New answers tagged bmesh
1
Some code from this answer. But adapted for bmesh and the selection aspects of this question.
The principle is to start from selected vertices, and:
Make a dictionary of possible links to other vertices
Iterate available vertices and for each follow all possible remaining paths
The code with comments:
import bpy
import bmesh
def make_vert_paths( verts ):...
3
Remesh modifier does not have a function affecting only a specific group of vertices.
A: I don't think it is possible to Remesh only specific object faces.
Quite hard imagine how this "remeshed" part of model (vertex group) would be merged with original. I think it would result with much more artefact on surface - since it will mix two different topologies....
3
Add vert at cursor in edit mode
The cursor is in global coordinates. Set to local by multiplying by the objects world matrix inverse.
import bpy
import bmesh
context = bpy.context
scene = context.scene
ob = context.object
mwi = ob.matrix_world.inverted()
me = ob.data
bm = bmesh.from_edit_mesh(me)
bm.verts.new(mwi @ scene.cursor.location)
bmesh....
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