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

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3
votes
1answer
149 views

How can I improve my Zooming code?

I recently started to work with the EventHandler function to make it possible to Zoom, Pan, etc, with only the use of a mouse. I have found a way to zoom that is ...
15
votes
3answers
984 views

How to get rid of the perspective effect in a 3D graphics

I have plotted a figure of MoS2 crytal structure. But the actual output looks like the spheres are not in the correct position due to the perspective effect. I obtained the correct position figure ...
5
votes
3answers
306 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: ...
1
vote
2answers
183 views

Embedding text on an opaque plane in 3D [duplicate]

A simplified specification of what I am trying to accomplish would be to construct a cube each face with a different color and each face having a text label that can be seen only when viewing from the ...
2
votes
1answer
641 views

Plot a 3D vector field from a file [duplicate]

I have a data file with six columns {x,y,z} and {ux,uy,uz} respectively, and I would like to plot the 3D vector field. http://www.mediafire.com/download/udoa61hu0m6itrc/campo.txt I'm trying to do ...
2
votes
0answers
133 views

Mathematica with a Touchpad

I'm trying to make it so that you do not need to rely on keyboard presses to manipulate a 3D graphic. I've done some searching, but I can't find a way to make it so that Mathematica will recognize ...
2
votes
1answer
124 views

How to rescale a Graphics3D object?

I've created a Graphics3D object by extruding a binary 2D image (as shown here). ...
2
votes
2answers
225 views

Modifying imported 3D file

Since I am visualizing my work using Mathematica, I import some 3D models of molecules to my notebook. So, the question is, is there any way to modify somehow that imported models inside Mathematica ...
3
votes
0answers
288 views

Use of RegionFunction with Graphics3D?

I'd like to plot in 3D a long list of polygons created with TetGenConvexHull, but only in regions specified by a function. Is that possible? As I have it my ...
4
votes
3answers
157 views

Am I missing the point of ViewCenter?

Based on this description of 3D graphics and the associated Wolfram Training video, I anticipated that using the mouse to rotate the graphic below would rotate around the point where the three ...
2
votes
1answer
194 views

Viewing the inside of cuboid intersections

    I have a number of cuboids intersecting as illustrated. I would like to see their intersection, almost the view from inside. Setting the ...
2
votes
2answers
646 views

Isometric 3d Plot

I was wondering if its possible to make the following type of plot in Mathematica: I would like to take a 3D object, such as an ellipsoid, and cut out a wedge. I know this can be done using ...
10
votes
2answers
453 views

Is there a way to interactively read a point from a Graphics3D?

Suppose I have a tesselation, e.g. the Stanford bunny: bunny = Import["http://graphics.stanford.edu/~mdfisher/Data/Meshes/bunny.obj", "OBJ"] I'd like to be ...
6
votes
2answers
374 views

Breaking down a 3D model into patches

I have a 3D model, say the Stanford bunny, which is available in Mathematica examples. Import[ "http://exampledata.wolfram.com/bunny.noff.gz" ] Also ...
5
votes
1answer
455 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 ...
1
vote
1answer
104 views

Performing operations on function lists

I am exploring the use of Dynamic variables for the ViewPoint and ViewVertical options in a ...
2
votes
1answer
406 views

How do you adjust tick direction on a 3d plot?

I have a 3d plot with oddly angled tick marks. Whether it's due to the viewing angle being unexpected or some other reason, the tick marks on the bottom axes are angled up along the sides rather than ...
5
votes
2answers
741 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 ...
11
votes
3answers
1k views

How can I visualize 6 square matrices as a cube?

I have six square matrices of the same dimensions in a list, for example: ...
1
vote
1answer
373 views

How manipulate rasterized Graphics3D objects combined with non-rasterized objects

I am trying to construct a building with a manipulated sliding roof and other objects that can be manipulated. I have found that the manipulation of translations and rotations of graphics groups of ...
1
vote
1answer
1k views

Adding tangent (velocity) vectors to a plot of a space curve [duplicate]

I am just getting started with Mathematica and need help plotting tangential vectors to a 3D parametric function. I know how to do this in 2D but am unsure how to do it in 3D. Maybe I am using the ...
1
vote
2answers
569 views

Interpolating and plotting a surface for a sparse set of 3d data points

I have a set of $(x,y,z)$ coordinates which sparsely cover a surface, e.g.: data = {{51, 15, 0.1}, {300, 11, 0.99}, {140, 22, 0.123}, {54, 12, 0.66}, ...}; What ...
6
votes
2answers
612 views

Plot3D constrained to a non-rectangular region

I would like to make a nice 3D graphic of a parabolic bowl, with a cylindrical rim. If I do the following: Plot3D[x^2 + y^2, {x, -3, 3}, {y, -3, 3}] I get a ...
20
votes
4answers
2k views

Visualization of Bivariate Distributions

I know it is perfectly possible to show the bivariate probability distributions in MMA. But my question is can we show each dimension of distribution in 2D dimension while we are showing the 3D plot? ...
1
vote
0answers
55 views

Animated 3D graphics is low resolution [duplicate]

I'm trying to animate a 3D shape in Mathematica 7. It's working, but the graphics is extremely crude while animated. The resolution gets better if I stop the animation. Is there a way to get a nice ...
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. ...
1
vote
0answers
44 views

3D plot changes it's size while rotating [duplicate]

When I am rotating drawn 3D plot by mouse it rotates Ok until mouse release. After that it slightly changes it's size instantly. Probably it tries to accommodate document layout or something. Is it ...
4
votes
1answer
826 views

White spots in ListDensityPlot

I have a problem with ListDensityPlot. I have some data on an irregular grid. I try to plot them with ...
2
votes
2answers
682 views

Plotting rainbow circle [duplicate]

I am trying to plot a parametric circle in rainbow colors. It should go round once, but I'd like to be able to make it go round the rainbow an arbitrary amount of times. I currently have: ...
6
votes
1answer
483 views

Building a molecule viewer: aesthetic rotations

I am working on building a molecule viewer in Mathematica and am running in to problems with controlling rotation of the molecule (which is rendered as a ...
2
votes
1answer
178 views

Poor Graphics3D rendering

I am rendering a world environment simulation in Mathematica with Graphics3D code: ...
1
vote
2answers
184 views

How to maintain a smooth surface in CDFs while playing? [duplicate]

I created a CDF for viewing the Möbius Band, and its generation. https://www.dropbox.com/s/e3af0xelbbqjfhd/Cinta_Moebious_Rafa.cdf But: 1.- When it´s PAUSED the surface is soft and you can see with ...
4
votes
1answer
966 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 ...
18
votes
1answer
584 views

3D bubble textures in Bread (and other solids)

Bread has a bubbly texture that I would like to be able to recreate using Mathematica. Here are some examples of bubble textures: Bread Swiss cheese Foam Note that most of the ...
2
votes
1answer
640 views

Distance between 3D curves

I would like to determine the distance bewteen two representations of the Lorenz Attractor. I have two 3D representations for different initial conditions and I want to calculate the distance between ...
0
votes
2answers
247 views

Assigning colors to Graphics3D objects from an ordered list

I'd like to draw a set of spheres with colors assigned from a defined set. To provide an example, say I wish to draw a set of three spheres of radius 2 at the positions: {{6, 5, 10}, {1, 4, 20}, {2, ...
0
votes
1answer
263 views

Projection of a set of 4D points to the 3D space

Consider the following set of points in the 4D space: ...
2
votes
1answer
174 views

How to draw tiles with different height?

I have a random matrix RandomReal[{1, 2}, {20, 20}], whose elements represent the heights of an array of tiles. The cross sections of each tile are square and ...
4
votes
1answer
252 views

How can I use Manipulate[] to click on a Graphics3D output and generate $(x,y)$ outputs on a projection plane parallel to my screen?

Say I have some Graphics3D object that I'm looking at from a top down perspective, e.g.: ...
0
votes
0answers
29 views

How do I automatically “trim” the bounding box for a Graphics3D output? [duplicate]

I noticed that, provided some Graphics3D output scaled with ImageSize, I can get rid of a lot of the empty space around the graphic by right-clicking and then selecting "Trim Bounding Box". Thinking ...
6
votes
1answer
233 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 ...
1
vote
0answers
112 views

Anti-aliasing won't work when there is PlotStyle command

I've found that if there is PlotStyle command in the input, anti-aliasing will not work. However if the Style code is ...
6
votes
2answers
514 views

How to show wireframes on imported Object / Mesh (.obj file)

I've managed to import a Wavefront (.obj) file and store it in a variable like so: ...
1
vote
1answer
259 views

Not getting anti-aliasing with BarChart3D [duplicate]

When I put Antialiasing -> True in a BarChart3D, it doesn't work. Here is the code. ...
7
votes
6answers
3k views

How do I draw a hemisphere?

I want to draw a solid or partially transparent hemisphere above a partially transparent cuboid object in Graphics3D. However, I do not know how to do this s.t. only half the sphere is drawn. Here's ...
0
votes
1answer
155 views

Outputting a set of graphics 3D objects with positions defined by one array and colors by another? [duplicate]

I have a set of 2- or 3-space coordinates in an array, $(v_1,...,v_N)$, and an array of RGB color values (outputs from ImageValue[]) for each coordinate, $(c_1,...,c_N)$. How can I output a ...
9
votes
2answers
331 views

Drawing Cylindrical Segment with Graphics3D

For a visualization I need a combination of 3 Cylindrical segments to visualize the incident, reflected and refracted beam of light at a surface. I got as far as the following code. ...
8
votes
3answers
378 views

Generating a “flare” effect in Graphics3D?

I'm attempting to indicate that there is a point-source of light at some position in a Graphics3D-generated image. Is there any built-in tool to do this? My patch-work solution thus far has been to ...
13
votes
3answers
406 views

Representing a Stencil of a Finite Difference Operator with Mathematica's Graphics3D

I have the following finite difference operator: $$ Lu_{ijk}:= du_{ijk} +c(u_{i-1,j,k} + u_{i+1,j,k} + u_{i,j-1,k} + u_{i,j+1,k} + u_{i,j,k-1} + u_{i,j,k+1})\\ -u_{i-1,j+1,k}-u_{i-1,j-1,k} - ...
2
votes
1answer
220 views

Find points on the surface of a Graphics3D object

If I have a Graphics3D object that was generated from manipulations to PolyhedronData rather than via an explicit equation, for example the Spikey (for which the entire code can be found here The ...