More Options - Options for Gridding Initialization

The options for gridding initialization allow you to change the weighting in the minimum curvature gridding method. Select the Minimum Curvature gridding method from the Kernel Gridding window and then click <More Options>. A new window will open.

Click the down arrow in the right-hand corner of the window under Options for Gridding Initialization to view the list of available options. Use gridding initialization for scattered datasets or in areas with holes in input dataset coverage. In the upper right-hand corner of the window, under Options for Gridding Initialization, select one of the following three options:

Do not do initialization – Minimum curvature fitting proceeds immediately using input data values as a source for computation. This setting is the default since it is appropriate for most purposes.
With linear weighting function – Before minimum curvature fitting is applied, grid values are assigned to nodes using a weighting function. Weighting varies linearly with distance. Tends to produce evenly spaced contours and simpler structures than exponential weighting.
With exponent weighting function – Before minimum curvature fitting is applied, grid values are assigned to nodes using a weighting function. Weighting varies exponentially with distance. May be most appropriate for complex surfaces.

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