Color Photo map 1:10,000, Langhovde : The Northeastern Part. Published in Jan., 1998

Orthophoto Image is an image that color aerial photograph is converted to orthophoto and mosaic effects are added to it.There are two types of data available: (data1: geometrically corrected data) and (data2: raw image data).正射影像图（Orthophoto Image）是将彩色航空照片转换为正射影像并添加镶嵌拼接效果后得到的影像。本数据集提供两类数据：（数据1：几何校正数据）与（数据2：原始影像数据）。