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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2
votes
2answers
966 views

distance between two curves

I try to compute the distance between two curves. I use the EuclideanDistance to do that. Here my code: ...
2
votes
1answer
341 views

Coloring with Hue for a function on a lattice grid

I wish to color a 2-dimensional lattice grid according to the value of a function at each lattice-node. More specifically, if I have 9 angles in a 3x3 array, ...
3
votes
1answer
420 views

Issue with ListDensityPlot when using logarithmic scale

I have got some frequency response data from a speaker measured with different incident angles between speaker and microphone taken in an anechoic chamber. The data can be found here. The whole ...
2
votes
2answers
544 views

Draw network graph and get the coordinates of each node

I would like to draw an undirected graph by specifying the nodes and the edges among them. This is currently done by, for example: ...
13
votes
2answers
631 views

Diagonal Tick Marks

I would like to draw diagonal tick marks around a plot, and simultaneously rotate the tick labels as well. I've mocked up what this would look like: Is there an easy way to do this in Mathematica? ...
8
votes
4answers
991 views

data visualization on a lattice grid

Is it possible to visualize an array whose elements are angles as actual angles on a lattice grid? E.g., say, if the input is: ...
9
votes
1answer
345 views

Caching of Graph Graphics

In this answer, Simon Woods concludes that when you display an expression with head graph more than once, something is getting stored somewhere. I looked into it too and found out this only happens if ...
9
votes
2answers
846 views

Customize your FrameTicks in a MATLAB way

The figure below is made by MATLAB. However, the scientific form of numbers in FrameTicks that how MATLAB deals with is quite different from that of Mathematica. ...
7
votes
3answers
325 views

Linking points in separate lists in ListPlot (updated)

Updated: I have two lists (of different lengths) of co-ordinates, in the form {x,y,"tag"}, that I wish to plot so that one list is graphically linked to the other ...
5
votes
1answer
175 views

Why do vertex labels disappear when I edit with drawing tools?

I'm trying to change the text and arrow style in GraphPlot using the drawing tool, but the the vertex labels disappear when I do that: ...
3
votes
1answer
206 views

double arrow in GraphPlot

Is it possible to combine two edges into one with a double arrow? For example: ...
5
votes
1answer
330 views

How can I extract the points from a ListSurfacePlot3D?

How can I get numerical output of ListSurfacePlot3D, i.e., a list of all the points, $(x,y,z)$ , used to construct the plot? Thanks to your help I now have a list of (x,y,z). But the new mesh is ...
27
votes
3answers
2k views

How to detect crosses and circles in 60x60 raster images?

I have hand-written 60 pixel times 60 pixel squares. I need to detect whether they are empty, x or circle. TextRecognize function fails. Is there some other function to process this kind of raster ...
18
votes
2answers
1k views

How can I draw a 3D cross-section of a 3-torus embedded in 4D Euclidean space?

I have a $3$-torus ($\mathbf S^1\times\mathbf S^1\times \mathbf S^1$) embedded in 4D Euclidean space. How can I draw the cross-section of this $3$-torus cut by a 3D Euclidean space in an arbitrary ...
8
votes
2answers
459 views

Combining Two Plots to Create a Zoomed Callout

I want to combine two images to create a zoomed callout, as illustrated below. The plot on the right is the zoomed in version of the boxed area on the left. The dotted lines connect the ...
0
votes
1answer
740 views

Colorbar doesn't appear

I have a list of data with dimensions $(2000,4)$. I plotted it using ListPointPlot3D, setting the fourth dimension as the color. As follows: ...
13
votes
3answers
1k views

Font sizes in graphics

I'm trying to find an explanation for the different sizes I'm seeing for fonts added to graphics in different ways, and haven't yet located an easy to understand explanation. Here's a minimal ...
3
votes
3answers
108 views

How to use Show in case one of the graphics doesn't exist?

I tried to combine three and more graphics with the Show command; but sometimes there is no data, so some of the graphics are empty lists. I tried this: ...
4
votes
1answer
425 views

substitution rules for Penrose tiles

This page on W|A shows a nice substitution rule to draw kites and darts. I'd like to implement the rule in Mathematica, so I've drawn the original kite and its replacement (separately). I've also ...
6
votes
1answer
4k views

How do I display a histogram with normalized counts?

I have some data corresponding to real number distances: {200.04053, 200.232123, 156.3242,...}, and I would like to bin these values and display them as a histogram ...
1
vote
1answer
529 views

How can I simulate a pot lid rotating around an axis that is quickly rotating?

How can I simulate the rotation of a pot lid about an axis that is quickly rotating as in the following image? I'm particular interested in the motion of the red dot. Here is my attempt: ...
1
vote
0answers
97 views

Publishing quality graphs to Adobe Illustrator? [duplicate]

I am trying to produce publishing quality graphs. I would like to export graphs from a Notebook to Ai (Adobe Illustrator). How do I do this? Just started using Mathematica, very new! Thanks, Anousheh ...
4
votes
1answer
591 views

Creating plot markers with centered text

I want to create a series of plot markers which are circles, squares etc. with 2-3 letter codes centered within the marker. My current attempt looks like this: ...
5
votes
2answers
678 views

Triangle mapped on a sphere in $\mathbb R^3$?

How can I map a triangle on a sphere? I want to visualize (plot or animate) it for my student in Non-Euclidean geometry. I have no restrictions on the triangle's kind or on the sphere in $\mathbb ...
-1
votes
1answer
673 views

How can I draw a Cuboid given its center and its dimensions? [duplicate]

I want to draw a Cuboid accroding to the coordinates of its geometric center and its dimensions, rather than its diagnoal coordiantes. And How can I draw a triangular prism?
5
votes
2answers
1k views

Using ChemicalData to make molecule graphics

$\require{mhchem}$I would like to take the acetone $\cf{((CH3)2CO)}$ and chloroform $\cf{(HCCl_3)}$ molecules that Mathematica's chemical data provides, and plot them together. I want to show how ...
4
votes
1answer
194 views

Automatically tracing and keeping ViewPoints in a list while manually rotating 3D graphics

I will need to make a video from the manual rotation of a 3D graphics. In order to do this, I will need to record the set of all view points that I made during rotation. There is method that we can ...
4
votes
2answers
489 views

How do I represent a system dynamics feedback loop?

In System Dynamics, if I want represent the relationship between Speed and Distances, I create a Flow (Speed) and a Stock (Distance) as you can see in this Insight Maker Sample . Heres an Image of how ...
2
votes
2answers
3k views

How can I change the position of my plot legends?

As the title indicates, I want to change the current position of the legends in a combined plot. The Mathematica code I used is ...
3
votes
1answer
254 views

NetLink Exporting Images doesn't work (Unknown string escape)

Exporting Image files (intermittently) doesn't work: I get messages back indicating the error is to do with escaping characters: ...
4
votes
1answer
197 views

Precision of rendered Rectangles in stiff-scale graphics

The attchd graphics called chromograms represent a set of discrete-state, continuous-time - ie, discrete-event signals, generated with Mathematica 9 on OSX with a Cinema display. • Top 2 rows are ...
3
votes
2answers
421 views

Density plot for data with a wide dynamic range

I'm generating some figures for a paper. One of them has a pattern like the following figure: ...
1
vote
1answer
148 views

How to export a plot into a file?

I am trying to save some graphics into a file, and it seems impossible. ...
4
votes
3answers
396 views

How to control the speed in Manipulation

As the title says, I want to control the speed when I use Manipulate. I have the following piece of code ...
6
votes
1answer
140 views

Tooltip not working in web deployed cdf

I deployed a CDF file in a web page. I used both Mouseover and Tooltip functions. They both work in the raw CDF file. The ...
30
votes
4answers
4k 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 ...
2
votes
2answers
217 views

Illustrating half life

I'm teaching some lessons on negative exponents and one application listed was half life since the rate of decay can be written as 2^-1 every __ years. I found this nice animation on the net. ...
15
votes
3answers
3k views

Create triangular mesh from random list of points

I have a list of points. I would like to take these points and create a mesh of triangles from them, making sure triangles don't overlap. So here's a list of points: ...
11
votes
3answers
849 views

How to remove unwanted regions in a three-dimensional surface

As the title indicates, I want to delete some unwanted regions in a three-dimensional surface created using ContourPlot3D. Here is the corresponding code ...
5
votes
3answers
1k views

Parameters for the CIE XYZ Color Space in Mathematica

In Mathematica, producing a color based on its RGB parameters is easy; one can use (for example) ...
3
votes
1answer
827 views

Adjacency List representation of a graph

I am looking to draw a graph knowing a simple adjacency representation of the graph like: A = {{1, 3}, {2, 3}, {3, 4, 5}, {4, 5}, {5}} Where ...
2
votes
1answer
619 views

Changing default range for x- and y-axis in ListPlot3D

How do I change the default values for the x- and y- axis in this example without altering the z-axis values? For instance, I want the x-axis to follow a range based on "x= 0.01 i+3" (not just i) , ...
14
votes
2answers
502 views

Equidistant points on a polyline

Set of 2D-points connected by a polyline B-spline function: ...
2
votes
2answers
421 views

How do I determine the original aspect ratio of an imported image?

Say I import a TIFF, JPEG, or PDF image. How can I quickly determine the original aspect ratio of the image so that I can properly scale its size? I have thus far been unable to find an answer ...
2
votes
1answer
185 views

Snapping two “Drawing Tools” objects together while decorating an image

I'm using "Drawing Tools" to decorate an imported image (a TIFF file). I need to create a set of regularly spaced parallel lines, and my solution for doing this is to create a pair of parallel lines ...
5
votes
2answers
585 views

three-dimensional graphic objects that are not simple cuboids

I am trying to draw some graphics with Mathematica. The objects I want to draw are just a little bit more complex than a cuboid -- the difference being that the top and bottom faces are of different ...
4
votes
1answer
431 views

Drawing partition diagrams on spheres

I will be doing a few presentations at an undergraduate research conference later, the topics of which are somewhat tentative at the moment, but one of the things I wanted to go over were some of the ...
4
votes
2answers
335 views

How can I change a Slider's appearance?

I am using Mathematica 9.0 and Windows 7. I want to create a Slider that looks like the following: I tried the following: ...
7
votes
2answers
381 views

Tick marks shrinking with ImageResolution [duplicate]

High resolution PNG export is handy for print quality plots, however tick marks are not scaling properly. Does anyone know a solution or a work-around, preferably for M7 (on Win7)? ...
4
votes
2answers
401 views

Image Rotation, Line Symmetry

I'd like to import an image, superimpose it, reduce the opacity of the overlaid image, and then use a manipulate to rotate the top image to illustrate rotational symmetry. The image below is using ...