Questions on the color models, schemes, named colors and color functions supported by Mathematica.

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1
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1answer
36 views

Color in Spherical3DPlot according to value

I want to colour a 3D plot according to it's value. I could only mange in one direction (say in 'z' direction) but I want to show them in all direction together. I have written the following code: ...
0
votes
1answer
46 views

ColorFunction causing division by zero error (going outside domain?) [duplicate]

On the following plot example, I get a division by zero error (10.4.1): ...
2
votes
1answer
31 views

Scaling HSB colors for export

In Mathematica, Hue[h,s,b] uses HSB colors. However, unlike anything I've ever seen, the h, ...
5
votes
2answers
386 views

How to color the triangles of a mesh?

Given a mesh, I want to assign each triangle a color. I tried to do it in this way: ...
3
votes
0answers
60 views

How to build a ColorFunction that can take a non-numeric value? Blend returns an error

I'm trying to use an external package, defined here. This package has a private function called makeColorFunction that essentially works by taking an input color ...
0
votes
0answers
20 views

Asigning colors to residues position-specifically or feature-specifically in PDB file [duplicate]

I am dealing with a complex consists of 5 peptides in PDB file. I calculate some physical features of all the residues in the complex and would like to express them graphically. I would like to assign ...
0
votes
0answers
32 views

How to construct my own ColorFunction with the TemperatureMap range

I would like to draw the unit circle and define my own coloring function on it so that every point $e^{i\theta}$ of the unit circle will be colored according to said function from the range of colors ...
2
votes
2answers
61 views

Selective background coloring

Consider this simple code: Grid[RandomInteger[{0, 1}, {10, 10}], Background -> LightBlue] Is it possible to modify the code so that the background only ...
0
votes
3answers
69 views

How can I create a four dimensional plot (3D space + color) of the data provided? [duplicate]

I would like the x, y, and z axes to be reserved for the first three columns and the color to be reserved for the fourth column. I would like the output to have a color bar and color function. If you ...
3
votes
2answers
116 views

How can I make the color points in ChromaticityPlot[] joined?

So I'm using ChromaticityPlot[] to plot some colors as points: ...
4
votes
1answer
40 views

Anomalous scaling in GeoRegionValuePlot when using non-default color scheme

I found this plot online, and thought "I bet I could do that with a one-liner using GeoRegionValuePlot". But then it turns out that you are much better off ...
0
votes
1answer
84 views

Concerning the default coloring made by Plot3D in 10.4 [closed]

Recently, I have installed Mathmatica 10.4, but I found out that when I use Plot3D, it gives me a mesh. In order to add color, I have to explicitly set ...
1
vote
1answer
47 views

List of Inequalities in RegionPlot with different colors [duplicate]

Starting from the example of the Documentation: RegionPlot[{x^2 < y^3 + 1, y^2 < x^3 + 1}, {x, -2, 5}, {y, -2, 5}] Which gives a nice plot with two ...
1
vote
2answers
103 views

Specify the color of each residue in a protein (PDB)?

I'm importing a *.pdb file containing a single protein. Mathematica automatically produces a plot of the protein. I want to specify the color of each residue independently, in this plot. Is this ...
3
votes
2answers
254 views

Extracting RGB color code from a plot

I have let Mathematica to draw a plot of some functions written as below: ...
1
vote
2answers
50 views

Colour bar for contour 2D graph [duplicate]

How could I plot the colour legend for my 2D contour graph ...
3
votes
2answers
110 views

Extracting unknown ColorFunction from Plot, Plot3D etc

I wonder if there is a way to extract existing ColorFunction and "override" it with a new function that will depend on original one. This question discusses ...
5
votes
2answers
169 views

How to rescale ColorData in a non-linear fashion?

I want to use Rescale on a ColorData, like this: ColorData[{"TemperatureMap", {-100, 10}}] ...
2
votes
1answer
100 views

How to add color to a knot

Is there a way to use a colorscheme to a KnotData image? One way is probably convert it to a parametric form and then use ...
3
votes
1answer
44 views

MatrixPlot ignores ColorFunction for 0 matrices

I noticed that when plotting a matrix with custom color function there seems to be a special behavior for matrices with just 0's. In this case the plot is simply white. If there is one non-zero ...
6
votes
1answer
150 views

How to interpolate colors on scattered points for a smooth visualization

I am a novice user, so please bear with me! I have a set of random points which are color-coded by some function. The point distribution is fairly dense so I should be able to see a smooth color ...
1
vote
1answer
49 views

Plot with Color Data as Third Coordinate of Ordered Pairs

Suppose I have a data set data={{0,0,-1},{0,1,-0.5},{1,1,0},{2,1,0.5},{2,2,1}}; where the first two coordinates are x and y values, and the third is input for ...
6
votes
4answers
588 views

How to recreate the gnuplot color scheme “AFM Hot” in Mathematica?

I'm trying to build an 3D AFM image from raw data with Mathematica. So how do I recreate the "AFM hot" color scheme? I've tried "SolarColors" and ...
0
votes
1answer
28 views

Recovering colour code from splitting colour scheme gradient into n colours

I'd like to get a colour scheme gradient (e.g. ColorData["TemperatureMap"]), split the domain into n equidistant points, and then recover the colour codes (RGB or ...
9
votes
2answers
260 views

How to define variable “Rainbow” curve colors?

Firstly, I'm not asking about blending a color gradient on a curve. I would like to make the curve color uniform on all its lenght instead, but the color should change dynamically while we slide a ...
1
vote
1answer
73 views

Color of figure keeps changing

I'm not sure this should be posted here, but I don't know where else to ask this question. Please feel free to refer to another more relevant SE if necessary. I plotted a figure with Mathematica, and ...
1
vote
1answer
58 views

Using ColorFunction to plot Cones with colors depending on orientation

I have an assembly of cones plotted with Graphics3D with positions and orientations according to data read from a file. Now I am using Hue to color the cones and I use the following code to plot them: ...
1
vote
3answers
176 views

How to apply a color gradient to a Rectangle primitive? [duplicate]

How can we apply a color gradient (say "Rainbow") to a Rectangle primitive ? Of course, I searched the documentation : http://reference.wolfram.com/language/ref/Rectangle.html, and also the site : ...
1
vote
1answer
54 views

Merging of multiple 3D plots with Show using unified ColorBar

This question follows my initial question that can be found here. I created the following 4D plot (3 spacial coordinate + color) by interpolating points separately. The full data (1.4Mb) can be ...
2
votes
0answers
59 views

Discrete color bar: height not adjusting

I am trying to adjust height of my color bar, but LegendMarkerSize is not doing what it is supposed to do. Code ...
0
votes
1answer
60 views

Simple ListPlot with different colors and labels [duplicate]

I want to plot a list of points where every point has a different colour. Is it also possible to label these points according to a list of sample names I have in Excel? Please help.
1
vote
2answers
90 views

Plot values of an $m\times n$ matrix on the complex plane with color varying along $m$

Let's say I have a complex valued matrix $\begin{pmatrix}1+I&2+2I&3+3I\\4+4I&5+5I&6+6I\end{pmatrix}$ represented by a list: ...
5
votes
2answers
112 views

How to color one “panel” of ListPlot3D

Here is my code: data = Table[{i, j, RandomInteger[{1, 10}]}, {i, 5}, {j, 5}]; thePlot = ListPlot3D[Flatten[data, 1], InterpolationOrder -> {0}] How can I ...
0
votes
1answer
119 views

rescaling ColorFunction for ListContourPlot

I have this question that I've been struggling with. I came across many similar questions, but those solutions do not work for me. What I looked at: Example 1 Example 2 Example 3 I apologize if I ...
0
votes
2answers
65 views

Color according to condition. [closed]

So, my problem is the following: I have the following table ...
1
vote
0answers
55 views

How to synchronise bar legends zeros for a set of DensityPlots? [duplicate]

I make a set of 6 DensityPlots with PlotLegends and different sets of params: ...
2
votes
1answer
93 views

Colors in ImageMarker

The symbol ImageMarker (new in 10.4) seems to ignore color commands: ...
0
votes
0answers
25 views

Crash when picking colours in Drawing Tools

This crash happens consistently, in Mathematica 10.2.0.0; I'm working on Scientific Linux 6. I open the Drawing Tools toolbox, open e.g. the Stroke drop down menu, and want to select the drawing ...
3
votes
4answers
155 views

Changing The Colour Of A Contour Plot

I have produced used the following code to create a contour plot: ContourPlot[Cos[x] + Cos[y], {x, 0, 4 Pi}, {y, 0, 4 Pi}] However, I would like to modify this ...
3
votes
2answers
156 views

ParametricPlot3D colorfunction for a specific region of an object

I have created a 3D parametric plot of an oblate spheroid, and I want to apply "TemperatureMap" as a colorfunction to its surface as a gradient in the Z direction. However, I only want to apply this ...
5
votes
0answers
53 views

How many clusters does DominantColors return?

Is there any documentation on how it automatically chooses the number of colors - does it use X-means or some other heuristic to determine the number of clusters it automatically returns?
2
votes
1answer
59 views

Replicate $\LaTeX$ PGF colormap/hot to Mathematica color scheme

I want to replicate the color scheme colormap/hot from $\LaTeX$ PGF's package pgfplots. The color scheme ...
5
votes
3answers
132 views

Specify range and reverse for colordata in contourplot

The following two examples work ...
1
vote
0answers
65 views

How to properly set ColorFunction and Specularity in ReliefPlot [closed]

I have two questions about ReliefPlot: How can I set the Specularity without changing ...
2
votes
1answer
127 views

Color a single contour from a ListContourPlot3D using values from a list

I want to map an electrostatic potential onto a density map. How can I color a single contour from a ListContourPlot3D using the values from another list? Make ...
0
votes
1answer
79 views

How to colorize curves intersection in a manipulate function

I need to show the intersection area of two curves, using the manipulate function in Mathematica. Here's a fully working example, and a preview below it : ...
3
votes
2answers
74 views

Automatically highlighting or coloring specific terms

I am using Mathematica to perform Newton quasi-linearization of the non-linear terms during discretization of PDEs for numerical solution. These expressions can involve tens of terms (depending on the ...
0
votes
1answer
59 views

How to add color to listplot

I have generated many points in a 2-dimensional space (x,y). How do I use color to represent different values of f(x,y) in ListPlot? Does ...