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

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1answer
30 views

How to draw the trajectory of a moving particle

I want to draw a 3D graph showing a nanoparticle movements in liquid environment. Basically,the code is like the followings. I used Table to generate the position coordinates instead of using the ...
2
votes
1answer
43 views

How to draw multi curves in a graph with errorbars

The curves are composed by several 2*n nested lists. I want these curves be placed in a 3d way, like the xy plane is for the data, different curves are located in several parallel xy planes with ...
1
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4answers
295 views

how to find the intersection points of two circles in 3D

I have two circles in 3d space generated from their parametric Equations. Also, these two circles are on the same plane. How can I find out their intersection points from the parametric Equation ? ...
2
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1answer
92 views

Continuous 3D Arg Plot

I have a problem with jumping phase plots using the Arg function in mathematica. I have looked at the other questions already asked here (e.g., continuous phase/Arg ...
1
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0answers
34 views

Generating 2D models from a 3D model

I have a model of cube with randomly distributed spheres included there. ...
2
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0answers
153 views
+50

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 ...
1
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1answer
43 views

Axis Labels Disappear With Manipulate

I have a ListPlot3D with custom axis labels that I am scrolling with Manipulate. My issue is that the axis labels scroll away as ...
7
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2answers
192 views

Attaching a legend to BallAndStick picture

I am looking for a way to add a legend showing the identity of various atoms (with different colours) to this picture. Any Clues? ...
0
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1answer
84 views

How to get an Excel-like surface plot with ListContourPlot3D

I'm trying to create an Excel like surface plot from an import of data from an Excel workbook. I get the data without issue. It is a set of percentages in bin ranges over a series of dates. I'd ...
9
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3answers
227 views

Excluding a Region in ParametricPlot3D

Suppose I have a torus and a closed path on said torus: ...
17
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1answer
628 views

Mobius transformations revealed

Mobius Transformations Revealed is a short video that vividly illustrates the simplicity of Mobius transformations when viewed as rigid motions of the Riemann sphere. It was one of the winners in the ...
0
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0answers
36 views

Graph embedding and edge weights [duplicate]

Does functions like GraphPlot take in to account edge weights in case of springelectrical embedding? In case of spring electrical embedding I expect the vertices connected by heavy edges to be pulled ...
3
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1answer
73 views

How to color objects from a single .obj file?

How to paint the dolphin, shark and the box with different colors after loading the .obj file into Mathematica? ...
5
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2answers
210 views

Is it possible to assign different colors to parts of an .obj file?

There are four different cubes in an .obj file. After loaded into Mathematica, is it possible to assign four random colors to the cubes? ...
2
votes
1answer
146 views

How to convert a sparsearray to a graph?

s = Import["hello.mat"]; t = GraphEmbedding[Graph[s[[1]]], "GridEmbedding"]; I get the following error: GraphEmbedding::graph: A graph object is expected ...
0
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0answers
83 views

Simulation of Circular plate vibrations

I'm trying to simulate the vibration of a circular plate with a free edge. The plate wave equation describes the vertical displacement of the middle surface of the plate $(\zeta)$ as a function of ...
1
vote
1answer
75 views

Missing arrow tips and colors

My main problem is: I plotted a curve here, but the tip of some arrows are missing. Why does this happen, and how can I fix this? Not the main problem: Also, I once tried to make the arrows with ...
4
votes
1answer
112 views

How to vary line thickness to add a sense of perspective?

Is there a simple way to vary the line thickness relative to the viewpoint so as to add a sense of perspective? Take for example the following: ...
10
votes
2answers
271 views

Map of United States as a 3D histogram

By combining the state data from here and the extrusion code from here I have managed to make prisms of the various US states such as However, the extrusion method looses information about the ...
7
votes
1answer
151 views

Strange behavior of `BoundaryMeshRegion`

BoundaryMeshRegion is new function of version 10. I am not familiar with the function. I want to decide whether a point is inside or outside in the Boundary using ...
1
vote
2answers
77 views

How to define logical expressions for platonic solids?

A more general question would be: How to find logical expressions for 3D-objects described by closed polygon sets? Finally a simple question is more prolific, therefore: How to define logical ...
10
votes
2answers
202 views

How can I decide whether a closed surface is intersected by a triangle?

A closed surface consisted of Polygons or GraphicsComplex and a triangle made by 3 points are in a 3D space. How can I decide ...
2
votes
0answers
61 views

Determining the total illumination of a polygon

Is it possible to determine the total illumination of a particular polygon with the given light sources? I truly acknowledge that Mathematica is not supposed to do this modeling, but it is what ...
4
votes
2answers
110 views

Plotting Semi-hollow spheres [duplicate]

I wish to create a nice data representation of three nested spherical sections, with a cut away so they can be viewed. As a MWE, something like; ...
1
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1answer
69 views

How to “merge” various graphics 2d into one 3d graphic? [closed]

I did some calculations and as result got a 2D graphic, but at the beginning of the work I used a constant parameter. What I want is to make a 3D graphic with this parameter as an axis, varying from 1 ...
11
votes
5answers
871 views

How to make a depth map from a 3D model?

Given a 3D .obj model, for example a rabbit. How can we make a depth map out of it? Any idea or help would be much appreciated.
2
votes
2answers
110 views

Interacting with 3D Graphics, for export [closed]

Are there any export formats which preserve the ability to interact with 3D Graphics? (In particular, the ability to rotate.) EDIT: I've found this question: How to make a 3D plot auto-rotate? ...
4
votes
1answer
89 views

Revolving an axisymmetric image for volumetric rendering

I have a series of axisymmetric images of a jellyfish swimming in fluid. Overlaid on these images are plots of the Lagrangian coherent structures associated with swimming, which highlight the fluid ...
8
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3answers
115 views

Ticks disappear in Graphics3D with Epilog

Normally, you can enable Graphics3D to show tick marks by doing this: Graphics3D[Sphere[], Axes -> True] But in ...
8
votes
1answer
81 views

Mathematica's “POV” export format ignores ColorFunction

I was playing with xslittlegrass's Pov-Ray package and more generally with the POV-conversion function ExportString[#, "POV"] &, and noticed that ...
3
votes
1answer
113 views

fragment loss with ContourPlot3D

I expect to have a chimney-look plot out of the function z = 1/(x^2 + y^2), but what I got is a broken one. Is there a way to get an intact plot from ...
1
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0answers
52 views

Internal self-test error MLParseStream|c|297

I have been plotting time-dependent vectors. Earlier I used the following plotting options: ...
2
votes
1answer
80 views

Graphic using manipulate runs too slow

Here is a naive coding of a projection of a point on a sphere. It runs very slow. Can it be changed to run faster without losing its essential analytic character? ...
5
votes
2answers
219 views

How to draw a box with holes using Mathematica

How to draw these two(especially the second one) graphs using Mathematica? The curve is not important.The point is how to dig some holes in a cube. BTW, These two shapes are Homotopy.
0
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0answers
68 views

How to make equidistant or split ListPoint [duplicate]

How to split the curve with more equidistant points? ...
4
votes
2answers
211 views

Extrude 2D cross-section to 3D shape with shrinkfactor

I would like to create a 3D shape from extrusion and scaling of a 2D contour. The 2D contour that I have looks like this: and it consists of a bunch of points (here plotted with ...
0
votes
0answers
60 views

Finding Symmetries of Points on a Sphere

Currently, I am working on a project where I would like to find symmetries of points plotted on a sphere. One example would be to rotate the sphere 180 degrees about the x-axis and the picture would ...
5
votes
3answers
336 views

How to measure cross sectional area of Tube

I have modified my question to a simple version. I have vertex clusters, polygons and a list of center points. Attached pts and polygons of 3d tube are: ...
2
votes
1answer
87 views

How to draw a 3D convex hull of a set of points with styling

I´m trying to obtain the convex hull (with transparent faces) of a small number of points. I would like the Plot to have the points shown with small spheres numbers 1, 2, 3, ... along the axes ...
3
votes
1answer
207 views

Game of Life in 3D

Is there a three-dimensional cellular automaton that in some sense generalizes Conway's Game of Life? If so, how might we use the CellularAutomaton command to ...
1
vote
0answers
97 views

Opacity limitations?

Trying to make a better-looking globe model, I start off with something like this To enhance the 3D effect, I want the lines further from the eye to be "grayer" than the lines closer to the eye, as ...
3
votes
1answer
159 views

Add contour lines to Graphics3D

I am writing the following code: ...
1
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0answers
55 views

Moving two Spheres in the Opposite Direction [closed]

We know that we can achieve to a box contained two spheres by the code: Graphics3D[Table[Sphere[{i, Mod[i^2, 10], Mod[i^3, 12]}], {i, 2}]] How can the left ...
2
votes
1answer
79 views

Coloring a set of polygons, each polygon to have a specific color

In addition to my previus post, regarding plotting the surface of a Möbius strip, I now realised, that some of the eigenmodes for a Möbius strip are either oscillations of a scalar field OR a vector ...
5
votes
1answer
167 views

How to add texture to solid Graphics3D object such as cylinder?

I'd like to add texture to a Cylinder inside Graphics3D. I can't see how to use FaceForm and ...
1
vote
1answer
61 views

Plotting a multivariable function [closed]

m[x_, y_] := 0.9*Exp[-((x - 1)^2 + (y - 1)^2)] + 0.5 Exp[-(3^2 ((x - 2.5)^2 + (y - 1.5)^2))] I'm trying to create a 3d plot for the function above. I tried ...
6
votes
1answer
172 views

Finding corresponding vertex from 3d to 2d

I have this simple 3d data points: ...
3
votes
1answer
92 views

How to color a BSplineSurface

I am trying to color a BSplineSurface in a complex way but not having any luck using ColorFunction. I can use ...
3
votes
2answers
123 views

How can I get Inset to use ImageScaled, but preserve aspect ratio?

This code produces two identical images, despite the difference in the rectangles: ...
1
vote
1answer
62 views

plotting 3d points: z-axis is squashed

I am plotting 3D points and it occurs to me that Mathematica doesn't have an easy way to specify my points to be plotted in a uniformly scaled cartesian space. For example I plotted ...