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Re: Reading fortran [message #64046 is a reply to message #45591]

Mon, 01 December 2008 07:39

Norbert Hahn
Messages: 46
Registered: May 2003

Member

"R.G. Stockwell" <nothanks@noemail.com> wrote:

>
> "Andres" <panblosky@gmail.com> wrote in message
> news:2ee32df7-524b-4cc9-901f-40ec0fe87288@f40g2000pri.google groups.com...
>> Hi all,
>>
>> perhaps it is an easy one, but I am having problems reading the
>> following in IDL:
>>
>> open(11,file='file_name',form='unformatted')
>> rewind 11
>> do i3=1,np3
>> write(11) ((delta(i1,i2,i3),i1=1,np1),i2=1,np2)
>> end do
>> close(11)
>
> wild guess, but i'd say it looks like you are writing
> a 3D array in binary, and i'll guess it is a floating point number array.

Fortran writes the number of bytes of each logical record implicitly to
the data, so ...
> so in IDL do
>
> datain = fltarr(np1, np2, np3)
>
> openr,1,'filename'

openr,1,'filename', /F77_UNFORMATTED

should be added to make IDL aware of the additional bytes in the records.

Norbert

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[Message index]

		Reading fortran By: panblosky on Tue, 20 September 2005 02:54
		Re: Reading fortran By: Norbert Hahn on Mon, 01 December 2008 07:39
		Re: Reading fortran By: R.G. Stockwell on Fri, 28 November 2008 14:24
		Re: Reading fortran By: David Fanning on Thu, 27 November 2008 08:39
		Re: Reading fortran By: panblosky on Thu, 27 November 2008 08:37
		Re: Reading fortran By: Jean H. on Thu, 27 November 2008 08:06
		Re: Reading fortran By: Jean H. on Thu, 27 November 2008 08:05
		Re: Reading fortran By: Peter Clinch on Thu, 27 November 2008 08:04
		Re: Reading fortran By: David Fanning on Thu, 27 November 2008 07:51

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