Visibility Analysis

 This week I completed 4 exercises to learn how to use 3D visualization, perform line-of-sight and viewshed analysis, and share 3D content. The most interesting tools and requirements I learned from the exercises are listed below.

  • Local Scenes:
    • can be used to display subsurface data
  • Extrusion:
    • displays 2D data as a 3D layer (works on points, lines, and polygons)
  •     Requirements for uploading a 3D scene:
    • must be a scene layer with multipatch data
    • layer must use absolute heights for feature elevation (cannot be defined on the ground or relative to the ground)
    • if the multipatch content is projected then the layers x and y units need to match the z units

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