基于MFC的區(qū)域三維地圖導(dǎo)覽系統(tǒng)研究與實(shí)現(xiàn)
[Abstract]:With the advance of "Smart City" and the development of geographic information industry, the trend of 3D, digitization and intellectualization of map is increasing day by day. At present, many places and units in our country, such as university campus, industrial park and so on, are working on the construction of regional 3D digital map. 3D digital navigation map is to use 3s technology (GPS, RS, GIS) to collect digital map information for a specific area. With the help of virtual reality technology, (Building Information Modeling) and so on, all the buildings, roads and environments in the area are digitized and three-dimensional, and then the attribute database of each feature information can be established by using GIS platform, which can realize the query of attribute information. Path navigation analysis and other functions of intelligent new map. Taking the map of university campus as an example, many colleges and universities have established the three-dimensional map which is based on the browser display with fixed 45 擄inclination angle. Strictly speaking, this kind of map is not a true three-dimensional map. Redeveloping the 3D map system platform which can query, locate and roam freely will cost a lot of manpower and material resources, so it is too extravagant for the construction of small scale digital 3D map. Therefore, it is a compromise choice to develop an independent system based on a mature three-dimensional GIS platform. The main content of this paper can be divided into two parts. One is to analyze and compare the 3D modeling technology, combining with the regional digital topographic map measured by 3s technology. Several popular 3D modeling software are used to build regional DEM and regional 3D model. The second is to select Google Earth as the three-dimensional GIS platform, using the MFC technology to call the Google Earth COM API interface, to integrate the established 3D model with the GIS platform, and to make the related KML files for overall encapsulation. In order to complete a portable independent regional 3D map navigation system. Through the establishment of a regional 3D map navigation system, the regional map can be digitized and true three-dimensional, and a series of functions such as free roaming, path planning, regional location, attribute query and analysis can be realized on the Google Earth 3D GIS platform.
【學(xué)位授予單位】:合肥工業(yè)大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類號(hào)】:P208
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