基于Shape格式转换NDS显示数据的设计与实现

发布时间：2018-06-02 20:32

本文选题：汽车导航 + NDS　；参考：《东北大学》2016年硕士论文

【摘要】：近年来,随着我国经济实力和人们生活水平的提高,汽车行业也迎来了具大的发展,据公安部统计,截止2014年11月27日,全国拥有汽车1.54亿辆,仅次于美国,居世界第二位。但我国拥有汽车驾驶资格证的人数已经达到2.44亿,位居世界第一。从这些数据可以看出,国内市场的汽车市场非常广阔。与此同时,随着城市化建设的推进,城市发展速度越来越快,道路建设更是呈现出一番日新月异的景象,道路变得越来越复杂,数据量也变的非常庞大。车辆的增加和道路的变化使得传统的地图已经无法适应,由此新一代汽车导航技术产生了,它集成通信、电子、导航、互联网、安全等多个领域,形成新的智能化汽车导航系统。地图数据作为导航系统中不可缺少的一部分,也迎来了新的挑战。汽车导航当前最为常用的两个功能是电子狗和经路计算,但随着智能化汽车的到来,以及电子产品的更新换代,未来汽车对于ADAS、DTM、卫星图等数据的依赖会越来越多,智能安全距离检测、智能辅助泊车等辅助驾驶技术以及自动化驾驶技术的发展,对汽车导航地图的要求会越来越高。同时导航地图的功能越多,地图的数据量就越大,导航地图更新带来了一定的困难,当前导航地图主要有两种更新方式,一是全数据更新,二是按照区域进行局部更新,但无论哪一种更新方式数据量都比较大。由于当前通信网络发展速度很快,4G网络也逐渐普及,网络速度提升非常快,导航地图的更新都是通过网络进行传输,地图更新包的大小对于导航体验有非常大的影响。NDS格式可以很好的解决以上提出的问题,由于NDS数据以数据库的形式存储的,所以NDS可以很好的解决差分更新问题。同时NDS格式是全球各大汽车厂商和地图厂商联合制定的导航地图格式,NDS也成为下一代汽车导航主要使用的地图格式。本文阐述了以Shape数据为输入,转换NDS地图显示数据的设计、构建和实现过程。主要从研究意义、开发手段、理论技术、系统需求、总体设计、系统实现与测试等几个方面对系统进行论述。实现了从Shape转换制作NDS数据的目的。
[Abstract]:In recent years, with the improvement of China's economic strength and people's living standards, the automobile industry has also ushered in a great development. According to the statistics of the Ministry of Public Security, as of November 27, 2014, the country has 154 million cars, which is second only to the United States and ranks second in the world. However, the number of people with driving qualifications has reached 244 million, ranking first in the world. From these data, we can see that the domestic market car market is very broad. At the same time, with the development of urbanization, the speed of urban development is getting faster and faster, the road construction is showing a scene of rapid change, the road becomes more and more complex, and the amount of data becomes very large. With the increase of vehicles and the change of roads, the traditional map has been unable to adapt, so a new generation of automobile navigation technology has emerged, which integrates many fields, such as communication, electronics, navigation, Internet, security, etc. Form a new intelligent automobile navigation system. Map data, as an indispensable part of navigation system, has also ushered in new challenges. At present, the two most commonly used functions of automobile navigation are electronic dog and path calculation. But with the arrival of intelligent vehicles and the upgrading of electronic products, the future automobile will rely more and more on ADASS DTM, satellite images and other data. With the development of intelligent safe distance detection, intelligent assisted parking and automatic driving technology, the requirements of vehicle navigation map will be higher and higher. At the same time, the more functions of the navigation map, the larger the data volume of the map, and the difficulty of updating the navigation map. At present, there are two main ways of updating the navigation map, one is to update the whole data, the other is to update the map locally according to the area. However, no matter which way of updating data is relatively large. Due to the rapid development of the communication network and the gradual popularization of the 4G network, the speed of the network is rising very quickly, and the update of the navigation map is transmitted through the network. The size of map update package has a great impact on the navigation experience. NDS format can solve the above problems well. Because the NDS data is stored in the form of database, NDS can solve the differential update problem very well. At the same time, the NDS format, which is developed jointly by the major automobile manufacturers and map manufacturers, has become the main map format for the next generation of automobile navigation. This paper describes the design, construction and implementation of transforming NDS map display data with Shape data input. This paper mainly discusses the system from the aspects of research significance, development means, theory and technology, system requirements, overall design, system implementation and testing. The purpose of making NDS data from Shape conversion is realized.
【学位授予单位】：东北大学
【学位级别】：硕士
【学位授予年份】：2016
【分类号】：U463.67;TP311.52

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