Specialising in the design and programming of technical applications since 1987, Aplitop provide CAD-based solutions for surveying and civil engineering.

TcpMDT provides a CAD-based means to model a terrain using captured points, and to create profiles, cross-sections, calculate volumes, and display the data in 3D.

TcpTUNNEL provides a CAD-based environment to process point data, draw cross-sections, create tunnel meshes, and compute overbreak areas and volumes.