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What is the advantage of splitting edges and then flipping as opposed to going through every face and creating the edges where they should go in the first place? Is it simply ease of implementation (assuming we already have the split and flip functions)?


What's the definition of the flip operation here?


Can loop subdivision via edge operations be applied to other polygon meshes?


What's the cost of this transformation?


Is this division algorithm at all affected by irregularities in the triangle sizes of the mesh or does it always converge to a relatively smooth/regular mesh?