Which of the following is true about thin-plate splines for spatial interpolation?
A. The thin-plate splines method tends to produce steep gradients (overshoots) in data-poor areas.
B. The thin-plate splines method produces a minimum-curvature surface.
C. The thin-plate splines method produces smooth isolines.
D. All of these are correct
E. Both the thin-plate splines method produces a minimum-curvature surface and and smooth isolines.
Answer: D
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