General Category > Ongoing Anim8or Development
Topo Tool
nemyax:
--- Quote from: Raxx on January 27, 2016, 09:17:14 pm ---It's simple, sure, to afterwards click on the point and dissolve it. But then multiply that by dozens of times per model vs one or two times needing the other scenario and you have the greater of two evils.
--- End quote ---
In addition, after you've dissolved an edge, and a point with valency 2 has been left behind, it can become hidden by a face if you're working in shaded mode. You have to jump around for a new angle or switch viewport modes just to clean up. I also feel strongly that the cleanup should be automatic for this particular tool.
Trevor:
It seems that the example you gave with perimiter shapes is probably a bad one.
In that example I agree with you that the perimiter should be unchanged (Option 1)
However it seems that the complaint centers around internal points, where a vertex is left laying co-planner to 2 other verticies and not connected by any other lines. So this case is
IF Vertex connected to 2 other Verticies THEN
IF Vertex is co-planner to Connected_Verticies THEN
Remove Vertex
ELSE do nothing
How does this sound to everyone?
Trev
nemyax:
Trevor
Sounds like an unnecessary distinction. Most of the time in practice, the point you'll want cleaned up won't be collinear with the other two.
nemyax:
The conventional behaviour of dissolve-with-cleanup is as in example 4:
But it's not very useful to show free-floating polygons as an example. You can only see the convenience when this happens in the middle of a mesh.
Trevor:
Hmmm... can I just point out one problem/error with your example number 4.3, the 4 tris where you delete the line connecting the mid-top verticies, if you remove this you will not result in 4, but in only 1 triangle in the lower right.
If not then you yourself are also incuring special instances as an8 cannot just fill holes, but instead also has to draw a new line. An8 may not know that you want a new line to connect verticies 1 and 4...
Steve also mentioned the same problem with examples 2 and 3, how does an8 choose which tri to keep? It cant.
Trev
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