https://communities.bentley.com/products/road___site_design/f/geopak-inroads-mx-openroads-forum/209708/mesh-surface-from-detailed-lidar-data-of-the-face-of-a-cliff-instead-of-a-dtmHello, I have situation where I don't think I can accurately model the existing conditions with a DTM. DTM definition meaning 1 Z value for a pair of XY coordinates. Well, picture the face of a cliff, there may be several Z values for one XY coordinateen-USTelligent Community 12