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作 者:高琼[1] 刘丹丹 张伟 刘云彤[1,3] GAO Qiong;LIU Dandan;ZHANG Wei;LIU Yuntong(Yellow River Conservancy Technical Institute,Kaifeng 475004,China;School of Civil and Architecture Engineering,Panzhihua University,Panzhihua 617000,China;The College of Geography and Environment,Henan University,Kaifeng 475004,China)
机构地区:[1]黄河水利职业技术学院,河南开封475004 [2]攀枝花学院土木与建筑工程学院,四川攀枝花617000 [3]河南大学地理与环境学院,河南开封475004
出 处:《测绘与空间地理信息》2024年第7期183-186,共4页Geomatics & Spatial Information Technology
摘 要:针对目前基于钻孔数据生成地质三维模型过程繁琐、算法复杂、中间数据庞大的弊端,本文使用钻孔点和径向基隐函数模型描述地层曲面,以多边形标量场提取曲面函数模型的等势面生成地质曲面进行可视化;再提取曲面的边框,根据网格大小长度提取边框的转折点数据;根据上下相邻两个地层曲面的边框转折点,绘制侧立面;合并侧立面与上下相邻两地质层曲面,生成地质三维模型。并使用郑州市高新区地质钻孔数据作为数据源进行实验,快速完整地生成了研究区的地质体三维模型。In view of the drawbacks of the current process for generating geological 3D models based on drilling data,which are cum-bersome,complex in algorithms,and have large intermediate data,this paper describes the geological surfaces using drilling points and radial basis implicit function models.It visualizes the geological surfaces by extracting isosurfaces of the surface function models with polygonal scalar fields.The border of the extracted surface is determined by extracting the turning point data of the border based on the length of the grid.The vertical profile is drawn based on the turning points of the borders of the adjacent upper and lower geo-logical surfaces.Finally,the vertical profile is merged with the adjacent upper and lower geological surfaces to generate the 3D geolog-ical model.In the experiment,driling data from the High-tech Zone of Zhengzhou city is used as the data source,and a complete and fast 3D geological model of the study area is generated.
关 键 词:钻孔点数据 地质三维模型 径向基隐函数 多边形标量场
分 类 号:P25[天文地球—测绘科学与技术] TB22[天文地球—大地测量学与测量工程]
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