For questions specific to the Graphics3D command and related 3D graphics functionality.

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3
votes
1answer
294 views

How can I make a pretzel shape using Bézier curves?

I am trying to make a pretzel shape,but I cannot seem to get the loops even. Eventually, I need to make the pretzel shape loop in 3D so I need to nail the 2D concept first. Here's what I have so ...
1
vote
1answer
118 views

How can I plot the typical axis and not the “box axis” in Plot3D?

Are there any option to plot the typical and classic axis instead de "box axis" that is the default option in Mathematica? What I would like is any similar to the axis in red in the following image. ...
1
vote
1answer
104 views

Graphing a pulsating sphere in a 3D vector field to illustrate divergence at point

I am attempting to create an interactive animation using Manipulate[] that allows me to move a point(or small sphere) around in a vector field to illustrate ...
1
vote
0answers
135 views

Anti-aliasing won't work when there is PlotStyle command

I've found that if there is PlotStyle command in the input, anti-aliasing will not work. However if the Style code is ...
5
votes
1answer
103 views

How to make 3 dimensional arrows look good when their lenghs are wildly different?

I was trying to adapt Jens's answer for adding arrows to a 3D graphics into a general plotting function here. But I find that when I try to combine the Graphics3D ...
18
votes
2answers
2k views

Arrows on axes in Plot3D

I use the following code to draw Arrows on Axes in 2D graphics: ...
2
votes
1answer
56 views
3
votes
2answers
134 views

Using RevolutionPlot3D to visualize a volume

I am working with some calculus students and trying to visualize solids of revolution. RevolutionPlot3D works well for this, but I am having a bit of difficulty with the syntax of the command. The ...
2
votes
1answer
42 views

Why do I sometimes get errors when exporting 3D graphics which have been translated or scaled?

When I try and export 3D graphics, I get an error if some of the graphics complexes are translated. such as: ...
10
votes
2answers
417 views

create an (almost) hexagonal mesh on an ellipsoid

EDIT I edited the question in order to take into @Kuba's comment. I want to create this figure with Mathematica (in particular an almost hexagonal mesh on an ellipsoid; thanks to @Kuba I know this ...
0
votes
0answers
188 views

Plot exported in EMF format does not scale well in MS Word

I have been using Mathematica for a short time now and never had a reason to learn about exporting vector graphics. However, I need to include some graphics in some work I'm doing in Word 2010. I save ...
26
votes
2answers
2k views

Trying to Visualize a Collatz - The Collatz conjecture

I happen to have this collatz collatz[x_, y_] := If[x == 3*y || x == 2*y + 1 || y == 3*x || y == 2*x + 2, 2, 0] So i want a visual 3D adjacency graph of my ...
1
vote
1answer
95 views

Generate $n$ randomly oriented non-intersecting cylinders with fixed radius and length

This post is in reference to the previous question here. How could I adapt the solution given to have the following constraints: fixed radius, fixed length, number of cylinders, and within a ...
1
vote
1answer
93 views

PametricPlot3D vs ContourPlot3D

Basically, I don't know whether I am missing something mathematically fundamental or I misued Mathematica's functions. ...
2
votes
3answers
119 views

Function of surface roughness

How do I draw with Mathematica a function like this? I would use a series of circles and find the surface. Thanks!
0
votes
0answers
29 views

How can I efficiently select certain mesh elements based on measurement criteria?

I am trying to do some mesh cleaning based on element size, but I'm having a hard time seeing how to best use the MeshRegion data structure to accomplish it without ...
2
votes
0answers
60 views

DiscretizeRegion fails on two clearly intersecting cylinders

Intersecting cylinders has been on the top here lately, so it got me to thinking of this, ...
3
votes
2answers
240 views

generating randomly oriented non-intersecting cylinders

I could not find anything relevant with "googling" (only this) I can create a set of randomly oriented cylinders (code found here) ...
13
votes
2answers
530 views

Advanced graphics with Mathematica

Ten years ago I bought a book by Tom Wickham-Jones, Mathematica Graphics: Techniques and Applications. I read parts of it but then I forgot its existance. In recent years I read the nice book of ...
2
votes
2answers
184 views

intersecting cylinders

I try to replicate the two figures of two intersecting cylinders from here. I tried ...
40
votes
1answer
567 views

Random polyhedra walk

I would like to recreate ssch's random polyhedra random walk, which he posted in the chat. For convenience here it is again: This is my best attempt so far: You can download the notebook with ...
1
vote
3answers
1k views

how to plot 3d graph for x^2 - y^2 = 1? [closed]

How to plot 3 dimensional graph for x^2 - y^2 = 1? I am already using it and I only can plot in 2 dimensional graph. Can someone help me with this problem?
5
votes
2answers
113 views
0
votes
1answer
72 views

Rotate the output of Plot3D [closed]

f[x_, y_] := Sin[x^2 + y^2] Exp[-x^2] + Cos[x^2 + y^2] g2 = Plot3D[f[x, y], {x, -2, 2}, {y, -2, 2}, PlotPoints -> 50, Axes -> False, Boxed -> False] ...
1
vote
0answers
39 views

Plot3D PlotStyle V10.3 vs V7 [duplicate]

This is the from the the very good book of Hazrat He used Mathematica 7.0. In Mathematica 10.3 one gets ...
2
votes
2answers
142 views

Applying transformations to data coming from an STL file

I am very new with the use of 3D graphics in Mathematica, so my question might be very naive. I need to Import an STL file, apply transformations to it (rotation and translation), and export it back ...
2
votes
1answer
106 views
0
votes
1answer
106 views

How to colorize a 3D image [closed]

I have a 3D image where the values are in {1/4, 2/4, 3/4, 4/4} and its size is {134, 134, 67}. I used Image3D to display it. However, I am wondering if there is a possibility to colorize the image by ...
3
votes
1answer
113 views

Replicate an image from Documentation Center (EulerMatrix)

EDIT I try to produce an image similar to that (see here) but this time with an ellipsoid. I hope I am not wrong but the code that creates this beautiful image is not available in Mathematica's ...
7
votes
0answers
119 views

How can I export 3D plots as vector graphics? [duplicate]

Consider the following simple example code: plot3D = ListPlot3D[{{0, 0, 1}, {1, 0, 0}, {0, 1, 0}}, Mesh -> All]; Export["plot3D.pdf", plot3D] As clearly seen, ...
16
votes
2answers
656 views

Export Plot3D in Mathematica 10.1 is Rasterized by default

When I use Export to export Plot3D to PDF format, I get different behaviour in Mathematica 10.1 compared to 10.0. In particular, ...
6
votes
2answers
331 views

How to make a 2D plot of 3 variables (sample picture attached)

Is it possible to plot that kind of graph in Mathematica? (picture attached) If yes, it can be used to visualise a simple "balance system" of the form: X = f[e]; ...
1
vote
4answers
390 views

Mapping Contour Plot onto ListPlot3D (or by using color variations) [closed]

I am trying to overlay a contour plot I have created on a ListPlot3D graph. I have seen a few questions answered on this website that answer my basic question. ...
22
votes
4answers
1k views

How to make a blob in 3D?

I am trying to make a blob like the one shown below, but in 3D so I can rotate it. I'm trying to use ParametricPlot3D or ...
4
votes
3answers
249 views

Animate $2D$ butterfly curve in $3D$

There is a butterfly curve $$r(\theta)=e^{\sin(\theta)}-2.4\cos(4\theta)+\sin \bigg( \frac{\theta}{12} \bigg)^5$$ ...
3
votes
1answer
106 views

Change position and orientation of 3D object

I was trying to understand how 3D objects work in Mathematica, but I run into a problem I am not able to solve by myself. I have the following 3D plot: ...
2
votes
1answer
69 views

modifying graphics3D objects after their creation

Suppose I want to demnstrate two ellispoids; one with the center at the origin and the other translated. After the advice I got in the last question I use ...
4
votes
1answer
117 views

How to include 2 dimensional disks in a Graphics3D object (Ellipsoid)

I hope I am not doing something wrong. Compare the following figures. 1) Ellipsoid ...
2
votes
2answers
97 views

2D List Plot in a 3D box: What am I doing wrong?

Let me just show the result first, and you'll see the error easily: Now, this is just a 2D image sent into a 3D box, so you'd think they looked alike. But the 2D image behaves well: The code was ...
15
votes
1answer
717 views

Mathematica: 3D plot based on combined 2D graphs

I have several sigmoidal fits to 3 different datasets, with mean fit predictions plus the 95% confidence limits (not symmetrical around the mean) and the actual data. I would now like to show these ...
1
vote
1answer
77 views

change the size of the image

If this is trivial or a duplicate I apologize. I failed to find something. I have the following code ...
0
votes
0answers
54 views

Mathematica creates a huge eps file [duplicate]

I use the following code (based on the responses in my recent relevant questions) in order to generate randomly distributed unidirectional cylinders in a cylinder of elliptical cross section. ...
9
votes
5answers
2k views

How to render a 3D ellipsoid with Graphics3D?

With Graphics3D[Sphere[{0,0,0},1]] I can render a uniform 3D sphere, but how can I render an ellipsoid? I would need to specify the rotation of the ellipsoid and ...
4
votes
1answer
154 views

Render Graphics3D of anatomical data in color

I am trying to render a bone structure in color in Mathematica 10.3, but none of the obvious methods seem to work: ...
0
votes
1answer
47 views

Parameters of Ellipsoid dependent of other variables in Manipulate

I'm very new to Mathematica; I'm trying to use it to display a Manipulate of an Ellipsoid that contains the parameters dependent of other variables. For example, my ellipsoid equation ...
0
votes
1answer
128 views

How to draw cylinders inside a cylinder

It can be considered as a sequel to 98724 I adopt the code of ybeltukov (thanks again) and I slightly modify it. ...
7
votes
1answer
278 views

Plot the 3D complement

I have plotted a 3D region using Show[RegionPlot3D[set1, opt1], RegionPlot3D[set2, opt2], RegionPlot3D[set3, opt3]] So this command plots the union in $\mathbb ...
0
votes
1answer
183 views

Arbitrary Oriented and Translated Ellipsoid (Euler Angles)

EDIT! This is a recent post updated and with better wording. The title has also changed. Any attempts to find something relevant have failed so far. The closest is this Ellipsoid. First some ...
20
votes
4answers
2k views

How to get rid of the perspective effect in a 3D graphics

I have plotted a figure of MoS2 crytal structure. But the actual output looks like the spheres are not in the correct position due to the perspective effect. I obtained the correct position figure ...