城市地下空间三维地质模型可视化技术研究

P208%TP39; 目前,城市地下空间信息化发展面临着海量数据组织、管理和可视化显示等亟需解决的关键问题.本文顺应国家新型智慧城市建设趋势,提出并实现了城市地下空间三维地质模型可视化技术,构建地质三维模型分级数据,按照不规则四叉树结构形成LOD数据;基于构建的三维空间网格码规范编码,运用降维、非布尔运算的方法,实现最大精度化的地下空间模型数据无限逼近的融合;并采用多渲染引擎的混合渲染架构,支持DirectX、WebGL(OpenGLES)、OSG(OpenGL)和游戏引擎(Unreal Engine)等多引擎渲染,实现TB级地下时空数据的真实感可视化与高效调度,为城市地下空间开发利用提供数据...

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Published in地质与勘探 Vol. 60; no. 1; pp. 177 - 184
Main Authors 邹伟林, 周文, 常松, 高思岩, 周新鹤, 宋红亮, 谢长虹, 范维宁
Format Journal Article
LanguageChinese
Published 北京市智慧管网安全评价及运营监管工程技术研究中心,北京 101300 2024
正元地理信息集团股份有限公司,北京 101300
Subjects
三维地质模型
城市地下空间
3D geological model
visualization
可视化
渲染引擎
rendering engine
urban underground space
Online AccessGet full text
ISSN0495-5331
DOI10.12134/j.dzykt.2024.01.019

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Abstract P208%TP39; 目前,城市地下空间信息化发展面临着海量数据组织、管理和可视化显示等亟需解决的关键问题.本文顺应国家新型智慧城市建设趋势,提出并实现了城市地下空间三维地质模型可视化技术,构建地质三维模型分级数据,按照不规则四叉树结构形成LOD数据;基于构建的三维空间网格码规范编码,运用降维、非布尔运算的方法,实现最大精度化的地下空间模型数据无限逼近的融合;并采用多渲染引擎的混合渲染架构,支持DirectX、WebGL(OpenGLES)、OSG(OpenGL)和游戏引擎(Unreal Engine)等多引擎渲染,实现TB级地下时空数据的真实感可视化与高效调度,为城市地下空间开发利用提供数据支持和辅助决策分析支撑.
AbstractList P208%TP39; 目前,城市地下空间信息化发展面临着海量数据组织、管理和可视化显示等亟需解决的关键问题.本文顺应国家新型智慧城市建设趋势,提出并实现了城市地下空间三维地质模型可视化技术,构建地质三维模型分级数据,按照不规则四叉树结构形成LOD数据;基于构建的三维空间网格码规范编码,运用降维、非布尔运算的方法,实现最大精度化的地下空间模型数据无限逼近的融合;并采用多渲染引擎的混合渲染架构,支持DirectX、WebGL(OpenGLES)、OSG(OpenGL)和游戏引擎(Unreal Engine)等多引擎渲染,实现TB级地下时空数据的真实感可视化与高效调度,为城市地下空间开发利用提供数据支持和辅助决策分析支撑.
Abstract_FL At present,the development of urban underground space informatization is facing key issues which are urgently needed to be solved,such as massive data organization,management,and visualization display.In line with the trend of national new smart city construction,this article proposes and implements a 3D geological model visualization technology for urban underground space,constructs geological 3D model hierarchical data,and forms LOD data according to an irregular quadtree structure.Based on the constructed 3D spatial grid code specification encoding,the fusion of underground space model data infinite approximation with maximum accuracy is achieved using dimensionality reduction and non Boolean operations.And this work adopts a hybrid rendering architecture with multiple rendering engines,which can support multiple engine rendering such as DirectX,WebGL(OpenGL ES),OSG(OpenGL)and Unreal Engine,and achieve realistic visualization and efficient scheduling of TB level underground spatiotemporal data.The result can provide data support and auxiliary decision-making analysis support for the development and utilization of urban underground space.
Author 宋红亮
周文
高思岩
周新鹤
邹伟林
范维宁
谢长虹
常松
AuthorAffiliation 正元地理信息集团股份有限公司,北京 101300;北京市智慧管网安全评价及运营监管工程技术研究中心,北京 101300
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Author_FL ZHOU Wen
FAN Weining
GAO Siyan
ZOU Weilin
ZHOU Xinhe
SONG Hongliang
CHANG Song
XIE Changhong
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Keywords 三维地质模型
城市地下空间
3D geological model
visualization
可视化
渲染引擎
rendering engine
urban underground space
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Publisher 北京市智慧管网安全评价及运营监管工程技术研究中心,北京 101300
正元地理信息集团股份有限公司,北京 101300
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Title 城市地下空间三维地质模型可视化技术研究
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