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 ...

68 views

Exporting sharp corners in Bézier curves to pdf

I'm a bit baffled by this. I have a number of arrows in a series of diagrams, and I'm defining the arrowheads using Bézier curves such as ...
97 views

How to remove parts of a curve?

I have a curve that have some unwanted parts. How can I remove them ? Or how to constraint the curve to a specific region ? Here's a MWE that shows the problem : ...
73 views

Frame labels without a frame?

Is there a way to add labels to a 2D plot, without the Frame ? Here's a MWE which shows a simple graph with four labels around its frame. I need to remove the frame, but keep the labels. Is that ...
158 views

Drawing dynamical trajectories diagram in Mathematica

I've a Boolean gene regulation system composed of vectors(corresponding to cellular phenotypes). Their components are binary numbers such as $\{1,0,0,1\}$. A vector can change its statement in ...
54 views

Colour bar for contour 2D graph [duplicate]

How could I plot the colour legend for my 2D contour graph ...
114 views

Strong glitch with Evaluate in Manipulate

I'm experiencing a strong evaluation problem for a Manipulate box and I can't find the best solution yet. Here's a MWE to show the glitch : ...
4k views

Make a beautiful Moiré effect

How do I make the following Moiré pattern? I tried: ...
213 views

I have this: ...
171 views

How to set the Arrowheads style in a figure with broken vertical axes

I am trying to combine three separated curves into a same figure. The codes are inspired by another post and answers here. Codes: ...
133 views

How can I create a graphic of a wedge of a cylinder (like a slice of pie)?

http://demonstrations.wolfram.com/HoleInACylinder/ This demonstration uses Graphics3D and is able to generate what I want, but I cant figure out how to separate ...
37 views

NDSolve point animation not working [closed]

The below code plots the path of a ball bouncing but loses 90% of its velocity each time it bounces. (adapted from https://reference.wolfram.com/language/ref/WhenEvent.html). ...
65 views

Dynamically update three graphics simultaneously

I have a problem. How can I get three arrows in to update simultaneously? All work, but one by one. ...
98 views

Tabular designs from modular arithmetic operations

I managed to make a mod4 addition table. Grid[Table[Mod[i + j, 4], {i, 0, 3}, {j, 0, 3}]] What I'd like to do is draw a grid of 16 small blocks, 4 rows, 4 ...
100 views

Generating G-code from Mathematica

Has anybody generated G-code (used for controlling milling machines and plotters and other hardware) in Mathematica? High quality inexpensive plotters have reached the market and I would like to drive ...
3k views

How to make this beautiful animation

How to make an animation of following gif in Mathematica? Edit: The animation shown above was created by Charlie Deck in processing. And how to make 3D analog? I tried first few steps ...
3k views

How to draw all paths from (1,1) to (n,n) by move (+1, 0) or (0, +1)?

Now I can draw some grid: But what I want(I'm sorry for the weird line. I have no image processing software in my mac...): Please notice: ...
94 views

Small output glitch with Histogram

I'm experiencing a small formating glitch with an histogram. I want to define an histogram with a square frame, with precise vertical ticks from 0 to 10. But I'm still getting a larger range, and I ...
516 views

How to compute the boundary of a group of ellipse efficiently?

Update1 I discovered that the bountary of a series of ellipses consists of the following three parts Part (I): the first ellipse's effective black-segment; Part (II): the effective ...
98 views

Periodic boundary for 3D sphere packing

I have the $x,y,z$ coordinates and radius $r$, of $N$ spherical particles, packed in a box with size $L$. For some cases, $x \pm r$ and/or $y\pm r$ and/or $z\pm r$ go outside the box. I want to be ...
103 views

Clock - label and arrows [closed]

I have 12 circles. How every single circle sign (from 1 to 12). I know only how to sign with my range {a, 0, 2 π - π/6, π/6}, but I need to have numbers 1-12. ...
67 views

NumberLinePlot — scaling coincident points

it doesn't seem the native function NumberLinePlot is able to scale points to reflect coincident points. When an expression such as ...
118 views

How to add/insert a well aligned graphics on top of another one?

I need to add a small graphics on top of a larger one, and the small graphics should stick very close to the large one, with their axis aligned. Here's a minimal code to work with, using some ...
47 views

Use (network) graph as vertex

I have a Markov chain with graphs as the states. Basically how one network structure would evolve to another in the next period. To avoid confusion, I'll use the term "network" instead of "graph". I ...
112 views

Generating periodic structure using RegionPlot3D

I am trying to create a periodic structure from a unit cell figure which I created using RegionPlot3D: ...
168 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 ...
127 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, ...
37 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 ...
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 ...
74 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 ...
106 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. ...
157 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 ...
186 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: ...
53 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 ...
78 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 ...
85 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 ...
94 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 ...
131 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 ...
222 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) : ...
111 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, ...
118 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 ...
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 ...
83 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, ...
121 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!
123 views

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89 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. ...
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 ...
86 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) \...
30 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: ...