开源投影系统 Cartographic Projections library originally written by Gerald Evenden then of the USGS. The

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开源投影系统 Cartographic Projections library originally written by Gerald Evenden then of the USGS. The primary version of this web page can be found at http://www.remotesensing.org/proj, and mirrored at http://proj.maptools.org.

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