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

• To: mathgroup at smc.vnet.net
• Subject: [mg29418] Re: How to produce "thick" lines in 3D?
• From: "Orestis Vantzos" <atelesforos at hotmail.com>
• Date: Tue, 19 Jun 2001 05:35:36 -0400 (EDT)
• Organization: National Technical University of Athens, Greece
• References: <9gkbiq\$e2c\$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

```ParametricPlot3D[{Cos[t], Sin[t], 0, Thickness[.03]}, {t, 0, 2\[Pi]}] will
return a thick circle.
Help says that you can use a "color specification" as a fourth element in
the {fx,fy,fz} list, but it seems to be working with any relative graphics
primitive, such as Thickness.
Orestis

"Jose Capco" <jcapco at mathematik.uni-ulm.de> wrote in message
news:9gkbiq\$e2c\$1 at smc.vnet.net...
> 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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