E都市杭州源文件，三维地图网站(版本号v2.3)的全部javascr ipt最新源代码。-Edushi hangzhou map source

用于通过三维激光点云数据生成二维的地理参考特征图像，此处以高程作为特征-Used by 3 d laser point cloud data to generate two-dimensional geographical characteristics of reference image, the elevation as features