How to calculate normal vector?

intra3d2019 / IntrA

IntrA: 3D Intracranial Aneurysm Dataset for Deep Learning

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Closed LiB98 closed 1 year ago

LiB98 commented 1 year ago

I see your dataset consists of N*7 ,including position,normal vector and 0/1/2; I'd appreciate if you can tell how to calculate normal vector . thx!