Toposurface or Topographical surface is created by using Toposurface Tool located on Massing & Site Tab. This tool allows us to create Site Topography in complete three dimensions. We can study slopes, identify buildable areas, plan out roads and paths. We can identify areas of potential problem as well as areas of opportunity. In a way, we can perform the Site Analysis in a fair amount of detail. In a situation, where you are working on a project, that is on a large piece of land and has great complexities, site planning is done using other software such as Autodesk Civil 3D

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