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Re: (cG) windbarb problem [message #88158 is a reply to message #88157]

Tue, 25 March 2014 06:23

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

nata writes:

> I am using the Windbarb program and I am having the following problems:
>
> 1) The angle of the barb is not properly represented
> 2) The position of the barb is wrong
>
> I have reproduced both errors in the following example
>
> device, dec=0
>
> !p.background=255
> !p.color=0
>
> limit=[20.,-128.,53.,-65.]
>
> map_set, 0, 0, limit=limit, position=[0,0,1,1], /noborder, /isotropic, /mercator
>
> map_continents, /countries, /coasts
>
> windbarb, [-110], [35], [50.], [45.], length=0.2, color=[0,0,0]
>
> plots, [-110], [35], psym=1
>
> I was expecting the barb to be oriented 45 deg and it is not the case... Also, I was expecting the barb to start at the exact position -110, 35.
>
> Thank you in advance for your help,

Yes, there are probably all *kinds* of things wrong with that old
program. But, no time to work on it at the moment. Sorry.

It needs to be completely rewritten, I would think.

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thue. ("Perhaps thou speakest truth.")

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[Message index]

		(cG) windbarb problem By: natha on Tue, 25 March 2014 06:09
		Re: (cG) windbarb problem By: David Fanning on Tue, 25 March 2014 06:23
		Re: (cG) windbarb problem By: natha on Tue, 25 March 2014 06:26
		Re: (cG) windbarb problem By: Mats Löfdahl on Tue, 25 March 2014 06:32
		Re: (cG) windbarb problem By: natha on Tue, 25 March 2014 06:41
		Re: (cG) windbarb problem By: David Fanning on Tue, 25 March 2014 06:55
		Re: (cG) windbarb problem By: natha on Tue, 25 March 2014 07:40
		Re: (cG) windbarb problem By: David Fanning on Tue, 25 March 2014 06:39

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