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Re: 3D congrid without interpolation [message #53439 is a reply to message #53438]

Thu, 12 April 2007 15:40

Michael Galloy
Messages: 1114
Registered: April 2006

Senior Member

On Apr 12, 3:19 pm, David Fanning <n...@dfanning.com> wrote:
> Humm. Hard for me to imagine what you are using to
> do this that is interpolating anything for you.
> CONGRID is normally used, but that won't interpolate
> unless you explicitly tell it to.

CONGRID interpolates 3-dimensional arrays by default. From the online
help for the INTERP keyword for CONGRID:

INTERP
Set this keyword to force CONGRID to use linear interpolation when
resizing a 1- or 2-dimensional array. CONGRID automatically uses
linear interpolation if the input array is 3-dimensional. When the
input array is 1- or 2-dimensional, the default is to employ nearest-
neighbor sampling.

Mike
--
www.michaelgalloy.com

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[Message index]

		Re: 3D congrid without interpolation By: James Kuyper on Sat, 14 April 2007 10:59
		Re: 3D congrid without interpolation By: JD Smith on Fri, 13 April 2007 18:00
		Re: 3D congrid without interpolation By: David Fanning on Fri, 13 April 2007 17:33
		Re: 3D congrid without interpolation By: JD Smith on Fri, 13 April 2007 15:57
		Re: 3D congrid without interpolation By: Mike[2] on Fri, 13 April 2007 08:21
		Re: 3D congrid without interpolation By: Qing on Thu, 12 April 2007 19:45
		Re: 3D congrid without interpolation By: David Fanning on Thu, 12 April 2007 17:30
		Re: 3D congrid without interpolation By: Michael Galloy on Thu, 12 April 2007 15:40
		Re: 3D congrid without interpolation By: David Fanning on Thu, 12 April 2007 14:19
		Re: 3D congrid without interpolation By: mxhamidi on Mon, 16 April 2007 11:43
		Re: 3D congrid without interpolation By: JD Smith on Mon, 23 April 2007 09:53

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