comp.lang.idl-pvwave archive: archive » Re: opening/reading binary data

Home » Public Forums » archive » Re: opening/reading binary data

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

Re: opening/reading binary data [message #7177]

Tue, 08 October 1996 00:00

hto
Messages: 15
Registered: April 1996

Junior Member

rawlins@strauss.udel.edu (Michael Alf Rawlins) wrote:

> Hi All,

> I'm somewhat of a novice with IDL, and am having some trouble reading
> a data file stored in binary mode. The data file is the etopo5
> elevation data. We run a Sun Sparc machine with SunOS 5.4 (UNIX)

> In IDL I did:
>
> IDL>openr,1,'Global/dem/etopo5.dat',f77_unformatted
> IDL>dat=fltarr(540,4320)
> IDL>readu,1,dat
>

I believe that etopo5 contains integer data -- 16 or 32 bit in feet or
meters. Try using either integer (16 bit) or long (32 bit) type in
IDL. If you can't solve it, let me know. I've read the file using
IDL but it was a long time ago. I can try to find the code.
Howard Onishi

Report message to a moderator

[Message index]

		Re: opening/reading binary data By: hto on Tue, 08 October 1996 00:00
		Re: opening/reading binary data By: Liam Gumley on Mon, 07 October 1996 00:00

Previous Topic:	Calling IDL(RSI) 4.01 from BC++4.51
Next Topic:	Bug in Box_cursor?

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Thu Oct 09 22:46:31 PDT 2025

Total time taken to generate the page: 0.00268 seconds