Re: Unwanted lined in PDF-exported Graphics3D
- To: mathgroup at smc.vnet.net
- Subject: [mg86789] Re: Unwanted lined in PDF-exported Graphics3D
- From: rych <rychphd at gmail.com>
- Date: Fri, 21 Mar 2008 01:52:38 -0500 (EST)
- References: <fro362$i47$1@smc.vnet.net> <frqphe$4mn$1@smc.vnet.net>
Yes, I can confirm the problem on 6.0.2 (AdobeAcrobat8 is installed too). And it gets worse when using an online viewer https://share.adobe.com/adc/adc.do?docid=86ab9d5b-f681-11dc-8d05-e59350926= 3b8 Igor On Mar 20, 8:00 am, Mariano Su=E1rez-Alvarez <mariano.suarezalva... at gmail.com> wrote: > On Mar 19, 7:22 am, Szabolcs Horv=E1t <szhor... at gmail.com> wrote: > > > > > Mariano Su=E1rez-Alvarez wrote: > > > Simple code as > > > > Export["test.pdf", > > > Graphics3D[{ > > > Polygon[Table[Chop[{Cos[t], Sin[t], 0}], {t, 0, 2 Pi, 0.1}]] > > > }] > > > ] > > > > results in a PDF file which has lots of extra lines on the surface. > > > > Is there a way to get rid of them? > > > In this specific case I cannot see any lines with Adobe Reader 8.1.2. > > However I think I know the problem that you are referring to. The lines= > > are an artifact of antialiasing, so there is not way to get rid of them > > (apart from using a different PDF reader). > > > For some reason Mathematica likes to break up large polygons into many > > small ones and their edges become visible. > > > See this thread: > > >http://groups.google.com/group/comp.soft-sys.math.mathematica/browse_... > > I guessed it was antialiasing. It very much > destroys the esthetics of these graphics I'm > working on (sets of symmetry planes of polyhedra, > each one drawn as a disc), sadly, for PDF output. > > I guess I was wondering if there is some way > to tell Mathematica to work harder and not use that > many polygons. Rasterizing in order to include > in a PDF seems like a very wrong path... > > Oh well. > > -- m