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Show HN: Map drawing tool where the map lives in the URL
地图绘制工具，所有绘图数据直接编码在URL中，轻松分享无需保存文件，适合快速协作和演示。
For the past 2 years, my girlfriend and I have been software engineers at CERN working for the ALICE and CMS experiments. A few months ago we decided …