Harmonizing datums and tectonic epochs in drone data using PROJ
            
        
        
            
                Dan Mahr
            
        
        
            
                A case study about how DroneDeploy implemented "Datum Harmonization" with PROJ and GDAL to reconcile RTK, PPK, and survey data in varying datums and epochs. This required using the ITRF tectonic motion model in PROJ to achieve sub-centimeter accuracy.
             
        
        
            Use Case and Applications
            Grand C