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

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0answers
90 views

Possible Bug with Options in DelaunayMesh

Update: It turns out after some testing, none of the Options work in DelaunayMesh when 3D point sets are involved. Original ...
6
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0answers
354 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
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3answers
891 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
931 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
806 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
487 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
3answers
954 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
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 ...
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2answers
425 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
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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
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2answers
432 views

Generating stripes on a polygon

I want to create a Graphics3D polygon that has stripes on it. My code is ...
5
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1answer
292 views
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1answer
106 views
5
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2answers
273 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
277 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
2answers
323 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
553 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
643 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: ...
5
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3answers
130 views

Choosing which edges of the box to show in 3D graphics

Is there a way to explicitly choose which edges of the bounding box to show when plotting something with Boxed->True? For instance, a plot like ...
5
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2answers
320 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.
5
votes
3answers
319 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
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1answer
382 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
votes
2answers
112 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
256 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
173 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
252 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
1answer
1k views

Quality control when exporting graphics into JPG

If I export a graphics from Mathematica to JPG format the image quality in JPG is visibly lower than that in Mathematica. Is it possible to control and eventually increase the quality of the exported ...
5
votes
1answer
497 views
5
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1answer
256 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
614 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
132 views

DiscretizeGraphics and BoundaryDiscretizeGraphics Fail on CapsuleShape and SphericalShell

It seems the new Graphics3D primitives have some incomplete features. Earlier, I uncovered a problem with computing their exact surface area see here. Now, I ...
5
votes
1answer
207 views

Why does Arrow not work well with Scaled coordinates in 3D?

I am a little puzzled by the fact that if I try to use Arrow with Scaled coordinates in 3 dimensions the arrowheads are all over ...
5
votes
2answers
483 views

10bits per rgb / 1024 shades of gray?

Can we display 10 bits per rgb in Mathematica? I'm using a quadro card and 30 bit monitor and can get a smooth gradient using Psychtoolbox in matlab. The following Mathematica should produce a bar ...
5
votes
1answer
336 views

How to remove a black border around Graphics3D[Texture[…]]

So I can create a 2D image that looks like ...
5
votes
2answers
1k views

How to label axes in 3D plot adequately?

The following code produces plot with axes labels, which are jumping constantly. ...
5
votes
1answer
469 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 ...
5
votes
1answer
1k views

axis label and ticks alignment of ListPlot3D and Histogram3D

I have a question on axis label alignment of ListPlot3D and Histogram3D. These labels are not aligned with the axis of the view, but only horizontally. I have tried very hard to align them manually, ...
5
votes
2answers
686 views

ListPointPlot3d to visualize points close to a manifold

I have a large set of points that are close to manifold which I want to show in a ListPointPlot3D. Using part of the data set illustrates this there are fewer ...
5
votes
1answer
93 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: ...
5
votes
1answer
110 views

Export from ParametricPlot3D to 3D Formats yields distorted surface meshes

as described im my blog post: http://wolfig-techblog.blogspot.de/2015/04/blender-as-shader-for-mathematica.html I tried to export a Klein bottle ParametricPlot3D to one commonly used 3D mesh formats ...
5
votes
0answers
152 views

How can I make sure that 3D plots have the exact same orientation and viewpoint?

First off, I apologize that I can't come up with a simpler working example, but I only seem to have this problem with the larger examples. I am trying to make animations, using functions like the ...
5
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0answers
128 views

Creating a PolyhedronData[] structure for custom polyhedra [duplicate]

The PolyhedronData[] structure is wonderfully rich. I would like to create data for my own polyhedra, not any of the many that Mathematica provides. Is this ...
4
votes
3answers
511 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 ...
4
votes
1answer
141 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: ...
4
votes
2answers
716 views

Transparent Cylinder with Dashed Edges only

I would like to have that kind of cylinder with Dashed edges (including the bellow inner ring): I've been trying that: ...
4
votes
1answer
707 views

How can I model composite 3D structures?

I know that Mathematica isn't built to model 3D, but most of my models are equation-defined so here's my question: is it somehow possible to combine ad-hoc 3D objects as well as ...
4
votes
2answers
495 views

Efficient drawing of convex polyhedron given a set of points [duplicate]

I have a set of points in the 3D space and I want to draw the bounding convex polyhedron of those points. A very naïve solution would be to draw a triangle between every three points: ...
4
votes
2answers
174 views

Overlapping Spheres with a Shared Blank Region

We have two similar overlapped spheres in a way that the distance between their centers is smaller than the sum of their radius (2R>a). As I show here: Also, we want to draw them in a such way that ...
4
votes
3answers
2k 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 ...