VF Map Extrapolation

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• Improve the VF map by extrapolating the data outwards to always fill the screen to the edges. This will most likely involve taking the outer most points of the VF map and use them as the basis of the extrapolation.
• Any solution needs to take into account that the VF map points may define more than one area of sight loss and may form non convex (concave!) shapes ideas
• tagging the points with different types i.e. 0 = real point, 1 = display edge point, etc
• create convex hull around all points and copy, scale, repeat the points on the hull.
• Algorithms:
  • https://www.codeproject.com/Articles/1210225/Fast-and-improved-D-Convex-Hull-algorithm-and-its
  • https://www.geeksforgeeks.org/quickhull-algorithm-convex-hull/