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1
vote
2answers
46 views

Provide a list of colours for the points of ListPlot

I want to colour the points in a ListPlot with a list of colours, i.e. something like ...
0
votes
1answer
67 views

Change a formula [closed]

have a program consisting of a database of colors in L-a-b format. I want a formula to obtain the desired color by mixing different amounts of colors that are in the database. For example: I want ...
7
votes
4answers
179 views

Construct, in some manner, a four-dimensional “RegionPlot”

Let me abuse some Mathematica notation and formulate the following "command": ...
3
votes
1answer
40 views

How to label the nodes of a graph with the numbers in a list?

I have an adjacency matrix "am" and I want to color the nodes with four colors. Here I what do... ...
1
vote
1answer
57 views

Color scheme problem

I have a problem in the color scheme in a 2D spectra. After a lot of calculations, i can generate a picture like this in the last part using this instructions ...
4
votes
3answers
217 views

Reverse ColorFunction or ColorData

please excuse my bad English, I'm not a native speaker. This should be fairly simple: Is there a simple way to "reverse" ColorFunction or ColorData? Let me explain what I mean. Let's say, we have ...
0
votes
0answers
30 views

Variable color function

Im trying to make a color function for listdensity that changes depending on the range of values in the array. ...
0
votes
1answer
65 views

Modify PlotTheme or/and ColorTheme (lighter colors)

...
0
votes
1answer
25 views

Changing color on BoundingRegion when not a Graphics primitive or directive

If we take the documentation example for BoundingRegion and change "MinDisk" to ...
1
vote
0answers
57 views

Use country flag in chart style for a bar chart

I am creating a stacked bar chart from 2017 using the following data set ...
0
votes
1answer
149 views

How to change colors of 3D parametric plot

I have a 3D iterative plot, where each iteration (1,2,3) is represented by equation of piecewise linear function. I am trying to change the colors of plot, to get for every iteration (piecewise ...
2
votes
0answers
31 views

Why is ColorFunction called more than once for every color cell

I was trying to use a custom ColorFunction with Raster and I noticed it gets called seemingly a random number of times for each ...
7
votes
2answers
352 views

How to color nodes in a adjacency graph with different colors?

Let us consider a binary adjacency matrix $M$. We want to color the nodes of corresponding adjacency graph with 4 different colors such that two adjacent nodes have different colors. How to find 4 ...
4
votes
2answers
278 views

How to graph multiple lines of the same color that each contain multi-colored points

I need to make a graph with multiple lines and points. Each line contains 3 points that should each be colored black, yellow, and red. The line should be a neutral gray. I managed to create a graph ...
1
vote
0answers
28 views

how to use interpolating functions to smoothly paint a polygon? [duplicate]

consider 4 different colors on the nodes (with different parameter values) how to interpolate when the color values are given on the nodes using the constructed interpolation functions to paint the ...
2
votes
1answer
120 views

ColorData input arguments not clear

A question about ColorData input arguments. I want to color a point in a graph I have, but I don't want to use the built in colors (orange, green, blue etc) I saw someone coloring a point using ...
2
votes
1answer
67 views

Colour alternating concentric circles a different colour

This code gives me two sets of concentric circles with respective radii of 2n and 2n-1: ...
3
votes
3answers
378 views

Creating a white and black color function

What I want to get is a density plot where the color function is thresholded: if the value of a function is larger a threshold, the color function returns white; otherwise, black. I found some ...
4
votes
0answers
51 views

Exporting CMYK values

I am having problems exporting my objects as CMYK to either EPS or PDF in mathematica 11.3 on Windows. I have read the related question, how to export cmyk in eps. But simply this will not work, ...
4
votes
1answer
148 views

How to use Glow in ParametricPlot3D

I get the output that I need from ...
1
vote
1answer
61 views

How to create a colour picture?

Hope to have a composite colour graphics after I put in complex number, part of t=1 is a color,part of t=2 is another color,and so on. Maybe my function is not good. How to fix it? Thanks a lot! ...
1
vote
1answer
65 views

Change colors of individual graphic elements

I generated an array of circles/disks with an hexagonal packing. Now I want to give each circle/disk a color depending on the value of a second list. ...
1
vote
1answer
30 views

Ranking Based Partitioning with Mathematica [duplicate]

I have three functions f_1, f_2, f_3 defined on 𝒟=[0,a]×[0,b] and I want to color in blue (resp. red, green) the region of points (x,y)∈𝒟 where f_1(x,y)=Max(f_1(x,y),f_2(x,y),f_3(x,y)) (resp. f_2(x,...
1
vote
1answer
31 views

How to use ColorSlider for some objects?

I wrote down some problem, but suddenly have a stuck. Consider following code : ...
3
votes
1answer
56 views

ListLogPlot bug? Points outside PlotRange change colours

Consider the following example ...
1
vote
2answers
87 views

Inverting and adding color to predefined color scheme (ListDensityPlot)

What do I have to do if I want to invert the color scale in "AvocadoColors", and add a condition that the zero value is denoted as white, whereas rest of values (<...
1
vote
1answer
181 views

ColorFunction in Graphics

I have several primitive figures to pass to the Graphics function to draw. These figures are weighed with some values, so I'd like to assign a color in accordance with some ColorFunction, say "...
3
votes
4answers
357 views

Matrix plot using RGB color coding

I am looking to plot a line of 250 discrete sites with a specified RGB color value based on the import file values. The import file has the following format: I want the first element in each row to ...
2
votes
2answers
163 views

How to display colored graphics object in the same color space?

Consider, I have a disk colored in "LAB" color space. When I convert the graphics into image object it is by default getting converted into "RGB" color space. ...
0
votes
1answer
62 views

How to vary color of a graphics primitive?

I would like to be able to vary color of a graphics primitive. For starters, varying color of a Line object along it's length would be sufficient. For example, if I ...
2
votes
2answers
190 views

Custom color in data points

Let's create some random data ...
2
votes
1answer
139 views

Line Colours Graphics3D - Plotting Photon Paths

The Problem I want to be able to change the colour of parts of lines in Graphics 3D. I don't know a good way. Below is how I've got so far and a diagram of I want. I.e. I want to be able to control ...
0
votes
0answers
98 views

Array Plot Custom Color Function Black Magic

Sorry, lots of code here, somebody explain this to me: ...
1
vote
0answers
38 views

Mathematica Exports EPS with Extra White Characters and Outline in BarLegend

Observe the following Mathematica code. Forgive me that it's so long: ...
1
vote
3answers
156 views

Plot four dimensional data consisting of discrete and continuous variables?

Suppose I have a relationship between four different variables, two of which are discrete and the other two are continuous. For example, let's look at the Binomial Distribution's PMF. If a random ...
3
votes
1answer
71 views

Mathematica Computational Limitations and ColorFunctions?

Observe the following function I have defined in Wolfram Mathematica and the array plot below: ...
6
votes
2answers
1k views

How can I properly define a custom function to give as a ColorFunction option?

So I thought that I knew what was going on. I defined my own color function like this: myRainbow = Function[x, Blend[{Purple, Blue, Green, Yellow, Red}, x]]; ...
0
votes
0answers
364 views

How can I define my own ColorFunction?

Suppose I want to define a color function to use more than one graph. I'd prefer not to type it out every time. I know that I can set ColorData like this: ...
0
votes
0answers
124 views

Ploting using Hue colors

Let's create some sample data ...
4
votes
2answers
436 views

Background coloring

I find the syntax of Background not clear. For instance in an example found in an old question ...
4
votes
1answer
908 views

how to get a list of built-in color names

I find myself sometimes doing something like ListPlot[data, PlotStyle -> Violet], just to discover that Violet is not ...
1
vote
1answer
161 views

Show single legend with approriate color range for a GraphicsGrid

I have a GraphicsGrid of MatrixPlots in the range between 0 and 1 and I want to show a single legend for all of the grid with the appropriate color range. I tried: ...
3
votes
2answers
95 views

How to get properties of ColorDataFunction objects programmatically?

The display forms of ColorDataFunction objects (especially after one clicks on the white + sign on them) indicate that these ...
3
votes
3answers
212 views

Filling a ListPlot with an optical spectrum

I have discrete optical spectra data consisting of pairs of wavelengths and intensities, and I would like to make a ListPlot in which the points are both joined, ...
1
vote
1answer
153 views

Color each half of a disc differently

Given a simple graphics object like a disc in black: Graphics[Disk[]] Is it possible to split the disc in the middle, i.e. color each half differently e.g. left ...
3
votes
0answers
58 views

Is ChromaticityPlot3D bugged in V11 with regard to FillingStyle?

On Mac OSX 10.10.5, a large number of the examples for ChromaticityPlot3D do not appear as expected including: Opacity in FillingStyle: ...
4
votes
2answers
350 views

What's the default color function for BarChart, PieChart? [duplicate]

If one increases the number of colored items in a BarChart or PieChart one can see that its color scheme is based on a gradient ...
1
vote
1answer
166 views

Change color of the Ocean in GeoRegionValuePlot

I would like to know how to replace the color of the ocean, while keeping the borders between different countries, i.e. replace the blue into transparent color (see the figure). I tried doing it with <...
6
votes
1answer
135 views

Blending colors of shapes with their background color

I have this code: ...
0
votes
1answer
156 views

How to change the points color in the result of “show [Graphics3D]” [closed]

I'm new to mathematica software, this going to be difficult to explain but, I have an assignment to make a random numbers generator for upper-limb joints range of movement [ROM]. I divided the joints ...