基于CityEngine和SketchUp的快速精细三维建模  

Fast and Fine Three-dimensional Modeling Based on CityEngine and SketchUp

作　　者：孙守清 陈宜金[1] 陈俊美 SUN Shouqing;CHEN Yijin;CHEN Junmei(School of Earth Sciences and Surveying Engineering, China University of Mining and Technology, Beijing 100083, China)

机构地区：[1]中国矿业大学(北京)地球科学与测绘工程学院,北京100083

出　　处：《北京测绘》2021年第7期880-883,共4页Beijing Surveying and Mapping

基　　金：中央高校基本科研业务费专项资金(2010YD06)。

摘　　要：针对传统的三维建模方法存在周期长、效率低等缺点,提出基于CityEngine和SketchUp的快速建模方法。首先通过ArcGIS对遥感图像进行矢量化,然后通过计算机生成的建筑模型(Computer Generated Architecture,CGA)规则快速构建三维模型,并结合SketchUp进行标志性建筑物模型构建,最后对三维场景进行后期处理和发布。实验结果表明,该方法能够在保证复杂模型精度的同时,降低时间花销,实现精度和速度的双重结合,适合大范围的三维场景更新。In view of the shortcomings of traditional 3D modeling methods such as long cycle and low efficiency,this paper proposed a fast modeling method based on CityEngine and SketchUp.Firstly,the remote sensing image was vectorized by ArcGIS,then the 3D model was quickly constructed by CGA rules,and the landmark building model was constructed with SketchUp.Finally,the 3D scene waspost processed and released.The experimental results showed that this method could not only ensure the accuracy of complex model,but also could reduce the time cost to balance the precision and speed,which was suitable for large-scale 3D scene updating.

关 键 词：虚拟校园 三维可视化 城市建模软件(CityEngine) 三维模型 草图大师软件(SketchUp) 

分 类 号：P258[天文地球—测绘科学与技术]