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Re: [SCIRUN-USERS] interpolation

Chronological Thread 
  • From: David Weinstein <>
  • To:
  • Cc:
  • Subject: Re: [SCIRUN-USERS] interpolation
  • Date: Tue, 30 Aug 2005 14:07:26 -0600

Hi Leon,

I believe we used to have support for "weighted N nearest neighbors" interpolation somewhere -- we'll try to track down and resuscitate that code.


On Aug 29, 2005, at 7:52 PM, wrote:


I am trying to interpolate a potential field, from data measured from 83
electrodes in a section of cardiac tissue, onto a mesh with about 10201 nodes.

I prepared a ".pts" file containing the electrode positions, then use the
"TextToPointClouldField" converter. And for the 83 potential
measurements, I used the converter "TextToColumnMatrix".
I then used the "ManageFieldData" module to combine the data. Then with
this combined data, and the mesh, I used the "DirectMapping" module.
But when I displayed the resulting field, it appeared too coarse (a
pattern of squares).
How could I make the interpolation more smoother?


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