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日照计算分析是居住区规划设计中工作中的重要内容,传统对于多层,正南北规划住宅采用的日照计算系数法和基于棒影图的日照测算法对于越来越多的城市高密度住宅规划束手无策。基于CAD平台的日照计算方法因采用逆推逻辑,存在大量重复计算,本质上是一种经验试错,工程量计算量大。本文提出日照圆锥曲面的理论,并基于Rhino+Grasshopper参数化设计平台实现程序设计,提出了一种新的解决方法 。
Calculation and analysis of sunshine is an important part in the work of residential area planning and design. The traditional sunshine calculation coefficient method and sunshine measurement method based on the stick shadow image of multi-storey and north-south planning residential buildings are more and more important for a growing number of urban high-density residential buildings Helpless. The sunshine calculation method based on CAD platform has a large number of double counting due to the use of inverse logic, which is essentially a kind of trial and error by experience and a large amount of engineering calculation. In this paper, the theory of sunshine conic surface is proposed and a new solution is proposed based on Rhino + Grasshopper parametric design platform.