When would one use Out Areas in Breakline Enforcement?

Out areas are used to create void areas in the TIN, resulting in No Data values in the exported DEM raster. One may wish to do this for:

  1. Waterbodies
  2. Perhaps for sensitive areas
  3. To not generate contours in the interior of buildings
  4. If the project area is a corridor or oddly shaped, then one can digitize polygons over areas with no data and use the out area option to ensure incorrect values of stretched triangles do not get used in those areas outside of the data. See #12. How can you stop the edge of the Project TIN from bleeding? in the LP360 FAQs.

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