面向日照测量的三维激光扫描采集研究

Research on 3D Laser Scanning Acquisition for Sunlight Measurement

以天津市某规划小区的日照测量工作为例,研究三维激光扫描技术在日照测量数据采集中的工作流程,利用三维激光扫描采集点云对现状建筑进行关键点特征点提取,并根据特征点实现现状建筑快速建模,可精确计算出现状建筑日照时间,辅助规划审批,实践证明技术方案的成果经验满足日照测量精度要求。采用三维激光扫描技术进行的日照测量可突破传统的日照测量的作业模式,解决传统作业模式外业测量工作量大、效率低,内业建模效果不智能的问题,为日照测量与分析提供新的技术方案。

Taking the sunlight measurement in a planned community in Tianjin for example,we studied the workflow of 3D laser scanning tech-nology in sunlight measurement data collection,used 3D laser scanning to collect point clouds to extract the feature points of current buildings,and according to the feature points realized the rapid modeling of current buildings,which could accurately calculate the sunlight time of existing buildings,and assist in planning approval.The results of this technical solution have been verified to meet the requirements of sunlight measure-ment accuracy.The method can break through the traditional operation mode of sunlight measurement,solve the problems of large field measure-ment workload,low efficiency and unintelligent effect of interior work modeling in the traditional operation mode,and provide new solutions for sunlight measurement.