[Bf-committers] Alternate Proposal - Meta-Sculpting

[Jason Wilkins]

We are in agreement about not focusing on the non-photorealistic
rendering aspects of this paper.  I'm not even especially interested
in the "implicit surface" aspect where they do layers, hair, and
features.  I'd focus on saving strokes and being able to modify those
strokes, and being able to reapply those strokes as they they are
modified (or not, if there are too many to do in real time).  I'd see
that as a foundation for doing a lot of other things.


On Wed, Apr 4, 2012 at 2:29 PM, Sean Olson <seanolson at gmail.com> wrote:
> I think a picture is worth a 1000 words, and a video is worth 10,000.  Here
> is the link to implicit canvas youtube video and paper so you guys can see
> what it's all about.
>
> youtube:  http://www.youtube.com/watch?v=wZh3NLx4mzA
> paper:  http://zurich.disneyresearch.com/OverCoat/
>
> Looks exciting to me, not sure how much I would personally use the NPR
> stuff though.  I've not read the paper so I don't know if there are deeper
> implications though.
>
> -Sean
>
> On Wed, Apr 4, 2012 at 12:00 PM, CG Cookie <jonathan at cgcookie.com> wrote:
>
>> I am not a developer and so I cannot comment on the feasibility of this as
>> a GSOC project, but I love the proposal from a user perspective! The Disney
>> research videos are incredible. I can see a lot of potential to this kind
>> of system.
>>
>> --
>> Jonathan Williamson
>>
>> Instructor - http://www.blendercookie.com (http://www.blendercookie.com/)
>> Personal Trainer - http://www.mavenseed.com (http://www.mavenseed.com/)
>> Portfolio - http://www.jw3d.com (http://www.jw3d.com/)
>>
>>
>> On Wednesday, April 4, 2012 at 1:52 PM, Jason Wilkins wrote:
>>
>> > Is there no interest in this idea or did I fail to explain it well
>> enough?
>> >
>> >
>> >
>> > On Tue, Apr 3, 2012 at 3:42 PM, Jason Wilkins <jason.a.wilkins at gmail.com(mailto:
>> jason.a.wilkins at gmail.com)> wrote:
>> > > I'll have a chance to write up both of my proposals in detail by early
>> > > Thursday I hope.  I'm submitting an alternate proposal because I've
>> > > been made aware that work on a portable device Blender may cause too
>> > > many conflicts.  I understand that the two proposals might make very
>> > > different decisions about how to raise the abstraction level of
>> > > Blender's drawing code.
>> > >
>> > > This proposal was inspired by Disney's research into an "Implicit
>> Canvas"
>> > >
>> > > So, Meta-Sculpting:
>> > >
>> > > The very basic idea is to enable features that would be possible if we
>> > > could retain all of the users brush stroke input.  One thing we could
>> > > do is modify the strokes themselves with sculpting tools, hence the
>> > > name, "meta-sculpting."
>> > >
>> > > (I do not want to go too far down the rabbit hole, but you could also
>> > > conceivably sculpt the strokes that modify other strokes...  but there
>> > > is no need to get that complex.)
>> > >
>> > > What could we do?
>> > >
>> > > *Create a path by tracing it along an object.
>> > > *Draw hairs onto an object
>> > > *Undo, modify, and then reapply strokes to an object with real time
>> > > preview of changing parameters
>> > > *Create a large set of paths for particles to follow along the surface
>> > > of an object
>> > > *Use the paths to generate an implicit function, use the implicit
>> > > function and dual-contouring to create a new mesh
>> > > *Animate the transformation of the paths, and then do any of the
>> > > above, but with animation
>> > > *Many geometry modifiers could be implemented on paths
>> > > *You can project paths into 2D and then use them to do 2D painting
>> > > (you could potentially automate a program like MyPaint)
>> > >
>> > > Paths do not have to lay on a surface either.  They could be offset,
>> > > or even have a variable offset as you stroke (for hair or feather
>> > > paths)
>> > >
>> > > Of course I cannot achieve all of this in one summer, but I could lay
>> > > the foundation.
>> > >
>> > > If this idea is too strange then I am left with a grab bag of smaller
>> > > features.  I'm still committed getting done the other paint and sculpt
>> > > features I've been working on the past couple of years.
>> > >
>> >
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>> >
>> >
>>
>>
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