Index to 2017 Pictometry nadir images

Index to 2017 Pictometry vertical (nadir) images that are part of the vertical/oblique library. Includes information about image parameters as well as capture date and time.本索引对应2017年Pictometry公司的垂直（天底，nadir）影像，此类影像是垂直/倾斜影像库的组成部分。该索引包含影像参数以及拍摄日期与时间的相关信息。