Items under Main menu > DTM give access to the DTM (Digital Terrain Modeling) functions of the integrated Albion CAD:
•For a detailed description, see Albion 6 CAD User Guide > Main Menu > Tools > DTM.
•Note some of the above such as Update Elevations for GIS Layer, Find Lowest Points for Polygon Layer and Shade are HydroSWMM specific DTM modelling functions (i.e. not available in Albion), which will be discussed in the section on performing special operations on the system.