2d-spline interpolation with scattered data?

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patrick
patrick 2012-8-27
回答： Image Analyst 2016-12-26
hi forum,
i have scattered data and i used to extrapolate these to the area-borders (glacier-borders) with gridfit from the fe (bilinear interpolation) and it works great.
a colleague did a spline interpolation with the same dataset in arcgis. in matlab spline-interpolation is only available for gridded data (interp2, griddedinterpolant).
is there a possibility to do a 2d-spline interpolation with scattered data in matlab?

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回答（2 个）

Isabella Osetinsky-Tzidaki
https://www.mathworks.com/help/matlab/ref/griddata.html
Image Analyst
Image Analyst 2016-12-26
See attached demo.

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