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Interpolator options
Luc edited this page Oct 21, 2019
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The argument --interp_values is used to choose the interpolation method(s).
If this argument is not provided, the linear interpolation is used as the default interpolation for the lateral and longitudinal directions.
For advanced user, the interpolation methods implemented in TatooineMesher are:
--interp_values |
Lateral (= crosswise) | Longitudinal |
|---|---|---|
| Two Consecutive 1D interpolators | ||
LINEAR |
linear (degree 1) | linear (degree 1) |
B-SPLINE |
B-spline (degree 3) | |
AKIMA |
B-spline (degree 3) | |
PCHIP |
Piecewise Cubic Hermite Interpolating Polynomial (degree 3) | |
CUBIC_SPLINE |
Cubic spline (degree 3) | |
| Global 2D interpolator | ||
BILINEAR |
bilinear (2x degree 1) | |
BICUBIC |
bilinear (2x degree 3) | |
BIVARIATE_SPLINE (not checked) |
Smooth bivariate spline approximation (2x degree 3) | |
See the reference to have a look at the comparison of these methods on a validation test case.