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MathGroup Archive 2007

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Re: 4D plot ?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg73382] Re: 4D plot ?
  • From: "dimitris" <dimmechan at yahoo.com>
  • Date: Thu, 15 Feb 2007 04:55:06 -0500 (EST)
  • References: <equnpe$iip$1@smc.vnet.net>

Condidering myself far from being a guru I would consult the following
link

http://groups.google.gr/group/comp.soft-sys.math.mathematica/browse_thread/thread/51005c87af26ac16/40f8d586474204aa?lnk=gst&q=4D+plot&rnum=5&hl=el#40f8d586474204aa

or the book Mathematica Graphics of T W Jones.

Understanding that this reply is not very helpful for you until now
(and it is not very easy to buy a book that at least in my country-
Greece-costs 90 Euros) I coppy the ScatterPlot4D user defined function
from this book along with some examples

Off[General::spell1]

ScatterPlot4D[data_/;MatrixQ[data,NumberQ]&&Length[First[
          data]]\[Equal]4,fun_,opts___]:=
  Module[{res,coord},coord=(Last/@data);min=Min[coord];
    max=Max[coord];Show[Graphics3D[{fun[(Last[#]-min)/(max-
min)],Point[Take[#,\
3]]}&/@data,opts]]]

(rad:=2Random[]-1;
  data=Table[{xvar=rad,yvar=rad,zvar=rad,Abs[xvar yvar zvar]},{100}];)

ScatterPlot4D[data,GrayLevel]

ScatterPlot4D[data,RGBColor[#,1-#,1]&]

Show[%/.Point[pt_]\[RuleDelayed]Cuboid[pt,pt+{0.1,0.1,0.1}],
      Lighting\[Rule]False]

On[General::spell1]

Best Regards
Dimitris




=CE=9F/=CE=97 J=C3=A1nos =CE=AD=CE=B3=CF=81=CE=B1=CF=88=CE=B5:
> Hi,
>
> What the gurus use to display 4D data ?
>
> lst={{w1,x1,y1,z1},{w2,x2,y2,z2},....}
>
> where lst is the result of some Position[set,{i}] query.  The i in
> {i} can be any small natural number below 1000.  Obviously "set" has
> that degree of nesting which always produce 4D data  for any Position
> [set,{i}] query.
>
> Thanks ahead,
>
> J=E1nos=



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