ColorBrewer

make use of color palette from http://colorbrewer2.org in Mathematica

This is my first package written in Mathematica. This package provide a simple wrapper for ColorBrewer.

Usage

<<ColorBrewer`
GetPalette[PaletteName,ColorNumber] 
(*Get the palette with ColorNumber colors under palette with name PaletteName *)
CreateColorFunction[PaletteName,ColorNumber]
(*Get a ColorFunction with ColorNumber colors by palette named PaletteName *)

Example

Plot[Evaluate@Table[Sin[i x], {i, 1, 4}], {x, 0, 2 Pi}, 
 PlotStyle -> GetPalette[Set1, 4]]

Plot3D[Sin[x + y^2], {x, -3, 3}, {y, -2, 2}, 
 ColorFunction -> 
  Function[{x, y, z}, CreateColorFunction[RdYlBu, 5][z]]]

Reverse the ColorFunction with the third argument in CreateColorFunction.

Plot3D[Sin[x + y^2], {x, -3, 3}, {y, -2, 2}, 
 ColorFunction -> 
  Function[{x, y, z}, CreateColorFunction[RdYlBu, 5, True][z]]]

You may also use GetPalette to check the color palette first, such as [Assigning the third argument to True to get a reversed palette.]

You may also display a list of palettes, such as following predefined ones with DisplayPalettes

SequentialPalettes ={"Reds", "YlOrRd", "RdPu", "OrRd", "PuBu", "Greens", "GnBu", 
	"BuPu", "Greys", "Oranges", "YlGnBu", "BuGn", "YlOrBr", "PuRd", "Blues", "PuBuGn", 
	"YlGn", "Purples"}
DivergingPalettes ={"Spectral", "RdYlGn", "PRGn", "RdBu", "RdGy", "RdYlBu", "PiYG", "PuOr", "BrBG"}
QualitativePalettes = {"Pastel2", "Pastel1", "Dark2", "Accent", "Paired", "Set1", "Set2", "Set3"}

Feedback

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