[Bf-committers] Cursor to center of mass
patrick boelens
p_boelens at msn.com
Wed Nov 21 20:08:54 CET 2012
Oops, I forgot this was about the cursor snapping and had something else in mind... My apologies. =)
> From: p_boelens at msn.com
> To: bf-committers at blender.org
> Date: Wed, 21 Nov 2012 20:07:04 +0100
> Subject: Re: [Bf-committers] Cursor to center of mass
>
>
> I can sort of see the reasoning behind that, but I would also argue accuracy can be very important. Maybe it'd be worth it to make a "high quality" operator bool in the same vein as the "high quality normals" in the Solidify modifier?
>
> -Patrick
>
> > Date: Wed, 21 Nov 2012 17:36:19 +0001
> > From: sergej.reich at googlemail.com
> > To: bf-committers at blender.org
> > CC: bf-committers at blender.org
> > Subject: Re: [Bf-committers] Cursor to center of mass
> >
> > Hey Jason,
> >
> > currently there is a problem with n-gons when chalculating the center of mass.
> > The issue is that we don't have a good way of calculating centroids for n-gons and just use the vertex average, so the calculated origin will drift a little when your polygons have many vertices.
> > I'd prefer to just tirangulate the model and use the triangle centroids but after a discussion with Campbell we decided it's not worth allocating a bunch of faces just to get a litte more accuracy.
> >
> > Regards, Sergej.
> >
> > Am Di, 20. Nov, 2012 um 12:12 ,Jason Wilkins <jason.a.wilkins at gmail.com> schrieb:
> > Brecht, I figured that was what it did after testing it some, but
> > since subdividing a face caused the center to move slightly I had my
> > doubts. If it was vertexes I expected a really large move (since
> > there were 100 times as many vertexes in my subdivided face than the
> > rest of the model), but using faces or tets it should not move at all.
> > Did I find a bug?
> >
> > On Mon, Nov 19, 2012 at 5:05 PM, "Martin Bürbaum"
> > wrote:
> > > Just FYI - I did something similar ("Snap Cursor to Centroid") as a script a while back.
> > >
> > > http://projects.blender.org/tracker/index.php?func=detail&aid=30299&group_id=153&atid=467
> > >
> > > Cheers,
> > > Martin
> > >
> > > -------- Original-Nachricht --------
> > >> Datum: Mon, 19 Nov 2012 19:00:23 -0300
> > >> Von: Juan Pablo Bouza
> > >> An: bf-committers at blender.org
> > >> Betreff: [Bf-committers] Cursor to center of mass
> > >
> > >>
> > >> Hi! The addition of the "center of mass" option for object origins is
> > >> really cool!
> > >>
> > >> Now, there are many times in rigging when you need the center of the
> > >> object to be at 0 0 0, specially for exporting meshes. So, in these
> > >> cases, the "origin to center of mass" option would not be used.
> > >> Nevertheless, the center of mass options would be really usefull for
> > >> placing objects such as bones...
> > >>
> > >> So, I propose to add the center of mass option also in the Cursor
> > >> snapping menu (shif+S). That would be "cursor to center of mass".
> > >>
> > >> Cheers!
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