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37 lines
1.5 KiB
Plaintext
37 lines
1.5 KiB
Plaintext
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## 123_1_3169 S4+S6+Soo example (6 vertices, 9 edges) (mirror test)
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h2.
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distunit(edge(6,4))
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let(s4=regangle(1,4))
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let(s6=pi/2)
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let(soo=regangle(1,inf))
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# The version with |2 makes the edge #1 of this tile self-mirrored.
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# This gives rise to an inconsistency regarding this apeirogon's
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# 'virtual edges'. However, the unmirroring process gets rid of
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# this inconsistency. However, the tiling will not load if the unmirroring
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# process is disabled (`-arb-unmirror 0`) and may look a bit weird
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# in debug. In this case we can avoid the problem by using the #B forms,
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# but this would not be possible in the cases where the period is even
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# and we have two self-mirrored edges.
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unittile(soo,soo,soo,soo,soo,soo,soo,soo,soo,*inf,|2)
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#B unittile(soo,soo,soo,soo,soo,soo,soo,soo,soo,*inf,|8)
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unittile(s4,s4,*2,|1)
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unittile(s4,*4,|)
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unittile(s4,s4,*2,|1)
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unittile(s4,s4,s4,s4,|1)
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unittile(s6,s6,s6,s6,s6,s6)
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unittile(s6,*6)
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# Note: tile #2 connects to tile 0's self-mirroring edge, so all of its 4
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# edges are self-mirrors. '|' is necessary, because otherwise the unmirroring
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# process will create two mirror copies of #2 and only one copy of #0,
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# and get confused by the inconsistency of connections: the inverted copy of #2
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# being connected to #0 which is connected to the standard #2. It is allowed in
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# this case to just use '|', or '|n' for any value of n, though.
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conway("(0 1')(1 0'')(3 0''')(4 0@4)(5 2@5)[2@4 1@5](0@5 3@5)(5@5)(4@5 0@6)")
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#B conway("(3 1')(4 0'')(6 0''')(7 0@4)(8 2@5)[2@4 1@5](0@5 3@5)(5@5)(4@5 0@6)")
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#debug(0)
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