LAND SURVEY TOPOGRAPHY SECRETS

بشكل دوري (سلسلة زمنية) يمكن استخدامها لتغيير أو تحويل استخدام الأراضي.Aerial Photogrammetry – Particular overlapping aerial pictures are taken after which They are really analyzed to extract terrain info and produce elevation fashions.Calibration: Frequent calibration of survey tools is e