... observed¹

My AVS5 network, avs1a.net, attempts to avoid this problem by using a Thresholded Slicer, which has the ability to make different regions of the slice transparent.

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... met²

Consider, for example, a cube with one face ``sagging'' inwards.

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... cases³

This includes the case where none of the vertices are inside the surface, but excludes the case where all the vertices are inside the surface. This is unusual, but is standard in all the literature on Marching Cubes.

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