Hi All I haven't received any private feedback about the programs from the last release, so hopefully they don't have any obvious or major bugs. There is a bug...
Hi Adrian, I've been out for a week but I've been wanting to get back to the off2m ViewPoint. First I did the calls to miniball to find the center and radius....
Hi Roger ... That is right (with the rotation around the points centre.) However, you also have to deal with the up vector. Having aligned the two vectors with...
Hi Adrian, ... That is what I thought. It isn't as simple as back tracing where that rotated point came from. There are a lot of ways it could have gotten ...
Hi Roger ... Yes. I will probably add it in when I review the camera settings. The 'P' key in antiview currently switches between a normal viewing perspective...
Hi All, I've been busy for about the last six months working on the completion of the N-icon study I started about 2 years ago! The study led to a variety of...
Roger, Real nice ! I wonder what you would think about including the generating line(s) of input to Antiprism too, as part of your documentation ? I believe...
... I plan on a page for that once the program is released and linkable. I will give examples on how to make each type. There are other things it can do as...
Hi Roger ... Well done! And nicely presented. ... I am planning a maintenance release at the end of September, so your program could go out then. I came across...
(I don't know what happened to my original reply. It never showed up on the list and was completely skipped numerically in the message list) ... Thanks. I was...
Hi Roger ... I'm not entirely sure but I think a technique to make the fully expanded ones would be to make the zonohedron and then translate it's centre to...
Hi Roger ... I dug out the program and made one. It is all tetrahedra http://www.antiprism.com/misc/thelix_deg.wrl I have left out the edge vertices and face...
Hi Adrian, ... It looks like George made models where only some of the rhombi (or squares) were being stretched into hexagons. Or in some cases, where edges...
Hi Roger ... The hexagons can occur as part of the zonohedron, but also be introduced by the zonohedrification construction. I added an -L option to...
Hi Adrian, ... I was wondering if I could make a "part" with the n_icons program that could be used to make one of these. There is, but the precision needed is...
Hi Adrain Is there an easy way for you to add a layer of similarly oriented tets to this figure, that is tets whose corners are located according to the 12...
Hi Dick ... Only eight of the approximated outer polygons are equilateral triangles. The axes of the tetrahelixes head out in the directions of alternate...
Hi Roger ... Looks good. ... You can make the base model like this unitile2d -w 22 -w 40 -s t 3 | poly_weave | off_color -f U -e F | off_util -x f | antiview...
Hi Adrian, ... tor.off ... tor.pov ... This worked but face in edge_f_col.inc had to be changed to face_no for megapov. Include is below. Very nice image! ...
Hi Adrian, ... I was thinking that it might be more complete to have the tetrahedron sweep all the way around 360 degrees. In this case we would get the ...
Hi All Here is a snapshot of Antiprism 16 pre01 as source (530K) http://www.antiprism.com/misc/antiprism-0.16.pre01.tar.gz or source and Windows binaries...
Hi Roger ... This is more like the "tetrahelix" model, which sweeps all the way round. It isn't too difficult to make this sort of model, with dipyramids as...
... I wote a short program (source below) to align dipyramids with the rhombic faces of a polyhedron. Here are models of cone-like many-sided dipyramids on the...
... The pyricon model on Roger's page has skew rhombi http://www.interocitors.com/polyhedra/n_icons/Polycons/index.html The program didn't handle these but...
Adrian, Would it not be possible to make an N-icon from ANY polyhedron - like say, a Waterman, for example ? I would not have a clue how to do this with...
Hi Steve ... You could view the N-icons as a special sort of augmentation of a dihedron (to Roger, I have just noticed on your page that the N-icon LG3D models...
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