Road Data Collection with Kinematic GPS and Calculation of Relevant Parameters
Yao Lian · 2002
In the investigation of China present road state, the linear data collection and calculation of relevant parameters are very important. In this paper, kinematic GPS survey has been used in the collection of road linear data. After post data processing, the accurate coordinates of main points of the road are determined. The method of calculation of parameters of lines and circle curves are discussed in detail. This method needs not input approximate value of parameters, and it is simple and easy to use. At first, the parameters of approach curve are calculated by adjusted line parameters and circle curve parameters, then method for dealing with connection of line to circle curve or to approach curve is given. The method in this paper has been testified at out loop road in Shanghai and the results show that this method is practical.