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daC does not look like a rhombic dodecahedron #20

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citron opened this issue Nov 30, 2021 · 1 comment
Open

daC does not look like a rhombic dodecahedron #20

citron opened this issue Nov 30, 2021 · 1 comment

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@citron
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citron commented Nov 30, 2021

Let's build a cuboctahedron : aC
Then dual-it : daC
It should be a Rhombic Dodecahedron, no ?

@levskaya
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@citron -
so sorry for not noticing this comment earlier! My github notifications get swamped by my professional repos and I missed this.

One probably confusing historical design decision for the polyhedronisme spec is that we don't automatically canonicalize geometry - that is, there are topological operators and then "geometry smoothing/relaxation" operators that force proper planarity, centrality, etc. If you type "C100daC" you should get the proper geometry for a Rhombic Dodecahedron. The "C100" means run a relaxation iteration 100 times.

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