Line of Sight in GIS

Line of Sight in GIS

Line of sight in GIS is a phrase used to described the unimpeded view or access from one point to another point across a terrain or surface. Visibility analysis is a spatial analysis of the portions of a line that are visible as opposed to not visible from a starting point.

Line of sight is used to understand the visible and obstructed (non visible) points in terrain which contains significant changes in elevation (in the form of mountains/hills and valleys).

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