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I have similar question like mentioned at representing triplet data set with color on 2d plot but this time instead of color I need to represent variation of third axis with the thickness of the curve

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Here Filling can be a big help.

Some sample data:

data = {#, Sin[#], #^2} & /@ Range[0, 10, 1/4];

A function to help create the variable "thickness". The parameter f is like a scaling factor:

addThickness[data_, f_] := 
 Transpose[
  data /. {x_, y_, z_} :> {{x, y}, {x, y - f z}, {x, y + f z}}]

and now make the FillingStyle match the PlotStyle:

ListLinePlot[addThickness[data, 0.01], 
 Filling -> {2 -> {1}, 3 -> {1}}, PlotStyle -> Blue, 
 FillingStyle -> Opacity[1]]

enter image description here

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  • $\begingroup$ How can I apply this method to list data like data = Table[{TL[[jj, 5]], TL[[jj, 6]], TL[[jj, 1]]}, {jj, 1, Length[TL]}]; $\endgroup$ – physicist Apr 1 '14 at 20:37
  • $\begingroup$ I have used the above code but it is not so useful because it is creating negative values of third variable which is not the part of data $\endgroup$ – physicist Apr 1 '14 at 21:39

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