针对构建室内三维导航路网时存在数据源获取困难、构建效率低等问题,提出了一种利用体素模型构建室内三维导航路网的方法.首先基于 CAD 设计图提取构建室内地图的必要要素,然后通过 ArcGIS Pro 软件构建体素模型,最后利用三维细化算法构建完整路网.以六层教学楼的室内空间进行实验验证,结果表明:与三角剖分法相比,所提方法构建的路网总长度减少了 73.43%,路网相似度衡量指标在 0～1 区间的占比提高了 15.8%,构建时间缩短了一半以上,在室内路网提取中具有一定的应用前景.
Construction method of indoor 3D navigation road network based on voxel model
To address the challenges of data source acquisition difficulties and low construction efficiency in constructing indoor 3D navigation road networks,a method utilizing voxel model to construct indoor 3D navigation road network is proposed.First,the essential elements for constructing indoor maps are extracted based on CAD design drawings,then the voxel model is built by ArcGIS Pro software,and finally the complete road network is constructed by using the 3D thinning algorithm.The experimental results in the indoor space of a six-story teaching building show that,compared with the Delaunay triangulation method,the total length of the road network constructed by the proposed method is reduced by 73.43%,the proportion of the road network similarity measurement index in the 0～1 range is increased by 15.8%,and the construction time is shortened by more than half,which has certain application prospects in the extraction of indoor road network.
万方数据
维普
