DB43/T—2024 307043 湖 南 省 地 方 标 准ICS 07.040 CCS A 78 发 布 湖南省市场监督管理局2024-08发布-30 2024-11实施-30城镇开发边界内详细规划数据库规范 Specification for database of the detailed planning within the urban development boundary DB43/T 3070—2024 I 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 缩略语 ································ ································ ································ ··················· 2 5 数据库内容和要素分类编码 ································ ································ ························ 2 5.1 数据库内容 ································ ································ ································ ····· 2 5.2 要素分类与编码 ································ ································ ······························· 3 6 数学基础 ································ ································ ································ ··············· 10 6.1 坐标系统 ································ ································ ································ ······· 10 6.2 高程基准 ································ ································ ································ ······· 10 6.3 地图投影与分带 ································ ································ ······························ 10 6.4 面积计算方式 ································ ································ ································ · 10 6.5 数据库精度 ································ ································ ································ ···· 10 7 数据库结构定义 ································ ································ ································ ······ 10 7.1 图层要素组织管理 ································ ································ ··························· 10 7.2 空间要素属性数据结构 ································ ································ ····················· 16 7.3 非空间要素属性数据结构 ································ ································ ·················· 48 8 数据交换格式 ································ ································ ································ ········· 51 附录A（规范性） 属性值代码表 ································ ································ ···················· 52 参考文献 ································ ································ ································ ···················· 70 DB43/T 3070—2024 II