 | | | same size polys | same size polys 2004-03-23 - By kim aldis
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have you looked for a smooth or relax tool?
> -- --Original Message-- --
> From: owner-xsi@(protected)
> [mailto:owner-xsi@(protected)] On Behalf Of Chris Marshall
> Sent: 23 March 2004 14:53
> To: XSI@(protected)
> Subject: RE: same size polys
>
> What if you calculate the average area, then loop through
> every poly, comparing the size with the average. If a poly is
> greater than twice the average, it's subdivided down.
> Now each poly needs to be scaled towards the average, but you
> don't do this in one go. Maybe you scale the first poly by 10
> percent of what it needed to be scaled to reach the average.
> then you move onto poly 2 and do the same, etc etc. So when
> you've done the lot, they're all slightly closer to the size
> you want them to be.
> Then you process the whole thing again, so that bit by bit,
> it moves in the right direction. How many times you need to
> cycle through, I have no idea.
> I'm probably talking total rubbish!
>
>
> -- --Original Message-- --
> From: owner-xsi@(protected)
> [mailto:owner-xsi@(protected)]On Behalf Of Helge Mathee
> Sent: Tuesday, March 23, 2004 2:34 PM
> To: Chris Marshall; XSI@(protected)
> Subject: Re: same size polys
>
>
> Well - this will result in a recursive problem.
> When you scale a polygon, all surrounding ones will be scaled as well.
> That's why this problem is really not that trivial.
>
> That's the same for moving a point. This will change the size
> of one polygon in a correct way, but the others connected to
> that points may be influenced in a wrong way.
>
> So imo the only way to solve that is a complete analysis of
> the mesh, and projecting it completely new and fresh. *yumm*
>
> Helge
>
> -- -- Original Message -- --
> From: "Chris Marshall" <chris@(protected)>
> To: "Helge Mathee" <helge.mathee@(protected)>
> Sent: Tuesday, March 23, 2004 3:29 PM
> Subject: RE: same size polys
>
>
> > Thanks Helge! I'll give that a try.
> > I had assumed that points on the existing geometry would need to be
> > moved, to get this to work. That's not a problem.
> > I was thinking that an average size could be calculated, then
> > individual polys would be scaled to fit that average. If they were
> > more than twice
> the
> > size of the average, they would be subdivided first, then scaled.
> > Something like that?
> > The overall shape isn't too important, so post tweaking can be done.
> >
> > Chris
> >
> >
> > -- --Original Message-- --
> > From: Helge Mathee [mailto:helge.mathee@(protected)]
> > Sent: Tuesday, March 23, 2004 2:23 PM
> > To: XSI@(protected); Chris Marshall
> > Subject: Re: same size polys
> >
> >
> > Hi Chris,
> >
> > try the attached script.
> > I did this once... It selects all polygons which are
> greater than the
> > average one.
> > May use the script, subdivide, use it again, subdivide....
> >
> > Should result in ya, well - nearly what you were asking for.
> >
> > Do you want to move the points of existing geometry - or just to
> subdivide?
> >
> > -- -- Original Message -- --
> > From: "kim aldis" <kim@(protected)>
> > To: <XSI@(protected)>
> > Sent: Tuesday, March 23, 2004 2:31 PM
> > Subject: RE: same size polys
> >
> >
> > > Alternatively, someone somewhere wrote some smooth tools
> which might
> relax
> > > the mesh into something like your're talking about.
> > >
> > > > -- --Original Message-- --
> > > > From: owner-xsi@(protected)
> > > > [mailto:owner-xsi@(protected)] On Behalf Of kim aldis
> > > > Sent: 23 March 2004 13:09
> > > > To: XSI@(protected)
> > > > Subject: RE: same size polys
> > > >
> > > > A geodesic would be the way to do that Chris, or isn't
> that what
> > > > you mean?
> > > >
> > > >
> > > > > -- --Original Message-- --
> > > > > From: owner-xsi@(protected)
> > > > > [mailto:owner-xsi@(protected)] On Behalf Of Chris Marshall
> > > > > Sent: 23 March 2004 11:48
> > > > > To: XSI@(protected)
> > > > > Subject: RE: same size polys
> > > > >
> > > > > Helge,
> > > > > If you just take a default sphere and try to subdivide it
> > > > so all the
> > > > > polys are the same size. It's as simple as that.
> > > > > Cheers
> > > > >
> > > > > Chris
> > > > >
> > > > >
> > > > > -- --Original Message-- --
> > > > > From: owner-xsi@(protected)
> > > > > [mailto:owner-xsi@(protected)]On Behalf Of Helge Mathee
> > > > > Sent: Tuesday, March 23, 2004 10:58 AM
> > > > > To: XSI@(protected)
> > > > > Subject: Re: same size polys
> > > > >
> > > > >
> > > > > okay - send me an example scene or somethin'.
> > > > >
> > > > > I will have a look at it.
> > > > >
> > > > >
> > > > > -- -- Original Message -- --
> > > > > From: "Chris Marshall" <chris@(protected)>
> > > > > To: <XSI@(protected)>
> > > > > Sent: Tuesday, March 23, 2004 11:21 AM
> > > > > Subject: RE: same size polys
> > > > >
> > > > >
> > > > > > Helge,
> > > > > > come over here and have a great big hug!
> > > > > > Ahem, yes, there ...ere... is a need.
> > > > > >
> > > > > > ..coughs in a rather deep voice.
> > > > > >
> > > > > > If you could, that would be superb!!
> > > > > >
> > > > > > What else can I say but Thanks!
> > > > > >
> > > > > > Chris
> > > > > > (father of 2)
> > > > > >
> > > > > >
> > > > > > -- --Original Message-- --
> > > > > > From: owner-xsi@(protected)
> > > > > > [mailto:owner-xsi@(protected)]On
> > > > > > Behalf Of Helge Mathee
> > > > > > Sent: Tuesday, March 23, 2004 10:09 AM
> > > > > > To: XSI@(protected)
> > > > > > Subject: Re: same size polys
> > > > > >
> > > > > >
> > > > > > not sure if possible with the on-board-tools...
> > > > > >
> > > > > > I'd use a script... let me know if there's a need... ;-)
> > > > > >
> > > > > > I wear my mercy-trousers today...
> > > > > >
> > > > > > cheers,
> > > > > >
> > > > > > Helge
> > > > > > -- -- Original Message -- --
> > > > > > From: "Chris Marshall" <chris@(protected)>
> > > > > > To: <xsi@(protected)>
> > > > > > Sent: Tuesday, March 23, 2004 10:54 AM
> > > > > > Subject: same size polys
> > > > > >
> > > > > >
> > > > > > > Hi All,
> > > > > > > I have a fairly irregular shaped object (a sphere with
> > > > > bits pulled
> > > > > > > out
> > > > > in
> > > > > > > all directions, a bit like a starfish), and I want to
> > > > > subdivide it
> > > > > > > up so that all the polys (triangles) are more or less the
> > > > > same size.
> > > > > > > Is this possible to do fairly easily?
> > > > > > > Thanks
> > > > > > >
> > > > > > > Chris
> > > > > > >
> > > > > > >
> > > > > > > Chris Marshall
> > > > > > > Senior Animator
> > > > > > > Eclipse Creative Limited
> > > > > > > Tel: +44 (0) 29 2047 0070
> > > > > > > Fax: +44 (0) 29 2047 0071
> > > > > > > www.eclipsecreative.co.uk
> > > > > > > www.eclipsecreative.tv
> > > > > > >
> > > > > > >
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