Hello, I have an STL surface file. The data were sampled on 50 selected points only (wind tunnel test). I want to visualize the field as a contour on the STL file. I know basic stuff on how to use VTK python library. But this task I want it involves: interpolating the field inside the probes-…

The vtkPointInterpolator with a Gaussian Kernel (or other kernel) is an alternative method to interpolate and extrapolate a bit more smoothly. import vtk import numpy as np points_reader = vtk.vtkDelimitedTextReader() points_reader.SetFileName('points.txt') points_reader.DetectNumericColumnsOn() p…

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INTERPOLATE ON STL: Plotting scalar field on 50 points on An 70000-points STL surface