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MathGroup Archive 2004

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Re: 3D Plot

  • To: mathgroup at smc.vnet.net
  • Subject: [mg51756] Re: 3D Plot
  • From: "Steve Luttrell" <steve_usenet at _removemefirst_luttrell.org.uk>
  • Date: Mon, 1 Nov 2004 02:52:32 -0500 (EST)
  • References: <cm20d9$g4h$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Here is an example based on a 3D plot in the Graphics`ParametricPlot3D` 
documentation:

<<Graphics`ParametricPlot3D`

ParametricPlot3D[{Cos[u] Cos[v],Sin[u] 
Cos[v],Sin[v],EdgeForm[]},{u,0,2Pi,Pi/20},{v,-Pi/2,Pi/2,Pi/20},
    LightSources->{{{1,0,1},RGBColor[1,0,0]}}];

Comments:
    1. The 4th coordinate is represented in plots by using graphics 
properties (there are no spatial dimensions left to use!). In this case 
EdgeForm[] is used to suppress the mesh lines.
    2. The option LightSources is used to control the placement of the light 
sources. Here LightSources->{{{1,0,1},RGBColor[1,0,0]}} is used to create a 
single red light source that illuminates the part of the plot that is 
visible.

Steve Luttrell

"Flurchick, Kenneth M" <FLURCHICKK at MAIL.ECU.EDU> wrote in message 
news:cm20d9$g4h$1 at smc.vnet.net...
> GentleBeings
> I must be missing something simple
> I have a  CylindricalPlot3D and I want the
> object to have no mesh lines and be one single color
> I note the RealTime3D ignores EdgeForm[]
> Lighting->False with COlorFunction does not seem to do it
> and I just cannot seem to find the right incantation
>
> I looked at the archives and could not find it there either
> kenf
> 



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