comp.lang.idl-pvwave archive: archive » Re: Q: IDL and endianness issues

Home » Public Forums » archive » Re: Q: IDL and endianness issues

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: Q: IDL and endianness issues [message #19686]

Thu, 13 April 2000 00:00

Nando Iavarone
Messages: 48
Registered: December 1998

Member

<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
<html>
Ossi Vaananen wrote:
<blockquote TYPE=CITE>Hi!
Let's say I have a binary file with known structure, and
 the file is written on a little-endian machine. Then I want
 to read it again on a big-endian machine. How do I do it?
If endianness was no problem, I could do this simply by
 creating a structure with contents that match the alignment
 of the different data types in the binary file, and then
 read data to it from the file with READU.
In Matlab, files can be opened with the endianness of the
 file explicitly given as an argument to fopen. In IDL manuals
 I saw no reference to such a feature in IDL.
The question is, does there exist a built-in feature in IDL
 that somehow allows endianness-specified file I/O?
All the best,
Ossi Vaananen
 Espoo, Finland</blockquote>
see 'BYTEORDER' procedure and the 'SWAP_ENDIAN' function.
 bye.
  
<pre>-- 
Nando Iavarone
Advanced Computer System - SPACE DIVISION
via Lazzaro Belli, 23
00040  Frascati - RM
Tel: +39-6-944091 (switchboard)
           9440968 (direct)
E-mail: 
    f.iavarone@acsys.it
    FrdndVrn@altavista.net</pre>
 </html>

Report message to a moderator

[Message index]

		Re: Q: IDL and endianness issues By: Nando Iavarone on Thu, 13 April 2000 00:00
		Re: Q: IDL and endianness issues By: Liam E. Gumley on Tue, 11 April 2000 00:00
		Re: Q: IDL and endianness issues By: Paul van Delst on Tue, 11 April 2000 00:00
		Re: Q: IDL and endianness issues By: Ed Santiago on Tue, 11 April 2000 00:00
		Re: Q: IDL and endianness issues By: John-David T. Smith on Tue, 11 April 2000 00:00

Previous Topic:	Re: widget function returns an array
Next Topic:	widget function returns an array

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Sat Oct 11 06:54:19 PDT 2025

Total time taken to generate the page: 0.48001 seconds