SierraSoft Land is a BIM software for land 3D modeling and analysis With SierraSoft Land, you can handle land survey of any size carried out with various types of tools, such as total stations, GPS, laser scanners or drones. The BIM functions of SierraSoft Land allow you to produce, modify, share, and analyze topographic information models. Restitution and information modeling occur simultaneously with a strong optimization of activities and cost containment. In one product you have all the tools for land survey restitution and analysis, information modeling and quantities calculation.