Generates a multipatch feature class representing a skyline barrier or shadow volume. The barrier is in a sense a surface, and looks similar to a triangle fan formed by drawing a line from the observer point to the first vertex of the skyline, then sweeping the line through all of the vertices of the skyline. A skirt and base can optionally be added to form a closed multipatch, giving the appearance of a solid. It is possible to create this closed multipatch so that it can serve as a shadow volume. If the input is a silhouette (a multipatch feature class) rather than a skyline (a polyline feature class), then the multipatch is extruded into a shadow volume.

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See Also