Re: [Bf-committers] Prospective GSOC [Harshit Mehta]
Hi, Thanks everyone for going through my ideas. I am dividing my reply in two parts. *** Improvements in decimate I agree that it would not be right to disturb the generic way modifiers are, but a decimate as a brush could be done. Further, selective poly-reduction could be done by making vertex groups but won't it be too cumbersome to repeat this process for vertices in different parts of mesh? I feel, brush could be very much handy in such cases. Many scultping softwares like zbrush and sculptris have such tools. ( http://www.pasteall.org/pic/68339 ) For internal symmetry detection (previous mail), I plan to use algorithms of partial and approximate matching explained in http://lgg.epfl.ch/publications/2006/mitra_2006_PAS.pdf For mesh reduction considering color, texture and other vertex properties (previous mail), this paper provides extension of normal edge collapse technique: http://goo.gl/snnt89 *** Tool-matching from other softwares Space-bar search is very handy and it would be only wise to improve it further rather than bringing in new competitor (too much clutter). I understand the constant maintenance my idea requires and how it could annoy seasoned blender users. I would love to implement tool-matching part as an addon outside soc for people migrating from other softwares. Harshit Mehta Email: harshitmehta2...@gmail.com Phone No: +918058412102 IRC nick: Harshit22 ___ Bf-committers mailing list Bf-committers@blender.org http://lists.blender.org/mailman/listinfo/bf-committers
Re: [Bf-committers] Prospective GSOC [Harshit Mehta]
Hello, This is in continuation of my previous mail. If http://goo.gl/snnt89 doesn't works, paper in pdf can be seen at http://dl.acm.org/citation.cfm?id=288280. I am sorry for any inconvenience caused. Harshit Mehta Email: harshitmehta2...@gmail.com Phone No: +918058412102 IRC nick: Harshit22 ___ Bf-committers mailing list Bf-committers@blender.org http://lists.blender.org/mailman/listinfo/bf-committers
Re: [Bf-committers] Prospective GSOC [Harshit Mehta]
Hello, I have already stated a part of my work (improvements in decimate modifier) i wish to do for GSOC '14. I said in previous mail that i would love to add one more modifier. Instead I thought of a search feature in blender. While switching from Maya to blender, one problem i faced was finding similar tools. What is called 'decimate' in blender is 'reduce' in maya, 'optimize' in 3ds max. So i plan to develop a search menu on info panel header (or add a new panel altogether) where user selects his previous 3D software and searches for a menu option present in it. In return he gets an equivalent one in blender with directions on how to reach it i.e panel -- region -- menu -- tool/option It could compensate need for tutorials (and googling) for artists already used to other softwares . I know blender's workflow is quite intuitive but such a search facility would definitely be a worthy addition. It would be just simple queries answered from offline database. Other than matching commands across softwares, i also plan for a micro-search engine. If I query ' add edges' i should get various ways of doing so maybe 1. knife 2. loop cut and slide. This is a very primitive example. It would be able to perform searches of higher complexities. A professional software much appreciated for its good help is MATLAB from mathworks. I don't wish such huge help but a small (small size of blender is one of its positive points) and efficient one removing dependency on internet. I am eagerly waiting for feedback from developers on my both ideas. Once I get it I could proceed further with my proposal. Harshit Mehta Email: harshitmehta2...@gmail.com Phone No: +918058412102 IRC nick: Harshit22 ___ Bf-committers mailing list Bf-committers@blender.org http://lists.blender.org/mailman/listinfo/bf-committers
[Bf-committers] Prospective GSOC [Harshit Mehta]
Hello everyone, I am using blender since last two years. Before that I was onto Autodesk Maya (student version). This winter I got chance to download blender code and build it. I tried it on windows with MSVC9 following wiki. Since then I am trying to get myself familiar with source code. Recently I am also trying to solve few bugs. That's for my introduction. Now I turn to my main purpose of contributing Blender through GSOC 2014. I am writing this mail to get feedback on my ideas for proposal. I wish to modify decimate modifier by adding a brush facility to selectively reduce meshes. 1**. One could adjust brush size (part of mesh under impact) as with other brushes. Decimate need to be operated in edit mode then. 2**. Use of brush strength parameter - With lower brush strength, only edges (low cost) with lengths below certain threshold will get collapsed. Other low cost edges will only get shortened. If artist feels edge shortening doesn't affect mesh shape largely he can with subsequent brush applications get edge collapsed. So in nutshell there would be a length threshold below which edges will get collapsed. As brush strength increases, this threshold will also increase. 3. Symmetric reduction by specifying plane of symmetry It would be useful for human body like meshes. Apply reduction on one half and other also gets mesh-reduced. Symmetry could also be made to be calculated without POS specification. This option would be manifested as a check-box. 4. Within current edge collapse, option could be added to replace edge with its midpoint instead of moving one vertex to another. Again that would be more useful for symmetric objects. I doubt unsubdivide would also give similar results. So may not be much of new addition. 5. I would love to try implementation of hoppe's energy criterion for edge (to be collapsed) selection instead of cost factor (length * curvature). This would also take into account contributions of texture coordinates, border edges, and surface discontinuities and select as per lowest energy. Maybe, addition of all above features along with existing ones will create a lot of clutter in decimate section. I wish to completely separate brush implementation from existing one and add point 3,4 and 5 (ones which finally turn out worthy) along with current collapse, un-subdivide and planar. I understand what i have stated above would be much less for a typical GSOC project. I also have plan for adding a new modifier but am currently in search for its implementation techniques. As soon as I figure out sufficient about it, I will write back again. My purpose of writing this mail was only to get feedback on my ideas on decimate modifier. Thanks for going through my mail. I am wait eagerly for feedback from developers. Harshit Mehta Email: harshitmehta2...@gmail.com Phone No: +918058412102 IRC nick: Harshit22 ___ Bf-committers mailing list Bf-committers@blender.org http://lists.blender.org/mailman/listinfo/bf-committers
