Thanks Tom. I'm reworking my proposal.
On Wed, Apr 6, 2011 at 1:56 AM, Tom M <[email protected]> wrote: > For the 'slice and connect' tool, > > 1) user generate pen strokes > 2) user generate a stroke that is tangent to the original strokes > 3) at each intersection cast a ray perpendicular to the intersection > that penetrates to the opposite side of the volume (martins 'etch a > ton' continuous embedding code can do this > http://wiki.blender.org/index.php/User:Theeth/etch-a-ton - see the > octopus demo - http://vimeo.com/2032424 ) > 4) from this ray and the original stroke you can construct a plane > then you can raycast from the center of the volume in each direction > to find where to place the points of your circle (probably can reuse > some shrinkwrap modifier code for this part) > 5) repeat that for each slice > 6) then connect the slices with a loft (see the loop tools code for > lofting algorithm) > > other folks can probably help you a bit more with the algorithm but > etch-a-ton; shrinkwrap; and looptools are where i'd look for > inspiration. > > Regarding the 'paint stroke tool' - Alice and Johnathon - I'd > completely forgotten that cambo had written his retopo tool for durian > (he removed it since the durian team wasn't using it and he didn't > have time then to maintain it) that does i think exactly what this is > intended to do, and he plans to add it to add ons. So if that is the > case, it might be a good idea to choose another retopology tool to > implement for your proposal. > > LetterRip > > On Tue, Apr 5, 2011 at 8:52 PM, Alice Li <[email protected]> wrote: > > Thanks Jonathan, I probably should have ran the slice tool by you as > well. > > > > For the slice tool/guide strokes tool, I can see that it's a variation of > > the paint strokes tool but I'm not sure I completely understand the > > functionality. So the mesh that's created is generated around all the > model > > as in 360 degrees? > > > > > > > > On Wed, Apr 6, 2011 at 12:27 AM, Jonathan Williamson < > > [email protected]> wrote: > > > >> Hey Alice, > >> > >> I actually have a couple more suggestions for you in regards to the tool > >> functionality. > >> > >> > >> Pen Tool > >> I feel it should not be restricted to only creating quads. Even as the > >> topology snob that I am, occasionally it is necessary to use triangles. > This > >> is particularly true in lowpoly meshes where deformation is not a > problem. > >> When creating very lowpoly meshes it's almost essential to use > triangles. > >> > >> Slice Tool > >> The slice tool you have proposed is almost identical to the old knife > tool, > >> which while important, I don't feel makes sense to be part of this > project. > >> This is mostly because Joe Edgar as already implemented the beginnings > of a > >> very good knife tool alongside BMesh. It's my feeling that any retopo > tools > >> you develop should be designed to work with the future BMesh. Since Joe > has > >> already developed this I feel it would be overkill for this project. > >> > >> The Slice tool that I was actually referring to in my original > suggestion > >> was this one: http://3d-coat.com/uploads/pics/rtp_slices.gif > >> > >> What it does is allows you to quickly draw several guides across a > tubular > >> section of your mesh and automatically generate a encapsulating mesh > that > >> snaps to the surface. > >> > >> This method is very quick and powerful for retopo'ing anything from > arms, > >> legs, treebanchs and other tubular forms. Perhaps the tool should be > renamed > >> to Guide Strokes. > >> > >> Other than those couple things everything looks great for the > >> functionality! > >> > >> -- > >> Jonathan Williamson > >> > >> Instructor - http://www.blendercookie.com > >> Personal Trainer - http://www.mavenseed.com > >> Portfolio - http://www.jw3d.com > >> > >> On Tuesday, April 5, 2011 at 11:00 PM, Alice Li wrote: > >> > Hi, > >> > > >> > I've been working on my GSoC 2011 proposal for the last few days for > >> adding > >> > new retopology tools. If anyone could give me any kind of feed back > >> before I > >> > submit it I would really appreciate it, is it detailed enough? > >> Feasibility? > >> > Too long? Too short?? etc. A really big thanks to Jonathan Williamson, > >> > Nicholas Bishop and LetterRip for their help these past couple of > days. > >> > > >> > Link: http://wiki.blender.org/index.php/User:Lynseed > >> > > >> > Thanks in advance, > >> > Alice > >> > _______________________________________________ > >> > Bf-committers mailing list > >> > [email protected] > >> > http://lists.blender.org/mailman/listinfo/bf-committers > >> > > >> _______________________________________________ > >> Bf-committers mailing list > >> [email protected] > >> http://lists.blender.org/mailman/listinfo/bf-committers > >> > > _______________________________________________ > > Bf-committers mailing list > > [email protected] > > http://lists.blender.org/mailman/listinfo/bf-committers > > > _______________________________________________ > Bf-committers mailing list > [email protected] > http://lists.blender.org/mailman/listinfo/bf-committers > _______________________________________________ Bf-committers mailing list [email protected] http://lists.blender.org/mailman/listinfo/bf-committers
