# Tagged Questions

Questions on the construction of 2D and 3D graphics through the direct use of primitives, directives, and functions. Include the graphics3d tag for questions specifically on 3D graphics. This tag is not to be used for basic questions on visualizing functions and lists using the various flavors of ...

2answers
150 views

### How to plot coordinates with different colors on a map?

How can I plot different sets of coordinates with different colors? For example, the two maps below would be merged into one map, with two colors. I'm using the commands below to create the maps ...
2answers
110 views

### How to do a parametric histogram?

Is it possible to draw a spectral histogram from two random sets ? More specifically, I have these two random functions (fmin, ...
0answers
35 views

### vector graphics of a ListPlot3D

My problem is quite simple and yet I can't seem to find a solution to it. I'm trying to create a figure in vector format but if I export it to EPS I get a very bad gradient in the colors. If I export ...
5answers
1k views

### Rounding the Corners of a Shape

I was wondering whether there is an option in Mathematica that enables me to smooth the corners of a shape. The example I want to start with is the pentagon. This can be crudely specified as ...
2answers
68 views

### ListDensityPlot boundary is extrapolated

I have a solution of a finite element analysis and I have a list of data {{x,y,a}....} where x, y are the coordinates and a is the value to be plotted. The geometry is half of a tooth like this but ...
0answers
89 views

### ErrorListPlot ignores some exact data points

Possible bug? Or am I missing something / expecting too much? Forgive the seemingly obscure data points but they're where I've noticed a problem. ...
1answer
144 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 ...
0answers
138 views

### How to define a custom 2/3D graphic primitive like built-in?

There are lots of basic graphic-pimitive in Mathematica, such as 2D- pimitive: Line[], Circle[], Disk[] and 3D-pimitive: ...
1answer
45 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 ...
1answer
73 views

### Understanding FaceGrids

I'm having difficulties with FaceGrids. This should be pretty basic, but the documentation isn't helpfull with its fancy and mostly useless examples (again!) I ...
2answers
83 views

### A way to show all the 3D curve, with view still centered on {0, 0, 0}

I frequently have this graphics output problem : I draw a 3D curve using NDSolve, and depending on the initial data, there's no way I could predict the shape and ...
3answers
89 views

### How to change random values in manipulate?

I made a Manipulate box that is working very well, using lots of random numbers. I would like to add a button to "reset" (i.e. to change, randomize, or reselect) all the random parameters. Here's ...
1answer
124 views

### How to generate a graph from a tetrahedral lattice

My goal is to generate a graph from a 3D isotropic array of vertex connected tetrahedrons. Each tetrahedron represents a node of my graph, and connects to 4 other neighbors. Then my idea is to ...
2answers
199 views

### Plotting a complicated 3D wave on the surface of a sphere [duplicate]

Suppose you have a vectorial wave described by a complicated function of time and cartesian coordinates $t$, $x$, $y$ $z$ (very simple example below) : ...
2answers
98 views

### Labeling backplanes in a 3D plot using “enclosed numbers” (i.e. ①, ② …)

When we use ListPlot3D or Plot3D in Mathematica, a box is generated to contain the plot, as shown below. In the drawings below, ...
1answer
70 views

### Cannot combine GeoPosition polygons in version 10.4

I was using with Mathematica 10 for plotting different kinds of maps the function PolygonCombine. It seems that this fucntion has disappeared with the version 10.4? Here is a classical example for the ...
4answers
5k views

### Is it possible to draw this figure using Mathematica?

The figure is See the how-to video or a speeded-up GIF. I believe it should be possible to draw this figure programmatically using some Random function, but I'm ...
3answers
81 views

### How to get a C4-symmetric (coincides after 90° rotation) matrix via ImageData from Graphics?

I tried an easy example with Disk centered at {0,0} with radius 1. Obviously, that object is C4-symmetric. Further, ...
3answers
107 views

### Constructing an Equilateral Triangle Inscribed Inside a Circle

How to plot something like this? I need only the triangle and the 3 circles green. Thank you!
2answers
121 views

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1answer
82 views

### How to use BezierCurve or BSplineCurve to define a quarter of a circle?

I know the command Circle can do that too, however, I want to be more flexible later on and want to know how to define this with the above mentioned functions. ...
2answers
41 views

### How do I Define a Module Which Displays Some Graphics and Returns Some Data?

I want to bundle some actions of a task in a module to call it a few times. The task shall display some Graphics and it shall return some data (as a list). But I can't do that (it would have been ...
1answer
78 views

### How to implement Bifurcation of delayed Lorenz system? [closed]

The delayed Lorenz system is as follows: (Bifurcation parameter as $\tau$) \begin{align*} D^\alpha x_1(t) = & a_1(x_2(t-\tau)-x_1(t)) \\ D^\alpha x_2(t) = & a_2x_1(t)-x_2(t)-x_1(t)x_3(t) ...
1answer
27 views

### Bad output for SwatchLegend using LegendMarker with an EdgeForm

Consider the following input which should give a legend with a red rectangle and a black frame: ...
2answers
129 views

### Connecting the points surrounding the adjacent polygons

I'm trying to connect the points surrounding the adjacent polygons. I know how to find the adjacent polygons on a Voronoi mesh. However, I'm unable to adjacent of the adjacent polygons. What I'm ...
1answer
93 views

### How to export a 3D circle as a single piece PDF vectorial object?

I need to export a circle drawn in 3D with a specific point of view to a PDF file. This is easy to do. However, the exported circle is made of tons of non-connected small bits. I need the whole ...
3answers
37 views

### A shift of a trapezoid and a connect to the original

I have: Graphics[{ Line[{{0, 0}, {30, 0}, {55, 50}, {-25, 50}, {0, 0}}] }] Now, I'd like to keep it in place, then shift a copy up and to the right, then ...
2answers
254 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 ...
1answer
71 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 ...
2answers
412 views

### General techniques for creating complex animations

I love good animations of abstract concepts, and when I try to create them myself, I prefer doing so in code to make sure they are exact (and because some things are just way too fiddly to do by ...
3answers
167 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 : ...
1answer
95 views

### Step plot with log-log scale

Anyone know how to impose a log scale on both the $x$ and $y$ axes after using ListStepPlot? There's nothing special about the data set I've used, just a list of ...
0answers
19 views

### How to remove extra space around polar plot in manipulate? [duplicate]

In Manipulate, PolarPlot adds lots of useless space around the exterior circular grid. Is there a way to remove that space, so the whole circular plot could take more space ? Here's a MWE showing ...
2answers
197 views

### How can I visualize a map $f:T^2\to T^2$?

Let $T^2\cong S^1\times S^1$ be the one-holed torus surface (say, embedded in $\mathbb{R}^3$) and say I have a simple-ish map $f:T^2\to T^2$ which I'd like to visualize. How might I do that? To make ...
2answers
75 views

### Ticks on axes with a frame without frameticks [duplicate]

I would like to draw a simple 2D graphics with a frame, without any FrameTicks, but still having central axes with ticks. The code is this : ...
1answer
89 views

### How to draw a density (list) polar plot?

I have the function $P_{ns}$ which gives me the amplitude of a signal. The angles $\theta_B$ and $\phi_B$ are known. (25 and 180 for example) ...
0answers
51 views

### Buttons in graphics

I've created a workflow using Drawing Tools. It consists of Images, lines, and in some places I have cut and pasted Button objects. These buttons work fine if you paste directly into the Graphic ...
0answers
208 views

### Mathematica 10.4 crashes when using too many font sizes

While working on How to make the digits of π around like this? I encountered a problem that Mathematica would crash at regular intervals with an internal self-test error, either ...
4answers
5k views

### How to make the digits of π go around in a spiral like this?

Here is a start. MapIndexed[Text[Reverse[First[RealDigits[Pi,10,252]]][[Tr@#2]],#]&, Table[{t Cos[t],t Sin[t]},{t,0,16Pi,0.2}]]//Graphics
3answers
75 views

### Graphics option to suppress lines between adjoining polygons

In 10.3.1 there was a Graphics option -- it might be a sub-option of Method -- which erases the thin line visible at the join ...
0answers
52 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 ...
1answer
53 views

### Building function where the output is graphic [closed]

I want to build a function, where the inputs are points and voronoimesh, and points. But, the output would be a graphics parameter. the code is following: ...
1answer
52 views

### Multiple Sphere from imported data

i have the centers, radius, and xyz coordinates of say 200 sphere that i'd like to plot in a box. I know how to do one sphere using this information and Graphics3D ...
1answer
66 views

### How to let Graphics3D show texts only within the plot range?

OS: Windows Server 2012 R2 MMA Version: 10.3.0.0 ...
2answers
43 views

### Trouble aligning Graphics with Image

I import the test image eloquently named "Tank2": img = ExampleData[{"TestImage", "Tank2"}] And do an extremly poor corner detection: ...
1answer
55 views

### Labeling Points on a Plot

I have the following discrete map: $$x_{n+1}=μ-x^4$$ for which I have used manipulate to see the way the system evolves depending on the real parameter $μ$: ...
1answer
64 views

### Is it possible to manipulate multiple graphs with one manipulate function? [closed]

I'm trying to find a way to manipulate a function and its derivative, but two variables of the function change. Is there a way to manipulate multiple graphs with the same set of parameters? Meaning, ...
1answer
70 views

### How to change the 3D Mesh resolution?

I need to fix the resolution of the mesh lines drawn on some surfaces, and currently I don't know how. Here's a MWE to work with (a simple sphere) : ...
1answer
62 views

### NDSolve Surface Plot to Compare Initial Values

I am trying to solve a system of differential equations which model reaction kinetics using NDSolve. I would like to generate a surface-plot of the function value as a function of time and the initial ...
1answer
160 views

### Making a 2D hexagonal mesh

There are a lot of answers for how to make a hexagonal mesh on a 3D surface but nothing on how to make a hexagonal mesh on a 2D surface. Can any provide code on how to do so? I am new to mathematica, ...