The Radial Basis Function (RBF) three-dimensional block-modeling algorithm is a tool for creating smooth models based on XYZG data. RBF models are smoother (and more aesthetically pleasing) than those produced by other algorithms such as the anisotropic inverse distance weighting method.

This method uses a process called “Gaussian Elimination” in conjunction with a mathematical tool called the “Radial Basis Function” to determine the influence of control points upon the estimation of the voxel values.

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