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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3
votes
1answer
112 views

How to make PlotMarkers constructed from Graphics track plot style?

In this plot the Disk[] markers are not colored according to the style of the line to which they belong: ...
2
votes
3answers
124 views

Delete the white areas in GraphicsGrid

Let's see a simple example ...
2
votes
4answers
158 views

How to place more than one ChartLabel in a BarChart

I have the following data: ...
2
votes
2answers
656 views

How to set the ratio between the vertical and horizontal scales of plots?

The documentation says that when AspectRatio->Automatic is specified, Mathematica determines the ratio of height to width from the actual coordinate values ...
0
votes
1answer
170 views

TextRecognize with crosses, circles and spaces results into oddities, why?

I am investigating this answer here about detecting crosses and circles with TextRecognize. I tried to solve this problem here by directly using the builtin command TextRecognize but it does not work ...
14
votes
4answers
867 views

What does DisplayFunction->Identity do to graphics functions?

Does DisplayFunction->Identity do anything at all in Mathematica 8? In the third edition of Programming in Mathematica, Roman Maeder gives the following ...
11
votes
5answers
694 views

How to plot rectangles aligned by their center?

Supose I have a rectangle which area is $x^2$. In some cases I may not know what is the size of each side, for $x=12,$ we have several possibilites: ...
8
votes
1answer
992 views

How to position legends exactly where I want them?

I just noticed another plot legend question today and while user solutions to this, in particular code by @Jens, are IMO better than the built in solutions, exact positioning often still requires some ...
7
votes
3answers
250 views

How can text-specific antialiasing be disabled in Rasterize?

While tinkering with the code in the Falling Matrix question, I was hoping to improve the rendering speed by making the rasterizations of the text grayscale. I changed the base color of the text to ...
7
votes
2answers
191 views

Why aren't the locators independently enabled/disabled?

I am wondering why the Enabled setting for the first locator (point1) overrides the Enabled setting for the second locator ...
7
votes
1answer
323 views

Color ramp banding in PDFKit when exporting Raster image Inset to PDF

Here I produce a Raster image with large uniformly colored rectangles and put it in an Inset: ...
7
votes
4answers
981 views

Plot Ellipse based on EigenSystem

Please consider the following : ...
5
votes
1answer
148 views

How do I avoid the gaps introduced by a frame on a plot?

You can see that there are gaps on all sides of the plot between the frame and the extent of the line that I've plotted. How do I get rid of these? I'd like the frame to cover $[0,1]\times[0,1]$ and ...
5
votes
1answer
758 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 ...
4
votes
1answer
156 views

VertexRenderingFunction (or EdgeRenderingFunction) with movable nodes?

In GraphPlot, I'd like to use VertexRenderingFunction (VRF) and have the resulting object behave the same way under dragging verticies as it does when I do not use VRF. The same issue occurs for ...
4
votes
3answers
650 views

How to draw rectangle in mathematica with arrow

I have a basic question but i cant seem to find an answer for it. How do i draw a rectangle in mathematica with either clockwise or counterclockwise arrow heads. In this picture i know two points ...
4
votes
1answer
364 views

Edit Plot/Graphics after it's been drawn. [duplicate]

Sometimes I run into a situation when there are graphics objects (mostly plots) that take a while to draw. Good practice would suggest you do all your evaluation outside ...
3
votes
1answer
182 views

How to smoothly change the radius of a circle by dragging its circumference?

I am attempting to set an EventHandler to change the radius of a circle by dragging on its circumference. But the response to the dragging is terribly slow. What is ...
3
votes
1answer
142 views

How does epilog position work in logplots?

I'm trying to use Epilog in my plots but the position of the Epilog isn't making much sense. As a minimal example consider, ...
3
votes
2answers
223 views

Exporting graphics without X server

I have a Mathematica installation on a Linux server that is intended to be used for batch processing. Some of the things that will be processed will include rendering of graphics. However, if I use ...
3
votes
2answers
122 views

Moving a locator based on the movement of another

My problem is: I want two Locators to simulate a vector in the following sense: The first Locator is the base and the second ...
2
votes
1answer
162 views

Order of symbols in Graphics labels

Do you have any idea how to force an order of Greek letter in the graphics? When I type in AxesLabel -> {Cost, Δ OverBar[π]} the order is π Δ. How can I ...
2
votes
1answer
229 views

Why is this expression being held, and how can I evaluate it?

I can't figure out why an expression isn't evaluating, even though there's no Hold* in its FullForm: ...
2
votes
1answer
97 views

Graphing the amount of time a function takes

I know I can find out the amount of time a function takes to run like this: In:= function1[100] //Timing Out:= {0.043334, Null} How can I graph this over a set ...
1
vote
1answer
146 views

Combining Mandelbrot and Monte Carlo

I'm trying to combine plotting a Mandelbrot set with Monte Carlo randomization to plot an equation using random points for complex number z, for the function $z^3-2z+2=0$. Below is the code I have ...
1
vote
0answers
110 views

Anti-aliasing won't work when there is PlotStyle command

I've found that if there is PlotStyle command in the input, anti-aliasing will not work. However if the Style code is ...
1
vote
1answer
103 views

TextCell going awry due to ImageResolution (in Mathematica 7)

Can anyone see how to fix this text display? The example is from a larger project. I need to export the graphic at high resolution, but the text is going wrong. ...
0
votes
0answers
141 views

Generate Matlab figure

I am currently working on a project. Because of lack of communication between my team mates and I, I did most of the work (and the graphical figures) in mathematica. Now, I have to pass all the ...
0
votes
1answer
255 views

Using an image as a moving object in an animation

I have following animation: ...
0
votes
1answer
815 views

How to show legend in a combined plot of many lists,

I am having trouble with adding a legend to a plot. The example I discuss here is simpler than my real problem, but describes it well. I have a vector, called X with dimensions (100 x 6). I use the ...
71
votes
6answers
7k views

Generating visually pleasing circle packs

EDIT: (my conclusion and thank you note) I want to thank you all guys for this unexpected intellectual and artistic journey. Hope you had fun and enjoyed it the same as I did. I would like to ...
27
votes
4answers
3k views

How to create this four-dimensional cube animation?

This is a tesseract, a four-dimensional cube, which contains two cubes. Here, each side length of the smaller one is 1, while the side length of the bigger one is 2. How do make I it? I am still ...
30
votes
4answers
796 views

How to make a stereogram in Mathematica?

Given a background and a pattern jpg files, is there a quick and easy way to produce a stereogram by using Mathematica? The following picture was produced from Photoshop, spent about half an hour. ...
28
votes
2answers
413 views

Chart illustrating options that affect Graphics/Graphics3D objects

In Mathematica there is a seemingly never-ending list of parameters that affect the appearance of Graphics and Graphics3D ...
28
votes
2answers
2k views

Animating a Voronoi Diagram

edit: Excellent answers have been provided and I made an animation which is suitable for my use, however, all the examples rely on bitmap/rasterized data; is there a vector based approach? I would ...
23
votes
1answer
559 views

On drilling holes with minimal redundancy (and with colors!)

The old Mathematica package Graphics`Shapes` featured the function PerforatePolygons[], which drilled a hole in any ...
18
votes
3answers
1k views

Finding a function that fits the shape of an image

How can I find a function that fits the given shape of an image? Or instead extract a point set from the shape and then find an interpolating function fits the shape. An example image is attached.
15
votes
4answers
575 views

Exclude data from a list

Let's create some random sample data data = Table[{RandomReal[{-10, 10}], RandomReal[{-10, 10}]}, {i, 1, 300}]; Then we plot them using ...
17
votes
2answers
773 views

How to measure segment length and branch angle

I am trying to measure segment length and branch angle or bifurcation angle between each pair of segments. My image after thinning looks like this: ...
17
votes
3answers
1k views

Creating diagrams for category theory

Lately I've been doing algebra and I have found myself drawing a bunch of diagrams when I attempt to solve a problem. Most of the diagrams are very simple so I thought, I bet I can do this in ...
16
votes
3answers
879 views

Approximating an ornamental curve

How do I go about approximating this ornamental curve? Note variable thickness typical in calligraphy. Handbook and Atlas of Curves by E.V. Shikin (1995) contains many directions, including curve ...
21
votes
4answers
796 views

How to partition a disk into individually spaced bricks?

What I want to do is in any way produce a picture that looks like this Given a set of words, how can I partition a disk into bricks for these words, such that it looks good? Here is my sucky ...
20
votes
4answers
661 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 ...
18
votes
3answers
1k views

Using Inset[..] to overlay a Graphics3D with its raster version

Preamble First let me explain the why. You can skip this and go directly to the question if want to answer it right away. We had more than one discussion about how to produce nice looking 3d plots ...
27
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 ...
6
votes
1answer
2k views

Spiral pattern and Fibonacci numbers

I'm want to generate a 2D spiral pattern like the the one shown in the following figure. I can generate the spirals one by one, but I think there ought to be a more efficient method for generating ...
6
votes
2answers
1k views

How do you draw credible regions/intervals on a 2D PDF?

I have some numerical data from which I generate a PDF via: pdf = HistogramDistribution[data]; Which can then be easily visualised thus: ...
6
votes
2answers
9k views

Plot legend inside a Show [duplicate]

Possible Duplicate: Using PlotLegends with Show messes up the graphics I have created a composite plot function: I want to add a legend to it, but ...
14
votes
2answers
2k views

Mathematica color schemes for the colorblind

Does Mathematica have a graphics option that makes plots intelligible for people with colorblindness?
13
votes
2answers
691 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. ...