| Re: Minor Log Ticks Missing [message #54157] |
Thu, 24 May 2007 15:35 |
news.qwest.net
Messages: 137
Registered: September 2005
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Senior Member |
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"David Fanning" <news@dfanning.com> wrote in message
news:MPG.20bfa5463ac16d8a989fb9@news.frii.com...
> Hi Folks,
>
> What do you make of this? Pay particular attention to the part of
> the plot above 1d39. Anybody have any ideas what is going on
> here, or how to fix it?
>
> IDL> plot,[0],[0],xrange=[0,10],yrange=[1d35,1d41],/ylog
Interesting. Looks like they still have a float somewhere in the ylog
part of the code. oops.
IDL> plot,[0],[0],xrange=[0,10],yrange=[1d35,1d41]
IDL> plot,[0],[0],xrange=[0,10],yrange=[1d35,1d41],/ylog
Program caused arithmetic error: Floating overflow
The first looks fine, it has the minor ticks. With ylog, they disappear.
Cheers,
bob
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| Re: Minor Log Ticks Missing [message #54162 is a reply to message #54157] |
Thu, 24 May 2007 13:54  |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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Brian Larsen writes:
> Well thats just annoying isn't it. After playing with it a touch what
> jumps out at is that this is remarkably close to the "top" of what a
> float can do. You specified double but that doesn't mean IDL
> listened.
Yes, I think it is a "double" problem myself. Didn't this
get fixed sometime in the recent past? I remember something,
but can't remember what I remember. :-(
Cheers,
David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")
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