SWISSIMAGE HIST 1946: The Orthophotomosaic of Switzerland from 1946

The orthophoto mosaic SWISSIMAGE HIST 1946 is a composition of historical black and white aerial photographs from 1946 («US flight mission») over the whole of Switzerland with a ground resolution of 1 m. An orthophoto is an aerial image in which the distortions created by the camera and the relief are corrected.正射影像镶嵌图（orthophoto mosaic）SWISSIMAGE HIST 1946是由1946年采集的历史黑白航空影像拼接而成的数据集，该组影像覆盖瑞士全境，源自「美国飞行任务（US flight mission）」，地面分辨率为1米。正射影像是指校正了相机畸变与地形起伏畸变的航空影像。