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## Summary:

- Shall spatial interpolation better be performed on original values or on processed values?

## Main Question or Discussion Point

Let a set of values at several discrete points in 2D or 3D space be given. These values will be processed by an algorithm. At the end, processed values need not be known at the original locations but at grid points. Therefore, spatial interpolation needs to be applied.

Is there a general recommendation if spatial interpolation should better be performed on the original values before processing the values or on the processed values?

Is there a general recommendation if spatial interpolation should better be performed on the original values before processing the values or on the processed values?