For questions specific to the Graphics3D command and related 3D graphics functionality.
12
votes
1answer
171 views
Easy way to export Graphics3D as triangles with VertexNormals?
I would like to export an arbitrary Graphics3D object as a text file containing:
list of vertices
vertex normals
triangle faces
...
15
votes
3answers
460 views
3D view of a route shown on a map
You should have already seen such a thing, specially in documentaries about ancient life: the movement of a tribe is shown on an ancient map along a route with a dashed arrow. I want to do the same ...
7
votes
3answers
314 views
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 = ...
3
votes
1answer
182 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. ...
9
votes
1answer
448 views
3D plots with parallel projection
It is easy to make 3D Plots with Mathematica, e.g. use:
Plot3D[Sin[x+y^2],{x,-3,3},{y,-2,2}]
But I want to have nice plots in my thesis, so I decided to use ...
5
votes
1answer
333 views
How does one draw a parallelepiped in Mathematica?
I'm a bit new to the application, and I'm not sure how to draw a parallelepiped in Mathematica.
1
vote
3answers
425 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 ...
7
votes
2answers
358 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 ...
0
votes
1answer
161 views
How can I remove orange-box around the Graphics3D?
I don't know whether this is a correct question or not, but I played from two days on this problem and still I didn't find a solution.
The save button is enabled whenever we have to specify ...
2
votes
2answers
195 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 ...
4
votes
1answer
247 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 ...
11
votes
2answers
374 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
...
4
votes
0answers
99 views
Creating a PolyhedronData[] structure for custom polyhedra
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 ...
5
votes
2answers
670 views
How to process .vtk file
I want to extract the cluster of points inside 3D box, is there any way one can do this in Mathematica?
0
votes
0answers
103 views
Why does mathematica crash when I rotate a 3D graph? [duplicate]
Possible Duplicate:
SIGSEGV error with 3D Plots
I just recently installed mathematica 8 on my linux machine, running ubuntu 11.10
I decided to tun and test mathematica so while the terminal ...
3
votes
1answer
162 views
Problem in RegionPlot3D
I tried to plot the region bounded by the three planes. This is supposed to give me a pyramid type of shape (actually two, but I am just taking one of them). The code is given by
...
32
votes
0answers
728 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 ...
6
votes
3answers
404 views
How to make a tight crop of a 3d plot?
I like Mathematica, but it's syntax baffles me.
I am trying to figure out how to minimize the whitespace around a graphic.
For example,
...
5
votes
0answers
282 views
How to map rotate, pan, zoom to manipulate controls
I am wondering if there is a way to restrict the motion of the rotate mouse cursor in when moving around a 3d plot.
For example, I want the y direction of the cursor to correspond to pulling the z ...
1
vote
2answers
263 views
How to draw a tangent to a surface in a given direction?
It seems quite embarrassing for me, but somehow I can't draw a tangent line to a surface in a given direction. Assume that I want to visualize directional derivative of the function, say, ...
12
votes
1answer
317 views
Is it possible to produce anaglyphs with Mathematica?
I'd like to prepare some presentations in Mathematica to help students visualize functions of two variables (it's a usual calculus course). I thought it would be both cool and useful to have the ...
1
vote
1answer
200 views
Code to draw geometry doesn't run
I'm new to Mathematica and have no background whatsoever in programming, although I will teach myself soon. I was wondering if one of you programming pros could help me out. I received a code from ...
5
votes
1answer
176 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 ...
6
votes
2answers
336 views
Finding concave hull for separated small clusters
Data :
data3D = Import[file, "VertexData"];
Graphics3D[Point[data3D]]
How to find concave polygon for separated small clusters.
11
votes
2answers
596 views
Finding a Concave Hull
I have a 3d clustered data:
Is there any other way to get concavehull of 3D data points?
15
votes
2answers
906 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.
4
votes
1answer
174 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 ...
4
votes
1answer
287 views
7
votes
1answer
447 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 ...
8
votes
1answer
752 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: ...
46
votes
2answers
41k views
Cutting bagels into linked halves
I recently came across this video: Mathematically correct breakfast, which shows how a bagel can be neatly sliced into two identical linked halves.
I'd like to try this with Mathematica. Here's a ...
2
votes
2answers
159 views
6
votes
1answer
249 views
Color linear interpolation of ParametricPlot3D
I am looking for any ideas about how to colorize an ellipsoid with a custom gradient style or by a Blend function. I would like to colorize ellipsoid as follows:
...
9
votes
1answer
256 views
Outline around sphere
Is there an easy way to draw an outline around a sphere? Is there something like EdgeForm[] that will work?
I'm looking for perhaps a thick red line; I'm making a ...
7
votes
1answer
418 views
How to render a 3D tubular graphics from a 2D image path
Question: Is it possible to create a tubular 3D image like Extruding along a path
using "Tube" function in mathematica for following images?
Image (1)
Image (2)
Thanks
I have been ...
13
votes
3answers
537 views
How can I set the view vector in a 3D scene by tracking my face's position?
Faking 3D with 2D tracking data is something that I've long wanted to implement for use with my front facing laptop camera. A first step to solving this would be dynamically setting the viewpoint ...
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):
...
13
votes
3answers
503 views
How can locators be added to the points on a 3D grid?
Here is a pared down example of some 3D data that I want to make dynamic and add locators to each set of points. Is that possible?
...
4
votes
1answer
191 views
Noticeable slowdown in graphical performance when using manipulate
I have been making these mathematica 3D objects that involve a molecule with some sort of surface displayed above them. This is done fairly easily by:
...
2
votes
2answers
276 views
Animating a 3-D arrow given the vector's x, y, and z components as a function of time
I am trying to show how a vector M varies over time. I have the following code:
...
11
votes
1answer
214 views
Facegrids at ticks
I want to plot a 3D graphic and I want facegrids at the ticks that I specify. I've tried several solutions but I cannot get this working. The result with the code provided below is that it does its ...
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 ...
6
votes
3answers
918 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 $0\leq t\leq 5$ ...
13
votes
2answers
611 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 ...
5
votes
1answer
253 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 ...
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 ...
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 ...
4
votes
1answer
610 views
Rotating 3DPlot into animated gif
I'm trying to make an animated gif of a 3D plot by rotating the plot in its middle, around a vertical axis.
I used the tricks gave by F'x and Heike in this thread autorotating 3D plot but I ...
10
votes
2answers
377 views
Why is ListDensityPlot unable to plot datasets with extreme ranges
Consider the following dataset:
data = Flatten[
Table[{x 10^-9, y 10^-9, x^2 + y^2},{x, -100, 100, 10}, {y, -100,100, 10}]
, 1];
If I try to ...
