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Question by vogles · May 23, 2013 at 06:04 AM · terrain heightmap

Why does a terrain heightmap's size = a PoT + 1?

I've been scouring the internet, but I can't find a clear answer to this. I only know that it's a common thing. Nobody seems to say why.

It seems that by default the terrain in Unity is 513x513, not 512x512. Why is this?

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