viewshed on unprojected DTM

is there way to calculate viewshed on unprojected DTM like SRTM ?.
actually run the calculation not in a straight line but on a great circle.

Answers

  • bmg_bobbmg_bob Global Mapper Programmer Posts: 2,026
    You are more likely to get a response if you post a more detailed description of what you are trying to accomplish.
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