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  Topic: Move Part of Compound Feature
Jabe

Replies: 0
Views: 5135

PostForum: Stella Feature Requests   Posted: Mon Nov 03, 2014 8:53 am   Subject: Move Part of Compound Feature
One feature that would be quite useful would be the ability to rotate and move a part of a compound. This could be used to produce interesting arrangements. Lets say you augmented several polyhedra ...
  Topic: pentachoron and icositetrachoron
Jabe

Replies: 2
Views: 7036

PostForum: Stella Forum   Posted: Thu Oct 15, 2009 12:47 pm   Subject: pentachoron and icositetrachoron
Sounds like you're looking at the vertex figure. Select the "View Base Polyhedron" button (looks like a cuboctahedron) to get a 4D view.
  Topic: Faceting for Polychora
Jabe

Replies: 1
Views: 8068

PostForum: Stella Feature Requests   Posted: Fri Feb 13, 2009 10:44 pm   Subject: Faceting for Polychora
One feature I would like to see is the ability to facet a polychoron - One project I would like to do is generate the vertex figures of the polytera and this feature would make it go a whole lot faste ...
  Topic: 11-cell
Jabe

Replies: 18
Views: 36088

PostForum: Stella Forum   Posted: Sat Feb 07, 2009 7:10 am   Subject: 11-cell
The ones of step 2 have a similar appearance all the way through - at infinity it approaches a curved 4-D shape that I call the "bicoiloid" - the bicoiloid is the dual of the convex hull of ...
  Topic: 11-cell
Jabe

Replies: 18
Views: 36088

PostForum: Stella Forum   Posted: Fri Feb 06, 2009 4:43 am   Subject: 11-cell
Below is the OFF file that I started with - it generates a polychoron with 8 congruent corners - (the same corners as the 8 - 2 step prism), I used a drawing of an octagon to find sets of tetrahedra ( ...
  Topic: Powertopes
Jabe

Replies: 0
Views: 15300

PostForum: Stella Forum   Posted: Wed Feb 04, 2009 11:35 pm   Subject: Powertopes
If we take the square of a polygon, we get a duoprism of that polygon - and this is the beginning of powertopes. Powertopes are the result of taking a polytope and taking it to some "power" ...
  Topic: 11-cell
Jabe

Replies: 18
Views: 36088

PostForum: Stella Forum   Posted: Wed Feb 04, 2009 10:31 pm   Subject: 11-cell
I'm convinced you may be the only person in the world who has seen it.


Time for that to change Wink

Here's the net of the Mobius Octachoron

http://www.polytope.net/hedrondude/Octachoro ...
  Topic: 11-cell
Jabe

Replies: 18
Views: 36088

PostForum: Stella Forum   Posted: Mon Feb 02, 2009 7:31 pm   Subject: 11-cell
The 8 - 3 is the tesseract (also square duoprism)
the 8 - 2 looks totally different.
  Topic: 11-cell
Jabe

Replies: 18
Views: 36088

PostForum: Stella Forum   Posted: Mon Feb 02, 2009 8:46 am   Subject: 11-cell
And the number of configurations increases as N grows larger I would presume. Is there a formula for that?

Roger

A step tegum requires two numbers - N and M - where N is the number of cells, and ...
  Topic: 11-cell
Jabe

Replies: 18
Views: 36088

PostForum: Stella Forum   Posted: Sat Jan 31, 2009 9:55 pm   Subject: 11-cell
Perhaps those would be nice additions to the Stella library. Are the 7 though 13 (odd) cells unique or are there N-cells at various integer values?

These exist for all N greater than 4, for N=5 we ...
  Topic: 11-cell
Jabe

Replies: 18
Views: 36088

PostForum: Stella Forum   Posted: Sat Jan 31, 2009 6:51 am   Subject: 11-cell
I'm aware of two potential hendecachora with identical cells that could be modeled in 4D, however they aren't the one with the hemi-icosahedra - that one requires some strange curved 4-space. I have ...
  Topic: Thirteen Sided Dice
Jabe

Replies: 0
Views: 14029

PostForum: Stella Forum   Posted: Wed Jan 14, 2009 11:03 pm   Subject: Thirteen Sided Dice
Recently I rendered the three possible cell-transitive tridecachora using Off files and Stella4D. I started by using the thirteen vertices of their duals, then using a tridecagon to find a set of tri ...
  Topic: Creating convex polychora from vertices
Jabe

Replies: 14
Views: 26826

PostForum: Stella Feature Requests   Posted: Thu Dec 11, 2008 7:37 am   Subject: Creating convex polychora from vertices
Here's a good way to impliment the remove vertices feature:

left click on vertex - removes vertex, finds convex hull of remaining verts

right click on vertex - highlights vertex to allow many to ...
  Topic: Creating convex polychora from vertices
Jabe

Replies: 14
Views: 26826

PostForum: Stella Feature Requests   Posted: Tue Dec 09, 2008 11:31 pm   Subject: Creating convex polychora from vertices
The potential "generate polychoron/polyhedron from vertices" feature could also use a set of selected vertices from a model as well as an OFF file - lets say I wanted to generate the heptach ...
  Topic: My Reccommendations
Jabe

Replies: 5
Views: 13873

PostForum: Stella Feature Requests   Posted: Sat Oct 25, 2008 8:19 pm   Subject: My Reccommendations
Here's an idea of how to make this work (haven't tried it yet though), save the nets as a BMP, then use a photo manipulation program to move the nets around for best paper use.
 
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