[Bf-committers] Shapekey behavior while adding or removing vertices from a mesh
tobias.oelgarte at googlemail.com
Fri Feb 11 15:06:08 CET 2011
If new vertices will just be added/removed in the right order from all
shapekeys, then there should be no issue. (Same location: I would expect
it this way)
But thinking about the implementation: Could it be, that the order of
the indices's can go wild? If the vertices get not synchronously added
or removed, then there could be a problem.
I just wanted to be sure if the key-asignments don't get confussed.
Otherwise i would need to write a script that exports the shapekeys as a
file and restores them after the changes. (using vertex locations in
Basis-shapekey as reference)
PS: Still didn't find the corresponding code to look at.
(adding/removing a vertex while using shapekeys) ;-)
Am 11.02.2011 14:44, schrieb Brecht Van Lommel:
> I don't know any of current bugs with shape keys when adding/removing
> vertexes. However, what this may be referring to is that as you add
> vertices, they will all simply have the same position in all shape
> keys. Blender makes no attempt to cleverly set the positions of those
> new vertices in other shape keys based on surrounding vertices. So in
> practice if you're going to add shape keys to some part of the mesh,
> it's good to have the topology of that part locked down.
> On Fri, Feb 11, 2011 at 1:22 PM, Tobias Oelgarte
> <tobias.oelgarte at googlemail.com> wrote:
>> In many tutorials from Blender 2.4x i read that it will cause problems
>> if you edit a mesh* with shapekeys. (* Adding or removing vertices's)
>> Is this also true for Blender 2.5x, that you might have unexpected
>> results after doing so? Or is this simply a myth? Currently i was
>> working on a mesh with shapekeys to test some features (drivers, ...)
>> and i could not find anything getting messed up as i removed and added
>> some vertices's.
>> Now is my question: Was this issue fixed in the current release, never a
>> problem or it is still there in some cases?
>> Tobias Oelgarte
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>> Bf-committers at blender.org
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