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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10
votes
1answer
196 views

Using Mathematica to make a graphics array of circles

I need to make .svg file that contains an array of black circles that all have radii of 5 units ad are evenly spaced apart from each other 32 units. The difficulty in creating this design is the ...
3
votes
1answer
72 views

ArrayPlot of square matrix: how does ColorFunction -> Automatic work?

Suppose you have the following: tt = Table[{i, j}, {i, 0, 10}, {j, 0, 10}] The table tt is a matrix of pairs, ...
2
votes
1answer
220 views

How to make a big image/dashboard containing various data-graph

I want to make and image/dashborad (to export to PDF) with many VERTICAL bullet graphs gauges. And I can´t make it, in a automatic way. In general, the questions are: QUESTION 1: How to make a ...
3
votes
3answers
138 views

How can I find the boundary function in RegionPlot?

I have a problem with finding the function that gives the boundary curve in RegionPlot comamnd. I use the following code to make the regions in which two ...
8
votes
3answers
405 views

TreePlot with centered vertexes

I want to draw a tree plot for Euler totient function for this question like the following: I generate the EulerPhi for first 20 numbers into a list: ...
20
votes
3answers
3k views

Plotting a set of trajectories (not a vector field) in 3D

Consider a set of trajectories in 3D space, that possibly converge. By visualizing trajectories as arrows the result will look crowded as each arrowhead will be placed where the attractor is. In 2D, ...
10
votes
3answers
360 views

Showing the empty space in a Graphics3D plot

I would like to be able to visualize the empty space in a Graphics3D plot. For example, if I plot hexagonally close packed spheres using something like: ...
18
votes
3answers
550 views

Change the color of a Locator in a Manipulate

How can I change the color of a Locator in a Manipulate? As an example, consider the following. ...
1
vote
1answer
104 views

Intersecting/Overlapping Image Elements Counts?

I have what I believe should be a relatively easy problem to solve that I have not been able to find an elegant solution for. I need to compare two binary 2D images and count if any of the elements ...
5
votes
1answer
192 views

Why does the order of arguments in Show influence the result?

I am wondering why there is a difference in the results from evaluating the two expressions, which differ only in the order of the arguments given to Show. When I ...
14
votes
3answers
878 views

Get x and z coordinate from an image and make a parametric surface

In this blog entry, this step is mentioned: I grabbed an image of a Peugeot wine glass from the web and used the Get Coordinates function to digitize its outline, which I fed to Interpolation to ...
3
votes
4answers
221 views

Interpolating a plot with missing values

With data = {{1, 1}, {2, 2}, {3, 3}, {4, 4}, {5, 5}, {6, 6}, {7, 5}, {8, 4}, {10, 3}, {10, 2}, {11, 1}} and ...
0
votes
2answers
114 views

Edit Automatic PlotRange

if I have a plot let us say Plot[x^2 - 5 x - 10, {x, 0, 8}] I want o check if there is a way to know the automatic plot range and to add or subtract from that ...
0
votes
1answer
80 views

Showing Two Manipulated Plots Together

I want to show a scatter plot and bar chart next to each other in order to show the change in both factors for each county. The scatter plot shows life expectancy per county on the basis of income, ...
20
votes
6answers
3k views

Using ListPointPlot3D to simulate 2D plots moving in time

I wrote a 1D solver for the heat equation $u_t=u_{xx}$, and I can animate the solution using normal ListPlot command, where the x-axis is the rod length, and the ...
36
votes
5answers
2k views

Creating ghost trail effects

Does anyone know how to create a ghost trail effect? For a simple example look at this screenshot: You can find the actual animation here. What I would ultimately like to see it happen is to make ...
21
votes
1answer
2k views

Autorotating 3D plots

These days, I have to produce quite a few 3D surface plots (mostly functions of the type $\rho(\theta,\phi)$ plotted with SphericalPlot3D). To exchange these ...
21
votes
7answers
2k views

How to draw a spring?

I am new to Mathematica and have recently been exploring graphical animations. So I was experimenting with simple concepts in periodic motion and hence wondered how can I draw a simple spring? Is ...
33
votes
5answers
3k views

Filling a polygon with a pattern of insets

I am trying to fill a shape with diagonal lines. I am aware of Texture, but it rasterizes the fill pattern, which is not desirable. Here was my crack at it: ...
0
votes
1answer
55 views

Visualizing vectors [closed]

How to visualize a set of vectors with 3 coordinates $(x,y,z)$, e.g.,$(1,1,1), (1,-1,-1),(-1,1,-1),(-1,-1,1)$? In fact there are many of them. I try the function "Graphic3D" with the following code ...
19
votes
6answers
5k views

Flipping axis on a plot

I want to make a 2D plot where the x-axis is flipped so the higher numbers are on the right and lower numbers are on the left. I've managed to do it by flipping the data and making new ...
1
vote
1answer
78 views

Show that three given vectors lie on a line, a plane, or span 3-space

Given three vectors, {2, 0, 0}, {0, 2, 2}, {2, 2, 3}, how could I see if they are all on the ...
0
votes
0answers
33 views

How to generate Koch curve in mathematica [duplicate]

How is done in Mathematica to generate the curve? Exists in the fractal geometry Koch curve, consisting of partitioning a line segment of lngitud 1 in three equal parts, by removing the central part ...
2
votes
1answer
90 views

Cropping a non-cubic lattice unit cell

I would like to crop the hexagonal close-packed system as a hexagon and not as a cube. I would like to use the following volumetricPlot already given on this ...
3
votes
1answer
74 views

Why are graphics rendered as MathML when I set $PrePrint = MathMLForm?

For external usage, I set output in MathMLForm by using $PrePrint=MathMLForm Everything goes well but makes graphics rendered ...
1
vote
1answer
101 views

Generate a set of 3D coordinates subject to constraints

Generating a set of random 3D coordinates is ok, e.g. ...
2
votes
1answer
79 views

Convert Tube[BSplineCurve[…]] Graphics3D object to polygons [duplicate]

I wish to voxelize a complex shape composed of Tube[BSplineCurve[...]] objects, while maintaining the additional information of the (unvoxelated) surface normal ...
1
vote
2answers
108 views

How can I remove edges from my DiscretePlot?

By default, DiscretePlot displays "edges" along the sides and, prominently, align the top when ExtentSize -> Full is set. For ...
1
vote
1answer
51 views

Adding a legend to a MatrixPlot

I have produced this MatrixPlot: Rows refer to countries and columns to ranks. Row 1 refers to Norway with many 1 ranks, row 15 to Greece with many 15 ranks. Other countries are inbetween. I would ...
2
votes
2answers
92 views

Under OS X, is there a way to view graphics output when running in the command line?

Being a long time unix shell person, I prefer Mathematica's command line interface, over the notebook. (command history, etc...) It just learned that on OS X, the cli is available as MathKernel. ...
2
votes
2answers
77 views

Graphical solution of a a two-variable system containing an equation and an inequality

I'm currently studying atmospheric-gravity waves and their dispersion relations. I want to have look at values of $(x,y)$ that solve the following system : \begin{equation}\label{}(1) \left\{ ...
1
vote
1answer
47 views

VertexSize with GraphPlot [closed]

I'm constructing a graph using GraphPlot and I want some vertices to have a different size than others, like this: ...
3
votes
1answer
225 views

Make Plot look like Bloomberg terminal

I've always wanted to make my financial Plots look like a Bloomberg terminal. How would I go about making my chart look like one? I am talking specifically about ...
10
votes
2answers
552 views

2D Visualization of links and knots

I am trying to draw a picture using Mathematica of three loops linking together in 3D as follows. ...
3
votes
2answers
318 views

Add coordinate axes to a 3D plot of concentric spheres

I want to add coordinate axis to a figure of nested spheres. I have the command. ...
1
vote
2answers
197 views

Projection of curve 3D (x,y,z) on the x-y plane

I have a following systeme : \begin{equation} \left\{ \begin{array}{rcr} (\beta+\frac{1}{2}\delta^{2})\nu_{1}(u)-\delta\nu_{2}(u)+\nu_{3}(u)& = &0\\ ...
10
votes
2answers
564 views

Rebuild a polygon so it doesn't self intersect

If you consider the following Polygon: ...
3
votes
2answers
236 views

how to Export raster data as a tiff unmolested

I feel certain there is a simple answere here.. how do I export image data to a tiff without any scaling? I want to read back in the exact data. ...
-1
votes
1answer
69 views

Finding intersection and graphing

1) How do I find the intersection of f[c_] := y^2 - 2 x^2 (x + 3) == c ((y + 1)^2 (y + 9) - x^2) between the plots of f[0] and f[2] I tried plugging-in numbers. ...
19
votes
4answers
568 views

How can I get the color of overlapping disks to be equal in any order?

When Graphics is used, necessarily the objects come in order. This affects which ones obscure others. When Opacity is not 1, it also affects the color. I would like the color of overlaps to depend ...
5
votes
1answer
146 views

Why do vertex labels disappear when I edit with drawing tools?

I'm trying to change the text and arrow style in GraphPlot using the drawing tool, but the the vertex labels disappear when I do that: ...
3
votes
1answer
180 views

Bring Vertices to the foreground

I'm having some issues with being able to trigger the Tooltip in an AdjacencyGraph, as the edges are "covering" the vertex labels. In the example provided, there are no issues to display the tooltip ...
7
votes
3answers
471 views

Visualizing the output of a Voronoi diagram computation

I need to plot a graph (to be specific: Fortune Algorithm output) with given vertex coordinates and a few unconnected vertices. I am thinking of using Mathematica for that. ...
44
votes
2answers
2k views

Extract values for ViewMatrix from a Graphics3D

Under More Information in the help page of ViewMatrix the following entry can be found With the setting ...
7
votes
1answer
533 views

How to map rotate, pan, zoom to manipulate controls

I am wondering if there is a way to restrict the motion of the rotate mouse cursor in when moving around a 3d plot. For example, I want the y direction of the cursor to correspond to pulling the z ...
1
vote
1answer
135 views
3
votes
2answers
149 views

Contour coloring and (List)ContourPlot projection

I have two questions concerning (List)ContourPlots. Since they are related to a single visualization desire, I have combined the questions into a single post. I'm hoping that they will be easy to ...
1
vote
1answer
73 views

Two graphs in the same plot [closed]

I have the following plots for two graphs: ...