文章介绍如何利用Konva.js将经纬度坐标绘制到电脑屏幕上，包含坐标系转换原理、源码思路和计算方法，适用于GIS和canvas绘制参考。
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从坐标系讲起，讲清楚如何将经纬度的坐标绘制到我们的电脑屏幕上，并提供源码思路以及计算方式，可以作为GIS或者相关canvas绘制的参考：https://mp.weixin.qq.com/s/MJzbuQJevq12OEGptB2h0Q
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