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Re: Fitting 3D spline to an x,y,z point cloud [message #52892]

Thu, 08 March 2007 02:08

Paolo Grigis
Messages: 171
Registered: December 2003

Senior Member

You could try to minimize the sum of the squares of the distances
from each of your points to the trend line. For the minimization,
you could use TNMIN.

Ciao,
Paolo

Thomas Launey wrote:
> Hi all,
>
> I need to fit a spline to a 3D point cloud, where the points are
> basically along a smooth curve, with a bit of noise. I have always
> succesfully used MPfit for all my 2D fitting but here, I am not sure
> where to start. Any help or pointers would be most welcome.
> Thanks,
> Thomas
>
> Thomas LAUNEY, PhD
> Lab. for Memory & Learning, RIKEN Brain Science Institute. Wako-shi,
> Japan
>

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Re: Fitting 3D spline to an x,y,z point cloud

By: Paolo Grigis on Thu, 08 March 2007 02:08

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