For questions specific to the Graphics3D command and related 3D graphics functionality.
0
votes
0answers
37 views
3D spectrogram plots [duplicate]
Possible Duplicate:
Computing and plotting a spectrogram in Mathematica
I have a notebook that reads in some time-series data and calculates a spectrogram of it using Mathematica 9.0's ...
18
votes
3answers
464 views
RegionPlot3D in cylindrical or spherical coordinates?
RegionPlot3D is awesome. Unfortunately, it appears to work only for Cartesian coordinates. While there are ways to draw surfaces in spherical or cylindrical coordinates, I can't find a way to draw ...
13
votes
4answers
916 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 ...
4
votes
1answer
79 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:
...
1
vote
1answer
107 views
Exporting as .PDB extension
I am working with the 3-D coordinates of proteins. The file format I import and modify coordinates of is in the .PDB format, and the string to import is also in this same format. Currently, when I try ...
2
votes
3answers
292 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, ...
5
votes
2answers
242 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 ...
15
votes
0answers
222 views
Unintended edge extensions in 3D Cube rendering
I have arranged a certain configuration of cubes in 3D using the following code:
...
1
vote
1answer
168 views
How to plot X and Y data to see average data converging?
I initially have ran a large, say 1000 (to be changed later) number of monte carlo simulations (mcRun), and I want to see when the average data result starts to converge to a reasonable value.
So I ...
8
votes
3answers
407 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:
...
6
votes
2answers
105 views
Projecting Reference Lines in a SmoothHistogram3d Surface
What is the best way to draw a path (red color, dashed) along the surface of the smoothHistogram3D. Assume the paths desired to be the X=0 and Y=0 Axes.
...
15
votes
3answers
476 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
321 views
6
votes
3answers
320 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 ...
6
votes
2answers
286 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 = ...
9
votes
1answer
482 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
358 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.
3
votes
1answer
185 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. ...
7
votes
2answers
382 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 ...
1
vote
3answers
457 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 ...
0
votes
1answer
163 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
205 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 ...
0
votes
1answer
126 views
How to rotate Graphics3D into CDF? [closed]
I make Graphics3D with Polygons, before deploying then to CDF; In my notebook, it rotates ...
4
votes
1answer
260 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 ...
12
votes
1answer
175 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
...
4
votes
0answers
101 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 ...
11
votes
2answers
378 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
...
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
166 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
...
7
votes
3answers
451 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
295 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 ...
16
votes
3answers
888 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 ...
1
vote
2answers
265 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
323 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
205 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
182 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
347 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
620 views
Finding a Concave Hull
I have a 3d clustered data:
Is there any other way to get concavehull of 3D data points?
4
votes
1answer
183 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 ...
5
votes
2answers
689 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?
7
votes
1answer
182 views
4
votes
1answer
299 views
2
votes
2answers
163 views
48
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 ...
9
votes
1answer
261 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
467 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 ...
17
votes
2answers
1k 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.
7
votes
1answer
446 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
543 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):
...
