comp.lang.idl-pvwave archive: archive » Re: the sky is falling down again

Home » Public Forums » archive » Re: the sky is falling down again

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

Re: the sky is falling down again [message #52373 is a reply to message #52359]

Tue, 30 January 2007 07:01

Paolo Grigis
Messages: 171
Registered: December 2003

Senior Member

Reimar Bauer wrote:
> Hi all
>
> here is another example which is very funny if you see it the first time
>
> a=indgen(10)*1D-7
> b=a
> plot,a,b,psym=1
> oplot,[0,10],[0,10]
>
> because the coordination system is defined by plot it could be a bug too
> and not only a question about precisions
>
>
> Any idea what is happen here?

I think that maybe plot tries to find out the pixel coordinates
corresponding to the far end of the line. If it uses long, signed
integers for that, then it will overflow around pixel 2^31, which
seems roughly where the line is supposed to be with your settings
(which should be something like 500 pixel times 10 divided by 1d-6).

Ciao,
Paolo

>
> Cheers
> Reimar
>
>
>

Report message to a moderator

[Message index]

		Re: the sky is falling down again By: JD Smith on Wed, 31 January 2007 12:15
		Re: the sky is falling down again By: David Fanning on Wed, 31 January 2007 11:53
		Re: the sky is falling down again By: news.qwest.net on Wed, 31 January 2007 11:37
		Re: the sky is falling down again By: news.qwest.net on Wed, 31 January 2007 11:33
		Re: the sky is falling down again By: Bob[3] on Wed, 31 January 2007 11:28
		Re: the sky is falling down again By: Mike[2] on Wed, 31 January 2007 11:04
		Re: the sky is falling down again By: Mike[2] on Wed, 31 January 2007 10:54
		Re: the sky is falling down again By: news.qwest.net on Wed, 31 January 2007 10:52
		Re: the sky is falling down again By: Bob[3] on Wed, 31 January 2007 10:40
		Re: the sky is falling down again By: David Fanning on Wed, 31 January 2007 10:30
		Re: the sky is falling down again By: news.qwest.net on Wed, 31 January 2007 10:09
		Re: the sky is falling down again By: R.Bauer on Wed, 31 January 2007 05:35
		Re: the sky is falling down again By: Kenneth Bowman on Tue, 30 January 2007 06:11
		Re: the sky is falling down again By: JD Smith on Tue, 30 January 2007 09:51
		Re: the sky is falling down again By: Foldy Lajos on Tue, 30 January 2007 09:01
		Re: the sky is falling down again By: news.qwest.net on Tue, 30 January 2007 08:28
		Re: the sky is falling down again By: edward.s.meinel@aero. on Tue, 30 January 2007 07:53
		Re: the sky is falling down again By: Vince Hradil on Tue, 30 January 2007 07:05
		Re: the sky is falling down again By: Paolo Grigis on Tue, 30 January 2007 07:01
		Re: the sky is falling down again By: Haje Korth on Tue, 30 January 2007 06:29
		Re: the sky is falling down again By: JD Smith on Wed, 31 January 2007 12:17
		Re: the sky is falling down again By: R.Bauer on Thu, 01 February 2007 04:26
		Re: the sky is falling down again By: edward.s.meinel@aero. on Thu, 01 February 2007 10:58
		Re: the sky is falling down again By: R.Bauer on Thu, 01 February 2007 04:45

Previous Topic:	Removing fields from a structure
Next Topic:	the sky is falling down again

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Fri Oct 10 15:53:55 PDT 2025

Total time taken to generate the page: 1.12020 seconds