nix4dPIX4Ddiscovery is free of charge, unlimited in time and lets Pix4D users process and assess their projects of any size with limited output results. PIX4Ddiscovery is free of charge. To use it, aImport data from other Pix4D software or a .las or .laz file to PIX4Dsurvey and bine multiple datasets into the same project. Work with both imagery data and LiDAR point clouds.