With the rapid development of highway, highway green management in the protection of its use is very important. Geographical information systems for a variety of analysis functions based on a variety of spatial data and attribute data, the accuracy of the data acquisition and data has become an important step in the geographic information system. Beijing expressway management scope of work includes the central isolation belt, green conservation of the slope, inside and outside the platform, the bridge areas, service areas, toll booths, etc., this part of the existing data is not comprehensive enough, we need to re-field measurements and surveys, taking into account Beijing highway range and accuracy of the data survey requirements, combined with GPS and total station, design of field measurement program at the advantages and disadvantages. The field measurement data and the existing CAD data, to achieve the requirements of the system database design. Beijing highway greening management systems for specific functions. |