DB3206_T1006-2020_1：5001：10001：2000自然资源和规划地形基础要素数据规范_南通市 .docxVIP

ICS07.040

CCSA75 DB3206

南 通 市 地 方 标 准

DB3206/T1006-2020

1:5001:10001:2000自然资源和规划地形基础要素数据规范

DB3206/T1006-2020

目 次

前言................................................................................III

1范围................................................................................1

2规范性引用文件......................................................................1

3术语和定义..........................................................................1

4数据成果基本要求....................................................................1

4.1数学基础........................................................................1

4.2时间基准........................................................................1

4.3平面精度........................................................................2

4.4基本等高距......................................................................2

4.5高程精度........................................................................2

4.6高程注记点密度..................................................................3

4.7存储和提交格式..................................................................3

DB3206/T××××-2020

7.4属性缺省值表达原则..............................................................11

7.5重叠要素表达原则................................................................12

7.6几何表达规则....................................................................12

7.7符号及注记表达原则..............................................................12

附录A（规范性）要素分层.............................................................13

附录B（规范性）注记代码表...........................................................16

附录C（规范性）元数据结构...........................................................18

附录D（规范性）属性结构.............................................................20

附录E（规范性）要素编码表...........................................................34

附录F（规范性）建筑物及单位范围类型代码.............................................109

附录G（规范性）兴趣点分类代码表....................................................113

参考文献..............