How much G data is there in tilt photography 10 square kilometer?

10-20g. According to the local information network forum, there is 10-20g data within the square kilometer of tilt photography10. Mass data loading technology means that the data volume of tilt photography model is often very large, and the data volume of 10 square kilometer is between 10-20GB, so that the built-up area of small and medium-sized cities can reach dozens or even hundreds of GB.