Research on the Parametric Data Acquisition Technology for Rural Real Estate Fieldwork

Abstract

Rural houses are frequently changed and the data update takes much time and effort. Concerning the lack of software for real estate surveying and mapping fieldwork, and the difference of interaction between mobile devices and ordinary computer, the parametric data acquisition technology for rural real estate fieldwork is presented in this paper. Firstly, the technology flow of parametric automatic mapping based on screen hand-drawn sketches is designed. Then, the key algorithms of automatic recognition of hand-drawn sketch structures, automatic construction of dimension chains, and automatic parametric drawing are overcome. Finally, the Android platform software with the above functions is developed. And the experiment is designed to verify the functions and performance of the system. The results show that the technology can realize the realtime mapping, and can improve the mapping fieldwork efficiency.