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Messages 652 - 681 of 4037   Oldest  |  < Older  |  Newer >  |  Newest
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652
Hi Adrian, ... This is a very cool animation. I found a web page which shows LiveGraphics3D animated. It shows shome kaleidocycles. ...
vortexswirling
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Jun 1, 2007
11:38 am
653
Hi Roger ... I like these animations too. Also, it is nice to be able to add in the transparency now as it really helps show the surface. ... It is a good...
Adrian Rossiter
adrianrossiter
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Jun 1, 2007
6:16 pm
654
Hi Adrian, ... I've looked at the .m files and they are there is a lot of calculations going on. Each one would have to be custom made, if not from scratch,...
vortexswirling
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Jun 2, 2007
12:30 am
655
Hi Roger ... It could do that, but initially I would be considering animations where it is feasible to generate the model stages as needed. This is what I did...
Adrian Rossiter
adrianrossiter
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Jun 2, 2007
8:50 pm
656
Hi Adrian, I have the Jitterbug app and it is cool! With edges on there seem to be an anomoly once in a while. ... I have a sequence of 20 frames which...
vortexswirling
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Jun 3, 2007
1:56 am
657
Hi Roger ... I don't remember seeing any here. Was it edges joined at one vertex but pointing in the opposite direction of the other vertex? ... I currently do...
Adrian Rossiter
adrianrossiter
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Jun 3, 2007
5:01 pm
658
Hi Adrian, ... to be ... This is hard to describe. Whenever the model passes through an octahedron, there are a couple of free edges that flash on for an ...
vortexswirling
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Jun 3, 2007
8:24 pm
659
Hi All I have had a look at writing a program that models polyhedra with Spidron units http://www.szinhaz.hu/edan/SpidroNew/ Here are VRML models of some...
Adrian Rossiter
adrianrossiter
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Jun 5, 2007
3:17 pm
660
... Here are a couple of self-intersecting models, a {7/3}-gonal prism and a small stellated dodecahedron ...
Adrian Rossiter
adrianrossiter
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Jun 5, 2007
3:35 pm
661
Hi Adrian, ... This is sweet! Now spidrons can be examined for all sorts of polyhedra! Roger...
vortexswirling
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Jun 5, 2007
9:13 pm
662
Hi Adrian, There is a current discussion on self dual polyhedra and some canonicals come into play. Do I remember correctly that canonical.exe ends up having...
vortexswirling
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Jun 7, 2007
6:29 pm
663
Hi Roger ... The edge distances should all be 1 from the origin. The centroid won't necessarily be at the origin. ... The natural reciprocation centre for the...
Adrian Rossiter
adrianrossiter
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Jun 7, 2007
7:04 pm
664
Hi Adrian, ... OK. I thought the centroid and reciprocation center would be the same point. This clears that up. However, I'm glad to find out the ...
vortexswirling
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Jun 8, 2007
12:14 am
665
Hi Roger ... What antiview does is to put a box, aligned with the coordinate axes, around the points, and use the centre of that as a default point to look at...
Adrian Rossiter
adrianrossiter
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Jun 8, 2007
8:12 am
666
Hi Adrian, I was once told that the George Hart algorithm for canonicalizing can get stuck, but it wasn't explained why. I was trying to canonicalize is what I...
vortexswirling
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Jun 8, 2007
3:50 pm
667
Hi Roger ... I messed around with various settings and added some "joggles" to the program but rarely saw the correct canonicalisation. If you use small -e...
Adrian Rossiter
adrianrossiter
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Jun 8, 2007
6:21 pm
668
Hi Adrian, ... Hey, if this works then good enough! After all, the reciprocal is also self dual. I tried it on the Hexagonal one (I have trouble with all...
vortexswirling
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Jun 9, 2007
1:01 am
669
Hi Roger ... This was one of the things I tried on the difficult one. It didn't help in this case, but maybe it would with others. You can project onto a...
Adrian Rossiter
adrianrossiter
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Jun 9, 2007
7:35 am
670
Hi Adrian, ... I think "projection onto a sphere" is something different than what I was thinking! ... I forgot about the repel program! This does what I was...
vortexswirling
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Jun 9, 2007
12:39 pm
671
Hi Roger ... Perhaps you were thinking of something more like off_util -S ! This then actually works fine with the difficult one from before, and also with the...
Adrian Rossiter
adrianrossiter
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Jun 9, 2007
2:50 pm
672
Hi Adrian, ... Oh I see now. It was there all along! More coffee! ... Doing it this way I don't get a "messed up" J8+4, but it doesn't canonicalize, it just...
vortexswirling
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Jun 9, 2007
5:47 pm
673
Hi Roger ... It probably stoped after the default 1000 iterations. You can specify more with -n. Adrian. -- Adrian Rossiter adrian@... Home:...
Adrian Rossiter
adrianrossiter
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Jun 9, 2007
6:26 pm
674
Hi Adrian, ... That was it. I wasn't paying attention to the interation count, but it was always 1000! I have a script set up for canonicals and entered an ...
vortexswirling
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Jun 9, 2007
7:16 pm
675
Hi Roger ... I'll add that to canonical, and to the other iterative programs. Also, I notice that the documentation for canonical says that the default for -n...
Adrian Rossiter
adrianrossiter
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Jun 9, 2007
8:05 pm
676
... While I was looking at it, I also fixed the misreporting of the final count in canonical and repel, which is out by one. Adrian -- Adrian Rossiter ...
Adrian Rossiter
adrianrossiter
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Jun 9, 2007
8:24 pm
677
... Maybe that is why I never noticed, because it wasn't a round number! Should the off_util -S idea be placed in the documention? It makes sense not to build...
vortexswirling
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Jun 9, 2007
11:38 pm
678
Hi Roger ... It would be helpful to mention it. I have added it in. I am starting to try and tidy everything up for an Antiprism release, maybe next weekend....
Adrian Rossiter
adrianrossiter
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Jun 10, 2007
7:02 am
679
Hi Adrian, ... I forgot to comment on this. I'm going to ask Martin about how he finds an all encompassing viewpoint for a scene. Once he gets back to a...
vortexswirling
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Jun 10, 2007
7:06 pm
680
Hi Adrian, I've been behind in doing this. One thing about the examples is that without the actual off file used in the examples, some of them are hard to...
vortexswirling
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Jun 10, 2007
9:28 pm
681
Hi Roger ... I don't think there is much in it, but it might be slightly clearer to split the command in two and name the example .m file. I will do that. ... ...
Adrian Rossiter
adrianrossiter
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Jun 12, 2007
3:58 pm
Messages 652 - 681 of 4037   Oldest  |  < Older  |  Newer >  |  Newest
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