Data visualization is the study of the visual representation of data, meaning "information that has been abstracted in some schematic form, including attributes or variables for the units of information"
11
votes
3answers
318 views
Is it possible to position ticklabels on the negative y axis on its right side?
Is it possible to position ticklabels on negative $y$ axis on its right side? Ticklabels on positive $y$ axis should remain as usual:
32
votes
0answers
744 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 ...
33
votes
2answers
2k views
How to show solid bodies using volumetric rendering?
Note: This question was asked when Mathematica 8 was latest release. Version 9 has built-in support for volume rendering through Image3D.
There's an example on ...
11
votes
0answers
310 views
Strategies for Interfacing to web visualization libraries like Stanford's Data-Driven Documents (D3)?
There is a growing library of visualization tools being developed (eg on GitHub) - for Stanford's Data-Driven Documents. The implementation languages and standards are the usual W3C suspects: JS, ...
34
votes
5answers
1k views
Creating ghost trail effects
Does anyone know how to create a ghost trail effect? For a simple example look at this screenshot:
You can find the actual animation here. What I would ultimately like to see it happen is to make ...
10
votes
2answers
798 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 ...
14
votes
1answer
278 views
Labelling ArrayPlot Charts
I have been using ArrayPlot to show off some information. Currently, my datasets are like so:
...
17
votes
3answers
716 views
Visualizing a Complex Vector Field near Poles
I've been playing around with a visualization technique for complex functions where one views the function $f: \mathbb{C} \rightarrow \mathbb{C}$ as the vector field $f: \mathbb{R^2} \rightarrow ...
6
votes
2answers
362 views
How can I visualize features found in an image?
I am using Mathematica to explore the face detection feature of Core Image on Mac OS X Lion. To do this I have an Objective-C program which captures images from the iSight camera, runs face detection ...
6
votes
2answers
166 views
Truncate TreeForm to show only the top
For some expressions, TreeForm may grow very long. I'm only interested in the top levels of the expression. How can I get the tree form of only the first levels an ...
9
votes
2answers
267 views
Visualizing several long lists of numerical information to see relative frequency
Mathematica has very powerful visualization techniques. However, I'm at a loss at how to best make the following chart readable.
...
16
votes
6answers
1k views
Using ListPointPlot3D to simulate 2D plots moving in time
I wrote a 1D solver for the heat equation $u_t=u_{xx}$, and I can animate the solution using normal ListPlot command, where the x-axis is the rod length, and the ...
