城市地下管网参数化建模关键技术研究及应用

Research and Application of Key Technologies for Parametric Modeling of Urban Underground Pipeline Networks

地下管网是保障城市安全运行的重要基础设施,三维管线能够直观表达地下管线的空间位置关系,因此本文提出了一种用于城市地下管线三维可视化的建模方法,通过采用实例化渲染技术实现快速的管网参数化建模,采用PBR(Physically Based Rendering)技术实现管网模型的材质渲染,通过LOD(Level Of Detail)提高管网三维模型加载速度。通过实验验证和分析,该方法可有效提升地下管网建模效率及模型渲染效果。

The underground pipeline network is an important infrastructure for ensuring the safe operation of cities.3D pipelines can intuitively express the spatial position relationship of underground pipelines.Therefore,this article proposes a modeling method for 3D visualization of urban underground pipelines.By using instantiation rendering technology to achieve fast parameterized modeling of pipeline networks,and PBR(Physically Based Rendering)technology to achieve material rendering of pipeline network models,improve the loading speed of the three-dimensional model of the pipeline network through LOD(Level Of Detail).Through experimental verification and analysis,this method can effectively improve the modeling efficiency and rendering effect of underground pipeline networks.