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Acronym for triangulated irregular network. A vector data structure that partitions geographic space into contiguous, nonoverlapping triangles.

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TIN interpolation from LiDAR point data excluding no-data areas (for water)

When I perform a TIN interpolation however, the no data parts (creeks) are still interpolated, which is probably skewing the resulting DTM. … I've tried using breaklines in the TIN interpolation to exclude the creek areas with no data points, but then the resulting image still includes this creek area (with very diverging elevations inside the …
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