Flight tracking maps BEV

An important part of the BEV’s aerial image archive is the flight location maps, which serve to locate the measurements required for an area of interest. Flight tracking maps are overviews, which are created per flight operation and represent the respective flown area. The position of the flown flight strips as well as the center points of the measurement images are shown. Furthermore, the essential information of the image flight (flight title, archive number, focal length, date of flight, image scale, film type, longitudinal and transverse coverage) are given. The data are available for the years 1949 to 2020.BEV航空影像档案的重要组成部分为飞行位置图（flight location maps），其作用为定位感兴趣区域所需的测量数据。飞行追踪图（flight tracking maps）为针对单次飞行作业生成的概览图，用于呈现对应实际飞行覆盖的区域，同时标注已飞航带的位置以及测量影像的中心点。此外，该类图还会附带本次影像飞行的关键信息：飞行标题、档案编号、焦距、飞行日期、影像比例尺、胶片类型、纵向与横向覆盖范围。 本数据集的可用时间跨度为1949年至2020年。