turn 3dmodel into equivalent triangles

[hakopdetak]

Hi

For a project i need to turn 3D models into only equivalent triangles

It's no problem that the triangles deform the shape (explained: http://www.freebits.nl/images/614beer.jpg )

Tis can be done by exporting, scripting a modifier..doesn't really matter..It just needs to turn the model into equivalent triangles.
I use rhino or 3dmax,
but if you have another program or tool I don't mind trying it out...
(i've tried grashopper but I could only apply it on surfaces..)

Hopefully you can help me out, or give me some keywords to look for...

dave

 

[Davros]

I dont understand, all models are triangles

 

[Ethatron]

Some consist of parametric surfaces.

 

[Otto Dafe]

In 3dsmax just convert the model to an editable mesh. Editable mesh is only tris. I expect Rhino has an equivalent function.

 

[hakopdetak]

Hi

Thanks a lot for the reactions!

If i turn it into a mesh I get something like this...
http://ars.els-cdn.com/content/image/1-s2.0-S1388245799002023-gr1.jpg

It needs to be with equivalent triangles something like this:
http://www.cgal.org/Manual/latest/doc_html/cgal_manual/Surface_mesher/sphere-surface.png

But one more problem, the triangles should all have the same dimension..
probably this makes it so difficult...

I could find the option in blender, have you got some more information about that?

Thanks a lot for your great help!

dave

 

[Ethatron]

Do you mean triangle-area? That would result in a degradation of the surface-details at creases fe.

 

[MfA]

How about you describe the problem and why you want something nonsensical as turning a 3D model into a set of identical (equilateral?) triangles, or even equal area triangles ... that CGAL mesher you link does neither! (It's 3D Delaunay.)

 

[Davros]

How about you describe the problem and why you want something nonsensical as turning a 3D model into a set of identical (equilateral?) triangles, or even equal area triangles ... that CGAL mesher you link does neither! (It's 3D Delaunay.)

Ahh, I took the question as all triangles must be the same size - still nonsensical
and he wants to turn a skull into a ball

 

[jlippo]

One method would be voxelization and then polygonising it with marching cubes..

Polygons would be roughly same sized and if one needs to do morphing it's easy to do with voxels.

 

[kramarev]

question

hakopdetak, What have you found, finally? Now I have to solve axactly the same problem: I need to turn the 3D model to equal triangles. May be you already know how to do that? Can you help me?