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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23
votes
1answer
628 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 ...
20
votes
2answers
1k views

How to quickly calculate intersections of filled curves?

I am trying to quickly calculate the intersection of polygons with more than 6,000 points. A compiled solution would be preferable. Here is one example of the problem: ...
28
votes
7answers
2k views

How do I draw a Circular Graph colored like this in Mathematica?

I must plot some data in radians and would like to use this image as a background to that graph. Although it looks good the lines are degraded in image form. thus the reason for this question. Can ...
22
votes
7answers
3k views

Distance between point and line segments

How would you determine the shortest distance between a point and one or more segments? For example, what is the shortest distance between the point and the two segments below? Clearly the point is ...
19
votes
2answers
665 views

Dynamically splitting Disks with Mouseover

I've recently stumbled across this site: Koalas to the Max, and the first thought that came to my mind was "I want to recreate this with Mathematica". As a first step I tried to create a ...
13
votes
2answers
984 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 ...
26
votes
3answers
2k views

How to change ColorFunction after plotting

Say I have a plot like plot = DensityPlot[ Exp[-((x-5)^2+(y-5)^2)/5^2], {x, 0, 10}, {y, 0, 10}, PlotRange -> {0,1} ] Is there a way to ...
23
votes
5answers
1k views

Morphing Graphics, color and location

I would like to make a small animation : 1-We start with a random distribution of gray points : ...
20
votes
4answers
749 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 ...
7
votes
1answer
3k 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 ...
17
votes
4answers
2k views

Combine absolute and relative (scaled) coordinates

I am using Inset to add an Epilog to a plot. The position of the images (in my case: framed numbers) can be specified as an ...
15
votes
3answers
838 views

How can I create a 3D FilledCurve object?

FilledCurve can create a 2D graphics object; for example: ...
15
votes
3answers
1k views

On coloring the faces of a surface differently with parameter-dependent colors

Old versions of Mathematica ($VersionNumber < 6) supported a particular syntax of ParametricPlot3D[] that allowed for ...
7
votes
1answer
1k views

Rasterized image together with vector-graphics axes

Following some of the questions here on Mathematica Stack Exchange, I am trying to export an image that contains a rasterized object and vector-graphics axes. Here is an example: ...
25
votes
5answers
742 views

Compiling ColorFunction for faster complex phase-amplitude plots

I have gotten into the habit of plotting complex-valued functions on a plane using a color-function along the lines of ...
24
votes
2answers
426 views

How can I export graph as PDF with metadata such as Title and Author fields

I want to export a figure from Mathematica in PDF format. Moreover, I want to fill Author and Title fields of the PDF. For example, to fill Author field, I use the following code: ...
22
votes
0answers
312 views

Is FullGraphics an abandoned function? Is there an alternative?

FullGraphics hasn't worked entirely for a long time and the situation appears to be getting worse instead of better. In Mathematica 10.0 and 10.1 a simple usage ...
12
votes
2answers
2k views

How to get and set default font parameters for Plot, ListPlot, LogPlot, etc.?

How can I find the default font parameters (family, size, etc.) for the text that appears in Graphics produced by Plot, ...
11
votes
4answers
2k views

How to draw a higher-genus surface

NB: By higher-genus surface, I mean a closed orientable surface of genus at least 2. This question has come up before on math.SE, and even MathOverflow, but most posters suggested using either ...
10
votes
3answers
570 views

Find intersection points with V10

My question departs from this one: Find intersection of pairs of straight lines but now I want to find the points with the new V10 Region-functions. ...
22
votes
1answer
525 views

Is there an equivalent of FullGraphics for Graphics3D?

For 2D graphics, there exists the function FullGraphics to turn the stuff Mathematica generates automatically on Graphics (like ...
15
votes
2answers
476 views

How to generate a closed B-spline curve?

I wrote a function called deBoor using the Cox-de Boor algorithm to generate a B-spline curve. ...
13
votes
1answer
496 views

Morphological Filtering in 3D to produce skeletons

Context As a follow up of this question and that answer, I would like to identify the special lines separating 3D watersheds. These are useful in the context of astronomy to identify the ...
13
votes
2answers
809 views

How can I create a fountain effect?

Inspired by this (please use Chrome or Firefox), I tried to simulate it, but I couldn't do it. I'm not familiar with Dynamic. Here is my simple code: ...
11
votes
6answers
627 views

Overlapping Red and Green ArrayPlots to show yellow intersections

Let's say I have two ArrayPlot[]s. One is in redscale and the other is in greenscale, such that the lowest value is white and the highest value is pure red or ...
10
votes
1answer
10k views

Mathematica code for Bifurcation Diagram

At the moment I am trying to construct a bifurcation diagram of the iterative function $f(x)=$ $ax-1.1975x^3$. I've scoured the internet for pre-made bifurcation diagrams and found many (mostly of the ...
8
votes
1answer
542 views

How to generate nonperiodic tilings?

I need to generate nonperiodic tilings which are similar to the attached figure (kite-domino tiling). I was thinking the code is similar to the code for the Penrose tiling. However, that code is too ...
20
votes
3answers
2k views

Finding the centroid of a disk in an image

I got about 100 images of the sun and have to find the centre of the star in the images. I have binarized the images and used ComponentMeasurementsto find the ...
19
votes
2answers
567 views

Ad hoc graphics primitives-like objects

Sphere is one of the three-dimensional graphics primitives available in Mathematica and can be easily used to created very useful images. For instance, in the ...
13
votes
5answers
1k views

How to combine one or more rotated graphics objects?

I wish to produce an image with more than one composite graphics objects which have been modified using Rotate. I feel this should not be difficult, but haven't yet found a solution. A simple example ...
13
votes
2answers
376 views

Anti-aliasing not working in Mathematica 10 and Linux

This issue appears to be fixed in version 10.1 While this works fine in version 9, in version 10.0 the Antialiasing setting has no visible effect any more I'm here on Ubuntu 12.04 64-bit ...
12
votes
2answers
533 views

Interpolation on a regular square grid spanning a triangular domain

Bug introduced in 10.0 and fixed in 10.1 Context I am trying to identify contours of a function which is sampled on a cartesian grid within an irregular (triangular) region. Here is the data ...
12
votes
5answers
569 views

Joining ordered set of points with splines in spiral

I have a collection of points ...
12
votes
4answers
469 views

Graphics can't be live and editable

Is there a way to construct an interface so that the Code and the Graphics remain in sync? For example I would like to be able to drag/drop and move around different shapes in Graphic while seeing ...
12
votes
2answers
6k views

How to insert graphics primitives into a plot?

I have a standard normal curve rendered with the following command: Plot[{1/Sqrt[2*Pi] Exp[-1/2*x^2]}, {x, -3, 3}, Filling -> Axis] It looks exactly as you ...
11
votes
4answers
653 views

What is a good way to plot some difficult implicit equations?

Here are several equations, it seems that Mathematica couldn't plot them well, although I set PlotPoints>100 ...
10
votes
3answers
666 views

How to use legends from PlotLegends in LevelScheme?

I've been attempting to find efficient ways to generate graphics with legends for export, and have been working with both LevelScheme and the new (to v9) ...
10
votes
2answers
898 views

Detecting edge/region in contour plot

I am interested in improving this plot: which I produced with the following command: ...
9
votes
2answers
923 views

How to draw line connecting points on circle

Consider the list {1,2,3,4,3,4,2,1}. I want to label these points on circle the way they appear on list(clockwise, counter clock wise doesn't matter). After that I want to connect same points by ...
9
votes
4answers
918 views

Showing a rectangular plot on an almost-closed sphere

I am currently teaching some students about the "point at infinity", and how it allows us to treat circles and lines as "the same", etc. I would like to kind of show this happening with a series of ...
8
votes
1answer
218 views

Remove the extra white-space padding introduced by implicit use of Inset in GraphicsColumn

Simple Context This is a question about understanding how Inset really works and how GraphicsColumn and the like automatically ...
7
votes
1answer
559 views

Want Interactive PlotRange of Graphics[{}]

I am trying to do: ...
18
votes
5answers
4k views

How do I draw a triangle given the lengths of the sides?

I know, of course, how to draw a triangle in the plane given the vertices: Graphics[Polygon[{{1, 0}, {0, Sqrt[3]}, {-1, 0}}]] But I'm not sure how to simply draw ...
14
votes
5answers
546 views

How can I generate and randomly assign color to annular sectors?

How can I generate such an image and fill every annular sector with a random colour?
10
votes
2answers
2k views

Overlapping accurately Images and Graphics (without loss of resolution)

Context In a previous post, I learned how to produce these kind of plots, which are of interest in astrophysics and geophysics. I am now interested in combining them. Attempt For this purpose, ...
9
votes
1answer
203 views

How to discretize a BezierCurve?

Bug introduced in version 10.0 and persisting through 10.4 DiscretizeGraphics is new in 10.0. I need to create a discretized region from a ...
8
votes
3answers
676 views

How to draw timing diagram from a list of values?

What is the most elegant way to draw a timing diagram specified by a list of zeros and ones? In the following code I attempt to draw the clock pulse diagram, and I'd like to continue drawing the ...
8
votes
3answers
1k views

Plotting a 2D shape along a 3D parametric function curve

Say I have a 3D curve that is parametrically defined. How would I be able to plot shapes like figure 8's whose centers are aligned along the 3D curve? Say the curve was: ...
8
votes
1answer
1k 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 ...
8
votes
1answer
286 views

LocatorPane, selecting multiple Locators

Consider the following snippet ...