Choosing Methods Based on the Number of XYZ Data Points

The size of your input data set should be considered when selecting a gridding method. For example, some gridding methods interpret small data sets more effectively than others do. Surfer needs a bare minimum of three non-collinear X, Y, and Z points to perform the gridding process.

 

 

See Also

Grid Data

Gridding Methods

General Gridding Recommendation

Creating a Grid File from an XYZ Data File

Exact and Smoothing Interpolators

Grid Function

Producing a Grid File from a Regular Array of Z Values

Weighted Averaging

Anisotropy