Discuss the Application of Tilt Model in Sunlight Analysis of Urban Buildings——A Case Study of Qingdao,Shandong Province
In order to improve the traditional operation method and efficiency of sunlight analysis,the real 3D tilt model is applied to sun-light analysis of planning approval. Taking Qingdao,Shandong Province as an example,a 1.8cm ground resolution image was obtained by UAV flight to produce a tilt model. The house corner coordinates,the elevation and spacing of feature points were checked through field measure-ments to evaluate the accuracy of the model. In addition,the Major Cold day and Winter Solstice day were selected to conduct sunlight analysis by tilt model and the modeling of all field measured data respectively. The results show that the accuracy of the tilt model is in line with the specification requirements,and the results of sunlight analysis using the tilt model are similar to the field measured results on the whole. The application of tilt model to sunlight analysis of planning approval is feasible.
sunlight analysisUAV filghttilt modelmodel accuracythe Major Cold day and Winter Solstice day