[Bf-committers] Sculpt Mode Dynamic Topo

[Ronan Ducluzeau]

I can understand your frustration if you are just going back and forth
between Sculpt mode and Object mode or Edit Mode for modeling tools.
But in texture paint mode, you are using UVs. In vertex paint or weight
paint mode, result is proper to vertices indices.

Dynamic Topology is the fact to collapse, remove vertices and create new
vertices under brush pointer.
Using it, geometry is constantly re-indexed messing up what can be done in
paint modes.
Adopted solution was to clearly inform user that UVs, Vertex color and
Vertex Groups would be lost and properly delete these former data.

I don't know if it is possible to keep an historical index with gaps,
discontinuities in number list created by deletion of vertices instead of
current automatic re-indexation. That would solve many problems. I suppose
that if automatic re-indexation is there, it is needed.

User may know that dynamic sculpting and painting can't be done together.
But I don't see a simpler way to warn a user that don't know it.
It would imply not just an OK pop-up at entering in sculpt mode. But a
pop-up with three choïces :
_ Continue to sculpt mode with dynamic topology and loose painted data.
_ Continue to sculpt mode but disable DynTopo.
_ Go back to object mode to duplicate mesh and preserve a chance to
retrieve painted data through a mesh data transfer.

2016-06-19 11:08 GMT+02:00 Knapp <magick.crow at gmail.com>:

> Hello,
>
> I was not sure where to post this so I picked here. I was tempted to post
> it as a bug but it seems to be designed this way so no bug but why??
> Thought about funboard but I don't want a new feature so that does not
> work.
>
> When You are using Dynamic topo you must enable it. And this is normal for
> blender to have to set something up. This is good. But when you switch to
> another mode and back then Topo is turned back off with no warning or
> reason that I can see. This it totally not normal for Blender UI. I can't
> name any other mode or setting that turns itself off every time you do
> something else. This is none standard and is very annoying to me.
>
>
> So what is up with this? Can we change it? Why should it stay the way it
> is? Why was it made this way in the first place?
>
> Thanks.
>
> Douglas E Knapp.
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