By a piece of land with a satellite receiver, satellite, GPS coordinates, picking up where the clear cut as otho Khanna., you can explore the area around it. At least 4 points on one image
(3 points, because the variable x, y,The other z 1 point to modify tolerances) Furthermore, there are a lot of photo enforcement pins are higher.
การแปล กรุณารอสักครู่..