Lunar Grid Reference System Rasters and Shapefiles

USGS is assessing the feasibility of map projections and grid systems for lunar surface operations. We propose developing a new Lunar Transverse Mercator (LTM), the...美国地质调查局（United States Geological Survey，USGS）正针对月球表面作业所用的地图投影与网格系统开展可行性评估工作。我们拟开发一套全新的月球横轴墨卡托投影（Lunar Transverse Mercator，LTM），该……