Photogrammetric surveying : production of survey plans and maps from photographs 摄影测量:从照片制作测量图及地图
Provision of land boundary ( cadastral ) surveys , photogrammetric survey as well as cartographic and reprographic services 测量土地界线(即地籍测量) 、进行摄影测量、提供制图及摄影制图服务
The provision of land boundary ( cadastral ) surveys , photogrammetric survey as well as cartographic and reprograhpic services ; and 测量土地界线(即地籍测量) 、进行摄影测量、提供制图及摄影制图服务;及
It becomes possible that digital railway plan be used , which based on 3d terrain environment for the introduction of virtual reality and the wide application of digital photogrammetric survey 虚拟现实技术的引入和数字摄影测量技术的广泛应用,使得基于三维虚拟地形环境的数字铁路选线成为可能。
It is to satisfy the needs of modern management of university to practise the project of digital chengdu university of technology . improve gee - information sharing and make the geo - information to be scale at the same time . the thesis put forward the primary design and the work flow of the project of digital chengdu university of technology . in the surveying field , digital photogrammetric surveying , which improves efficency and data accuracy , almost have taken the place of tranditional field observation method 建立“数字成都理工大学”校园工程是为了满足成都理工大学现代化的管理的需要,加强地学信息的共享,同时使成都理工大学地学信息产业尽快形成规模效益。本文提出了“数字成都理工大学”校园工程初步设计方案和具体工作步骤。数据采集利用了数字摄影测量手段,进行数字化测图,改变了传统的实测的方法,提高了效率,增加了数据的精度。
The author summarizes the current situation of the large scale data topographic map surveying ; analyzes the technology used in the large scale data - mapping system ; introduces system error correction ways based on time series analysis and analyzes the basic method of getting topographic information directly from the aerial photogrammetric surveying 摘要概述了目前大比例尺数字化地形图测绘的现状;分析了实现大比例尺数字化航测成图系统的相关技术;引入了基于时间序列分析的系统误差修正方法,分析了直接从航测影像获取地形信息的基本方法。