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Topic: Visible mesh edges in PDF output of 3D graphic
Replies: 5   Last Post: Mar 17, 2013 3:08 AM

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David Reiss

Posts: 603
Registered: 2/24/06
Re: Visible mesh edges in PDF output of 3D graphic
Posted: Mar 16, 2013 3:14 AM
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On Mar 15, 1:46 am, JUN <noec...@gmail.com> wrote:
> On Thursday, March 14, 2013 4:13:09 AM UTC-7, Peter Pein wrote:
> > Am 13.03.2013 09:18, schrieb David Reiss:
>
> > > Consider the following plot:
>
> > > graphicTest=
>
> > > ContourPlot3D[{h==0,g==0},{x,-2,2},{y,-2,2},{z,-2,2},
>
> > > MeshFunctions->{Function[{x,y,z,f},h-g]},
>
> > > MeshStyle->{{Thick,Black,Opacity[1]}},
>
> > > Mesh->{{0}},
>
> > > ContourStyle->{
>
> > > Directive[Orange,Opacity[.5],Specularity[White,30]],
>
> > > Directive[Purple,Opacity[.3],Specularity[Green,30]]},
>
> > > PlotPoints->30,
>
> > > Boxed->False,
>
> > > (*Axes->False,*)
>
> > > BoxRatios->Automatic,
>
> > > PlotRange->{All,All,{-2,2}}
>
> > > ]
>
> > > Then export it as a PDF and look at it in a PDF viewer (insert your
>
> > > directory path at <<<your directory path here>>> to make this work):
>
> > > Export["<<<your directory path here>>>/
>
> > > testGraph.pdf",graphicTest,"PDF"]//SystemOpen
>
> > > Look at the resulting PDF. You will see the lattice of the underlying
>
> > > plot mesh visible. Is there any way to get rid of this? Note that I
>
> > > expect to see the fasceted nature of the graphic, but the explicit
>
> > > differently colored edges are not desired.
>
> > Hi David,
>
> > as you did not provide us with the definitions of g and h, I invented
>
> > some toy expressions:
>
> > {g, h} = Plus @@@
>
> > Through[{Cos, 1 - 2 Sinc[#/2]^2 &}[Pi*{x, y, z}]];
>
> > The plain export to PDF results in a 110 MB file with which the
>
> > Adobe-Reader has got hard times (it crashes on my 12GB-box). GS-View
>
> > works and I can see the many lines.
>
> > If losing the scalability is acceptable,
>
> > Export[ToFileName[{$HomeDirectory, "Desktop"}, "test2.pdf"],
>
> > Rasterize[graphicTest, ImageSize -> 1200], ImageResolution -> 300]
>
> > might help (resulting in a 633 KB PDF file). I tried an export without
>
> > explicit rasterization via the options "AllowRasterization"->True and
>
> > ImageResolution -> 300 in the call to Export[], but it did not look as
>
> > nice as the result of the above line. Maybe I misunderstood the meaning
>
> > of this option :(
>
> > hth,
>
> > Peter
>
> What I do in these cases is described here:http://mathematica.stackexchange.com/a/1551/245
>
> Before making any plots, execute this command:
>
> Map[SetOptions[#,
> Prolog -> {{EdgeForm[], Texture[{{{0, 0, 0, 0}}}],
> Polygon[#, VertexTextureCoordinates -> #] &[{{0, 0}, {1,
> 0}, {1, 1}}]}}] &, {Graphics3D, ContourPlot3D,
> ListContourPlot3D, ListPlot3D, Plot3D, ListSurfacePlot3D,
> ListVectorPlot3D, ParametricPlot3D, RegionPlot3D, RevolutionPlot3D,
> SphericalPlot3D, VectorPlot3D}];
>
> Jens


Jens,

This appears to do the trick. Thanks so much...
best,
David




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