摘要数字测图中全站仪的应用比较普遍 ，一 般遵循常规作业方式 ，即“ 从 整体到局部， 先控制测量后碎部测量” 的原则。

但是在某些比较特殊的情况下， 不能提供基本控制点的坐标； 或者 有时候工期紧急， 并没有时间进行图根控制测量时， 运用常规测量方法 就无法进行测量作业。

“ 一步测图法”较好地解决了这一类问题，在实际测量中采用控制测 量和碎部测量同时进行， 不仅减少了测量时间， 而且提高了工程进度。

本文讨论了“ 一步测图法” 在实际操作中遇到的问题， 提出了解决 方法， 并比较了与常规测图法的异同， 设计了全站仪“ 一步测图法” 的 施测方案 。通 过 Visual Basic 设计和实现 “一 步测图 法” 的内业数据处理。70799

该论文有图 14 幅，表 6 个，参考文献 21 篇。

毕业论文关键词： 数字测图 一步测图法 施测方案 数据处理

The Conceptual Design of “One Step Measurement ” and Data Processing

Abstract Total Station is applicated widely in the project of Digital Mapping and generally follows conventional practices, which is the measurement work will be carried out from whole to part and detail survey should not begin until control survey is finished.

But in some special circumstances, we can not provide the coordinates of the basic control point; or sometimes the schedule is emergency, and there is no time for mapping control survey, so that conventional measurement methods can not be used.

“One step measuement” can solve this kind of problems usefully, control survey and detail survey will be carried out on the same time when faced with actual measurement work. Not only it can reduce the time of measurement work, but also the progress of the project can be improved.

This article discusses the problem of “one step measurement” in practical projects, and offers the useful solutions. What is more, it compares the difference between conventional practices with “one step measurement”, and design the scheme of “One Step Measurement ” which carried out by total station. With Visual Basic,this article designs and realizes the process of observed data.

This paper has 14 figures, 6 tables, 21 references.

Key  Words:  Digital Mapping One  Step Measurement Measurement Scheme Data-Processing

目 录

摘 要 I

Abstract II

目 录 III

图清单 V

表清单 V

1 绪 论 1

1.1“一步测图法”的研究目的及现实意义 1

1.2“一步测图法”的研究现状 1

1.3“一步测图法”与常规测图法的比较 2

2 “一步测图法”关键问题及解决方法 3

2.1 成图过程中寻找特征点 3

2.2 图片接边的准确进行 3

2.3 成图中的高程问题 4

3 “一步测图法”原理及施测方案设计