数字填图中不同阶段数据模型的继承技术

李超岭; 张克信; 于庆文; 邱丽华; 李丰丹; 吕霞; 刘畅

数字填图中不同阶段数据模型的继承技术

1.
中国地质调查局发展研究中心, 北京 100035
2.
中国地质大学地球科学学院, 湖北武汉 430074
3.
中国地质大学地球科学与资源学院, 北京 100083

基金项目:

中国地质调查局项目“地质调查数据采集系统” 1212010350202

“地质调查信息化标准研制” 200318100001

详细信息

作者简介:
李超岭(1957-), 男, 研究员, 2001年于中国地质大学获博士学位, 主要从事地质学中的计算机应用: 数字地质调查野外数据采集、地质调查信息化标准等工作.E-mail: lchaoling@cgs.gov.cn

中图分类号: P623
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出版历程
- 收稿日期: 2004-08-28
- 刊出日期: 2004-11-25

Inherited Technique of Data Model in Different Stages in Digital Mapping

1.
Development Research Center, Chinese Geological Survey, Beijing 100035, China
2.
Faculty of Earth Sciences, China University of Geosciences, Wuhan 430074, China
3.
Faculty of Earth Sciences and Mineral Resources, China University of Geosciences, Beijing 100083, China

摘要

摘要: 以当前第三代地理数据库模型和PRB数据模型为基础, 通过PRB数据流“栈”与不同阶段数据模型的关系说明PRB数据流“栈”是不同阶段数据模型继承和传递的基础; 阐明了最终解释成果空间数据库的数据模型是在不同阶段结构化与非结构化数据模型关系上通过抽象与综合来实现“继承”的; 用对象类和要素类的互操作来实现空间与非空间的属性继承传递.同时, 基于地质图一体化的描述、组织和存储的数据建模原则, 得出了基于PRB数据模型为基础的PRB地质图空间数据库由17个基本要素类、6个对象类、8个综合要素数据集构成.并对实体名称、要素与对象编码、空间数据类型、实体间的关系、主关键字名称、子关键字名称、注释要素类编码、实体属性内容说明进行了定义和说明
- 数字填图 /
- 数据模型 /
- 地质图空间数据库
Abstract: Based on the third generation geography database model and the point-routing-boundary (PRB) data model, this paper explains that the PRB data stream stack is the inherited and transferred foundation of data models in different digital mapping stages. This is done by using the relationship between the PRB data stream stack and different-stage data model. It shows that the date model of the database, which includes the final-interpretable results, can inherit from the integration of the different-stage structure and non-structure data model, and clarifies that the inherited and transferred technique of spatial and no spatial attributes have been implemented by using inter-operation between object class and feature class. At the same time, in terms of the data molding principle of the integrative describing geological map, organizing data and storing data, it is concluded that the PRB data model of the PRB geological map spatial database is composed of seventeen basic feature classes, six object classes and eight synthetic feature classes. This paper also defines and discusses some elements of the PRB data model, including entity names, feature and object class coding, spatial data types, entity relationships, primary and subordinate key names, coding of feature classes notation, and entity attributes.
- digital mapping /
- database model /
- geological map spatial database

HTML全文

图 1 PRB数据流“栈”与不同阶段数据模型的关系

Fig. 1. Relation between PRB data stream stack and data model in different digital mapping stages

下载: 全尺寸图片幻灯片

图 2 不同阶段结构化与非结构化数据模型的继承关系

Fig. 2. Inherited relation of structure and non-structure data model in different digital mapping stages

下载: 全尺寸图片幻灯片

表 1 数字地质图空间数据库要素、对象和外挂表描述

Table 1. Feature, object and external table description of spatial database of digital map

参考文献(12)

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