ICS07.040 CCSA75 黑龙江省地方标准 DB23/T3893—2024 省级基础地理信息地形要素 数据规范 Provincialfundamentalgeographicinformation Specificationsfortopographicdata 2024–12–03发布 2025–01–02实施 黑龙江省市场监督管理局发布 DB23/T3893—2024 I目次 前言..................................................................................IV 引言...................................................................................V 1范围.................................................................................1 2规范性引用文件.......................................................................1 3术语和定义...........................................................................1 4数据描述.............................................................................1 4.1数据组成........................................................................1 4.2比例尺..........................................................................2 4.3数据表达........................................................................2 5数据构成.............................................................................2 6数据要求.............................................................................2 6.1数学基础........................................................................2 6.2技术及精度指标要求.............................................................2 6.3地形要素数据内容要求............................................................2 6.4元数据内容要求.................................................................3 附录A（规范性）省级基础地理信息地形要素数据层表.......................................5 表A.1数据层表.....................................................................5 附录B（规范性）黑龙江省地形要素数据属性项定义.........................................7 表B.1属性项定义表.................................................................7 表B.2应用扩展属性项定义表.........................................................8 附录C（规范性）黑龙江省地形要素属性表结构............................................10 表C.1ROALN、ROALN_T属性表结构...................................................10 表C.2ROLLN、ROLLN_T属性表结构...................................................11 表C.3RAILN属性表结构............................................................12 表C.4SUBPT属性表结构............................................................12 表C.5SUBLN、SUBPL属性表结构.....................................................13 表C.6HYDLN、HYDPL、HCTLN属性表结构.............................................14 表C.7RESPL属性表结构............................................................15 表C.8VEGPL属性表结构............................................................16 表C.9BERPL属性表结构............................................................16 表C.10PROPL、DISPL、COUPL、TOWPL、VILPL属性表结构...............................17 表C.11BOULN属性表结构...........................................................17 表C.12INFPT属性表结构...........................................................17 表C.13PLAPT属性表结构...........................................................18 表C.14CPTPT属性表结构..........................................................19 表C.15HYDPT属性表结构...........................................................19 表C.16HFCPL属性表结构...........................................................20 DB23/T3893—2024 II表C.17HFCLN属性表结构...........................................................20 表C.18HFCPT属性表结构...........................................................21 表C.19RESLN属性表结构...........................................................21 表C.20RESPT属性表结构...........................................................22 表C.21RFCPL属性表结构...........................................................22 表C.22RFCLN属性表结构...........................................................23 表C.23RFCPT属性表结构...........................................................23 表C.24LJKPL属性表结构...........................................................23 表C.25LFCPL属性表结构...........................................................24 表C.26LFCLN属性表结构...........................................................24 表C.27LFCPT属性表结构...........................................................25 表C.28ROAPL属性表结构...............................................