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

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2
votes
1answer
218 views

Plotting 3D Vector Field in one plane

I want to plot a vector field F={Fx, Fy, Fz}. However, I only want to plot it in one plane (say, z=0). When I use ...
0
votes
0answers
50 views

Another problem concerning slicing through Graphics3D

In my project, I have to generate 3D model of randomly distributed filled spheres inside a cube. As a result, I have to show the distribution of the spheres in the cube layer by layer. Using code from ...
2
votes
1answer
236 views

About Slicing through Graphics3D

Recently I have seen a code in mathematica about Slicing through Graphics3D in Slice through Graphics3D. My questions is: Is it possible to fill out these spheres? I have problem with generating ...
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 ...
18
votes
3answers
734 views

How to make a 3D topographic globe?

I've made some attempt with this dataset of elevation. But I have some trouble with ListSurfacePlot3D, which can not show the globe correctly: And I've checked that the data is out of problem, ...
6
votes
3answers
232 views

Need help with plotting triple data points while xy data are not regular?

recently I plotted some figure in matlab whose quality is not so satisfactory, so I come to mathematica as my supervisor suggested. This is how it looks like in matlab:. In matlab I have three m by n ...
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 ...
1
vote
0answers
31 views

Edge labels in GraphPlot3D from Adjacency Matrix

I am rendering a family of graphs via GraphPlot3D[AdjacencyMatrix] and I would also like to label the edges. I already use a vertex rendering function to color the ...
4
votes
2answers
156 views

How to minimize the distance between two curves in 3D

I'm trying to find the shortest distance between r(t) and rm(t), at a certain time t. I could not get it using EuclideanDistance, any guess on how to do that? Here is what I have: ...
1
vote
2answers
155 views

How to produce a chasing-view in Mathematica?

I would like to chase the flying plane with a video camera, how to do that in Mathematica? ...
2
votes
1answer
125 views

Custom SmoothHistogram3D

I decided to make my own SmoothHistogram3D function because I wanted to be able to specify my own bin sizes and not rely on their distribution functions so taking a cue from this answer and bringing ...
1
vote
1answer
92 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 ...
3
votes
1answer
153 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 ...
2
votes
1answer
117 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
vote
0answers
75 views

Generating 2D models from a 3D model

I have a model of cube with randomly distributed spheres included there. ...
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 ...
1
vote
1answer
59 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 ...
8
votes
2answers
219 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
votes
1answer
101 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
votes
3answers
251 views

Excluding a Region in ParametricPlot3D

Suppose I have a torus and a closed path on said torus: ...
17
votes
1answer
708 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
votes
0answers
39 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
votes
1answer
91 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
votes
2answers
223 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
187 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 ...
1
vote
1answer
82 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
124 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: ...
11
votes
2answers
325 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
171 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
90 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
228 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
65 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
243 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
vote
1answer
83 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
1k 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
126 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
115 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
votes
3answers
148 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 ...
9
votes
1answer
97 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
121 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
vote
0answers
56 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
98 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
261 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
votes
0answers
77 views

How to make equidistant or split ListPoint [duplicate]

How to split the curve with more equidistant points? ...
4
votes
2answers
311 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
66 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
368 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
110 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 ...
4
votes
1answer
280 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
109 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 ...