基于移动GIS的铁路野外办公系统研究与实现

发布时间：2019-05-14 20:57

【摘要】：传统的铁路规划野外作业过程中工人们往往采用纸质记录等方式完成相关工作,这存在着信息化程度低、工作效率低等缺点。而移动GIS可以很好的解决上述问题。因此本论文通过查阅国内外论文,了解移动GIS的发展历程以及发展现状,并以中铁第一勘察设计院内部移动GIS项目为依托,设计并实现了基于移动GIS的铁路野外数据采集系统。以下为本论文主要研究内容:(1)论文在业务上明确用户需求,并在此基础上设计了本系统。主要完成了以下功能:首先系统支持对地图的缩放漫游等基础功能。此功能主要满足用户实现对地图的整体轮廓与具体细节的浏览查看。其次系统可以实时定位工作人员的位置,并可以回放工作人员的行动轨迹。实时定位功能主要用于用户确立自己的实时位置,轨迹回放功能主要用于确定工作人员行动轨迹是否在指定范围内。最后本系统支持简单的数据采集功能,此功能主要用于外业人员相关数据的采集保存。(2)分析GIS系统中墨卡托与高斯克-吕格投影算法的原理,对在Android设备中离线地图数据的组织方式进行了研究.论文以二进制形式实现了对保密地图数据在移动端的自定义存储。(3)论文研究并推算出了瓦片地图的拼接算法。并且通过将该算法应用到程序中实现了瓦片地图的拼接。通过本论文的研究,构建了一个基于移动GIS的铁路野外数据采集系统,系统的实施提高了铁路外业工作的信息化程度与工作效率。
[Abstract]:In the process of traditional railway planning field operation, workers often use paper records to complete the related work, which has some shortcomings, such as low degree of informatization, low work efficiency and so on. Mobile GIS can solve the above problems very well. Therefore, by consulting the domestic and foreign papers, this paper understands the development course and present situation of mobile GIS, and designs and implements the railway field data acquisition system based on mobile GIS based on the internal mobile GIS project of the first Survey and Design Institute of China Railway. The following are the main research contents of this paper: (1) the paper clarifies the user requirements in the business, and designs the system on this basis. The main functions are as follows: first of all, the system supports the scaling and roaming of the map and other basic functions. This function mainly satisfies the user to realize the browsing and viewing of the overall outline and specific details of the map. Secondly, the system can locate the position of the staff in real time and play back the movement track of the staff. The real-time positioning function is mainly used for the user to establish their own real-time position, and the trajectory playback function is mainly used to determine whether the staff action trajectory is within the specified range. Finally, the system supports a simple data acquisition function, which is mainly used for the collection and preservation of related data of field personnel. (2) the principle of Mercator and Gusk-Luger projection algorithm in GIS system is analyzed. The organization of offline map data in Android equipment is studied. In this paper, the custom storage of secure map data on mobile terminal is realized in binary form. (3) the splicing algorithm of tile map is studied and calculated in this paper. The algorithm is applied to the program to realize the splicing of tile map. Through the research of this paper, a railway field data acquisition system based on mobile GIS is constructed, which improves the information degree and efficiency of railway field work.
【学位授予单位】：长安大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：P208;U212

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