Hi, If you want to create a DTM for visualization only the Scalable Terrain Model is the best option (see communities.bentley.com/.../6276.scalable-terrain-model-stm.aspx ), especially if the point clouds contains a lot of points/cover a big area. Note that when creating a STM from a classified POD files only the points classified as ground are imported. Thus you could remove unwanted information by using the Descartes' Edit Classification tool. HTH Mathieu
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