Hello.
I have a question regarding BicubicSplineInterpolator .
I have to visualize measured data using interpolation.
The BicubicSplineInterpolator documentation says :
xval - All the x-coordinates of the interpolation points, sorted in
increasing order.
yval - All the y-coordinates of the interpolation points, sorted in
increasing order.
fval - The values of the interpolation points on all the grid knots:
fval[i][j] = f(xval[i], yval[j]).
I have about 20 probes of x,y,z tuples. x,y is the location. z is the
measured value.
If I would order the tuples by x, I have no order in y and vice
versa.
Ordering x without y (and vice versa) would destroy the correct z
assignment.
How do I feed the interpolator with my data ?
This interpolator requires that the samples are taken on a
regular grid; that's what the documentation tries to indicate.
If you have a random cloud of points, you could try the
"MicrosphereInterpolator" for which there is no such requirement.
Best regards,
Gilles
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