施工总图空间数据结构研究

葛咏; 潘正风; 邢细涛

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施工总图空间数据结构研究

葛咏, 潘正风, 邢细涛

文章导航 > 武汉大学学报 ( 信息科学版) > 2000 > 25(2): 178-182

葛咏, 潘正风, 邢细涛. 施工总图空间数据结构研究[J]. 武汉大学学报 ( 信息科学版), 2000, 25(2): 178-182.

引用本文:

葛咏, 潘正风, 邢细涛. 施工总图空间数据结构研究[J]. 武汉大学学报 ( 信息科学版), 2000, 25(2): 178-182.

GE Yong, PAN Zhengfeng, XING Xitao. Research on Spatial Data Structure of General-plan of Construction Managing Information System[J]. Geomatics and Information Science of Wuhan University, 2000, 25(2): 178-182.

Citation:

GE Yong, PAN Zhengfeng, XING Xitao. Research on Spatial Data Structure of General-plan of Construction Managing Information System[J]. Geomatics and Information Science of Wuhan University, 2000, 25(2): 178-182.

施工总图空间数据结构研究

1 中国科学院地理研究所资源与环境国家重点实验室, 北京市安定门外大屯路917大楼, 100101;
2 武汉测绘科技大学地学测量工程学院, 武汉市珞喻路129号, 430079;
3 中国航空工业总公司勘察设计研究院新技术研究所, 北京市知春路, 100086

详细信息

作者简介:
葛咏,女,27岁,博士生,现主要从事GIS/RS空间分析、计算机仿真等研究。E-mail:gey@lreis.ac.cn

中图分类号: P208;TP392

Research on Spatial Data Structure of General-plan of Construction Managing Information System

1 State Key Lab of Resources & Environment Information System Institute of Geography of CAS, 917 Building, Anwai Datun Road, Beijing, China, 100101;
2 School of Geo-science and Surveying Engineering, WTUSM, 129 Luoyu Road, Wuhan, China, 430079;
3 New Technical Lab of AVIC Institute of Geotechnical Engineering, Zhichun Road, Beijing, China, 100086

摘要: 根据系统空间数据结构的特点,提出了图块-实体数据模型,有效地解决了对空间信息操作的复杂性,有利于施工中空间数据的动态更新和维护。该系统的空间数据结构为相关信息系统建立适宜的空间数据结构提供了一条可行的途径。
- 总图 /
- 图块 /
- 实体 /
- 数据结构 /
- 拓扑关系 /
- 空间分析
Abstract: General-plan of construction managing information system focuses on the management of construction information and analyzes on construction processes. Deep issues on spatial data structure of the system are illustrated in this paper. By analyzing charaeteristics of the construction project,we propose a kind of map-block-entity data model that can deal with complex spatial operations and is propitious to the update and maintenance of system data. This paper divides the whole map information into basic map information and extended map information. When the map is processed, the basic map information is shown only, don't take part in the construction of topology, but other information on the map is changed at any moment according to the actual demand.By reducing quantity of spatial data of system, the operation speed including query and search is improved obviously using this method. At the same time, the article tries to create topology relations of entities composed of map-blocks and brings forward the method of automatic creation. It is well known that to create the general topology relation on the objects with a large number of parts is very slow and complex.It is not necessary to make such a complex topology structure because the consumers care for the exterior information of the projects instead of the interior constitution of them. The system sets up a series of polygons with nodes by the relation of the map-blocks, and then uses the common method of creating polygon topology to build the system topology relation. By doing that, we can speed creating the system topology and decrease the number of data that are used during system operation. Therefore,it is obvious that the information query and spatial analysis are more efficient. The spatial data structure of the system has been used in the Three Gorges general-plan of construction managing information system. With the need of managing the construction information scientifically, the special information will be adopted widely. As follows, the suited spatial data will be required strongly.
- general-plan map /
- map-block /
- entity /
- data structure /
- topology relation /
- spatial analysis

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施工总图空间数据结构研究

1 中国科学院地理研究所资源与环境国家重点实验室, 北京市安定门外大屯路917大楼, 100101;

2 武汉测绘科技大学地学测量工程学院, 武汉市珞喻路129号, 430079;

3 中国航空工业总公司勘察设计研究院新技术研究所, 北京市知春路, 100086

作者简介:
葛咏,女,27岁,博士生,现主要从事GIS/RS空间分析、计算机仿真等研究。E-mail:gey@lreis.ac.cn

收稿日期: 1999-08-16
刊出日期: 2000-02-05

中图分类号: P208;TP392

关键词:

总图 /

图块 /

实体 /

数据结构 /

拓扑关系 /

空间分析

摘要: 根据系统空间数据结构的特点,提出了图块-实体数据模型,有效地解决了对空间信息操作的复杂性,有利于施工中空间数据的动态更新和维护。该系统的空间数据结构为相关信息系统建立适宜的空间数据结构提供了一条可行的途径。

English Abstract

Research on Spatial Data Structure of General-plan of Construction Managing Information System

1 State Key Lab of Resources & Environment Information System Institute of Geography of CAS, 917 Building, Anwai Datun Road, Beijing, China, 100101;

2 School of Geo-science and Surveying Engineering, WTUSM, 129 Luoyu Road, Wuhan, China, 430079;

3 New Technical Lab of AVIC Institute of Geotechnical Engineering, Zhichun Road, Beijing, China, 100086

Received Date: 1999-08-16
Publish Date: 2000-02-05

Keywords:

Abstract: General-plan of construction managing information system focuses on the management of construction information and analyzes on construction processes. Deep issues on spatial data structure of the system are illustrated in this paper. By analyzing charaeteristics of the construction project,we propose a kind of map-block-entity data model that can deal with complex spatial operations and is propitious to the update and maintenance of system data. This paper divides the whole map information into basic map information and extended map information. When the map is processed, the basic map information is shown only, don't take part in the construction of topology, but other information on the map is changed at any moment according to the actual demand.By reducing quantity of spatial data of system, the operation speed including query and search is improved obviously using this method. At the same time, the article tries to create topology relations of entities composed of map-blocks and brings forward the method of automatic creation. It is well known that to create the general topology relation on the objects with a large number of parts is very slow and complex.It is not necessary to make such a complex topology structure because the consumers care for the exterior information of the projects instead of the interior constitution of them. The system sets up a series of polygons with nodes by the relation of the map-blocks, and then uses the common method of creating polygon topology to build the system topology relation. By doing that, we can speed creating the system topology and decrease the number of data that are used during system operation. Therefore,it is obvious that the information query and spatial analysis are more efficient. The spatial data structure of the system has been used in the Three Gorges general-plan of construction managing information system. With the need of managing the construction information scientifically, the special information will be adopted widely. As follows, the suited spatial data will be required strongly.

葛咏, 潘正风, 邢细涛. 施工总图空间数据结构研究[J]. 武汉大学学报 ( 信息科学版), 2000, 25(2): 178-182.

引用本文:

葛咏, 潘正风, 邢细涛. 施工总图空间数据结构研究[J]. 武汉大学学报 ( 信息科学版), 2000, 25(2): 178-182.

Citation: