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Re: Create smooth lines in IDL [message #68867 is a reply to message #68722]

Sun, 22 November 2009 17:36

ben.bighair
Messages: 221
Registered: April 2007

Senior Member

On Nov 22, 2:39 pm, "chenb...@gmail.com" <chenb...@gmail.com> wrote:
> Hello everyone,
>
> Does anyone have a routine in IDL to create smooth line using given
> vertexes?
>
> Have a nice weekend!
>
> Bo

Hi,

Take a peek at the built-in SPLINE function.

You can see an example (copied below) in the docs, but adding plot
seals the deal.
X = [2.,3.,4.]
Y = (X-3)^2
T = FINDGEN(20)/10.+2
Z = SPLINE(X,Y,T)
PLOT, X,Y
PLOTS, T,Z, PSYM = -6

Cheers,
Ben

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[Message index]

		Create smooth lines in IDL By: chenbo09@gmail.com on Sun, 22 November 2009 11:39
		Re: Create smooth lines in IDL By: chenbo09@gmail.com on Tue, 24 November 2009 11:32
		Re: Create smooth lines in IDL By: KRDean on Mon, 23 November 2009 07:23
		Re: Create smooth lines in IDL By: ben.bighair on Sun, 22 November 2009 17:36

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