Create DTM from TPC
Point cloud|Create DTM
Function to create a terrain model (. DTM) from a point cloud (. TPC).
Specify the Grid spacing that determines how close points should be in the terrain model you want to create.
Select the Rectangle or Polygon and select the part of the point cloud as a terrain model is created from.
Select Fill gaps to avoid gaps in the terrain model. If the grid spacing is small, there may be gaps. Select a space that is at least as close as the points are in the point cloud.