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 ...

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50
votes
4answers
3k views
9
votes
1answer
187 views

Visualisation of the field of algebraic numbers in the complex plane

Hot to plot the field of algebraic numbers in the complex plane? In this picture, the color of a point indicates the degree of the polynomial of which it’s a root: red = rational numbers ...
5
votes
2answers
480 views

Image Rotation, Line Symmetry

I'd like to import an image, superimpose it, reduce the opacity of the overlaid image, and then use a manipulate to rotate the top image to illustrate rotational symmetry. The image below is using ...
5
votes
1answer
160 views

Transcritical Bifurcation phase portraits

An example equation for a Transcritical Bifurcations is given by: $$\dfrac{dx}{dt} = f(x, r) = r x - x^2$$ In Mathematica, we can define the function as: ...
2
votes
1answer
159 views

Fractal plotting for the Collatz fractal

I have the following equation: f[z_] := 1/4 (2 + 7 z - (2 + 5 z) Cos[Pi*z]) I want to map this on the imaginary plane such that if it converges under iterations ...
3
votes
2answers
264 views

Mathematica Interpolation or approximation

I have lists of points X and Y. {1212,1216,1217,1219...}, {1,2,3,4,5,6...} I combine ...
5
votes
1answer
86 views

Visualize Pascal's triangle with the product of the terms in the $n$th row

How to make the following graphics by using Mathematica? What I tried: I used J.M's answer for the Pascal triangle ...
3
votes
1answer
67 views

How do I label points when using Graphics? [closed]

Let say I want to draw a point and label it. The command I use to draw points is Graphics[{Point[{0,0}], Point[{1,1}]}] This draws the points $(0,0)$ and $(1,1)$....
11
votes
5answers
2k views

Beautiful dance of the Earth and Venus around the sun

I have seen very nice dynamic graphics created by users of Ma. I would like to get help whether the following graphics can be created using Ma. I was not able to create the dynamic picture here. ...
2
votes
0answers
33 views

Interpolating or “absolutising” symbolic sizes? [duplicate]

I often face the problem that none of the usual symbolic constants Tiny, Small, Medium, or <...
3
votes
2answers
133 views

Fixing text position in an animation

Following I have a simple animation with a variable displayed inside the plot. The significant digits of the variable changes as you run the animation which results in a smaller jitter on the text's ...
4
votes
2answers
240 views

How to make an octahedron 3-compound with holes?

I would like to remove facets from an octahedron 3-compound - like in the picture below. I tried to combine these two graphics: ...
5
votes
1answer
121 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 ...
1
vote
2answers
131 views

How can I plot two concentric circles with a polygon inscribed in one and circumscribed about the other

So I am new to Mathematica still learning basic codes.. However I need help to become quicker in my research. Can anyone help me with the simplicit code to plot 2 concentric circles and a polygon of ...
1
vote
1answer
72 views

Plotting 3-vectors over a 3D lattice [closed]

I am trying to plot a magnetic structure, which is basically using Mathematica to read and plot a .dat file. In the file, each row which has six numbers, the first 3 represents the atomic postion, and ...
2
votes
2answers
357 views

Draw a circle through 4 points on parabola [closed]

I have two dynamic perpendicular parabolas: $y=ax^2+c, x=by^2+d$, which intersect in four points (the coefficients are chosen that way). There is a fact that we can construct a circle through these ...
1
vote
1answer
92 views
1
vote
1answer
127 views
1
vote
1answer
41 views

Plotting Elipsoids with large weight matrix

I'm running into some problems plotting 2D Ellipsoids with non-diagonal weight matrices -- they are not centered where they are supposed to be. I'm not sure exactly ...
2
votes
5answers
199 views

Plotting animated point on a polar plot

How can I animate a point on a polar curve? I have used Animate and Show together before in order to get the curve and the moving point together on the same plot, but combining the polar plot and the ...
3
votes
1answer
161 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 ...
1
vote
0answers
34 views

Fast Creation of Label Matrix for Use With ComponentMeasurements?

I am taking a lot of measurements from regions of interest in microscopy images and am finding that generating binary masks to use with ComponentMeasurements is rather slow (at least it's slow the way ...
1
vote
2answers
91 views

Point on the circle

How can I make a moving point on the circle with control? ...
1
vote
1answer
135 views

Speed Up Sampling of Perimeter of Polygon

I have a polygon whose vertices (points) are defined by some image coordinates that I have manually selected. The polygon is used to create a mask for a region of interest in a microscopy image. ...
1
vote
1answer
78 views
15
votes
2answers
2k views

Failure to export graphics by right-click when Notebook magnification is changed

Bug introduced in 9.0.1 or earlier and persisting through 10.4.1 or later When I try to export graphics as PNG, JPG and other rasterized formats using the right-click and choosing ...
3
votes
5answers
144 views

ListPlot with colors

Let's create some sample data n = 100; d00 = Table[{RandomReal[{-1, 1}], RandomReal[{-4, 4}], RandomReal[{-1, 1}]}, {i, 1, n}]; Now I want the following: create ...
11
votes
2answers
209 views

Is it possible to get the (x, y) position of nodes in a `Graph`?

Given a graph... RandomGraph[{20,40}] ...is it possible to retrieve the (x, y) coordinates at which the nodes are drawn? ...
2
votes
2answers
120 views

How to copy Coordinates of “Get Coordinates” in Figure?

I am trying to reproduce the answer here about Recovering data points from an image. I click the figure and press "Get Coordinates". I would like to copy the four coordinates by CTRL-C and then paste ...
9
votes
1answer
337 views

Is there a way to make a bihistogram plot?

Is there a way of making a bihistogram plot in mathematica? There is a reference to it at http://mathworld.wolfram.com/Bihistogram.html but no suggestions as to how to do it.
5
votes
1answer
193 views

Mathematica gravatar engine?

This question asks about making gravatars in Mathematica, but the accepted answer is just a wrapper around the gravatar.com service. Is there an open source Mathematica engine that performs the ...
1
vote
3answers
156 views
1
vote
0answers
36 views

How to implement reusable graphic components having stable line thicknesses?

IMPORTANT: This post is a follow-up to Scaling edge thicknesses, and in particular to the accepted answer in that thread. Basically, I'm trying to use the idea given in that answer to implement 2-...
1
vote
2answers
74 views

Recreating a ContourPlot3D using points

Let's define a three-dimensional surface ...
1
vote
1answer
50 views

Cartesian coordinates inside Spherical function

I would like to write a function that draws a graphic object and its projections along the x,y and z axes. I specify the $r,\theta, \phi$ of the object and an arrow and it's dashed projections are ...
1
vote
1answer
63 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
1answer
93 views

Plotting a convex hull with a coordinate mesh

I am plotting the convex hull of some curves by extracting the curves from a contour plot and constructing the convex hull around their discretized version . It's not terribly accurate for ...
7
votes
3answers
464 views

Partition a disk into regions based on points on a circle

I am plotting the roots of a polynomial on the unite circle this way ...
3
votes
1answer
49 views

Change of parameters on ouput graph

I have generated the graph, but i lost the settings, i would like to make the Plotmarkers slightly bigger. Is there anything to do this without redoing the computation? Like Show[%1,PlotMarker->{dot,...
1
vote
0answers
45 views

Periodic boundary condition trick

I'm plotting a curve on a compact space which is having periodic boundaries on the left and right parts. Currently, the code I'm using is working great, but I'm wondering if there's a simpler and ...
2
votes
1answer
53 views

Small glitch with EdgeForm and PlotRange

I'm experiencing a small problem with the edges of a square, if the PlotRange has the same size as the square : ...
3
votes
1answer
144 views

How to guarantee the point's position is fixed in the Graphics and Image

SeedRandom[8] plot = ParametricPlot[ Evaluate@BezierFunction[temPoint = RandomReal[{-50, 50}, {5, 2}]][ t], {t, 0, 1}, AxesOrigin -> {0, 0}] We can ...
11
votes
3answers
784 views

How to visualize the interior of a complicated 3D plot

I have an external data file (can be downloaded here: link 1 or link 2) which contains a dense grid of initial condition in the (x,y,z) space. I read it with Mathematica and plot these initial ...
2
votes
2answers
93 views
3
votes
2answers
124 views

Density Plot: Colour Corresponding to Different Parts of a Function

I am trying to create a DensityPlot of a symmetric function f(r)=f(x,y) that is composed of 2 other functions: f(r)= g(r) + h(r) f(x,y)=g(x,y)+h(x,y). I can plot f(x,y) fine (can always convert ...
0
votes
0answers
57 views

Intel Graphics Driver Crash and Recovery messages with 3D graphics?

Ever since i updated to Mathematica 10.4 from 10.2, I have been occasionally experiencing a graphics crash error message and 3D images/graphics that used to appear normally just turn black upon ...