Rift TD has significant Digital Terrain Modelling capabilities, including:

• Data import from DXF or ASCII survey files
• Node triangulation
• String support
• Extraction of longitudinal sections
• Extraction of cross sections
• Interpolation of nodes along strings for surface development
• Calculation of toe point locations for surface development
• Generation of complex surfaces
• Multiple model support
• Cut and fill calculations
• Merging of models
• Three dimensional visualisation