writing fortran equivalent binary file using python

Sudheer Joseph sjo.india at gmail.com
Thu Nov 14 15:35:43 CET 2013


Thank you,
                      But it wont allow to write it in unformatted way so
that the fortran code can read

with

open(11,file="input.bin")
read(11) IWI,JWI,XFIN,YFIN,DXIN,DYIN,NREC,WDAY

with best regards,
sudheer


On Thu, Nov 14, 2013 at 7:48 PM, Oscar Benjamin
<oscar.j.benjamin at gmail.com>wrote:

> On 14 November 2013 00:53, Sudheer Joseph <sjo.india at gmail.com> wrote:
> > My trial code with Python (data is read from file here)
> >
> > from netCDF4 import Dataset as nc
> > import numpy as np
> > XFIN=0.0,YFIN=-90.0,NREC=1461,DXIN=0.5;DYIN=0.5
> > TITLE="NCMRWF 6HOURLY FORCING MKS"
> > nf=nc('ncmrwf_uv.nc')
> > ncv=nf.variables.keys()
> > IWI=len(nf.variables[ncv[0]])
> > JWI=len(nf.variables[ncv[1]])
> > WDAY=nf.varlables[ncv[2]][0:NREC]
> > U=nf.variables[ncv[3]][0:NREC,:,:]
> > V=nf.variables[ncv[4]][0:NREC,:,:]
> > bf=open('ncmrwf_uv.bin',"wb")
> > f.write(TITLE)
> > f.write(IWI,JWI,XFIN,YFIN,DXIN,DYIN,NREC,WDAY)
> > for i in np.arange(0,NREC):
> >     f.write(U[i,:,:],V[i,:,:])
> > f.close()
> >
> > But the issue is that f.write do not allow multiple values( it allows
> one by one so throws an error with above code ) on same write statement
> like in the fortran code. experts may please advice if there a solution for
> this?
>
> Can you just call write twice? e.g.:
>
> f.write(U[i,:,:])
> f.write(V[i,:,:])
>
>
> Oscar
>



-- 
with best regards

Sudheer

**********************************************************************************
Dr. Sudheer Joseph

Scientist

INDIAN NATIONAL CENTRE FOR OCEAN INFORMATION SERVICES (INCOIS)
MINISTRY OF EARTH SCIENCES, GOVERNMENT OF INDIA
"OCEAN VALLEY" PRAGATHI NAGAR (BO)
OPP.JNTU, NIZAMPET SO
Andhra Pradesh, India. PIN- 500 090.
TEl:+91-40-23044600(R),Tel:+91-9440832534(Mobile)
Tel:+91-40-23886047(O),Fax:+91-40-23892910(O)
E-mail: sudheer.joseph at yahoo.com;  sjo at incois.gov.in.
Web- http://oppamthadathil.tripod.com
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