Radial Basis Function interpolation is a diverse group of data interpolation methods. In terms of the ability to fit your data and produce a smooth surface, the Multiquadric method is considered by many to be the best. All of the Radial Basis Function methods are exact interpolators, so they attempt to honor your data.
How do you know which interpolation method to use?
The location of the points and the point values form the basis for interpolation.
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Choosing the Right Interpolation Method
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Choosing the Right Interpolation Method
- The quality of sample point set can affect choice of interpolation method as well. ...
- The real-world knowledge of the subject matter will initially affect which interpolation method to use.
Which interpolation method is best for elevation?
Today, perhaps the most widely used technique for interpolating elevation from contours is Hutchinson's ANUDEM algorithm, which can be used in the ArcGIS system via the TOPO TO RASTER command. This interpolation method not only uses contours, but also uses surface drainage lines such as streams and rivers.
