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Type: Question
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Resolution: Done
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Priority: Major - P3
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None
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Affects Version/s: 2.3.2
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Component/s: Geo
usually,quardtree and rtree are the common spatail indexes using in GIS.
so what's the difference between quardtree/rtree and 2d/2dsphere,
and what's the difference between 2d and 2dsphere?