Color Photo map 1:2,500, Syowa Station. Published in Jan., 1994

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）指将彩色航空摄影影像经正射校正处理，并添加镶嵌效果后得到的影像。本次提供的数据包含两种类型：（数据1：经几何校正的数据）与（数据2：原始影像数据）。