matic4dPIX4Dmatic, the next generation photogrammetry software for professional drone and terrestrial mapping, has an exciting new release with which you can now merge multiple projects together as well as unlock indoorThere are three methods to import a tie point .csv or .txt file into PIX4Dmatic. One is accessible through the File tab in the main header, and the others are accessible from the Tie Points panel. [1] Go to the Menu bar and select File >