The first part is to analyzed the solarangle in order to study the indoor sunshine of the residential buildings which are located in Harbin.
本文内容主要分为两部分，第一部分是通过阳光的入射角度来研究哈尔滨市居住建筑的室内进光；
2
The rule graph of cloud layer and shadow was generated by the detection of cloud layer and shadow using support vector machine and information of solarAngle.
该方法利用支持向量机以及太阳角度信息，进行云层和阴影的检测，生成云层和阴影的规则图。
3
Firstly, the learning ability of support vector machine is used to detect cloud in remote sensing image, and combining the information of solarAngle, cloud shadow area is detected.