我在爪哇开发一个应用程序。 我想要一个相当高分辨率的世界/美国区域地图。 这个应用程序涉及:
* plotting where certain landmarks are
* plotting where certain earth quakes happened
* plotting where certain companies are headquartered
* overlaying a weather map
是否有开放源码库可供使用? [可能没有考虑到地图数据昂贵。 ]
OpenStreetMap或许能有所帮助。 我不知道他们是否提供了您需要的准确信息, 他们的地图是以 XML 或 JSON 或 JSON 提供的, 所以您必须分析这些地图, 但有些图书馆可以提供。 也许值得看看...
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