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lvisei avatar lvisei commented on August 27, 2024

可自行指定行政的经纬度点

image

https://larkmap.antv.antgroup.com/components/layers/composite-layers/choropleth-layer#labelposition

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hsp-sz avatar hsp-sz commented on August 27, 2024

可自行指定行政的经纬度点

image

https://larkmap.antv.antgroup.com/components/layers/composite-layers/choropleth-layer#labelposition

问题是这个描述写的 默认几何中心点，你们这个默认几何中心点算得也不对啊。我这个issue提的意思不是说让我去指定，而是让你们去修复这个算的不正确的中心点。

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lvisei avatar lvisei commented on August 27, 2024

对于不规则的多边形，几何中心点，自然不在“中心”，靠计算都不理想，比如河北，包围了北京，中心点都跑北京了，比如甘肃省，都跑外面去了，广东省的范围有沿海地区，中心点自动不在陆地，山东有海上小岛等等。行政省会点位的标记，按照地图制图合格性来说，行政名称必须标记实际的行政地理点位。对于合格行政地图的绘制，都是数据里面带有行政点位的，不是靠计算得来的。

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hsp-sz avatar hsp-sz commented on August 27, 2024

image
这个也合理是吗？

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