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错误记录：_pickZeroLevelQuadtreeTiles #2

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axmand opened this issue Apr 10, 2021 · 0 comments
Open

错误记录：_pickZeroLevelQuadtreeTiles #2

axmand opened this issue Apr 10, 2021 · 0 comments

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@axmand
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axmand commented Apr 10, 2021 •
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描述：判断鼠标所在点与地球表面相交的点所在的0层级瓦片位置存在BUG
原因：由于3857投影不包含南北极区域（+-85.05112877980659），因此当鼠标所在位置处于南北极圈时，无法与zero级Tile的边界相交。
解决办法：判断TileSchema, 如果使用了3857投影，则默认直接返回zeroLevelQuadtreeTile[0].
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@axmand