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

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3
votes
1answer
100 views

Inconsistent behavior in ColorFunctionScaling of BarLegend in v10.0.1

I find the ColorFunction in BarLegend behaves very weirdly: Force rescaling from 0 to 1 For example: ...
3
votes
1answer
207 views

RegionPlot with ColorFunction gives ugly frame labels

I was working on a simple 2D region plot: ...
1
vote
1answer
183 views

Plot multiple solutions [duplicate]

I want to plot multiple solutions of an equation, so that one can differ them in the plot. The given equation is e.g. ...
0
votes
1answer
104 views

ColorFunction that depends on angle of line

I have a ListLinePlot, and I want the ColorFunction to vary as the angle, so that the color of the whole line depends on its angle from the x-axis. Here is a MWE of what I am doing: ...
2
votes
2answers
185 views

Default color for Filling in Mathematica 9

The default color scheme for plots in my Mathematica version is ColorData[1]. What about for the Filling option?
3
votes
1answer
579 views

Want a different color for each curve displayed with Show

I want a different color for each curve that I am displaying with Show. The functions are: custom1 custom2 custom3 custom4 custom5, and I am using the following ...
0
votes
1answer
78 views

Preventing Colors of Graphics from Blending

I am displaying multiple Disks that overlap and many of the Disks are different colors. Currently, the regions in which the Disks overlap are a color that is a mixture of the two Disks. I would like ...
3
votes
3answers
329 views

How to shade a plotted region in specific direction?

I am using RegionPlot to plot a linear program maximize 30x1+25x2 with the constraints ...
9
votes
3answers
467 views

Changing the atom color for plotting xyz-files

Mathematica takes the standard color code for atoms when plotting an *.xyz file, but I want to customize the color for the specific atoms. I really become desperate as I did not get it so far. ...
7
votes
1answer
109 views

How to replicate v9's color conversion to LAB under v10

Mathematica 10(.0.0) appears to use a different flavor of the LAB color space, but I would like to emulate the same behavior observed in version 9(.0.0). v9 ...
41
votes
4answers
2k views

Is there an easy way to use Matteo Niccoli's perceptual color maps for 2D plots in Mathematica?

I have been using the ubiquitous Jet color palette for 2D plots for some time now, and don't really care for it. Then I came across the series of blog posts, The rainbow is dead...long live the ...
5
votes
2answers
418 views

How can I create an interactive ColorFunction using Manipulate?

I am trying to specify my own colors and scaling for the ColorFunction in ListDensityPlot. I have several lists of 2D values ...
6
votes
2answers
801 views

Set the same color scale across multiple ListContourPlots?

This is probably straightforward - but how would I set the same color scale across multiple ListContourPlots? if I have values from 10 to 25 on one ListContourPlot and values from 40 to 100 on ...
1
vote
1answer
368 views

Filling between ParametricPlot and Plot

There are some similar questions: (1) (2) have been ask, but I think this is a different one. If we have a ParametricPlot and a ...
0
votes
2answers
354 views

Change the colour scheme in DensityPlots to make the zero white

We are trying to plot a density plot using the TemperetarueMap colour scheme. However, we don't seem to be able to make the white colour correspond to the value zero of the function we are plotting. ...
4
votes
2answers
531 views

Colorize Grayscale Image

I have a grayscale image that contains two objects. The grayscale pixel values can be divided into three intervals where two of them represent objects and the third represents the background. The ...
3
votes
1answer
177 views

Draw function with different colors associated to a parameter

I want to generate a plot similar to this one, which allows for different colors when given different parameters : (This is the Moreau-Yosida regularization of the absolute value) the Moreau-Yosida ...
3
votes
1answer
329 views

Recognizing Matching Colors in a Game Grid from a Camera Image

I am relatively new to Mathematica, having taken my first serious dive into it this week. As a fun project to teach myself some of the basics, I've come up with a goal of optimally solving a game ...
4
votes
1answer
130 views

Can't Get BarChart to use ColorFunction

I'm trying to get a BarChart to colour negative valued bars red and positive valued bars green but I'm having a time trying to do it. My latest attempt is: ...
3
votes
3answers
350 views

Coloring random points in an annulus

I have found the following random generator to generate points in an annulus in stackoverflow on stackoverflow ...
1
vote
1answer
1k views

Explanation for coloring of variables by code editor?

I was working on some homework just now, and I realized that some of my variables have different colors, and I am not sure why. In the example below f is black, ...
1
vote
2answers
67 views

Is there a way to logically test an optional color input inside a module? [duplicate]

Suppose I create a Module that is expected to return a graphic that I will later use in a plotting procedure (e.g., with Show[])....
2
votes
2answers
220 views

Individual ColorFunction with RGBColor [duplicate]

I want to create a custom ColorFunction using RGBColor for my DensityPlot. A nice example is ...
5
votes
1answer
356 views

Are there more pre-existing ColorFunction options?

Such as "DarkRainbow", "Rainbow", "BlueGreenYellow", and ...
8
votes
2answers
570 views

How to use Mathematica to turn a picture into low poly style?

I want to use Mathematica to turn a picture into low poly style. That is, to make the following conversion: Bill to Bill low poly(Using Image Triangulator App). I think the biggest difficulty is how ...
13
votes
1answer
394 views

How to do color-fill in images in Mathematica?

Color fill, the ability to apply a desired color to an enclosed area, is one of the basic functions provided by most graphic applications. Is there a similar ...
2
votes
2answers
154 views

StreamColorFunction ignored when setting to the RGB color

Recently I needed to color streamlines with exact color (e.g. RGBColor[0.1,0.478,0.5]). The help (http://reference.wolfram.com/language/ref/StreamColorFunction.html) suggests, that this can be ...
4
votes
2answers
444 views

Set the scale in ColorFunction [duplicate]

The following plot (A) ListLinePlot[{0,1,2,3},ColorFunction->"TemperatureMap"] goes from blue to read. The following plot (B) ...
6
votes
2answers
657 views

Plotting spherical surfaces

I am trying to make surface plots of squashed spheres. The spheres are defined by a list of points. For simplicity, consider the round sphere: ...
1
vote
1answer
196 views

Missing arrow tips and colors

My main problem is: I plotted a curve here, but the tip of some arrows are missing. Why does this happen, and how can I fix this? Not the main problem: Also, I once tried to make the arrows with ...
21
votes
1answer
1k views

Is it possible to insert new colour schemes into ColorData?

Because of the standards in my field, for many plots I need to use (or at least end up using) rather narrowly defined colour schemes, and in particular the Matlab "Jet" scheme, which is well described ...
21
votes
4answers
3k views

Convert spectral distribution to RGB color

Presume that I have a spectrum as a function of wavelength (an example being the blackbody spectrum): I want to convert that to a single RGB color to display on-screen, i.e. the "color" of that ...
0
votes
1answer
196 views

Plotting 2D color function on the plane [duplicate]

Suppose p is a some point in the plane. The function f[q] defined as ...
15
votes
4answers
2k views

How to change element color in Periodic Table?

The command ColorData["Atoms", "Panel"] generates a periodic table. As I don't want to reinvent the wheel, I asked myself how to change the color of each cell ...
11
votes
0answers
134 views

Is Mathematica 10 color managed?

With ColorProfileData[] Mathematica 10 can handle device-dependent color spaces. However, images with embedded color profiles, e.g. sRGB, are rendered and displayed ...
9
votes
1answer
214 views

Mathematica's “POV” export format ignores ColorFunction

I was playing with xslittlegrass's Pov-Ray package and more generally with the POV-conversion function ExportString[#, "POV"] &, and noticed that ...
15
votes
3answers
2k views

Change the inner color of markers

I would like to have a marker with white as its inner color, to be able to make this kind of graph: If I use PlotMarkers -> Style["\[FilledSquare]", White], ...
1
vote
2answers
115 views

ColorFuntion input

Is there any input for ColorFunction, which ranges from Black for smallest values, goes through red-orange-yellow and ends in very bright yellow almost white for ...
5
votes
5answers
456 views

Providing a color function for ListPointPlot3D

Is there a way to write ListPointPlot3D expression, so when given a list of points, the the color of the points plotted is a function of the index/element number of ...
2
votes
1answer
265 views

Two discrete colors for surface with ParametricPlot3D

I am trying to create a plot of a surface that is yellow above the xy-plane (z>0), but blue below (z<0). My first attempt was to use ...
2
votes
1answer
111 views

Having variables appear aqua in user defined function [duplicate]

In many of the inbuilt mathematica function, variables appear aqua like in: However, when creating your own function, variables no longer have that green coloring and are instead colored like an ...
0
votes
1answer
207 views

Density map strange mapping of color

I tried to convince Mathematica 8 to plot a density map of a function: $$f(x,y) = \frac{2(x^2 - y^2)-1}{(x^2 + y^2)^2}$$ with color scheme called "TemperatureMap". At $x = \pm 1$, $y = 0$ it's ...
6
votes
1answer
169 views

Can you make the new “Choose color scheme” helper larger?

Mathematica 10 has a cool new "color data chooser" feature: My question is: Can you make that window larger? Right now, I can only see 3-4 color schemes at once, even though all 51 gradients would ...
32
votes
2answers
10k views

What are the standard colors for plots in Mathematica 10? [duplicate]

Mathematica 10 release appears to have changed the default styling of plots: the most visible changes are thicker lines and different default colors. Thus, answers to this stackoverflow question are ...
1
vote
2answers
132 views

ParametricPlot - Problem with ColorFunction

I am unhappy with the following mapping: ...
30
votes
2answers
4k views

How to access new colour schemes in version 10?

Many colour schemes and colour functions can be accessed using ColorData. Version 10 introduced new default colour schemes, and a new customization option using <...
2
votes
1answer
224 views

Coloring a set of polygons, each polygon to have a specific color

In addition to my previus post, regarding plotting the surface of a Möbius strip, I now realised, that some of the eigenmodes for a Möbius strip are either oscillations of a scalar field OR a vector ...
4
votes
1answer
190 views

puzzled with ColorData [closed]

At first let me thank, from this point as well, those that they replied to my previous queries. From a reply I got, I obtained finally the desired graph. ...
1
vote
1answer
169 views

Identifying the color in Image

This has mad me Crazy for a while Can any one please Help me solving this this is the Image that I am working on . Basically this image is made up of 98 different color patches 7 patch on each level ...
2
votes
1answer
2k views

add a color bar legend to a 3D plot

This has a connection to the previous post here: puzzled with a color function Also, a recent post of mine appeared here: Create a color bar plot legend but I should have solved the problem with the ...