For questions specific to the Graphics3D command and related 3D graphics functionality.
38
votes
1answer
1k views
Implementing a first person view of 3D objects in a scene
I've created the following scene with a Chinese-style building surrounded by trees, and a horse and a rabbit grazing on the grass in Mathematica (don't ask me why there's a bust of Beethoven in ...
33
votes
2answers
2k views
How to show solid bodies using volumetric rendering?
Note: This question was asked when Mathematica 8 was latest release. Version 9 has built-in support for volume rendering through Image3D.
There's an example on ...
19
votes
3answers
581 views
18
votes
4answers
940 views
Can 2D and 3D plots be combined so that the 2D plot is the bottom surface of the 3D plot boundary?
I have a ListlinePlot function, that I would like to combine with both a Graphics3D plot and a ...
33
votes
4answers
2k views
How to make a 3D globe?
There are many ways to create a 3D Earth that is rotatable (see here, here, related here), but most of them have some drawbacks. These issues mainly stem from either ...
6
votes
2answers
256 views
Convex hull of a 3D object?
I am trying to find a convex hull command for a Graphics3D object. Does it exist in Mathematica?
...
13
votes
2answers
614 views
Texture mapping and resizing a sphere primitive in Mathematica
Background Info
In Mathematica, it's only possible to texture map a sphere through the use of SphericalPlot3D or ...
20
votes
3answers
761 views
How to extrude a 3D image from a binary 2D image
I'm trying to extrude a nice 3D form from the 2D binary image below using the code posted, but I haven't had any luck in figuring out the error that's keeping ...
19
votes
1answer
949 views
Autorotating 3D plots
These days, I have to produce quite a few 3D surface plots (mostly functions of the type $\rho(\theta,\phi)$ plotted with SphericalPlot3D). To exchange these ...
9
votes
3answers
2k views
How to convert a 2D image into a 3D graphics?
I have an image I would like to make into a .dxf and to do this I need a Graphics3D object. Is there anyway I can do this?
Can ...
14
votes
4answers
522 views
Mathematica for teaching orthographic projection
Edit: All the four answers to this question are great, and if you're interested, you should take a look at all the answers. Nevertheless, belisarius' code was accepted since it was closest to what I ...
16
votes
3answers
860 views
How to make hollow polyhedra?
I found a version of the Mathematica spikey in 3D printable format (STL) at the Shapeways site that was hollow. Here it is when viewed in MeshLab:
You can see there's a bit cut out of the end, and ...
6
votes
2answers
278 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 = ...
11
votes
4answers
1k views
How to draw an ellipse arc in 3D?
There is no Circle or Disk object in 3D. I quickly found a way to use Cylinder (thin lines, no faces, very flat):
...
8
votes
1answer
756 views
Construct 3D image from multiple 2D images
My goal: How to (1) construct 3D image for visualization.
(2) how to write 3D array or image into binary raw file.
Is there a way to accomplish this in Mathematica?
Alternative_Answer for: ...
6
votes
3answers
921 views
Animate ParametricPlot3D for two different parametric equations
I want to write a computer program to generate 3-D plots (with x-y-t axes) to demonstrate the evolution of the two missiles in the following case:
i. $x = 100t$, $y = 80t-16t^2$ for $0\leq t\leq 5$ ...
4
votes
1answer
290 views
1
vote
3answers
428 views
How to plot a 3D list of points [closed]
I have 3 variables {Eff[i][j], i/15, j/100}. I need to plot them as a 3D figure, the height of the figure is Eff[i][j], which is ...
81
votes
1answer
12k views
Mathematica Minecraft
Some time ago I asked myself: with all these great graphics and interactive capabilities of Mathematica, what kinds of 3D games can be implemented in it? And the answer which came to mind is ...
22
votes
1answer
367 views
On drilling holes with minimal redundancy (and with colors!)
The old Mathematica package Graphics`Shapes` featured the function PerforatePolygons[], which drilled a hole in any ...
32
votes
0answers
736 views
How to construct a treemap using non-rectangles?
I've written the standard version of a tree map (a graphic that shows nested data) and I'm looking to improve on this layout by switching to different types of polygons or perhaps circles. Can anyone ...
15
votes
2answers
910 views
How to calculate volume of convex hull and volume of a 3D object
I have a random 3D data points.
How to calculate volume of the convex hull and volume of the object.
31
votes
2answers
818 views
My donut has holes in it!
More than one hole, I mean…
I’m trying to export from Mathematica into the X3D format, with the longer term goal of generating 3D figures for PDF inclusion. But I'm stuck at the first step:
...
8
votes
2answers
463 views
What are the possible ways of visualizing a 4D function in Mathematica?
I have a function $F$ that maps the xyz space to a set of reals, more clearly:
$c = F[x,y,z]$
Where $c$,$x$,$y$ and $z$ are reals.
What are the possible ways of visualizing this 3d function in ...
24
votes
2answers
598 views
How to create blurred Graphics3D objects?
Initially I was interested in renderring a 3D analog of a blurred disk like this
...
11
votes
2answers
375 views
Calculating morphometric properties
Is it possible to calculate segment length, segment diameter and branch angles for three dimensional geometry. Geometry contains vertex points and polygon surfaces as
...
13
votes
4answers
823 views
How to draw a great circle on a sphere?
I apologize for the text description, but new users are not allowed to post images.
I want to draw a circle that cuts through the center of a sphere and has an inclination of 15 degrees with the ...
10
votes
2answers
202 views
How to get the real PlotRange of Graphics with GeometricTransformations in it?
For demonstrating the problem, have a look at the following example, and try adjusting the rotation angle a and/or the Locator ...
5
votes
1answer
177 views
Histogram3D frame ticks with bin text labels rendered in x-y plane?
Is it possible in Histogram3D to substitute frame ticks text labels and have the layout in x-y plane?
Starting with a ...
11
votes
2answers
598 views
Finding a Concave Hull
I have a 3d clustered data:
Is there any other way to get concavehull of 3D data points?
8
votes
3answers
386 views
Filling between two 3D surfaces
I know it is possible to create a filling in between two curves on a 2D plot, but is it possible to do the same in 3D?
My attempt like this:
...
5
votes
1answer
255 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 ...
4
votes
2answers
184 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:
...
9
votes
4answers
368 views
ParametricPlot3D output without the meshlines
Caveat: Mathematica version 3.0. if (or when) it matters.
I define a 3D-object with ParametricPlot3D, say, the following:
...
8
votes
3answers
239 views
Dashed mesh behind 3D object
I am trying to create a simple, almost transparent 3D sphere with a mesh that is made of solid lines if they are on the front surface (i.e. if they are directly visible) and of dashed lines if those ...
7
votes
0answers
217 views
How to improve these WASD + mouse look 3D controls?
Insipred by this question and the corresponding answer I've written a code for full-screen exploration of 3D scenes using standard WASD and mouse look controls. Here it is.
...
7
votes
2answers
359 views
Coloring each face of a Cuboid with a different color
Is there a way to color each face of a Cuboid with a different color?
I looked in the help but couldn't find anything. I found this Coloring the faces of a 3D ...
7
votes
1answer
448 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 ...
5
votes
3answers
315 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 ...
2
votes
1answer
97 views
Including two ListLinePlots in a 3D graphic
I have two lists of data which I am plotting on two ListLinePlots. I would like to have these two plots appear perpendicular to each other on a 3D graphic. I have ...
7
votes
3answers
314 views
4
votes
1answer
153 views
How can I colorize an imported model?
How can I colorize an imported model from for example 3ds max?
I'm trying to find the way to colorize a 3D plot from an imported model with something like this:
...
3
votes
3answers
188 views
How can I fill a wire-frame structure with gas in a Graphics3D drawing?
I am very poor at visualization. I want to make a transparent "building" filled with gas. I wrote the following code for the building and it's fine.
...
3
votes
1answer
114 views
2
votes
3answers
287 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
votes
2answers
160 views
0
votes
0answers
79 views
Determining if a point is inside or outside a 3DS (.3ds) or 3DS MAX (.max) object?
Imagine I import some 3DS (i.e. 3D studio) file (http://reference.wolfram.com/mathematica/ref/format/3DS.html) or a 3DS MAX file. How could I place this model (say, the 747.3ds file in the ...
0
votes
2answers
221 views
How can I make a transparent 3D Rectangle?
Sorry, I didn't mentioned clearly in my earlier post.
I want to build a transparent Rectangle, within which I want to diffuse a certain color of my choice which is ...
0
votes
1answer
163 views
Import Excel sheet into 3D array?
I have an excel spreadsheet that I would like to plot in a 3D graph using mathematica. The X and Y values are the location of the cell, and the Z value is the number of the scale.
How can I import ...
0
votes
1answer
124 views
How to rotate Graphics3D into CDF? [closed]
I make Graphics3D with Polygons, before deploying then to CDF; In my notebook, it rotates ...
