<Code Lib>
2025.3 Method
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TopographySurface.GetBoundaryPoints

Description:
Gets the points which are on the boundary of the topography surface.
Remarks:
This applies to TopographySurface, SiteSubRegion, and the topography surface associated with a BuildingPad element. For a SiteSubRegion, this returns the points from a representation of the region's boundary. For the topography surface associated with a BuildingPad element, this returns the points from the sketch of this topography surface.

public IList<XYZ> GetBoundaryPoints()

IList<XYZ> The collection of boundary points.

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