基于VR技术的城市规划三维仿真设计系统设计  

Design of urban planning three-dimensional simulation design system based on VR technology

作　　者：吴维 吴尧[2] WU Wei;WU Yao(HE Xiangning College of Art and Design,Zhongkai University of Agriculture and Engineering,Guangzhou 510220,China;College of Innovation and Design,City University of Macao,Macao 999078,China)

机构地区：[1]仲恺农业工程学院何香凝艺术设计学院,广东广州510220 [2]澳门城市大学创新设计学院,澳门999078

出　　处：《现代电子技术》2019年第21期145-149,共5页Modern Electronics Technique

摘　　要：以呈现可视化、高还原度的城市规划效果为目标,基于VR技术开发一套崭新的城市规划三维仿真设计系统。构建MongoDB数据库,安全存储城市规划实测数据、设计过程产生的数据;三维设计模块基于Open GL类模块构建城市场景三维模型,采用数字高程模型与数字正射影像解决大坡度地形的城市规划问题;VR仿真设计模块计算城市景观顶点法线、顶点坐标、纹理坐标呈现虚拟规划效果,根据代码指令进行模型遍历渲染,通过交互控制指令旋转和平移摄像机,实现城市规划动态景观仿真交互漫游。仿真测试结果表明,系统三维建模相对误差在0.08~0.16之间,设计的城市规划方案交互性、实时性以及仿真效果突出。A new urban planning three-dimensional simulation design system is developed based on VR technology to present visualized and highly reductive urban planning effects.The MongoDB database is built to securely store the measured urban planning data and the data generated in the design process.The three-dimensional model of urban scene is built by using three-dimensional design module based on Open GL module.The digital elevation model and digital orthoimage are used to conduct the urban planning design of large slope terrain.The VR simulation design module is used to calculate the vertex normal,vertex coordinate and texture coordinate of urban landscape to present virtual planning effect.The model traversal and rendering are carried out according to the code instruction,and interactive roaming of urban planning dynamic landscape simulation is realized by rotating and shifting the camera by interactive control instruction.The simulation testing result shows that the relative error of the system′s three-dimensional modeling is between 0.08 and 0.16,and the interactive,real-time and simulation effects of the urban planning scheme are outstanding.

关 键 词：VR技术 城市规划 三维建模 渲染 交互漫游 仿真设计 

分 类 号：TN911.1[电子电信—通信与信息系统] 34[电子电信—信息与通信工程] TP391.72[自动化与计算机技术—计算机应用技术]