毕业论文--数字测图技术

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1、学院代码：000000学号：2008020649黄河XXXXXXX院题目：数字测图技术姓名：祁XX院(系)：测绘工程系年级：2008级专业：工程测量技术实习单位：中国水利水电第XX局导师姓名：师XX完成日期：2010年12月10日40黄河水利职业技术学院工程测量专业毕业设计任务书填表日期：2010年12月25日填表人：祁万义课题1：1000新校区数字化测图指导教师师XX职称讲师课题小组人数6班别0805开题情况设计任务及指标本论文选题为《数字化测图》，随着电子全站仪及电子计算机的普及，地形图的成图方法正在逐步地由传统的白纸法成图向数字测图方向发

2、展。特别是在我国的东部沿海发达地区，数字测图几乎已占据了大部分的地形图测绘市场。数字化测图以其成图精度高、成图周期短、即用即测，快速建立城市大比例尺基础地理信息数据库等特点，已被一些城市建设规划管理的领导所青睐和引用。随着测绘科学技术的发展，全数字地形测图在现代机助制图技术支持下已经发展成为了高新的制图技术。为满足XXXXX学院新校区未来规划和发展的需要有测绘工程系签约XX局毕业答辩小组承担了XXXXXXX学院新校区1：1000数字地形测量任务黄河水利职业技术学院新校区位于开封市城区西北隅，占地面积1000余亩，新校区平均海拔73m，地势平坦，

3、便于测量作业。本次作业内容是要完成新校区1:1000数字地形图其中包括：测区资料收集、测区踏勘、实地选点、布设控制网、碎步点测量、内业成图，用以满足该地区今后的整体规划。学生在该设计中具体完成的工作审核意见指导教师（签章）：年月日主任（签章）：年月日40目录绪论······································································3一.数字测图原理与方法··················································4二.任务实施·····

4、···············································41.已有资料利用与分析················································42.主要精度指标··························································43.平面控制测量··························································43.1野外实地堪踏选点······················

5、···························43.2导线数据观测························································43.3控制网数据处理····················································44.高程控制测量······························································44.1仪器设备及施测方法···································

6、··········4404.2四等水准测量技术要求··········································45.碎步测量采集数据···················································46.内业数字化成图······················································46.1成图软件选择及应用·············································46.2内业成图···············

7、···············································47.上交成果·································································4结束语致谢绪论数字测图(DigitalSurveyingandMapping，DSM)系统是以计算机及其软件为核心在外接输入输出设备的支持下，对地形空间数据进行采集、输入、成图、绘图、输出、管理的测绘系统40。利用全站仪、GPS等设备进行数据采集，为GIS提供数据源，广泛用于测量工程、水文、工民建、道路桥梁、

8、水利水电工程等建设领域。数字地图(DigitalMap)以数字形式存贮在磁盘、磁带、光盘等介质上的地图。数字测图主要作业过程为三个步骤：数据采集、数据