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

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2answers
149 views
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1answer
94 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? ...
3
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2answers
135 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: ...
3
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1answer
271 views

How to speed up Manipulate with Graphics3D

How do I speed up the Manipulate of the Graphics3D objects here? It is currently painfully slow, and I'm at a loss. I have reviewed many other posts and implemented what I could based on them, but it ...
3
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2answers
421 views

Ploting a 3D vector field using Manipulate, VectorPlot3D and NDSolve

My aim is to plot a vector field of the following system with a few trajectories: $$r'(t)=i-l.r(t)-\text{ux}. r(t). x(t)-\text{uy}. r(t). y(t) \\ x'(t)=\text{ex}. \text{ux}. r(t). x(t)-\text{mx}. ...
3
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1answer
427 views

Radial Random Walk

I'm trying to generate a spherical distribution of radial random walk points in 3D space. The following code works, but the random walk lines aren't radial. Why ? Where is my mistake ? ...
3
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1answer
218 views

Debugging graphics

All the examples I am seeing on internet are related to normal functions that carry out loops and assignments but I have not seen one example where I can see a graphics based program being debugged. ...
3
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1answer
304 views

Rough edges plotting a surface

I'm trying to use SphericalPlot3D to create some images of a surface but I get some rough edges on the surface around the boundary. However, after rotating the ...
3
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1answer
101 views

How do I plot a line delineating a subset of values on a 3D surface plot?

I have the following surface plot: ...
3
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2answers
223 views

Draw only part of axis in graph

I'm looking to draw only one half of an axis in ContourPlot3D, mainly because I don't wan't the axis lines to be where the interesting stuff happens (intersection ...
3
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1answer
136 views

Adding and summing overlapping Airy (or Gaussian) disks on a plane

In a previous question of mine, I asked how one might draw an Airy disk on a plane: Generating an Airy disk on a plane, and recieved some impressive answers from the users Timothy Wofford and ...
3
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1answer
194 views

Depth from Graphics3D

Consider this simple 3D rendering with some geometric primitives: ...
3
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1answer
226 views

Add contour lines to Graphics3D

I am writing the following code: ...
3
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1answer
140 views

How can I improve my Zooming code?

I recently started to work with the EventHandler function to make it possible to Zoom, Pan, etc, with only the use of a mouse. I have found a way to zoom that is ...
3
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1answer
64 views

Image3D with values outside of the range [0,1]

I am writing some functions in Mathematica for representing MRI anatomical image volumes. The natural way to represent such a volume seems to be as an Image3D form. However, I've noticed an ...
3
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1answer
178 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 ...
3
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0answers
141 views

Using NVIDIA 3D Shutter Glasses with Mathematica

Mathematica has great capabilities to display 3D Graphics rendered to the 2D screen. This should make it perfectly suited to use the Graphics3D system together with an NVIDIA Graphics card, a 3D ...
3
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0answers
253 views

Weird behaviour from ListSurfacePlot3D

Looking at Documentation for ListSurfacePlot3D, I follow the basic example presented there. ...
3
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0answers
260 views

Use of RegionFunction with Graphics3D?

I'd like to plot in 3D a long list of polygons created with TetGenConvexHull, but only in regions specified by a function. Is that possible? As I have it my ...
3
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0answers
112 views

How can I truncate only a single vertex of a polygon?

One can truncate all the vertices of a polygon at once with Truncate. I want to do exactly that -- but only on a single vertex. Is this possible with Mathematica 9? ...
2
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2answers
737 views

Using ChemicalData to make molecule graphics

I would like to take the acetone $((CH_3)_2CO)$ and chloroform $(HCl_3)$ molecules that Mathematica's chemical data provides, and plot them together. I want to show how chloroform can hydrogen bond ...
2
votes
3answers
506 views

How do you show a cone inside of a sphere?

I have a sphere of radius 5 and a cone (i.e. z=√(x^2+y^2)) inside of it. I can show them separately, but I'd like to show them together. I've tried a few tricks with opacity, implicit specifications, ...
2
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2answers
330 views

Plotting a Spericon and Bipyramid with 100 faces

I would like to plot convex polyhedron with 100 faces, which could be used as a die. My first attempt was asking for Conway's Hecatohedron. Unfortunatly, it can not be used as a die. Now there are ...
2
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2answers
312 views

How to draw Graphics3D items with straight border lines?

I want to make a Polygon with straight border lines. For that purpose I wrote the following code, but it doesn't show straight borders. ...
2
votes
2answers
595 views

How to draw a coordinate system diagram?

I want to make drawings like these in Mathematica: I don't know if Mathematica is a gppd solution for drawing such images. If it is, please tell me how to do it; if not, please suggest another ...
2
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2answers
348 views

How can I overlap image on Graphics3D at a specific position?

I make a Polygon with size of {width=0,length=50,height=30}; I want to overlap Image on ...
2
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2answers
135 views

Arrow pointing upwards in a Graphics3D

I am trying to write a code for an arrow that points upwards from the center of the circle in a Graphics3D. ...
2
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1answer
619 views

ListPointPlot3D with connected points?

With the command ListPlot[data,Joined -> True] I can visually connect adjacent data points in the array with lines. However, this option appears to be missing ...
2
votes
2answers
198 views

Modifying imported 3D file

Since I am visualizing my work using Mathematica, I import some 3D models of molecules to my notebook. So, the question is, is there any way to modify somehow that imported models inside Mathematica ...
2
votes
1answer
202 views

Find points on the surface of a Graphics3D object

If I have a Graphics3D object that was generated from manipulations to PolyhedronData rather than via an explicit equation, for example the Spikey (for which the entire code can be found here The ...
2
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2answers
208 views

MapThread to Spheres with various colours

I have these two lists ...
2
votes
1answer
308 views

How can I draw a curve through as set of xyz points?

I have a list of data and want to make a curve like the one below which I made in solidworks. The problem of this curve is, that I don't know how to put it in a box with coordinates. The best I ...
2
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3answers
252 views

Changing the Actions in EventHandler

I would like to be able to change which action specified events take depending on some condition. For example, I have established a SetterBar ...
2
votes
1answer
280 views

3D arrow tail properties

I would like to use VectorPlot3D to plot a vector field with 3D arrows: ...
2
votes
1answer
165 views

How to draw tiles with different height?

I have a random matrix RandomReal[{1, 2}, {20, 20}], whose elements represent the heights of an array of tiles. The cross sections of each tile are square and ...
2
votes
1answer
316 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 ...
2
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1answer
195 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
138 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
104 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
321 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
140 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
votes
1answer
266 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
193 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
188 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
549 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
votes
2answers
110 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
votes
1answer
113 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
72 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
votes
1answer
254 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 ...