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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26
votes
4answers
4k views

How to draw Fractal images of iteration functions on the Riemann sphere?

Prof. McClure, in the work "M. McClure, Newton's method for complex polynomials. A preprint version of a “Mathematical graphics” column from Mathematica in Education and Research, pp. 1–15 (2006)", ...
19
votes
4answers
2k views

Find the minima and maxima of a list

I have a list, such as: ...
27
votes
3answers
2k views

How to detect crosses and circles in 60x60 raster images?

I have hand-written 60 pixel times 60 pixel squares. I need to detect whether they are empty, x or circle. TextRecognize function fails. Is there some other function to process this kind of raster ...
20
votes
3answers
904 views

LocatorPane and PlotRange

Consider the following snippet from the documentation on LocatorPane ...
23
votes
3answers
5k views

how to make graphic timelines in mathematica

Hi does anyone know how to make timelines with mathematica? Something like that would be great!
21
votes
0answers
342 views

Graphics`Mesh`FindIntersections[ ] fails to detect intersections

Graphics`Mesh`FindIntersections[ ] is an undocumented function for, well, detecting intersections very efficiently. Take a look: ...
20
votes
4answers
1k views

How can I specify the arrowhead size in printers points?

Is there any way to specify the size of an arrowhead in printer's points? I'm looking for something that would have similar functionality to AbsolutePointSize, <...
16
votes
3answers
1k views

Background image in a polygon / CountryData

Is it possible to use a background image in a polygon without rasterizing the polygon? I tried with textures, but they seem to be viable only for simple polygons. I want to put a flag as the ...
14
votes
3answers
2k views

Finding a Concave Hull

I have a 3d clustered data: Is there any other way to get concavehull of 3D data points?
14
votes
5answers
2k views

How to texturize a Disk/Circle/Rectangle?

The documentation for Texture states that "other filled objects" can be texturized: Texture[obj] is a graphics directive ...
11
votes
9answers
1k views

How to join each of the spheres? Or, how to make a 3D grid?

Graphics3D[{ {RGBColor[#], Sphere[#, 1/50]} & /@ Tuples[Range[0, 1, 1/5], 3] } ] It gives this: Now I want to get this one: How? As simple as ...
9
votes
1answer
3k views

Adding arrows in curves

Let's consider the following case ...
9
votes
4answers
2k views

Export Graphics[] without white edges

I am trying to generate & Export[] Image with the below code, but as shown in the images I get some white border around my rectangle. How could I export an images that stopes right at the edge of ...
9
votes
2answers
954 views

How To interactively create a Polygon in a Graphic?

Background: suppose I start with the following (working) snippet. Manipulate[Graphics[Line[{{0, 0}, p}], PlotRange -> 2], {{p, {1, 1}}, Locator}] Ideally, I ...
13
votes
2answers
1k views

Computing the bounding boxes for Text objects

Regardless of AspectRatio, the Text boxes overlap. ...
13
votes
1answer
245 views

Structure of Graphics (esp. those produced by Plot, ListPlot, etc.)

I'm looking for a description of the structure of Graphics objects, aimed at the advanced Mathematica programmer. The motivation for this question is the ...
12
votes
1answer
11k views

Adding a point to an already existing graphic

This is just a follow-up of this post: Beginner 2D animation with maths equations Part of the code is: ...
13
votes
2answers
474 views

Anti-aliasing with the multiple-object form of Polygon?

Observe: rand = RandomReal[1, {4, 3, 2}]; Graphics @ Polygon @ rand Graphics[Polygon /@ rand] I am losing anti-...
10
votes
4answers
1k views

Coloring Points in a Plot, based on their position in the list

Before I describe the question, I'd like to say that I've seen the excellent answers posted here but have not managed to get them to work for my own data. I have a list of values that I would like to ...
8
votes
2answers
3k views

Formatting Ticks and FrameTicks labels with a function

Is there a convenient way to format tick labels? In this example I would like to use the default Mathematica tick intervals, but simply convert the X axis labels to strings with "s" added. As you ...
8
votes
3answers
1k views

Increase 3D Graph thickness for 3D printing in Mathematica?

My code: Plot3D[{(2*x*y)/(x^2 + y^2)}, {x, -2, 2}, {y, -2, 2}] Output: And now I can export this to STL by using the export STL command, however, when I try ...
3
votes
2answers
1k 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. ...
2
votes
1answer
351 views

Map points on a square onto a Torus

I would like to create a 3D torus plot from a 2D graphic. This 2D original plot is a bit complex, and I haven't a clue how could transform it to a torus. The below code, from this article posted on ...
7
votes
2answers
2k views

Controlling the 2D $x–y$ aspect ratio of a 3D plot

I have some data representing a nested list, each element being composed of 3 real numbers like ...
5
votes
1answer
957 views

How do I reverse the axis in ParametricPlot?

In astronomy, right ascension is usually plotted with positive values that increase from right to left. I have seen discussions of successful and unsuccessful attempts to reverse the order of an axis ...
42
votes
1answer
2k views

Constructing election cartograms?

I found this pretty neat page showing cartograms for the US elections and I don't really know how to get started doing these graphics in Mathematica. For those who don't know, a cartogram is a map in ...
39
votes
5answers
2k views

Rotating an image along a Möbius strip?

I am trying to make a GIF which will be a rotating Möbius strip, with some text printed along its (one!) side. I am trying to (obviously) do this in Mathematica. After some diligent searching and a ...
31
votes
1answer
1k views

Make a map of squares

I'm trying to use Mathematica to make a map similar to the one here i.e. a US map where each state is represented by a square of a given size, located as close as possible to its true geographical ...
12
votes
4answers
2k views

Plot a 2D vector path onto a surface

In my calculus 3 course, we're studying gradients and have a project that takes a combination of 3D Gaussian radial surfaces and a basic parametric path $r(t) = \{x(t),y(t)\}$ to see how the gradient ...
18
votes
2answers
1k views

How can I draw a 3D cross-section of a 3-torus embedded in 4D Euclidean space?

I have a $3$-torus ($\mathbf S^1\times\mathbf S^1\times \mathbf S^1$) embedded in 4D Euclidean space. How can I draw the cross-section of this $3$-torus cut by a 3D Euclidean space in an arbitrary ...
11
votes
7answers
5k views

How to draw a Circle in 3D on a sphere [duplicate]

The Circle function is strictly a 2D Graphics object, so that we cannot directly combine a ...
25
votes
2answers
959 views

Movable text on a curve

Having an arbitrary curve defined as InterpolatingFunction, what is the best way to place a text on this curve? The text generally has two rows, for example: ...
17
votes
4answers
1k views

Subplots with connector lines

I am looking for advice from people who have more experience in this area on what is the best (simplest, least effort) way to create a graphic like the following: This is a rough mockup made in a ...
13
votes
2answers
1k views

How to position text labels automatically to not overlap other graphics elements?

I was plotting reciprocal frame projection using Locators for a point to be expressed in terms of both the original basis (also specified with ...
22
votes
3answers
3k views

How do I add arrowheads to circular arcs?

I have figures containing several arcs showing the extend of angular measures, and would like to indicate the directions in which angles are measured with arrowheads. How do I add an arrowhead at the "...
16
votes
2answers
2k views

What is the best way to create a correlation matrix heatmap with values?

This may have been asked somewhere else, but I couldn't find an answer by searching. I'm trying to create a correlation table that colors the background behind the numbers as a heatmap. I've been ...
13
votes
3answers
1k views

Generating hatched filling using Region functionality

Before v.10 came out there were several Q&A on generating hatched filling for Plot, ListPlot etc. In v.10 we have new ...
22
votes
2answers
2k views

How can I customize arrowhead shape to match common LaTeX styles?

How do I control the shape of my arrow heads? LaTeX's TikZ package has a wide variety of predefined arrowhead styles, some of which I'd like to try to match for Mathematica figures I'm importing into ...
12
votes
1answer
757 views

What is the best way to clip a graphic to a region?

What is the best way to clip a graphic to a certain region? Here's a very simple implementation to show what I mean: ...
10
votes
1answer
4k views

Image Processing: Finding Orientation and Position of Symmetry Axes

Background I'm currently toying with Principles of Design by Charlotte Jirousek in order to learn some basics of image processing. As main principals she suggests Balance, Proportion, Rhythm, ...
24
votes
7answers
3k views

Visualize Pascal's triangle and other triangle shaped lists

How can Pascal's triangle be visualised like this in Mathematica? Or more generally, how can a 'triangular' list like {{1},{1, 1}, {1, 2, 1}} be visualized in ...
17
votes
5answers
5k views

How to draw a great circle on a sphere?

I apologize for the text description, but new users are not allowed to post images. I want to draw a circle that cuts through the center of a sphere and has an inclination of 15 degrees with the ...
15
votes
2answers
728 views

Change base font for all graphics objects

How can I change the base font style for all graphics objects, including the ones generated using plotting functions? I would like to change this a single time and have it affect all graphics ...
10
votes
6answers
1k views

can the color in MeshStyle be specified by a ColorFunction, such as “SunsetColors” for example. If so, what is the correct syntax?

This is an example given in Help: Plot3D[Sin[x y], {x, 0, 3}, {y, 0, 3}, MeshStyle -> Gray] Could this be changed to something like ...
12
votes
1answer
266 views

How can I make FilledCurve smoother?

In How can I generate and randomly assign color to annular sectors? J.M. showed an interesting way to create a sector graphic using FilledCurve. Unfortunately it ...
27
votes
1answer
1k views

What is wrong with triangle PlotMarkers in v.10.0.0?

Bug introduced in 10.0.0 and fixed in 10.0.1 In Mathematica 10.0.0 we have built-in graphical triangle PlotMarkers. Let us look closer on them: ...
9
votes
4answers
331 views

Dynamic Epicycles

Thanks to all the thorough answers and comments, I've written the following code, which builds a variable number of epicycles. However, when I apply the formula $\gamma(t)=e^{it}+\frac{1}{2}e^{7it}+\...
6
votes
2answers
2k views

How to align rotated tick labels?

How can I align tick labels so the tick label text ends centered under the data point? Of Course it works fine with a rotation of 90 Degrees, but not with 45 or similar angles. I see an example of ...
7
votes
2answers
1k views

How to insert guide-lines in graphics without specifying range?

Is it possible to insert guide lines in Graphics - for example a horizontal line through y=0 coordinate without specifying the range of the line? Originally I assumed Infinity might do the trick: <...
6
votes
3answers
1k views

How can I completely remove the ListAnimate controls?

I want to use ListAnimate to show an animation but I want to remove the slider and all of the buttons from the top and show the animation panel only. There is an <...