[vtkusers] Is there a filter that can interpolate unstructed data to structed data? like griddata() in MATLAB

[宋江山]

Hi,
Is there a filter that can interpolate unstructed data to structed data?
like griddata() in MATLAB.

for example:
i know three points: a(1,1)=1; a(1,3)=2; a(3,3)=3;
how can I interpolate the data so that i can get a(1:3,1:3)?


-- 
Best wishes,
Jiangshan
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