In recent years, voluntary geographic information (Volunteered geographic information, VGI) has become an important source of geographic information in the field of information, which is characterized by low-cost, real-time updates and informative article from the internet to retrieve OpenStreetMap (OpenStreetMap, OSM) experiment Campus dimensional constructional model district Jiaotong University for professional Air photo image using the drawing of the construction was compared with the constructional information OSM in the strength of the masses created from construction material base geometry, height attribute information, and other-oriented investigate data quality, the purpose of the establishment of OSM Builds the model validation process and verify its accuracy, and then discuss the pros and cons and complementarities between the two.
正在翻譯中..