Home > Approximating Visibility

Confidence intervals

  • Unshaded (): almost certainly visible.
  • Lightly shaded (): probably visible.
  • Darkly shaded (): probably hidden.
  • Black (): almost certainly hidden.


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Approximating Visibility, GIScience 2000, Savannah, Georgia, USA, 30 Oct 00,       Wm. Randolph Franklin