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

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2
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1answer
216 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 ...
2
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2answers
163 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? ...
2
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1answer
116 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? ...
2
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2answers
324 views

Drawing tubes with a While loop

I'm trying to make a plot with many objects in it using a While loop. Something like the following: ...
2
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1answer
148 views

Extract the generating curves from a Graphics3d returned from RevolutionPlot3D

I have a plot g = RevolutionPlot3D[{Sin[t], t}, {t, 0, π}, {θ, -π, π + 3 π/4}]; Is it possible to extract the generatrices (generating curves) from ...
2
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1answer
283 views

Finding intersection of 3D lines

I want to find the intersection of 3D line. I want to detect the 3D light source position by intersecting 3D lines. ...
2
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2answers
198 views

Reducing quality of Graphics3D scene to improve performance?

ProteinData["SERPINA1", "MoleculePlot"] gives the detailed Graphics3D plot below. I'd like to make many small copies of this ...
2
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1answer
199 views

ParametricPlot3D[] Question

I know this is very similar to a previous question I asked, but there are some differences. When I graph: ...
2
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1answer
589 views

Distance between 3D curves

I would like to determine the distance bewteen two representations of the Lorenz Attractor. I have two 3D representations for different initial conditions and I want to calculate the distance between ...
2
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1answer
55 views

Change the colors of individual atoms in a .mol or XYZ file

Similar to (Changing the atom color for plotting xyz-files), I want to take a molecule and then simply change the colors of individual atoms. I don't want to change all atoms of a type to a color ...
2
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2answers
150 views

Using RegionPlot3D to make a cone under restrictions

I have to plot a cone that satisfies this statement: Use the RegionPlot3D command to draw a picture of a cone with its point at the origin. The other end of the cone is a circle with radius 5 ...
2
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1answer
125 views

Getting errors when I try to evaluate code taken from Trott's Mathematica Guidebook for Graphics

I would like to learn how to make high quality images in Mathematica. In my pursuit, I have come across Michael Trott's Mathematica Guidebook for Graphics. I have been trying some of the examples, ...
2
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1answer
79 views

Can I line the mesh lines on a `RegionPlot3D` up with integer values of the axes?

(Sorry if this is a duplicate, I searched briefly and didn't find anything.) I have region plots in 3D like: ...
2
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1answer
161 views

Cropping a non-cubic lattice unit cell

I would like to crop the hexagonal close-packed system as a hexagon and not as a cube. I would like to use the following volumetricPlot already given on this ...
2
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1answer
225 views

Perspective transformation of a 2d streamplot

I have a two-dimensional streamline plot from a fluid dynamics simulation. I am wondering: is it possible to somehow allow Mathematica to treat the streamline plot as a plane in three-dimensional ...
2
votes
2answers
160 views

Are there built-in functions for testing if a point lies within Graphics3D primitives?

I noticed in this question, Behavior of Graphics`Mesh`InPolygonQ with self-intersecting polygons, that Mathematica has some "psuedo-hidden" functionality for allowing one to quickly perform a winding ...
2
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2answers
590 views

Plotting rainbow circle [duplicate]

I am trying to plot a parametric circle in rainbow colors. It should go round once, but I'd like to be able to make it go round the rainbow an arbitrary amount of times. I currently have: ...
2
votes
2answers
377 views

Solving and plotting ODEs while varying one of the initial conditions

How can I vary an initial condition in the numerical solution of a system of ODEs and then make a 3D plot of the solution space with that condition as one of the variables. ...
2
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1answer
32 views

Dynamic ViewPoint on notebook startup

(This is a follow-up question to the accepted answer found here.) I want to synchronize two 3D plots in a notebook by setting their ViewVertical and ...
2
votes
1answer
128 views

How to generate apart or non-intersecting spheres in cube? [duplicate]

I am trying to generate model of randomly distributed uniform spheres in the cube. For randomly distributed spheres I am using RandomReal option. But when I run the ...
2
votes
1answer
134 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 ...
2
votes
1answer
135 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 ...
2
votes
1answer
116 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 ...
2
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3answers
345 views

How to export 3D graphics to Collada (.dae) format?

I'm looking for a way to export 3D graphics objects to the Collada (.dae) format. I need an automated way, i.e. using Blender to manually convert from another ...
2
votes
1answer
107 views

Randomly generated polymer with certain spatial density

For simplicity's sake, let the polymer's composing particle be integer 3-tuples (on 3D Cartesian grid), such that: Polymer-ness -- for all particle there is an directly adjacent neighbor. i.e in ...
2
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1answer
167 views

What are these strange shapes in my Plot3D[]? [closed]

Plotting a function, I noticed some strange spots away from the main feature, the dark purple here: You can see that they don't actually have any curvature themselves: Strangely, you don't see ...
2
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1answer
119 views

Problems with BSplineFunction vs. BSplineSurface

Why are those surfaces different? ...
2
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1answer
196 views

How to create a parallelepiped tiling?

I know how to create parallelepiped and combine them to form a parallelepiped tiling, but the tiles overlap... I started with this code: ...
2
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1answer
375 views

ContourPlot3D for a 3D vector contour plot

The procedure ContourPlot3D allows plotting the contour lines of the components of a 3D-vector. The problem is I don't know how to give the contour planes of each ...
2
votes
1answer
178 views

How to combine multiple Graphics3D scenes into a single Graphics3D scene?

ProteinData["A2M", "MoleculePlot"] gives you a Graphics3D object below. I'd like to display multiple of these proteins in a ...
2
votes
1answer
186 views

Viewing the inside of cuboid intersections

    I have a number of cuboids intersecting as illustrated. I would like to see their intersection, almost the view from inside. Setting the ...
2
votes
2answers
561 views

Isometric 3d Plot

I was wondering if its possible to make the following type of plot in Mathematica: I would like to take a 3D object, such as an ellipsoid, and cut out a wedge. I know this can be done using ...
2
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1answer
141 views

How do I remove this awkward plane? [duplicate]

Using Plot3D, I tried to plot $x^3 + y^3+3xy=z$ ...
2
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1answer
102 views

How to make hollow Graphics3D?

I keep seeing a notebook to use of Mathematica as a 3D Printing tool (e.g.: this link). In the notebook on slide 8/11, we find these pictures: I'd like to design it as such that, but I don't ...
2
votes
1answer
79 views

View inside the room

I used Cuboid to build 4 walls and make them composed like a room, the codes and result as followings. My question is that is it possible to move the viewpoint to inside the room? The thing I want to ...
2
votes
1answer
134 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 ...
2
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2answers
155 views

Getting messages Rest::norest and Divide::indet from ContourPlot3D

Note: The bug described in this post is found in Mathematica version 9 and seems to have been fixed in version 10. Ok I don't know if it's a bug or what, but here's what I found: If I use this ...
2
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1answer
157 views

How to color the surface of the Box of 3D graphics

Is there any possibility to color the surface of the Box of a Graphic3D[]? ...
2
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1answer
408 views

How do I add a color bar to a 3D plot?

I tried Plot3D[Exp[-x^2 - y^2], {x, -2, 2}, {y, -2, 2}, ColorFunction -> (ColorData["TemperatureMap"][#3] &), PlotLegends -> Automatic] in an attempt ...
2
votes
2answers
85 views

3D graphics with colourbar

I have lists with 4 data e.g. {{0,0,0,-2000},{0,0,.5,-1800},{0,0,1,-1500},{0,.5,0,-2005},{0,.5,.5,-1795}, {0,.5,.1,-1508} ... {x,y,z,B}} How can I plot B ...
2
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1answer
111 views

Mean curvature of Sphere

I am trying to calculate mean curvature of a parametric surface(like sphere), and I wrote this code based on this discussion. Here is my code: ...
2
votes
1answer
153 views

Convert Tube[BSplineCurve[…]] Graphics3D object to polygons [duplicate]

I wish to voxelize a complex shape composed of Tube[BSplineCurve[...]] objects, while maintaining the additional information of the (unvoxelated) surface normal ...
2
votes
2answers
174 views

BarChart3D does not print zeros and odd tick positions

Note: This is a version 9.0.0 problem that is fixed in 9.0.1. I want to generate a simple 3D view of some frequencies for two variables. I have the counts in a 4x3 matrix, say. This is my bar chart ...
2
votes
1answer
138 views

Can I apply a ColorFunction to FaceGrids, or otherwise have FaceGrids with varying color?

I want to make a 3d plot with FaceGrids with a certain color scheme. Specifically, I'd like them to be one color below a diagonal line, and a different color above ...
2
votes
1answer
586 views

Plot a 3D vector field from a file [duplicate]

I have a data file with six columns {x,y,z} and {ux,uy,uz} respectively, and I would like to plot the 3D vector field. http://www.mediafire.com/download/udoa61hu0m6itrc/campo.txt I'm trying to do ...
2
votes
1answer
114 views

How to rescale a Graphics3D object?

I've created a Graphics3D object by extruding a binary 2D image (as shown here). ...
2
votes
1answer
376 views

How do you adjust tick direction on a 3d plot?

I have a 3d plot with oddly angled tick marks. Whether it's due to the viewing angle being unexpected or some other reason, the tick marks on the bottom axes are angled up along the sides rather than ...
2
votes
1answer
171 views

Poor Graphics3D rendering

I am rendering a world environment simulation in Mathematica with Graphics3D code: ...
2
votes
0answers
64 views

Embed 3D objects from Mathematica, in a pdf

Acrobat Reader 9+ supports interactive manipulation of 3D objects. See this file for example - another widely used example are PRC objects which may be produced by Asymptote. Exporting animations ...