{3d} is about three-dimensional content, e.g., images and drawings.

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6
votes
1answer
164 views

3d PGFPlot with custom mesh and polygon

I am trying to reproduce this figure as closely as possible in PGFPlots (the original was made with a combination of gnuplot and Illustrator): The 3D surface is f(x,y):=x^2 y^2. I am struggling a ...
2
votes
1answer
70 views

Calculation of coordinates in 3d with the 3dstructuralanalysis library

The tikz library structuralanalysis provides the pointcommand. %------------------------------------------------ % point %------------------------------------------------ % ...
9
votes
3answers
517 views

Plotting intersection of a sphere with a plane

I've made the following code: \documentclass[parskip]{scrartcl} \usepackage[margin=15mm]{geometry} \usepackage{tikz} \usepackage[english]{babel} \usetikzlibrary{arrows} \begin{document} ...
2
votes
1answer
45 views

Wrong reference for fill and comb options

I'm trying to draw a sine in xy plan, fill it with some color, and draw some arrows (dirac) to show it can be considered as a vector. I tried this but the reference of the arrows is 0 and not the x ...
3
votes
1answer
123 views

Rotating axes in 3D for better viewing planes

I have this code: \begin{figure}[h!] \centering % Generat amb TikZ \begin{tikzpicture} % Note: the points have coordinates (x,z,y) \coordinate (O) at (0,0,0); ...
11
votes
3answers
2k views

plot 3d graphs of functions defined implicitly

How can I plot 3d graphs of functions defined implicitly (quadratic forms, for Linear Algebra course notes -- I'd like to include lots of examples)? As far as I can see it is not possible with ...
5
votes
1answer
225 views

Setting camera view within Sketch

I'm using sketch to generate 3D tikz graphics, but the sketch documentation is not helpful. For example, here is some sketch code: def v1 ( 0.000, 0.000, 1.000 ) def v2 ( 0.894, 0.000, 0.447 ...
17
votes
4answers
2k views

Drawing intersecting 3D surface plots

I'm attempting to draw six semi-transparent intersecting spheres of different colors---two on each axis x, y, z and all joining at the origin---as shown in the figure below. Note how all the spheres ...
43
votes
2answers
3k views

How to draw spherical geometries with TeX?

I am working in the field of Astrodynamics and have to do many computations using spherical geometry. To visualize some of the concepts I would like to prepare drawings of things like spherical ...
2
votes
1answer
372 views

Beamer class and U3D Views

I want to switch 3D views in my presentation. I have read in the movie15 package that it is possible with the command: (dice example from movie15.pdf page 16) \movieref[3Dviewindex=N]{dice}{Click ...
7
votes
2answers
1k views

spherical coordinates in tikz 3d

Can we specify direction in spherical coordinates? I know we can do polar (angle:radius) but what is we are using tikz-3d and want to specify (r, theta, phi) where theta is the azimuthal angle?
2
votes
0answers
249 views

Draw an intersection of two planes

I use this code for producing the intersection of two planes: \begin{figure}[h!] \centering % Generat amb TikZ \begin{tikzpicture}[x={(240:0.8cm)}, y={(-10:1cm)}, z={(0,1cm)}, ...
1
vote
0answers
134 views

Sphere Intersection using Tikz

I found this example here of two intersecting spheres, have reproduced a couple Tikz spheres that I found here which is the code below. I however would like to know how to get these two spheres to ...
5
votes
2answers
502 views

Draw a hemisphere (or just a segment of a sphere)?

Drawing a sphere is easy enough using the ball shading, or some more refined form as in How to draw a shaded sphere, but I would like a way to shade only one half (or even just slices). I currently ...
31
votes
2answers
7k views

Draw a bivariate normal distribution in TikZ

For a small class I want to draw a bivariate normal distribution and show where the means from the two variables meet in the space. Has anyone done this in TikZ?
40
votes
4answers
7k views

How can I draw an arc from point A -> B on a 3D sphere in TikZ?

I'm basing myself on http://www.texample.net/tikz/examples/spherical-and-cartesian-grids/ and now I need to add a arc from point P to Q. What I was able to get so far: ...
9
votes
4answers
2k views

Helix on a cylinder

I want to plot geodesics on a cylinder. These are straight lines, circles or helices. I can plot the first two, but I don't know how to draw the helices. To be precise, I would like to know how to ...
3
votes
1answer
414 views

Solid of revolution about arbitrary axis

I'd like to rotate the region between y=cos(x) and y=x^2 - 0.25*pi^2 about the line x=pi. How to do this? So far I have only managed to rotate around the x-axis: \documentclass[letterpaper]{article} ...
2
votes
1answer
88 views

Confusion about the coordination system of 3D

I am drawing a 3d framework. I use something like (xyz cs:x = 12, y = 6, z = -6) to specify a coordination. However, the figure I produced looks ugly. Especially, the coordinations at the corners of ...
4
votes
1answer
349 views

PGF: draw longitudinal arcs in 3D axis environment

I want to draw a sphere, similar to the first one here: http://www.texample.net/tikz/examples/map-projections/ But - of course - different. This is, what I did so far: The dashed lines are behind ...
4
votes
1answer
136 views

Artificial Line in PGFPlots 3D Parametric Plots?

I just tried to make a 3D parametric plot of the spiraling helix r(t) = {t, cos(2*pi*t), sin(2*pi*t)} using PGFPlots, but there seems to be an extra line connecting the points r(t_min) and r(t_max). ...
5
votes
1answer
119 views

Properly drawing unit normals (orientation and length) in TikZ 3D

I'd like to visualize some points in 3D together with the connecting triangles and the unit normals of these triangles (cross product of the difference vectors between the points) together with the ...
2
votes
0answers
122 views

Asymptote: Intersect Line with Plane, z-order not correct

Hello TeX Stackoverflow! I have a question about 3D plotting in Asymptote. I want to produce a very simple 3D sketch of a line intersecting two planes, but I have trouble making it look "realistic": ...
4
votes
1answer
132 views

Best way to do 3d transluscent planes

I am trying to replace a diagram I made in powerpoint with something that I am making in tikz-3dplot. The diagram should look similar to this The problem that I'm running into is that the lines ...
7
votes
4answers
870 views

How to make a 3D Lattice?

How could I create a lattice like this: In 3D, with the ability to change the x,y and z spacing independently of each other? Any solution using any LaTeX program would be great! I have tried to do ...
3
votes
1answer
279 views

Can we color and rotate a cube?

I want to present a cube to illustrate, and I want to color four of its sides. The colors will be blue, red, green and yellow; the two remaining sides should be clear or white or, perhaps, black. In ...
7
votes
3answers
657 views

TiKz. Angle between two vectors and a projection

I'm having trouble to draw something with TiKz. What I want to draw I think is simple: SIM is a vector in the YZ-plane with a Beta = 38º, source is just a random vector with positive x and y ...
0
votes
1answer
254 views

Can I add 3D objects as subfigures (using movie15)

I have faced one stiff problem that when I try to add four 3D plots (2 rows x 2 columns) in my beamer by using subfigure approach, I fail! This is my minimal example: \begin{frame} \begin{figure}[t] ...
9
votes
1answer
424 views

3D arrows with TikZ

Asymptote does give 3D arrows when drawing three dimensional figures (they even have shade!). Could we fake it with TikZ? Here's an example, manually written, with just one arrow worked: ...
3
votes
1answer
121 views

Customized axes in tikz-3dplot, \tdplotdefinepoints not working as expected

I am using tikz-3dplot to draw vectors and arcs in 3d space. In the following example I am drawing two pictures. The code to draw the vector and the arc is the same in both pictures. However, picture ...
11
votes
2answers
457 views

Tikz weird 3D look

I've got a slight problem with the way TikZ draws my 3D figure. The edges of the top and bottom of the cylinder in the picture don't seem to match correctly even though I don't think I made a mistake. ...
7
votes
1answer
221 views

Drawing functions on spheres

In a paper, I have a class of functions S1→S2 depending on a real parameter t>0, and I would like to represent some of them on the sphere as curves to illustrate their behavior as t goes to 0, ...
6
votes
1answer
196 views

Spiral on a truncated cone

I need to plot a spiral around an inverted truncated cone, starting and ending at the centre of both bases. Something like this: I've searched and found a similar solution, but for cylinders only: ...
2
votes
1answer
157 views

Asymptote error in plain_Label.asy

I'm trying to compile the Asymptote script fig0090.asy from http://www.piprime.fr/files/asymptote/graph3/index.html by running asy fig0090.asy in the command line but I get the error ...
2
votes
2answers
346 views

Representing general transformations on a 3D grid using TikZ

I have a cuboid made from unit squares which in 2D looks like the following: Considering a 3D version of this (i.e. a cuboid). I wanted to use Tikz to demonstrate some of the possible deformations ...
6
votes
2answers
130 views

Three dimensional Regression Plan with Residuals

In R, I can make three dimensional Regression plane with residuals with the following command scatter3d(prestige ~ income + education, data=Duncan) with scatter3d function from car R package. I ...
4
votes
1answer
429 views

Shaded 3D ellipsoid with pgfplot

I'm trying to display a shaded 3D ellipsoid with axis labels with PGFplots. So far I achieved this. \documentclass{standalone} \usepackage{tikz} \usepackage{pgfplots,tikz-3dplot} \begin{document} ...
3
votes
1answer
97 views

Edge thickness of the faces in a surface plot

Is it possible to change the drawing thickness of the edges of the faces in a surface plot in PGFplots? For example, in the minimum working example \documentclass[margin=1cm]{standalone} ...
2
votes
1answer
127 views

Draw sphere and add scattered data with color information [closed]

My goal is to plot 3D data (x,y,z coordinates) such that a certain path on/inside a unit ball is illustrated. Since the path will not only be on the surface of the unit ball I have to encode the norm ...
1
vote
1answer
245 views

3dplot viewing angle

I need to choose my view angle in \tdplotsetmaincoords{ }{ } (elevation and azimuth) so that my plot ends up looking like the one below. I wish to do this entirely via the view angle, not relabelling ...
1
vote
1answer
257 views

Draw a 2D functions in tikz

I want to be able to plot in a 3D environment any type of function of two variables z = f(x,y), where x and y are specified within a given range. For instance plot f(x,y) = x^2 + y^2 where x in [-2,2] ...
7
votes
1answer
458 views

Asymptote: Why are objects closer to the camera smaller

In the following example you can see that the atom that is closest to the camera, is acutally smaller than the rest, even though it should be the other way around. Shouldn't it? Here the MWE: ...
1
vote
1answer
159 views

Asymptote: Arrow3 only has 3D arrow head

If I draw a Arrow3, it does not really look 3D-ish because the line is not shaded like a cylinder. How do I change this? Probably drawing the cylinder and arrow head manually together? How? Here is a ...
3
votes
1answer
165 views

Changing the view angle distort 3D tube image

In previous post water inside 3d tube I added a code. What I need is to have a look from front, but the problem is, if I change the angle from \tdplotsetmaincoords{30}{10} to ...
20
votes
1answer
673 views

water inside 3D tube

How can I generate the above image using TikZ. The oval inside tube represents water and arrows indicates the dipole orientation of water. What I was able to get so far is pasted below. ...
7
votes
1answer
174 views

tikz-cd: Shade faces of commutative cube

I would like to "shade" the faces of a commutative cube drawn using tikz-cd. \documentclass{article} \usepackage{tikz} \usepackage{tikz-cd} \begin{document} \begin{tikzcd} & P \ar{dl}[swap, ...
2
votes
1answer
640 views

How to draw a squeezed ellipse with fading color on a sphere surface with TikZ?

Ideally, I would like to draw something like part (c) of the image below: . Here, I narrow down the question to how to draw an ellipse on the surface of a sphere with fading color as shown on part (b) ...
3
votes
1answer
242 views

Adding a 2D plot to a 3D plot without closing the ends

I want to add 2 parabolas to a plot of a hyperbolic paraboloid, but I can't figure out (and couldn't find any information on the internet) how to keep pgfplots from closing the ends of the graphs. My ...
5
votes
0answers
34 views

Corners of 3D cube extend beyond where they meet / tikz / draw [duplicate]

i figured out how to draw the 3d effect cubes, but now im facing the issue of the border lines extending beyond the points where they meet. i know that by doing "draw=none" i can turn these off, but i ...
19
votes
2answers
2k views

Making a labeled Klein bottle using TikZ or pgfplots?

I'd like to be able to draw the following cell complex structure on the (three-dimensional embedding of the) Klein bottle using LaTeX. I am pretty pleased with my hand-drawn rendition, but LaTeX is ...