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Re: Backlogged question: Drawing vector fields with same scaling in New Graphics [message #92293 is a reply to message #92292]

Thu, 12 November 2015 08:29

chris_torrence@NOSPAM is currently offline

chris_torrence@NOSPAM
Messages: 528
Registered: March 2007

Senior Member

On Wednesday, November 11, 2015 at 3:41:43 PM UTC-7, tianhuachengyue wrote:
> Hi Chris,
>
> I tried setting v2.length_scale = const*vmag2/vmag1 and now the plots are working perfectly. Thanks for the solution!
>
> BTW, I also tried vmag = mean(sqrt(vx^2+vy^2)) but this didn't work correctly. Any trick behind using vmag = max(sqrt(vx^2+vy^2)) instead using mean(sqrt(vx^2+vy^2))? It seemed to me the vector plot setting is related to the maximum value of vector magnitude.
>
> Cheers,
> Huazeng

Hi Huazeng,
Yes, you are correct - it is using the maximum magnitude. Using the mean would be a bad idea, as your maximum vectors might be huge but still have a reasonable mean. You can actually see a lot of this code yourself, in idlitvisvector__define.pro.
Cheers,
Chris

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[Message index]

		Backlogged question: Drawing vector fields with same scaling in New Graphics By: tianhuachengyue on Mon, 02 November 2015 18:02
		Re: Backlogged question: Drawing vector fields with same scaling in New Graphics By: chris_torrence@NOSPAM on Mon, 09 November 2015 09:20
		Re: Backlogged question: Drawing vector fields with same scaling in New Graphics By: tianhuachengyue on Wed, 11 November 2015 14:15
		Re: Backlogged question: Drawing vector fields with same scaling in New Graphics By: tianhuachengyue on Wed, 11 November 2015 14:41
		Re: Backlogged question: Drawing vector fields with same scaling in New Graphics By: chris_torrence@NOSPAM on Thu, 12 November 2015 08:29

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