My points are not Uniform distribution.They take from intersections of 89 wefts and 180 warps.So the points are intensive at poles and sparse at equator.Is this the problem?
2013/9/25 Moreland, Kenneth <kmo...@sandia.gov> > That is strange. I cannot replicate your problem. I used a point source > to create 16020 random points in a sphere, and the Delaunay triangulation > took only about 2 seconds. My processor might be a bit better than yours, > but not anywhere near enough to explain the difference. > > What version of ParaView are you using? Are you a binary downloaded from > paraview.org or did you build your own? > > -Ken > > From: 庞庆源 <pangqingyuan1...@gmail.com> > Date: Tuesday, September 24, 2013 10:29 PM > To: Kenneth Moreland <kmo...@sandia.gov> > Subject: [EXTERNAL] Re: [Paraview] Delaunay 3D filter too slow > > in fact,I have only 16020 points for test.My cpu is AMD Athlon(tm) II > P320 Dual-Core Processor with 2.1GHz.How long will it take in this case if > I use one cpu to calculate?I have wait for more than 10 minutes before > stopping it. > > > 2013/9/24 Moreland, Kenneth <kmo...@sandia.gov> > >> Your options are probably either to wait or do something else. >> Delaunay triangulation is a pretty heavyweight operation and in general it >> is not trivial to impose a topology on a collection of points. >> >> You might rethink whether you really need to create a solid sphere in >> the first place. I'm guessing you have at least around 100,000 points (or >> else Delaunay probably would not be that slow). If you just render these >> points as a cloud of points, you should get enough occlusion for it to look >> pretty much like a sphere. >> >> -Ken >> >> From: 庞庆源 <pangqingyuan1...@gmail.com> >> Date: Tuesday, September 24, 2013 5:01 AM >> To: paraview <paraview@paraview.org> >> Subject: [EXTERNAL] [Paraview] Delaunay 3D filter too slow >> >> I have a lot of points taking sample from a solid sphere.So I want to >> use Delaunay 3D filter to render the shpere with known scalars of the >> points.But it took me so much time.What should I do? >> >> -- >> 庞庆源 <pangqingyuan1...@gmail.com> >> > > > > -- > 庞庆源 <pangqingyuan1...@gmail.com> > -- 庞庆源 <pangqingyuan1...@gmail.com>
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