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MathGroup Archive 2006

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Re: ScatterPlot3D with One More Dimension?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg65150] Re: ScatterPlot3D with One More Dimension?
  • From: dh <dh at metrohm.ch>
  • Date: Wed, 15 Mar 2006 23:59:24 -0500 (EST)
  • References: <dv903u$nj7$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi Matt,
you may create a plot using graphic primitives.
E.g. assume you have your data as 4-tupel, where the first element gives 
the state of the point, e.g. 0 and 1:

dat={{0, 0, 0, 0}, {1, 1, 1, 1}, {0, 0, 0, 1}, {1, 1, 0, 0}}

  We can now use the first element to generate the wanted color:

Show[Graphics3D[
    { If[#[[1]]==0, Hue[0.5],Hue[1]], Point[Rest[#]]}& /@ dat
], Axes -> True]

Matt Thompson wrote:
> Folks, I'm wondering if it's possible to add a dimension to a ScatterPlot3D in the form of color?  I have a Perl script that generates a list of {x,y,z} for a SP3D from a molecular dynamics trajectory, and it does work, but the plot is just mono.
> 
> Rather, I'd like to change the color of certain points depending on the state the trajectory is on at that time.  That is, a sort of RGBColor[1,0,0] for some points, then back to [0,0,0] for others, &c.
> 
> Is this possible, or should I start exploring IDL, et al?
> 


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