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

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6
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2answers
2k 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
159 views

How to draw curvy arrow at the edge of a cylinder

I would like to draw a figure similar to the attached here. What I ended up with is the following figure. I use the code: ...
6
votes
1answer
135 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
2answers
209 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 ...
6
votes
1answer
572 views

Graphics3D model of the human body and organs?

Does someone have a 3D model for a man (or woman) that can be displayed in Mathematica using Graphics3D? I have tried importing free .3DS models but they look ...
6
votes
1answer
255 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
0answers
135 views

Possible Bug with Options in DelaunayMesh

Bug introduced in 10.2 and persisting through 10.4 Update: It turns out after some testing, none of the Options work in ...
6
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0answers
517 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
719 views

How can I draw a hyperboloid given its generatrix?

I want to see how a hyperboloid of revolution is generated by its generatrix, i.e. by rotating one (say the one passing point $(1,0,0)$ and $(0,1,1)$) of the skew lines around another (say the z axis)....
5
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2answers
1k views

Using ChemicalData to make molecule graphics

$\require{mhchem}$I would like to take the acetone $\cf{((CH3)2CO)}$ and chloroform $\cf{(HCCl_3)}$ molecules that Mathematica's chemical data provides, and plot them together. I want to show how ...
5
votes
2answers
1k 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
619 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
4answers
254 views

Make spheres same size in Row

I have different 3D graphics containing spheres, for example pic1=Sphere[{0,0,0},1]; pic2={Sphere[{-1, 0, 0}, 1], Sphere[{1, 0, 0}, 1]}; I would like to show ...
5
votes
1answer
208 views

How to show the projections of 3D orbit on the three primary planes

Perhaps this question has been asked before but even though I searched the site I did not find what I want. The code is rather simple: ...
5
votes
2answers
714 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; ...
5
votes
2answers
1k views

Generating an Airy disk on a plane

I wish to generate a surface intensity plot of an Airy disk (or perhaps a two-dimensional Gaussian approximation to an Airy disk) on an (x, y)-plane at a specified coordinate. The hope is to have ...
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
2answers
135 views

How can I create a graphic of a wedge of a cylinder (like a slice of pie)?

http://demonstrations.wolfram.com/HoleInACylinder/ This demonstration uses Graphics3D and is able to generate what I want, but I cant figure out how to separate ...
5
votes
2answers
743 views

Tube vs. Cylinder

What is the practical difference between plotting Tubes and Cylinders? The documentation for each describe a 3D tube/cylinder around the line between 2 points....they seem identical. However, there ...
5
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1answer
289 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
501 views

Generating stripes on a polygon

I want to create a Graphics3D polygon that has stripes on it. My code is ...
5
votes
3answers
3k views

Smooth 4D (3D + color) plot from discrete points

I have a file containing isosurface $\{x,y,z,F\}$ data (around 9000 points). My goal is to generate a smooth (NOT a discrete set of points!) colored surface using ...
5
votes
1answer
115 views

How may I remedy this erroneous lighting pattern?

What I did: ...
5
votes
2answers
301 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
342 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 variables....
5
votes
2answers
254 views

Drawing circular patches around arbitrary points on a sphere

I am trying to draw circular patches of given angular radii around arbitrary points on a sphere. I am able to use, for example, ...
5
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2answers
379 views

How do I show only the intrinsic color of 3D polygons?

System: Mathematica 9, Windows 7. I want to assign a polygon a color in such a way that it is rendered in that color irrespective of any ambient light sources. In other words I want Yellow to be ...
5
votes
2answers
418 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.
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2answers
395 views

How to rotate 3D graphics in ListAnimate … without making a mess?

Manipulate is, of course, wonderful … but there are LOTS of examples that are simply far too computationally intensive to use live real-time animations for. In such ...
5
votes
2answers
605 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
197 views

Drawing a quadrangular surface

Is there a way to draw a quadrangular surface in Mathematica so that it shows the bilinear term (not two triangles)? The quadrangular polygon is given by the expression $$\phi = \sum_i^4 N_i U_i$$ ...
5
votes
1answer
353 views

Rotation of Graphics3D like rotating Plot3D

I like the way 3D plots are rotated with the z-axis always pointing up-down. Is there an elegant way of forcing that type of rotation on Graphics3D? I have tried the following: Using an invisible ...
5
votes
3answers
410 views

Switching among view points in a Manipulate expression

Edit: Some additional viewpoints were included to make it easier to test. Here's code for an alternative function, the graph of which is a bit less symmetric. Feel free to use either code set: ...
5
votes
1answer
531 views

“Show” with Manipulate runs fine normally, but gives errors as a CDF

I've simplified my code to what can reproduce my error. Basically, I have two lines: ...
5
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1answer
80 views

Arrowheads not falling in line

This is not a serious problem, but sometimes quite annoying. Say you are drawing a line with multiple Arrowheads. ...
5
votes
2answers
145 views

Generating and Imaging of the water molecules with Graphics3D [duplicate]

my problem is I don't know how to generate e.g. 20 water molecules: Graphics3D[ Rotate[First@ChemicalData["Water", "MoleculePlot"], 45 Degree, {8, .5, 0}]] ...
5
votes
1answer
272 views

How can we get this infinite prism lattice to look more like `PolyhedronData[{“Prism”, 3}]`?

This is D$_3$h prism with order 12 (8 currently, needs 4 more edges) and rotational symmetry D$_3$ with order 6. A d=11 version is shown here. Using this code: ...
5
votes
1answer
557 views
5
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1answer
458 views

How to combine solid objects using logical expressions?

How can one define and render in 3D a single solid object using logical operations on component solid objects? For instance, I would like to define a solid object that consists of a ...
5
votes
2answers
137 views

Problem with ViewVector

I am trying to have a satellite (camera) move around the earth (unit sphere) and take picture of the earth. The satellite keeps constant distance from the earth, and always looks toward earth center. ...
5
votes
1answer
303 views

Integration of Two Manipulatable Cylinders

Introduction I created the following code to simulate the many possible interactions between a cylindrical protein crystal and a x-ray beam during serial femtosecond crystallography. ...
5
votes
1answer
746 views

How to create 3D architectural models in this shape with interactive faces?

I am a non-technical person in the imageProcessing side,so I don't have any idea how can I make polygon in the below shape... the above polygon is a 3D ...
5
votes
1answer
109 views

How to make 3 dimensional arrows look good when their lenghs are wildly different?

I was trying to adapt Jens's answer for adding arrows to a 3D graphics into a general plotting function here. But I find that when I try to combine the Graphics3D ...
5
votes
1answer
244 views

How can I add a mesh over this?

How can I add a mesh over the following 3D plot? ...
5
votes
1answer
94 views

How to feed parameters obtained from direct 3D manipulation back into Manipulate's controls?

Here's a simple example of using Manipulate to interactively change the viewer's point-of-view for a 3D graphics object: ...
5
votes
2answers
708 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 ...
5
votes
2answers
2k views

How to label axes in 3D plot adequately?

The following code produces plot with axes labels, which are jumping constantly. ...
5
votes
1answer
230 views

Smooth 3D plot with colour of scattered data

I have a set of scattered 3D points with coordinate (x,y,z) and an intensity associated with it. I would like to do a smooth surface with the intensity being represented by the colour. My points ...
5
votes
2answers
215 views

Problem using Rotation in Show

I would like to have an animation of rotating box and displayed it with other elements (not rotated) using Show. The first step to do that is to have all the elements working properly. So I did the ...