ICS07.040 CCSA77DB3708 济宁市地方标准 DB3708/T59—2024 三维地理模型数据采集处理规范 Specificationfor3DGeographicgeographicModelmodelDatadata CollectioncollectionandProcessingprocessing 2024-12-05发布 2025-01-05实施 济宁市市场监督管理局发布DB3708/T59—2024 I目  次 前言.....................................................................................................................................................................II 1范围.................................................................................................................................................................1 2规范性引用文件.............................................................................................................................................1 3术语和定义.....................................................................................................................................................1 4基本规定.........................................................................................................................................................1 5三维模型产品指标及分级.............................................................................................................................2 5.1基本要求.................................................................................................................................................2 5.2产品指标.................................................................................................................................................2 5.3三维模型分级.........................................................................................................................................4 6数据采集与处理.............................................................................................................................................4 6.1一般规定.................................................................................................................................................4 6.2航空数字摄影采集及处理.....................................................................................................................4 6.3地面激光雷达数据采集及处理.............................................................................................................6 6.4元数据制作.............................................................................................................................................8 7质量检验.........................................................................................................................................................8 7.1总则.........................................................................................................................................................8 7.2基本要求.................................................................................................................................................8 7.3质量评定方法.........................................................................................................................................8 附录A（资料性）三位模型质量元素说明......................................................................................................10 图1航空摄影数据获取流程图........................................................................................................................5 图2激光测量系统数据采集流程示意图........................................................................................................6 表1三维模型存储格式....................................................................................................................................2 表2模型精度分级............................................................................................................................................2 表3纹理精细度................................................................................................................................................3 表4瓦片尺寸分级............................................................................................................................................4 表5三维模型分级指标....................................................