of data (which I always used
a .d extension, but it doesn't matter what that would be called) is
demonstrated below. Please note, this is NOT binary data, but text
output with no FORMAT. For example:
My FORTRAN code writes out:
open(unit=30,name=fnout,status='old')
write(30,'(a20)') fnmod
write(30,'(a20)') fnstr
write(30,*) nfault,hpl,vplx,vply,taua,tauf,amuu,
& tminn,tstepp,itime,TBIS,bulkms,ntm,ncycle,pdcy
write(30,*) ptrad
write(30,'(a1)') respfb
write(30,*) (timi(n), n=1,nfault)
write(30,*) (taub(n), n=1,nfault)
write(30,*) (delts(n), n=1,nf)
write(30,*) (cfr(n), n=1,nfault)
write(30,*) (dfr(n), n=1,nfault)
write(30,*) (slpdf(n), n=1,nf2)
write(30,*) (slpv(n), n=1,nfault)
write(30,*) (rhofcc(n), n=1,nfault)
write(30,*) (islip(n), n=1,nfault)
(NOTE: not all variables are the same length, some are strings, some
doubles, etc.)
I subsequently read back the data into FORTRAN as:
open(unit=30,name=fnin,status='old')
read(30,'(a20)') fnmod
read(30,'(a20)') fnstr
read(30,*) nfault,hpl,vplx,vply,taua,tauf,amuu,
& tminn,tstepp,ntime,TBIS,bulkms,ntm,ncycle,pdcy
read(30,*) ptrad
read(30,'(a1)') respfb
read(30,*) (timi(n), n=1,nfault)
read(30,*) (taub(n), n=1,nfault)
read(30,*) (delts(n), n=1,nf)
read(30,*) (cfr(n), n=1,nfault)
read(30,*) (dfr(n), n=1,nfault)
read(30,*) (slpdf(n), n=1,nf2)
read(30,*) (slpv(n), n=1,nfault)
read(30,*) (rhofcc(n), n=1,nfault)
read(30,*) (islip(n), n=1,nfault)
So, the big question then is: How would I go about reading in the
above unformatted Fortran file within Mathematica?
Thanks for any advice you may have.
Cheers,
t.
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