Application of Handheld GPS to Land-use Database Updating
Ren Dongfen · Geospatial Information · 2011
At present,the second national land survey is a great mission for the homeland department.Field survey in the recovering the land is a very important step.The traditional survey methods took too much time and energy,and were difficult to measure the area or length and record results implementation program rapidly and accurately.This paper discussed the advantages and development prospects of the handheld GPS in field data acquisition and land updating.We put forward a simple and new method planting the result of handheld GPS absolute orientation in a topographic map,and it greatly enhanced the practicality in the land used database updates.