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Questions on creating visualizations from functions or data using high-level constructors such as Plot, ListPlot, Histogram, etc.

4 votes
2 answers
518 views

ListDensityPlot controlling the number of colors

Is there a way to set the number of colors used in ListDensityPlot. I am using "Rainbow" as follows: ShowLegend[ ListDensityPlot[TestList, ColorFunction -> "Rainbow"], {ColorData["Rainbow"][1 - #1] …
Shrihari's user avatar
  • 117
2 votes
1 answer
2k views

How to increase font-size of Text in ShowLegend

The default font-size of Legend text generated using ShowLegend[] is too small. How does one increase this? The code I am working with is: Needs["PlotLegends`"] LstTest = Flatten[Table[{i, j, (i + j) …
Shrihari's user avatar
  • 117
2 votes
3 answers
4k views

Mathematica 8: ContourPlot finding out max and min function values [duplicate]

I have a ContourPlot where I have let Mathematica draw the contours automatically. I would like to extract the zmax and zmin contour values that have been determined internally so that I can pass them …
Shrihari's user avatar
  • 117
3 votes
1 answer
5k views

ContourPlot Legend with colorbar for arbitrary contour values

I have a ContourPlot in which I have specified the contour-values myself as Contours->{0.01, 0.05, 0.1, 0.2, 0.3}. I would like to get the corresponding contour-values to be shown in the color-bar in …
Shrihari's user avatar
  • 117