Questions tagged «mapping-concept»


2
查看比例地形图时,我的距离是多少?
我公司的一位密友问我一个有关地形比例尺地图(1:25.000)的问题, what was the altitude to a location in km (as you are viewing Earth from space) when he was viewing the map from 1 meter away? 这是一个非常有趣的问题,我在GIS世界中使用比例尺地图已有很长时间了,但是我从未想过从地形图上看到的可视高度是多少... 如果您知道任何公式,请分享您的解释...
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