5
votes
1answer
112 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 ...
4
votes
2answers
209 views
2
votes
0answers
101 views

Improve the clarity of a graphic [closed]

I want to use Mathematica to plot two 3D plots which delimit different regions of the space, and I want to show the differences between the region they delimit. These regions are: $z \geq cte /(4 x + ...
1
vote
1answer
146 views

Finding intersection of 3D lines

I want to find the intersection of 3D line. I want to detect the 3D light source position by intersecting 3D lines. ...
3
votes
2answers
295 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 ...
2
votes
1answer
124 views

How to color the surface of the Box of 3D graphics

Is there any possibility to color the surface of the Box of a Graphic3D[]? ...
0
votes
1answer
63 views

Combining an imported PDB file with a set of Graphics3D objects

Imagine we import a PDB file like so (using the example from ref/format/PDB in the help directory): ...
1
vote
1answer
109 views

Plot3D missing a zone

I am trying to plot a simple graph using Plot3D: ...
3
votes
1answer
94 views

Adding and summing overlapping Airy (or Gaussian) disks on a plane

In a previous question of mine, I asked how one might draw an Airy disk on a plane: Generating an Airy disk on a plane, and recieved some impressive answers from the users Timothy Wofford and ...
3
votes
2answers
341 views

Generating an Airy disk on a plane

I wish to generate a surface intensity plot of an Airy disk (or perhaps a two-dimensional Gaussian approximation to an Airy disk) on an (x, y)-plane at a specified coordinate. The hope is to have ...
3
votes
3answers
116 views

A one-liner to place some number of Graphics3D polytopes on a plane and to randomly assign colorations

I'm looking for a nice one- or two-liner to randomly place some number, $N$, of Graphics3D polytopes on a plane with dimensions $X \times Y$, and to specify that $k ...
0
votes
1answer
204 views

How can I combine several 2D-plots to one big 3D plot?

So I've been able to make a list given by list = Table[{xValues, f[xValues, t (*fixed*)]}, {xValues, xmin, xmax}] For example: ...
25
votes
2answers
357 views

Chart illustrating options that affect Graphics/Graphics3D objects

In Mathematica there is a seemingly never-ending list of parameters that affect the appearance of Graphics and Graphics3D ...
1
vote
1answer
101 views

How to keep front and back colors of Polygon in Graphics3D same all the time [duplicate]

I want the same face color for a 3D Polygon when viewed from front or back or from any angle. i.e. I want the color not changed under any conditions. Front and ...
10
votes
3answers
389 views

How to properly project a Graphics object consisting of line primitives

My problem starts from attempts at depicting overlapping lines of different thickness, i.e. ...
0
votes
1answer
175 views

A problem on generating convex hull

For example, I typed the following: ...
4
votes
1answer
442 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: ...
7
votes
1answer
604 views

How do I flatten transparency on a graphics, for conversion to eps or similar?

I've got a graphic that I'd like to save as an eps file. Trouble is, the graphic has some transparency to it. Since the eps format doesn't handle transparency, I want to flatten the transparency out, ...
11
votes
3answers
739 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
2answers
324 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
277 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 ...
3
votes
1answer
251 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 ...
5
votes
1answer
332 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 ...
1
vote
2answers
145 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 ...
1
vote
1answer
413 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 ...
2
votes
1answer
441 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 ...
6
votes
1answer
179 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
91 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
247 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: ...
9
votes
2answers
257 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
326 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 ...
1
vote
2answers
465 views

Using Chemical Data to make molecule graphics

I would like to take the acetone and chloroform molecules that Mathematica's chemical data provides, and plot them together. I want to show how chloroform can hydrogen bond to acetone. Right now I ...
5
votes
2answers
405 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 ...
6
votes
2answers
1k views

Axes Origin & Labels in 3D Plot

I'm looking for a way to have the axes at the origin in a 3D plot and to label the (x,y,z) axes in the usual way---with x near the end of the drawn portion of the x axis, y near the end of the drawn ...
4
votes
1answer
197 views

Synchronizing manual rotations for multiple Graphics3D outputs?

Say I make a set of three Graphics3D images, here of three different cones, by evaluating: ...
4
votes
1answer
189 views

Manipulating a Graphics3D output with a large number of geometric primitives

I'm attempting to view and rotate a Graphics3D object with a very large set of geometric primitives ($\approx 10^6$ objects such as spheres or lines), and everything is functioning very slowly. Are ...
10
votes
4answers
620 views

How to draw a higher-genus surface

NB: By higher-genus surface, I mean a closed orientable surface of genus at least 2. This question has come up before on math.SE, and even MathOverflow, but most posters suggested using either ...
6
votes
2answers
662 views

Calculating a minimum bounding box for a set of 3-space coordinates / spheres

I have a set of 3-space coordinates for the atoms of a molecule (I could also transform them into spheres with radii corresponding to the atoms they represent). I would like to place this molecule ...
1
vote
1answer
247 views

How do I draw multiple 3D shapes defined by lists of points?

I'm attempting to draw $N$ cones on a 3D object, where each cone is specified by a pair of 3D coordinates. The first coordinate is for the cone's base, the second one for the cone's apex. Here, I ...
8
votes
2answers
203 views

Is there a way to programmatically set global preferences?

Can I set global preferences that are accessible via "Edit"->"Preferences" programmatically from within a notebook? As learned from this question, turning off anti-aliasing can make a huge difference ...
20
votes
1answer
373 views

What is PointForm?

I stumbled across a function called PointForm but the only documentation I can find is the pop-up line offered by autocomplete, which contains the same information ...
15
votes
3answers
551 views

How to get the real PlotRange using AbsoluteOptions?

The problem in general involves the unreliable behaviour of AbsoluteOptions when option values are implicitly specified (e.g. ...
13
votes
4answers
2k 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 ...
11
votes
1answer
1k 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 ...
3
votes
1answer
211 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. ...
3
votes
1answer
274 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
944 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, ...
7
votes
1answer
495 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 ...
5
votes
2answers
471 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.
10
votes
2answers
847 views

Finding a Concave Hull

I have a 3d clustered data: Is there any other way to get concavehull of 3D data points?