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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7
votes
1answer
767 views

How do I prevent fonts sizes and line weights from scaling in exported graphics?

It's common to export graphics from Mathematica that are subsequently scaled to various sizes that cannot (at least not conveniently) be anticipated. This is problematic in cases where (as is common) ...
6
votes
1answer
407 views

How do I constrain the region where I can drag a Locator?

How do I constrain the region where I can drag a Locator to conform to rules, including rules that apply to computations resulting from the value of the ...
5
votes
1answer
445 views

How to use MathPSfrag package in Mathematica 10?

I am interested to use LaTeX like labels in the plots that I prepare in Mathematica, and hence, I downloaded the MathPSfrag package from this website ...
5
votes
0answers
153 views

How to fix a PDF line rendering problem in V9

If I run this in V8 ...
3
votes
1answer
136 views

Keeping Font Relative Size to Object/Graphics/Plot Object upon Resize

I want to keep the text generated within a graph/plot to remain the same relative to an element (a disk of size 0.2) of the image upon resize, not the image itself, while maintaining the original ...
3
votes
2answers
256 views

How can Magnify be forced to ignore the notebook's window width?

In a new notebook, I can illustrate how the action of Magnify is cut off by the window width: ...
19
votes
7answers
2k views

How do you draw the plane on which two vectors lie?

Given two arbitrary vectors $\textbf{v}_1$ and $\textbf{v}_2$, how can I draw the plane which they span?
14
votes
2answers
58k views

Generate a Unit Circle Trigonometry

Struggling often with Trigonometry I would like to have some code to generate this Unit Circle Trigonometry. Would be of great help when I need to transform some data :
13
votes
2answers
566 views

Phase portrait on a cylinder

It is very nice and very easy to make a sketch of a phase portrait with StreamPlot. For example, for the classical pendulum, defined by $$ \dot x=y,\\ \dot y=-\sin x, $$ The code ...
13
votes
1answer
272 views

How to determine numeric equivalent of Tiny, Small, etc. image sizes for Graphics?

Is there a way to find the numeric equivalents of Tiny, Small, Medium, and ...
12
votes
1answer
544 views

Map of Specific US States? (Isolated)

My question here is fairly basic, and I'm sure I'm overlooking something basic. I know about CountryData for creating shapes of entire countries, and it works, to ...
11
votes
1answer
201 views

Unwanted PlotMarkers appear at non-existent places

In this simple code ...
11
votes
2answers
703 views

How to plot a barycentric line

I want to plot a barycentric function on an equilateral triangle (ternary plot). For example f1 = {Abs[Sin[x]], Mod[x, 2], Abs[Cos[x]]}; At the moment I evaluate ...
11
votes
3answers
2k views

Poor rendering of fractals

Could someone explain why I get those ugly graphics .. ..trying to use fractals in mathematica 8 ? I'd also like to know if it is possible to draw 2D fractals in Mathematica My configuration ...
10
votes
5answers
833 views

The mysterious gap inside Grid

There's this gap inside Grid which I cannot seem to remove. Perhaps someone knows how. ...
9
votes
2answers
175 views

How to make a ArrayPlot/MatrixPlot in polar coordinates?

in fact, I want to plot a image like: Fig1 the picture above is from a paper Zhou K.-J. et al. 2014 about ion up-flow of ionosphere in MATLAB there is a specialized function pcolor which could ...
9
votes
2answers
1k views

How to calculate mix of 4 colors defined in CIELAB L*a*b* model?

I have 4 colors that I converted from RGB to CIELAB L*a*b* model. How can I calculate mix of these 4 colors when I have (L,a,b) for each such color? How can I ...
8
votes
6answers
720 views

How to draw symmetrical parts of a circle

Let's consider the following simple case: ...
8
votes
1answer
275 views

How to compile Heike's winding number function?

Heike gave the following function for winding number: ...
8
votes
1answer
584 views

How can I display a multigraph with different colored edges?

I'm new to Mathematica(version 9) and I'm trying to display a multigraph with different colored edges. Here's my code so far: ...
8
votes
1answer
379 views

Way to find color at a point in a Graphics?

I need to figure out a way to find out the RGB color value at a certain coordinate in a Graphics object. The Graphics object I am dealing with is continually Dynamically updated, so it is made of ...
7
votes
3answers
441 views

Identifying when two graphic objects overlap

I'm designing a small demonstration that helps to visualize the reason behind shaping an electrode that is used to probe a surface: ...
7
votes
4answers
496 views

Mark an 2d-area on a 3dPlot (ListPlot3d)

I have a list {(IC,s,FK)}, which I use to generate a 3d-plot with the help of the command ListPlot3D. ...
7
votes
3answers
633 views

How to get rid of Panel margins?

I have a feeling that there is something wrong in general with Mathematica's way of dealing with margins and spaces among/around objects in Graphics, ...
6
votes
3answers
350 views

How to disable differential styles/markers/etc. for multiple entities?

For functions that can produce multiple "style-able" entities, Mathematica by default will give each such entity a different style. Similar conventions apply to other features, either by default, or ...
6
votes
2answers
182 views

Control which variables get embedded inside Manipulate

While trying to analyse several different datasets I got what I thought was a good idea: define a "function" that returns a Manipulate object. But this has some ...
5
votes
1answer
544 views

How to display each step of an A star algorithm?

I wrote a pathfinding program: A*, which is an extension of Dijkstra. I want to see the result of each step at a time. Which function should I use? The main program is the notebook Astar, which is ...
5
votes
1answer
155 views

How to make MousePosition more reliable

This takes a little patience to reproduce, but I got a screenshot of it in version 9 on Mac OS X 10.7.5: With a small Graphics object, it occasionally happens that ...
4
votes
2answers
359 views

Recognize simple shapes in an image and color them randomly?

I have an image of polygons built from a polar function (see below). I'd like to color each triangle or quadrilateral a random color. Firstly, I'm not sure how to separate the simple shapes. ...
4
votes
2answers
233 views

Grid ItemSize is smaller than expected

If I execute MatrixPlot@IdentityMatrix@100, the result is a good size. However, if I evaluate ...
4
votes
4answers
420 views

Adding Math to Plots

I have several formulas I would like to place at specific coordinates in a Graphics object I have already created. I need to be able to choose bold or not as well ...
4
votes
1answer
713 views

Removing clipping masks from exported PDFs

I usually export graphics from Mathematica as PDFs which I tweak with Adobe Illustrator. When most plots are exported from Mathematica as PDFs they contain a large number of mostly useless clipping ...
3
votes
1answer
883 views

Quality control when exporting graphics into JPG

If I export a graphics from Mathematica to JPG format the image quality in JPG is visibly lower than that in Mathematica. Is it possible to control and eventually increase the quality of the exported ...
3
votes
1answer
495 views

Exporting a Video of a Simulation of Pendulum Motion

In a series of previous questions, I asked how to solve a series of differential equations describing a series of coupled pendulums, and then how to plot this data by coloring the different pendulums. ...
2
votes
2answers
397 views

How can I build a GraphicsGrid of arbitrary size?

This is actually a very simple scenario, in order to make simpler this question Part I. Consider the following piece of Mathematica code ...
0
votes
1answer
256 views

How can I build a GraphicsGrid of fixed size that rearranges the empty plots?

OK, let's make one final attempt; they say the third time is the lucky one! Following @rm-rf 's suggestions, I will try to be as clear as I can. My Mathematica code reads and plots simultaneously ...
24
votes
1answer
707 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: ...
14
votes
2answers
4k views

Plotting vectors originating from the origin in 3D

I have an array of data with 3D elements. Ex: x = {{1,2,3}, {3,4,5}, {5,6,7}}. I want to show this data in 3 dimensions, such that each point in the space is shown ...
13
votes
4answers
2k views

How can I extract the maximum value from a Histogram?

In Mathematica 8.04 I've created a histogram of returns on a stock using: ...
11
votes
6answers
1k views

2D Gaussian distribution of squares coordinates

I would like to imitate the structure of this great painting from Ellsworth Kelly in Mathematica. Yet with all the colored squares in Black and the beige one in white. Below is what I have wrote to ...
9
votes
1answer
278 views

PlotMarkers doesn't inherit PlotStyle when first argument to Graphics isn't a list

Could somebody explain, why Circle does not inherit the PlotStyle of the plot when used as ...
8
votes
2answers
3k views

Labeling points of intersection between plots

There are several answers where Mathematica used mesh points to show graphically where curve intersections exist. For example: Marking points of intersection between two curves or Is there a better ...
8
votes
1answer
568 views

Changing default ImageSize in the frontend?

I would like graphs to appear somewhat larger in my notebooks (running v8.0.4 on OSX 10.8.2). Naturally I can specify ImageSize in each individual plot, or drag ...
7
votes
4answers
358 views

Finding the point of minimum distance between two parametric functions

I have two functions re and rm, for which I computed the minimum distance between them. Now I would like to add a point at the ...
7
votes
2answers
184 views

Dynamically transform one Graphics to another

I would like to have two Graphics objects displayed side by side such that: they are mirror images of each other if I change the left-hand one interactively using ...
7
votes
2answers
501 views

Generate Random Text within a Rectangle

I would like to generate images such as the four below. That is: some text of different length fit within a Rectangle[] using ...
6
votes
1answer
135 views

How to share LineLegend among sub-figures in GraphicsGrid?

Using GraphicsGrid, I have put two figures that share the same x-axis in a row. However, I failed to let them share a common ...
6
votes
2answers
181 views

“The function DiscretizeGraphics is not implemented for GraphicsComplex” confusion

Why does DiscretizeGraphics seems to work on one GraphicsComplex and not the other? Here is an example that works: ...
6
votes
2answers
420 views

Transfer graphics from Mathematica to Word without loss of quality

I want some high-quality 2D graphics produced by Mathematica in my paper. My step-by-step operation as follows: First I make the plot, for example, ...
6
votes
2answers
927 views

Manipulating plot of random iterated function system fractal

I'm generating the Sierpinski Gasket by implementing a chaos game in mathematica. What I'd like to do is create an interactive manipulation with a slider, whereby moving it forward, plots all the ...