Re: How to produce "thick" lines in 3D?

• To: mathgroup at smc.vnet.net
• Subject: [mg29461] Re: How to produce "thick" lines in 3D?
• From: "Orestis Vantzos" <atelesforos at hotmail.com>
• Date: Wed, 20 Jun 2001 04:36:42 -0400 (EDT)
• Organization: National Technical University of Athens, Greece
• References: <9gkbiq\$e2c\$1@smc.vnet.net> <9gn7ls\$es3\$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

```MathGL3d does offer many impressive features,but it is not the solution to
every graphics related problem! Launching an external program is not
something you do casually, and if you are designing code for others to use,
you can not assume that they have MathGL3D available too..So don't rely too
heavily on any Mathematica package, if there is a simple solution available.
Orestis

"Jens-Peer Kuska" <kuska at informatik.uni-leipzig.de> wrote in message
news:9gn7ls\$es3\$1 at smc.vnet.net...
> Hi,
>
> the easy way is to use MathGL3d from
>
> http://phong.informatik.uni-leipzig.de/~kuska/mathgl3dv3/
>
> and send the lines to the MathGL3d window with a
>
> MVLineTubeSize->any number
>
> in the visual parameter panel of MathGL3d.
>
> You *can* use Thickness[] in 3d plots with
>
> gg = ParametricPlot3D[{Cos[phi], Sin[phi], 1, Thickness[0.05]}, {phi, 0,
> 2Pi}]
>
> you will get a thick line.
>
> To get the polygon out-line you have to tranform the polygons
> with the WireFrame[] function or with
>
> the rule
>
> yourGraphics3dObject /.
>   Polygon[pnts_]:>
>     {Thickness[0.05],Line[Append[pnts,First[pnts]]}
>
>
>
> Or if the polygons should survive the EdgeForm[]
> function will do it.
>
> Regards
>   Jens
>
> Jose Capco wrote:
> >
> > Dear NG,
> >
> > I am using ImplicitPlot3D to plot curved line, and circles in three
dimensions
> > (this is a crude way, I plot for instance {Cost,Sint,0} to plot a circle
lying
> > on the xy plane.. is there a package that does this for any polygon
also?).
> > But how is one able to make these circles "thick"? There is no thickness
in
> > Mathematica. This is a problem in design too, for instance if one wants
to
> > design the wireframe of a car or some engineering design then this
problem I
> > think arises. I am hoping for some suggestions.
> >
> > Sincerely,
> > Jose Capco
>

```

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