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Circle/Ellipse/Sector support ignoreProjection #2577

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@deyihu deyihu commented Jul 14, 2025

fix #1418

Circle/Ellipse/Sector 支持忽略投影的影响,纯数学的长度计算

方法:

  • 计算环上参考点
  • 计算对应的webgl长度
  • 计算出环上的所有gl点
  • gl点转成经纬度
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@deyihu deyihu requested a review from fuzhenn July 14, 2025 07:20
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fuzhenn commented Jul 15, 2025

忽略投影的目的是?为了让用户忽略地理意义,画出一个规则的圆形吗?

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deyihu commented Jul 15, 2025

忽略投影的目的是?为了让用户忽略地理意义,画出一个规则的圆形吗?

是的,目前好多用户反应明明一个圆,在地图上最后不是圆了(投影导致的)

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矢量图层添加超大尺寸几何体时,俯仰角变化会引起几何对象形状变化
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