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Re: SMOOTH function for 3D [message #46423 is a reply to message #46418]

Mon, 21 November 2005 23:46

Bringfried Stecklum is currently offline

Bringfried Stecklum
Messages: 75
Registered: January 1996

Member

IDLmastertobe wrote:
> Hi, i'm working on smoothing 3D data. I can visualize a 3D object base on
> the data and rotate it . I have used SMOOTH function before to smooth 2D
> image and it worked fine. But now when I am using it for 3D as: result =
> SMOOTH(3Darray); and then use the result as my new 3D data, I observe no
> difference when I am visualizing it. It looked just like the original
> unsmoothed function. Does anyone know why? Thank you.
>

The syntax result =SMOOTH(3Darray) is wrong since a second argument is
required which indicates the smoothing width (scalar or vector). For smoothing
a 3D array in each direction the proper call would be, e.g.
result=SMOOTH(3Darray, [2,4,3])
which smoothes the data in the x-direction over two pixels, in y-direction over 4,
and in z-direction over 3 pixels.

regards,

Bringfried Stecklum

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[Message index]

		Re: SMOOTH function for 3D By: Rick Towler on Tue, 22 November 2005 10:16
		Re: SMOOTH function for 3D By: IDLmastertobe on Tue, 22 November 2005 01:20
		Re: SMOOTH function for 3D By: Bringfried Stecklum on Mon, 21 November 2005 23:46
		Re: SMOOTH function for 3D By: David Fanning on Mon, 21 November 2005 10:00

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