摘要
众源地理数据,是指由大众采集并向大众提供的开放地理空间数据。其更新速度快、现势性强,有极大的发展潜力。针对这一热点,本文以Open Street Map项目为代表,对其数据格式分Node、Way及Relation 3种数据元素进行深入解析。进而利用FME软件、Arc GIS软件的Data Interoperability及Arc GIS Editor For OSM工具这3种数据转换工具对以郑州大学为例的OSM数据进行转换。结果显示,利用FME软件、Arc GIS Editor For OSM工具数据保存较完整,但有较为严重的属性丢失,而利用Arc GIS的Data Interoperability工具转换则会造成较严重的线元素数据丢失。鉴于上述3种方法的不足,提出一种利用C++对OSM数据的编程转换,这为下一步的数据关联工作打下了良好的基础。最后为更直观地查看OSM数据,基于C#及Arc GIS Engine二次开发工具对其进行了可视化,并实现了基本的地图操作。
Crowd source geographic data refers to open geospatial data which is collected from the public and provide to the public aswell. It has great potential of development and the update speed of which is fast. Aimed at this hot topic, this article takes Open StreetMap as representative, analyze its data format from three dimensions which includes Node, Way and Relation deeply. And then usethree data conversion tools, which are FME software, Data Interoperability tools and ArcGIS Editor for OSM tools of ArcGIS software,to transform OSM data, take the data of Zhengzhou University as example. The result shows that when using FME software and ArcGISEditor For OSM tools for converting, the data preservation is relatively complete but the attribute loss is serious. However, when usingData Interoperability tools of ArcGIS, it can cause a serious loss of line element. In view of the deficiency of those three methods, useC＋＋ to convert OSM data programmatically, it can lay a good foundation for subsequent work. Finally, for looking OSM data more visualized, use C# as well as ArcGIS Engine secondary development tools to visualize OSM data, and make essential map operation cometrue.
作者
姜晶莉
郭黎
邓圣乾
赵家瑶
JIANG Jingli;GUO Li;DENG Shengqian;ZHAO Jiayao(Information Engineering University,Zhengzhou 450001,China)
出处
《测绘与空间地理信息》
2018年第10期48-52,共5页
Geomatics & Spatial Information Technology
基金
国家自然科学基金项目(41471314
41001313)资助
关键词
众源地理数据
OSM数据
数据转换
C++转换可视程序
true.crowd source geographic data
OSM data
data conversion
C＋＋ conversion visual program
