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

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7
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0answers
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Color Snapping When Using VertexColors with a Tube with BSplineCurve as an Argument

I think I've identified a bug in how VertexColors are treated when rendering a Tube object where the underlying data is a ...
7
votes
0answers
117 views

BoundaryMeshRegion::buncl error in V 10.1, that works ok in V 10.0.2

This code works ok in V 10.0.2 (from a post I was looking at here) I noticed what seems to be a regression bug. This code works in version 10.0.2 on windows 7 ...
7
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0answers
133 views

Mathematica and POV-Ray workflow: ListContourPlot3D

I have the following function describing a molecular electronic Orbital. ...
6
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7answers
803 views

How to draw a Circle in 3D on a sphere [duplicate]

The Circle function is strictly a 2D Graphics object, so that we cannot directly combine a ...
6
votes
4answers
579 views

Combining 2D slices into a 3D plot

I am currently trying to combine several 2D plots into one big 3D plot. The 2D-plots are simply input-results from calculations (so these things have 2D coördinates (x,y)). The results depend on an ...
6
votes
3answers
634 views

Drawing a cuboid with rounded corners

I want to draw a cuboid with rounded corners,like this: RoundingRadius only works with Rectangle or Framed.I have no idea how ...
6
votes
2answers
464 views

How can I define a 3d-body through different views? [closed]

In one of the maths blogs I follow I stumbled upon the following question: The bottom, side, and front views of an object are shown below: How would the object look in three dimensions? My ...
6
votes
3answers
380 views

How can I stop the blinking when rotating a Graphics3D? [closed]

I wrote a function interactiveDesign that returns different Graphics3D items in a list. Then I call the function ...
6
votes
2answers
172 views

Projecting Reference Lines in a SmoothHistogram3d Surface

What is the best way to draw a path (red color, dashed) along the surface of the smoothHistogram3D. Assume the paths desired to be the X=0 and Y=0 Axes. ...
6
votes
1answer
243 views

Eliminate an unexpected mesh line

What is the source of the vertical mesh (ring) in this figure and how does one eliminate it? ...
6
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1answer
304 views

How to add texture to a parametric plot?

I need to put some simple textures to some parametric plots. My textures are not complicated, They are like the first example in here. Is there any simple way of doing this? For example, How can I ...
6
votes
2answers
393 views

Don't understand why Mathematica is complaining about my Graph expression; how can I fix it?

The Tube in Arrow problem is fixed in version 10. Note that in version 10 Graph3D must be ...
6
votes
1answer
505 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 ...
6
votes
2answers
3k views

Need 4D plot (3D + color for function) [duplicate]

I have a function f(x,y,z) of three variables and some constants: ...
6
votes
2answers
410 views

Plotting All Possible Points Belonging to a Group Orbit

Given that $$X = \{(x,y,z) \in \mathbb{R}^3 |\, x^2 + y^2 + z^2 - 2(xy + xz + yz) = k\}\,,$$ where $k$ is a constant. Also given that a group $G$ is represented by $$\langle g_1,g_2,g_3|\, g_1^2 = ...
6
votes
1answer
2k views

Rotating 3DPlot into animated gif

I'm trying to make an animated gif of a 3D plot by rotating the plot in its middle, around a vertical axis. I used the tricks gave by F'x and Heike in this thread autorotating 3D plot but I ...
6
votes
2answers
487 views

How to show wireframes on imported Object / Mesh (.obj file)

I've managed to import a Wavefront (.obj) file and store it in a variable like so: ...
6
votes
1answer
225 views

Real-like jet engine flame

I’m trying to make rocket flame and jet engine fire of all kinds that is an 3Graphics object so that it can be used with a 3D rocket project. But I can’t get the basic translucent effect right. ...
6
votes
2answers
366 views

Breaking down a 3D model into patches

I have a 3D model, say the Stanford bunny, which is available in Mathematica examples. Import[ "http://exampledata.wolfram.com/bunny.noff.gz" ] Also ...
6
votes
2answers
576 views

Plot3D constrained to a non-rectangular region

I would like to make a nice 3D graphic of a parabolic bowl, with a cylindrical rim. If I do the following: Plot3D[x^2 + y^2, {x, -3, 3}, {y, -3, 3}] I get a ...
6
votes
1answer
250 views
6
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1answer
211 views

Finding corresponding vertex from 3d to 2d

I have this simple 3d data points: ...
6
votes
2answers
610 views

Slice through Graphics3D

is there any possibility to slice through a Graphics3D object? At the end I would like to have a stack of images slicing , e.g. $n$ times in $z$-direction: $((x,y,z_{0}), (x,y,z_{1}),…,(x,y,z_{n}))$ ...
6
votes
1answer
942 views

Construct a simple mesh or tetrahedral mesh from 3D image surface

I have a 3D Y-Shape hollow tube, not so good surface. Import["http://dl.dropbox.com/u/68983831/tube02.vtk", "Graphics3D"] I tried to use following vertex data ...
6
votes
1answer
200 views

How can I get this Graphics3D to rotate around a particular sphere?

I made this Graphics3D of the Sun with the plotted orbits of a few astronomical objects. ...
6
votes
2answers
192 views

How to make a “flat” plot (or a grid of 2 plots) of 3 variables in Mathematica (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]; ...
6
votes
1answer
468 views

Exporting a 3D plot into a 3D viewing format and axis scaling

I've been trying to export a Plot3D into an X3D (JVX, VRML) file using the Mathematica's Export function. The problem is that when the PlotRange is large compared to the other two dimensions the ...
6
votes
1answer
472 views

Building a molecule viewer: aesthetic rotations

I am working on building a molecule viewer in Mathematica and am running in to problems with controlling rotation of the molecule (which is rendered as a ...
6
votes
2answers
1k views

Calculating a minimum bounding box for a set of 3-space coordinates / spheres

I have a set of 3-space coordinates for the atoms of a molecule (I could also transform them into spheres with radii corresponding to the atoms they represent). I would like to place this molecule ...
6
votes
1answer
79 views

Graphics3D and Bit Depth of Rendering

A year or so ago, I sent this question to WRI (nb- a former employer of mine) and, as happens with bug-reports-that-arent-bug-reports, it was swallowed into the black hole that is Chambanna. So- I ...
6
votes
1answer
231 views

Does it make sense to ask for the color of a Graphics3D “voxel”?

Say I generate some Graphics3D object, e.g.: Graphics3D[{Red, Sphere[{0, 0, 0}, 1], Blue, Sphere[{1, 0, 0}, 1]}] Does it make sense to ask for the color of a ...
6
votes
1answer
310 views

ListContourPlot3D doesn't use all points

Edited thanks to @Kuba: In the following example, ListContourPlot3D accepts an array of points spaced at intervals 0.1 apart throughout the volume, but seems to choose an arbitrary number of points ...
6
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0answers
309 views

Performance tuning - Explicitly set Mathematica use Nvidia GPU for rendering

I feel hesitated to ask this question, but I cannot figure out a way to increase the performance. The problem is about running this featured example on a computer with both Intel HD GPU and Nvidia ...
5
votes
3answers
765 views

Increase 3D Graph thickness for 3D printing in Mathematica?

My code: Plot3D[{(2*x*y)/(x^2 + y^2)}, {x, -2, 2}, {y, -2, 2}] Output: And now I can export this to STL by using the export STL command, however, when I try ...
5
votes
2answers
697 views

What is the default ColorFunction for 3D plots?

This should be a really simple question, but it isn't in the documentation for some perverse reason. I like the default ColorFunction that Mathematica uses for ...
5
votes
3answers
293 views

How can i construct a 3D surface pass through a curve defined by formula and some other controllable points?

For example, If a have a curve defined by x^2+y^2=1 and z=0, and some isolated points having z coordinates, Can I construct a 3D surface passed through? It's better if I can change the surface shape ...
5
votes
3answers
445 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: ...
5
votes
2answers
1k views

Plot 2D Vector function in 3D

I want to plot a 2D vector function such as $F(x,y) = (a(x,y),\,b(x,y))$ in a 3D graph so that the vectors are embedded in the xy plane. I tried to do the following: First I defined a piecewise ...
5
votes
4answers
1k views

How can I fill a curve in ParametricPlot3D?

I'd like to fill a curve in a ParametricPlot3D in the same way as I might with ListPointPlot3D; i.e., ...
5
votes
1answer
283 views

How should a beginner figure out the context to use an expert answer provided on this forum?

J.M.'s answer to Extruding along a path related to custom cross-sections appears to answer a question I have been puzzling over for some time. I am interested in producing a tube with the stadium or ...
5
votes
2answers
409 views

Generating stripes on a polygon

I want to create a Graphics3D polygon that has stripes on it. My code is ...
5
votes
2answers
605 views

Finding concave hull for separated small clusters

Data : data3D = Import[file, "VertexData"]; Graphics3D[Point[data3D]] How to find concave polygon for separated small clusters.
5
votes
1answer
271 views
5
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2answers
263 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? ...
5
votes
1answer
252 views

Synchronizing manual rotations for multiple Graphics3D outputs?

Say I make a set of three Graphics3D images, here of three different cones, by evaluating: ...
5
votes
1answer
244 views

Embedding StreamPlot in Graphics3D

I am trying to visualise the action of the infinitesimal generator of a Lie group on the solution of a 2-ODE system drawn in the 3D space (t,y1,y2): t is time and y1,y2 are the two dependent ...
5
votes
1answer
832 views

Plotting a 2D shape along a 3D parametric function curve

Say I have a 3D curve that is parametrically defined. How would I be able to plot shapes like figure 8s whose centers are aligned along the 3D curve? Say the curve was: ...
5
votes
2answers
533 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 ...
5
votes
1answer
612 views

Drawing a torus not bounding a solid torus

I am trying to make a "pretty" picture of a torus in $\mathbb{R}^3$ which does not bound a solid torus. The standard way of constructing such a thing is to first take a non-trivial torus knot: ...