Thanks Julian!
Very usefull!!!
David.
Julian wrote:
> hello matthew,
> and everybody else interested in mesh reduction,
>
> yes you can always use JNI to improve Java performance, and practically it
> does not even mean that your program becomes less portable - as long as you
> include the C source code, anybody having a C compiler can create a native
> library for his platform. it's just not as easy to deploy the app later.
> also, you cannot use JNI with an Applet, as far as i know.
>
> concerning the various requests for URLs on this matter, I have started some
> search queries and this is what I found (within a few minutes). the query
> '+"mesh simplification" polygon "source code"' yielded the most interesting
> results (on www.alltheweb.com). try your own queries, there is lots of stuff
> out there.
>
> (btw, it seems that the most common term is actually "mesh simplification",
> not "mesh reduction" - at least it produces more relevant results.)
>
> 3D Mesh Reduction:
> ------------------
>
> http://www.cs.ualberta.ca/~melax/polychop/ (!!! includes source code)
> http://research.microsoft.com/~hoppe/ (hoppe is involved with progressive
> mesh red. etc.)
> http://www.cs.unc.edu/~geom/envelope.html (simplification envelopes)
> http://www9.informatik.uni-erlangen.de/ger/research/model/meshdec/
> http://meru.cecs.missouri.edu/mvl/flyby/simplification/
> http://www.cc.gatech.edu/gvu/people/peter.lindstrom/
> http://www.andrew.cmu.edu/user/sowen/keyindex.html (interesting summary of
> many gfx-publications)
>
> A Survey and Evaluation of Mesh Reduction Techniques. Burkhard Wuensche,
> Proceedings of IVCNZ '98, Auckland University, Auckland, November 1998,
> pages 393-398
>
> M. A. Khan, , and Judy M. Vance. A mesh reduction approach to parametric
> surface polygonization. In 1995 ASME Design Automation Conf. Proc., volume
> DE-82, pages 41-48, Boston, MA, September 1995.
>
> http://www.cs.cmu.edu/afs/cs/user/garland/www/multires/bib.html
>
> 2D Mesh Reduction (mainly used for terrain maps/advanced imaging):
> -----------------------------------------------------------------
>
> http://king.ticam.utexas.edu/CCV/projects/VisualEyes/visualization/reduction
> /meshreduction.html
> http://iristown.engr.utk.edu/~yiyong/reduceMesh/reduceMesh.html
> http://marathon.csee.usf.edu/range/seg-comp/results.html
> http://trurl.npac.syr.edu/screendumps/gis/cross.html
>
> The following is from the one and only "comp.graphics.algorithms.faq"
> (e.g.
> http://shannon.co.it.pt/~lcruz/documents/comp.graphics.algorithms.faq.html)
>
> ---CUT----------------------------------------------------------------------
> -
>
> Subject 5.15: How do I optimize/simplify a 3D polygon mesh
>
> References:
> "Mesh Optimization" Hoppe, DeRose Duchamp, McDonald, Stuetzle,
> ACM COMPUTER GRAPHICS Proceedings, Annual Conference Series, 1993.
>
> "Re-Tiling Polygonal Surfaces",
> Greg Turk, ACM Computer Graphics, 26, 2, July 1992
>
> "Decimation of Triangle Meshes", Schroeder, Zarge, Lorensen,
> ACM Computer Graphics, 26, 2 July 1992
>
> "Simplification of Objects Rendered by Polygonal Approximations",
> Michael J. DeHaemer, Jr. and Michael J. Zyda, Computer & Graphics,
> Vol. 15, No. 2, 1991, Great Britain: Pergamon Press, pp. 175-184.
>
> "Topological Refinement Procedures for Triangular Finite Element
> Procedures", S. A. Cannan, S. N. Muthukrishnan and R. P. Phillips,
> Engineering With Computers, No. 12, p. 243-255, 1996.
>
> "Progressive Meshes", Hoppe, SIGGRAPH 96,
> http://research.microsoft.com/~hoppe/siggraph96pm/paper.htm
>
> [This list is in need of updating. -jor]
>
> ---CUT----------------------------------------------------------------------
> -
>
> haven't found any freeware tools for now, but using one of the algorithms
> everybody should be able to create his own tool. perhaps you can find one on
> the net, let me know if you do.
>
> if anybody implements one of these algorithms using Java, I would like to
> hear something about performance.
>
> have fun,
>
> -- julian
>
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