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Problems Interpolating Directional Scatter Data to Mesh


Kevin
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Directional Scatter Data range from 0 degrees to 360 degrees. When interpolating this data to the mesh, SMS will provide strange results when adjacent scatter data is near the 0 degrees (some points are slightly more than 0 and others slightly less, say 355). In cases like this, the direction may be wrongly mapped to the mesh as approximately 180 degrees. The three interpolation methods (linear, Inverse Distance Weighted, and Natural Neighbor) do give different results, but all are wrong. Any ideas for how to get a proper interpolation in cases like this?

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Kevin,

Have you tried interpolating the vector data by breaking it into Vx and Vy components rather than magnitude and direction? Let me know if this works for you or you need the steps to do it.

- John

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