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了解重投影?
我无法完全理解的一件事是重投影。 在Stack Exchange上有很多问题,并且有很多关于如何使用各种软件对特定问题进行问答的方法。 我在网上搜索了“什么是重新投影?” 而且我读得很好。关于Projection Basics的ESRI常见问题解答很好,http://support.esri.com/en/technical-article/000005562-从此... The terms 'geographic coordinate system' and 'datum' are used interchangeably, but as noted above, a GCS includes a datum, spheroid, units of measure and a prime meridian. The coordinates for data change depending on the datum and spheroid on which those coordinates are based, …