# Tagged Questions

55 views

### Fractal dimension of a large networked molecular system

I am trying to determine the fractal dimension of this complex biomolecule (figure attached). Any clues as to how this can be done. In trying to determine this quantity, I wonder how its ...
189 views
+50

### Generalize WASD Function First Person Viewing

How might I generalize the following WASD question such that it works with any Graphics3D object and includes q and ...
196 views

### Attaching a legend to BallAndStick picture

I am looking for a way to add a legend showing the identity of various atoms (with different colours) to this picture. Any Clues? ...
36 views

### Graph embedding and edge weights [duplicate]

Does functions like GraphPlot take in to account edge weights in case of springelectrical embedding? In case of spring electrical embedding I expect the vertices connected by heavy edges to be pulled ...
873 views

### How to make a depth map from a 3D model?

Given a 3D .obj model, for example a rabbit. How can we make a depth map out of it? Any idea or help would be much appreciated.
113 views

### fragment loss with ContourPlot3D

I expect to have a chimney-look plot out of the function z = 1/(x^2 + y^2), but what I got is a broken one. Is there a way to get an intact plot from ...
219 views

### How to draw a box with holes using Mathematica

How to draw these two(especially the second one) graphs using Mathematica? The curve is not important.The point is how to dig some holes in a cube. BTW, These two shapes are Homotopy.
216 views

### Extrude 2D cross-section to 3D shape with shrinkfactor

I would like to create a 3D shape from extrusion and scaling of a 2D contour. The 2D contour that I have looks like this: and it consists of a bunch of points (here plotted with ...
55 views

### Moving two Spheres in the Opposite Direction [closed]

We know that we can achieve to a box contained two spheres by the code: Graphics3D[Table[Sphere[{i, Mod[i^2, 10], Mod[i^3, 12]}], {i, 2}]] How can the left ...
172 views

### Finding corresponding vertex from 3d to 2d

I have this simple 3d data points: ...
124 views

### How can I get Inset to use ImageScaled, but preserve aspect ratio?

This code produces two identical images, despite the difference in the rectangles: ...
138 views

### Error message: Coordinate index 0 is out of range for the enclosing GraphicsComplex

I am unable understand following error message: Coordinate index 0 is out of range for the enclosing GraphicsComplex. How to fix it? Attached data here: pts and polygons. See also end of question. ...
386 views

### How to create these famous surfaces in topology with the desired color effects?

It was said such real objects of famous topological surfaces were plotted by the cooperation between mathematician Richard Palais and artist Luc Benard, and published as the cover page of Science ...
142 views

### How to control the layering of graphics displayed with Show

I am trying to combine two graphics objects using Show. The first one is an isosurface: ...
385 views

### Showing the empty space in a Graphics3D plot

I would like to be able to visualize the empty space in a Graphics3D plot. For example, if I plot hexagonally close packed spheres using something like: ...
108 views

### Cropping a non-cubic lattice unit cell

I would like to crop the hexagonal close-packed system as a hexagon and not as a cube. I would like to use the following volumetricPlot already given on this ...
96 views

### Convert Tube[BSplineCurve[…]] Graphics3D object to polygons [duplicate]

I wish to voxelize a complex shape composed of Tube[BSplineCurve[...]] objects, while maintaining the additional information of the (unvoxelated) surface normal ...
264 views

### Projection of curve 3D (x,y,z) on the x-y plane

I have a following systeme : \left\{ \begin{array}{rcr} (\beta+\frac{1}{2}\delta^{2})\nu_{1}(u)-\delta\nu_{2}(u)+\nu_{3}(u)& = &0\\ ...
414 views

### Add coordinate axes to a 3D plot of concentric spheres

I want to add coordinate axis to a figure of nested spheres. I have the command. ...
167 views

### Perspective transformation of a 2d streamplot

I have a two-dimensional streamline plot from a fluid dynamics simulation. I am wondering: is it possible to somehow allow Mathematica to treat the streamline plot as a plane in three-dimensional ...
145 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 ...
308 views

### Don't understand why Mathematica is complaining about my Graph expression; how can I fix it?

In Mathematica 9.0.1, when I evaluate ...
211 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. ...
499 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 ...
136 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[]? ...
80 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): ...
131 views

### Plot3D missing a zone

I am trying to plot a simple graph using Plot3D: ...
112 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 ...
469 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 ...
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### 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 ...
413 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 ...
382 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 ...
153 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 ...
631 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 ...
475 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 ...
200 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 ...
100 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 ...
331 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: ...