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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13
votes
1answer
382 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 ...
6
votes
2answers
467 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 ...
12
votes
3answers
2k 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: ...
5
votes
1answer
101 views

Drawing disk with coordinates from NDSolve

I have simple Manipulation expression, but continuously getting error Coordinate {x[0.], y[0.]} should be a pair of numbers, or a Scaled or Offset form. I assume that something is wrong with ...
4
votes
2answers
98 views

Epilog with text not shown

I use the Epilog option in order to print in the vertical axes a label between 0 and 20 as follows ...
4
votes
2answers
134 views

Fill curve betwen specified abscissa points [duplicate]

I am plotting the Maxwell-Boltzman distribution of molecular speeds. I want to be able to select a region to integrate using a manipulate function. Then I want to have that same region filled in on ...
0
votes
0answers
69 views

Is it possible to have more than two vertical axis in Mathematica 2D plots? [duplicate]

Is it possible to have more than two vertical axis in Mathematica 2D plots? This is possible for example in matplotlib: http://matplotlib.org/examples/axes_grid/demo_parasite_axes2.html EDIT: the ...
5
votes
1answer
103 views

Getting the coordinates of GeoDisk[] and similar Mathematica 10 GeoObjects

I'm a big fan of the new Mathematica 10 geographic capabilities and functions such as GeoDisk[], GeoCircle[] and others. One limitation of these functions, however, is the transformation of the actual ...
6
votes
5answers
373 views

Calendar view outline

How to compute the outline of a calendar month like this D3 example. (D3 is a functional language built on JavaScript developed at Stanford and used by New York Times to deploy interactive ...
1
vote
1answer
118 views

Finding the Tangent to the Curve [duplicate]

I could use some help with this. This is my first time using mathematica and im trying to get use to the coding. Find an equation of the tangent to the curve and graph the curve and tangents. ...
93
votes
7answers
16k views

How to generate a random snowflake

'Tis the season... And it's about time I posed my first question on Mathematica Stack Exchange. So, here's an holiday quest for you Graphics (and P-Chem?) gurus. What is your best code for generating ...
17
votes
3answers
1k views

Creating diagrams for category theory

Lately I've been doing algebra and I have found myself drawing a bunch of diagrams when I attempt to solve a problem. Most of the diagrams are very simple so I thought, I bet I can do this in ...
11
votes
4answers
429 views

Using an Image as the Fill/Texture (not background) of a Plot (not polygon)

Is it possible to use an image, rather than a color, or ColorFunction, as the filling for a plot? For instance, I want to make a plot using ...
3
votes
2answers
294 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, ...
2
votes
1answer
94 views

Mathematica exported movie quality

I am generating an animation using: anim = ListPlot[X] Export["anim.mov", anim, ImageResolution -> 800, Antialiasing -> True] The .mov file obtained this ...
30
votes
2answers
2k views

Mollweide maps in Mathematica

Context In my field of research, many people use the following package: healpix (for Hierarchical Equal Area isoLatitude Pixelization) which has been ported to a few different languages (F90, C,C++, ...
2
votes
1answer
114 views

How to correctly map values onto an arrayplot

I want to understand why the order of the text is reversed from what it should be? If I compare the first and second results, I see that the {1,1}, {2,2},... diagonal is going down the wrong diagonal. ...
9
votes
1answer
324 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 ...
2
votes
2answers
70 views

LegendMarkerSize value equivalent to special character size in LegendMarkers

I am trying to find the equivalent LegendMarkerSize value to the size specified for special characters when using LegendMarkers. So far I found LegendMarkerSize 14 generates symbols close to 22 set ...
9
votes
2answers
387 views

In version 9 PlotLegends, how can I remove the strange edges that appear around LegendMarkers?

I'm running Mathematica version 9. I am using ListPlot to plot two sets of data. For each data set, I am using different ...
1
vote
1answer
63 views

Resize GraphicsGrid

Here's a GraphicsGrid after evaluate cell: Here's a GraphicsGrid after I resize it: I then run Export["test.pdf", grid] and get this PDF: Needless to say, ...
3
votes
1answer
104 views

Multiple animation in Mathematica

I have the following in Mathematica: ...
4
votes
2answers
188 views

Mathematica Plot and Movie Problem

I have imported two .mat files from Matlab. One containing the x coordinates and another y of a curve at different instants. So the .mat files are matrix and each row belongs to coordinates at a given ...
0
votes
0answers
99 views

Generate Matlab figure

I am currently working on a project. Because of lack of communication between my team mates and I, I did most of the work (and the graphical figures) in mathematica. Now, I have to pass all the ...
1
vote
0answers
74 views

Parts of Plot3D / ListPlot3D obscured by non-transparent tick labels (v10.0.1)

I am running v10.0.1 on Win7 64. There appears to be a problem with rendering 3-d graphics. For example: Plot3D[Sin[x] Cos[y], {x, -π, π}, {y, -π, π}] Parts of ...
1
vote
1answer
55 views

Plotting polyhedra faces with polygons removed from the interiors of the faces

I have dozens of vertices and dozens of faces which is why I use the v={};i={} and Graphics3D and ...
16
votes
3answers
1k 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 ...
16
votes
2answers
1k views

What is the best way to create a correlation matrix heatmap with values?

This may have been asked somewhere else, but I couldn't find an answer by searching. I'm trying to create a correlation table that colors the background behind the numbers as a heatmap. I've been ...
0
votes
0answers
33 views

Can any function give a draggable closed curve on feature edge of an image like “EdgeDetect” found?

I've posted the question, but hardly describe it clearly, now let me show it this way: I don't know the algorithm for "EdgeDetect". Suppose the detected image edge consists of single line pixels at ...
4
votes
2answers
197 views

How to highlight the feature edge of an image with draggable select lasso?

As shown in the picture, i want to know if it is possible to: 1) recognize the feature edge like face,nose,eyes,mouse,etc. 2) highlight the feature edge with draggable select lasso, 3) return the ...
5
votes
1answer
281 views

Adding arrows in curves

Let's consider the following case ...
12
votes
5answers
377 views
1
vote
1answer
57 views

Graphicsrow title [duplicate]

I made the following graphic with Mathematica 9.0: Does anybody know how to put a title on the top of the whole graph? (not in each single plot). Basically I used ...
4
votes
1answer
112 views

Visualization/colorization of many outliers in a BoxWhiskerChart

Imagine a larger data set which I want to display using BoxWhiskerChart. ...
1
vote
2answers
63 views

Is there a way to logically test an optional color input inside a module? [duplicate]

Suppose I create a Module that is expected to return a graphic that I will later use in a plotting procedure (e.g., with ...
6
votes
3answers
150 views

Weird output of DistributionChart

I have a larger data set and want to display it using DistributionChart. ...
3
votes
2answers
157 views

Adding labels and numbers in axes

Let's see the following test case ...
9
votes
2answers
498 views

How can I draw a grid behind graphics without using Plot?

I want to a show simple vector summation but I don't know how to draw a grid behind the vectors. I am pretty sure I can do it with Mathematica but how? It should look like this:
1
vote
0answers
76 views

graphicsgrid white space

I'm working with mathematica 9.0 making a graphic grid. Here's my image: I'd like to know if it's possible to make the two cells from right only one and if there's some manner to rid of the white ...
1
vote
1answer
138 views

Help in Bifurcation Diagram

My dears, I need to plot a bifurcation diagram for the following non-linear systems represented by the next Mathematica code ...
6
votes
1answer
917 views

How to generate a cartoon of a face

I want to use Mathematica to generate a cartoon of a face. For example, some thing like this: I think it can be done using Mathematica, but I really don't know how to do it. How can it be done, and ...
1
vote
0answers
45 views

How to select default graphics device for charting?

Is there a way to tell Mathematica to use a specific graphics device for charting? My laptop has two graphics devices; an on-board Intel chip and a Nvidia graphics card. I noticed in Mathematica's ...
6
votes
1answer
160 views

Fractal dimension of a large networked molecular system

I am trying to determine the fractal dimension of this complex biomolecule (figure attached). Any clues as to how this can be done. In trying to determine this quantity, I wonder how its ...
6
votes
1answer
259 views

transparency in image used for texture?

Is there a way to set a transparancy channel in a raster image used for a texture in 3d graphics? this creates a raster image with a transparency channel: ...
15
votes
3answers
3k views

How to convert a 2D image into a 3D graphics?

I have an image I would like to make into a .dxf and to do this I need a Graphics3D object. Is there anyway I can do this? Can ...
3
votes
0answers
95 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: ...
8
votes
3answers
1k views

Creating a foggy image

I want to create foggy images like this one (produced with Adobe Photoshop): Not at least familiar with Mathematica's Image processing capabilities, the only ...
2
votes
0answers
204 views

Generalize WASD Function First Person Viewing

How might I generalize the following WASD question such that it works with any Graphics3D object and includes q and ...
3
votes
1answer
53 views

Are there more pre-existed ColorFunction options?

I mean such as "DarkRainbow","Rainbow","BlueGreenYellow" and"NeonColors",If yes,Please tell me how to find them. Sorry for my poor English.
4
votes
1answer
173 views

Creating a three dimensional fullerene molecule

How do I modify the following program to create a nice coloured molecular plot of C60 or fullerene as shown in the attached figure This figure was retrieved from ...