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 ...
6
votes
2answers
183 views
Is it possible to induce Mathematica to chop off parts of Graphics objects that exist outside of a Frame?
I am running Mathematica 7. In a Graphics environment I am setting Frame -> True (and using ...
6
votes
3answers
415 views
Spreading colors in ListDensityPlot
I want to create a two-dimensional plot using data from an external file. This file contains several triplets of numbers. The first two columns indicate the x and y position, while the third one works ...
6
votes
1answer
226 views
5
votes
3answers
260 views
Tile image on specific location without space between them [duplicate]
Possible Duplicate:
How to combine images with the same dimensions in a grid?
I would like to arrange images without any space between their edges as each piece is made to connect with ...
3
votes
1answer
410 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 ...
0
votes
1answer
82 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 ...
9
votes
2answers
308 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
3answers
613 views
Labeling a bar chart, changing how rotated labels are centered
I'm trying to label a bar chart with rotated labels
see this simple example:
...
7
votes
4answers
373 views
How to combine ArrayPlots?
Define:
fat = ArrayPlot[RandomReal[1, {20, 10}], ColorFunction->"Rainbow"];
skinny = ArrayPlot[RandomReal[1, {20, 1}], ColorFunction->"Rainbow"];
What ...
5
votes
1answer
666 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 ...
5
votes
2answers
255 views
Rectangle with rounded edges
Inspired from :
Fit an image within a Rectangle [] in Graphics
I would like now to fit an image within a Rectangle[] with rounded edges as shown in the example below :
Is it possible ?
3
votes
1answer
134 views
How can I have an axis label automatically positioned below the X-axis?
I'm attempting to generate some histograms, and I'd like to automatically label the X-axis. However, Histogram[. . ., AxesLabel -> {"X", "Y"}] places the "X" ...
23
votes
4answers
1k 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 ...
27
votes
4answers
764 views
Factorisation diagrams
Here is a way to visualize the factorisation of natural numbers. How do we get this or a similar kind of output using Mathematica?
See the list of images generated for number from 1 to 36:
17
votes
3answers
651 views
Creating a 2D meshing algorithm in Mathematica
As what is proving to be a difficult, but entertaining task, I am attempting to adapt a 2D meshing algorithm created for MATLAB and port it to Mathematica. I understand meshing functions already exist ...
22
votes
1answer
367 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
404 views
32
votes
0answers
736 views
How to construct a treemap using non-rectangles?
I've written the standard version of a tree map (a graphic that shows nested data) and I'm looking to improve on this layout by switching to different types of polygons or perhaps circles. Can anyone ...
16
votes
6answers
506 views
Understanding Pie Chart Annulus generation and alternate style using Disk[]
Background
I have been working with a set of data for some time now and I recently decided to change the format. The data is a tree-styled listing of hierarchical names and positions.
(* Names ...
27
votes
2answers
839 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 ...
17
votes
3answers
1k 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, ...
14
votes
3answers
453 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 ...
19
votes
2answers
366 views
Is there a way to have Plot draw points on a function where the function is undefined as circles as in textbooks?
A very common feature of graphs of functions used throughout textbooks are simple indications, such as open circles, of the points at which a function is undefined. Is there a way to do this in ...
12
votes
5answers
693 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 ...
5
votes
2answers
3k 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 ...
17
votes
3answers
2k views
13
votes
2answers
205 views
11
votes
1answer
403 views
Programmatically combine 2D contour plots with 1D projections
I regularly need to plot 2D and 1D data together. I want to be able to show a 2D contour plot with the projections along each of the axes. As it is now, I create the three plots separately and use ...
9
votes
2answers
446 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:
...
9
votes
1answer
761 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, ...
17
votes
3answers
339 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.
...
15
votes
4answers
543 views
How can I create a ColorFunction using Blend?
As shown below, I am trying to find a cool way to show some variance weighted deviation from the mean. There are 10 attributes that I compute the distance for.
How can I add a color function such ...
14
votes
2answers
259 views
Scaling edge thicknesses
UPDATE
There may be some confusion as to the specification of the problem. kguler's answer doesn't really answer the question. I'll try to elaborate a bit at the bottom of the post.
One problem ...
11
votes
6answers
373 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 ...
9
votes
3answers
248 views
How can I create a 3D FilledCurve object?
FilledCurve can create a 2D graphics object; for example:
...
16
votes
3answers
637 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 ...
16
votes
1answer
361 views
How can I share objects with dynamic content with non-Mathematica users?
Often when I construct some cool Manipulate[] function, I would like to share it with others—non-Mathematica users. Some software, notably Cinderella, ...
15
votes
3answers
495 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 ...
13
votes
4answers
826 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 ...
13
votes
4answers
319 views
How to separate paths from the output of EdgeDetect?
I have been trying to find a way to separate the various closed paths that can be output by EdgeDetect. For example, taking the output of:
...
12
votes
4answers
1k views
Graphics plot of point using unfilled circle
I'd like to be able to place points on a plot using Graphics[{Point[{a,b}],....}] but have the plot symbol be an unfilled circle. I've looked around but can't find ...
11
votes
6answers
494 views
How can I fill-in this Pentagram?
This is my code:
Graphics[{EdgeForm[Yellow], Yellow, Polygon[Table[{Cos[t], Sin[t]}, {t, 0, 4 π, (4 π)/5}]]}]
which gives this:
but I want to get:
How?
10
votes
2answers
202 views
How to get the real PlotRange of Graphics with GeometricTransformations in it?
For demonstrating the problem, have a look at the following example, and try adjusting the rotation angle a and/or the Locator ...
4
votes
1answer
215 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:
...
16
votes
2answers
243 views
Packed Graph or GraphPlot output with non-square layout?
Graph or GraphPlot produce square layouts for disconnected graphs:
Graph[Table[i -> Mod[i^3, 100], {i, 1, 100}]]
I´d like to get a rectangular layout with ...
15
votes
4answers
1k 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 ...
12
votes
4answers
287 views
Arranging connector lines
Heike gave an absolutely wonderful answer to my question about arranging subplots around a main plot and including connector lines. This is the result:
Starting from Heike's answer, what is the ...
11
votes
2answers
598 views
Finding a Concave Hull
I have a 3d clustered data:
Is there any other way to get concavehull of 3D data points?
9
votes
2answers
272 views
Automatizing PSfrag export
I'm in the early phase of creating a Mathematica function (or package) that exports graphics such that they can be used with $\LaTeX$'s PSfrag.
The goal
Ideally, the function should take a graphic ...
9
votes
4answers
337 views
Why do some CountryData flags render at low resolution?
This question is related to data analysis introduced here
Why do some flag images from the CountryData dataset render at very low resolution both in Front End and ...
