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

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9
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3answers
462 views

Make plot smoother in pgfplots

I'm trying to plot a function using pgfplots: \documentclass{scrartcl} \usepackage{pgfplots} \pgfplotsset{compat = 1.12} \newcommand{\param}{2.0} \begin{document} \begin{tikzpicture} ...
9
votes
1answer
242 views

How can two bivariate normal distributions be plotted in one plot?

I would like to visualize the following two bivariate normal distributions: I found Jakes awesome answer and adjusted it so that the plots get rotated the correct way. Current plot Question ...
9
votes
1answer
707 views

3D arc in Asymptote

I constructed the technical figure embedded below. I wonder how to draw red arc to denote angle $\alpha$ between two blue vectors. (Actually, I add the desired output using Inkscape.) The Asymptote ...
9
votes
1answer
784 views

How to achieve a perspective where two axes of a 3D scene coincide with the x and y axes of the 2D projection?

How should the corresponding camera line look like? currentprojection = orthographic(camera=(x,y,z),up=Y,target=O); In particular, I need a formula for the triple (x,y,z) depending on the angle ...
9
votes
1answer
375 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: ...
9
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1answer
306 views

Function rotated about the x-axis

I try to reproduce some figure from that file: http://tug.org/TUGboat/tb33-1/tb103wolcott.pdf I exactly need Figure 7: f(x) = sin x rotated about the x-axis. The code for Figure 7 is in appendix B. ...
9
votes
2answers
599 views

pgfplots 3d cylindrical coordinate system

I am trying to plot a cylindrical coordinate system using pgfplots. The idea would be to plot the r,theta plane similar to what polaraxis provides, see here. I don't know how to translate something ...
9
votes
1answer
414 views

TikZ: a cylinder of infinite height

I would like to use the Magenta cylinder from dandelin spheres, but I want to have the illusion that the cylinder goes to infinity in the positive z direction. I am ignoring the rest of the code ...
8
votes
3answers
2k views

Cut-off cone in TikZ

How would I draw the following cone using TikZ? I have no clue how to incorporate the "cut-off". I want to draw a picture of the cone given by the points (y, t) for y in R^d and t in (0, infty) such ...
8
votes
3answers
4k views

Surface plot with coordinates in pgf

Is it possible to draw a three dimensional surface using coordinates instead of formulas? MWE so far: \documentclass{article} \usepackage{pgfplots} \begin{document} \begin{tikzpicture} ...
8
votes
3answers
2k views

How to draw a circular cone

I want to draw the circular cone given by the equation z²=x²+y². (I do not mind using any given package.) I tried to use the pst-solides3d package with the help of its manual to generate the ...
8
votes
2answers
805 views

Drawing Solids with LaTeX

I want to know if there is a package that automatically draw solids (spheres, cylinders, cubes, prisms). I know I can do this kind of drawing using TikZ or PSTricks. But what about a package where ...
8
votes
3answers
589 views

indicate a right angle in 3d

The following MWE shows what appears to be a piece of paper folded. I want to indicate that the angle between the dashed lines is right angled by adding a simple square at M, such that the missing ...
8
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3answers
1k views

Vector graphics in LaTeX

I need to add some vector graphics to my LaTeX files. I would like to end up with good looking wireframes, such as in Hatcher's book "Algebraic Topology" (for an example take a look here). Which tools ...
8
votes
3answers
1k views

PGFplots 3d: Creating a filled solid of revolution

I have searched through the internet for a solution, but since I'm not that skilled with pgfplots, I need your help. For several examples I want to draw solids of revolution, but filled ones. I ...
8
votes
2answers
2k views

Drawing the contour of a 3d torus

I would like to draw a torus, like the one on the question How to draw a torus, with a 3d package. I would like to avoid drawing the torus in 2d with inkscape (or directly with tikz) because I will ...
8
votes
2answers
483 views

3D data plot with PSTricks

Consider the following example: \documentclass{article} \usepackage{pst-3dplot} \begin{filecontents*}{plotting-of-3d-surface.data} 2.17 0.001 0.82044815 2.17 0.002 0.82345825 2.17 ...
8
votes
2answers
2k views

3d Image using tikz?

I have attempted to draw a sphere between two planes that are defined as follows. a:= 2x - 2y + z + 2 = 0 and b:= 4x - 4y + 2z - 4 = 0 I know that the line is perpendicular to the two planes are ...
8
votes
2answers
5k views

Drawing 3D cylinder

I need to draw a lot of 3D cylinders with different dimensions. Has anyone maybe already defined a command like \3Dcylinder{x}{y}{z}? I found 3D bodies in TikZ and tried the third answer. But I don't ...
8
votes
2answers
932 views

Projection of included 2D graphics to a plane

General purpose I want to project a graphic file from external sources (example.pdf saved on my computer e.g. a chip design) on the bottom of a 3D graphic (which I can draw in LaTeX by using TikZ, ...
8
votes
2answers
1k views

Plot TikZ items with respect to 3D position, not the order of appearance in the code

I have a big bunch of polygons plot in 3D with TikZ. The code is generated by a program, so it's hard for me to print the "foreground" polygons last, so that they are well printed in space. In other ...
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9answers
4k views

For movie15-based 3D embeds, how to get u3d files?

The movie15 package (an interface to embed movies, sounds and 3D objects into PDF documents for use with LaTeX as well as pdfLaTeX) requires 3D files to be in u3d format for embedding into pdf. This ...
8
votes
2answers
831 views

Setting the unit vector ratio gives a '! Dimension too large' error

I have a Delaunay-triangulated surface generated in MATLAB, which I would prefer to render in tikz. I use Nico Schlömer's matlab2tikz script to generate the standalone tex file. The MATLAB result ...
8
votes
1answer
195 views

Extrude shapes in tikz 3d

I want to have a shape protruding out of a plane, like the green rectangles here So far I have a made a box like this: \documentclass[]{article} \usepackage{tikz} \usetikzlibrary{3d} ...
8
votes
2answers
369 views

Position shift when adding label to 3D asymptote diagram

I have this strange issue with 3d asymptote diagrams. Without labels they act as a normal figure, but when I add label, the diagram moves to the edge off the page... MWE: ...
8
votes
1answer
854 views

A perpendicular line to a plane in 3D

I have two line segments identified by two end points each. Two line segments are in the same plane and intersecting at a point. I would like to draw a line (normal of the plane) passing through the ...
8
votes
1answer
615 views

Best way to get the unit vector of a given vector in tikz 3d

Suppose I have a coordinate in tikz 3d which I interpret as a vector, for example \coordinate (v) at (3,2,9); What's the best way to get the unit vector pointing into the same direction? My first ...
8
votes
1answer
740 views

Asymptote: Is there an equivalent to silhouette for surfaces?

Update If there is no equivalent to silhouette could you comment on my following ideas: I can get the projection of my surface using the planeproject transformation. This is still a three dimension ...
8
votes
1answer
1k views

How to project a function over a 3D plane

When I looked up the method to express two variable functions as a sequence of intersecting horizontal planes, I thought to use PGFplots to construct a simple set of "slices" of a generic function ...
8
votes
1answer
425 views

Adding arrows on 3D curves in Asymptote

I am trying to plot (1D) trajectories in 3D with Asymptote (because I am also plotting surfaces with opacity and do not want to use hacks for hidden surfaces). Each curve is defined by points in an ...
8
votes
1answer
195 views

Plotting several 2d curves (with different colors) in a 3d graph

I'm trying to reproduce 3D plots with several 2d curves, like in Plotting several 2D functions in a 3D graph. The end result looks like this: The questions are: I would like to change X labels ...
8
votes
1answer
700 views

3d arrows in tikz, or arrows that fit perspective

I'm trying to draw a 3d arrow in a 3d box (well lots of them actually). I've got the 3d box sorted, but the arrow doesn't look quite right. I've set up my axes/projection with: ...
7
votes
4answers
838 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 ...
7
votes
2answers
1k views

3D-plotting sine integral (PSTRICKS)

I'd like to build up a 3D-Plot (based on pst-solides3d), where the function looks like x=u, y=v and z=\int_0^x \frac{\sin\left(\pi t \right)}{\pi t} - \frac{1}{3} ...
7
votes
2answers
3k views

Changing axes in tikz-3dplot picture

As is, the axes in the following picture \documentclass{article} \usepackage{tikz,tikz-3dplot} \begin{document} \begin{tikzpicture}[scale=3] \draw[thick,->,black] (0,0,0) -- (2,0,0) ...
7
votes
2answers
639 views

Asymptote 3D: how to draw a surface with a pattern (e.g. checkerboard)?

In Asymptote, I'd like to draw two intersecting planes, one with a solid color and another with some pattern (e.g. checkerboard), so that it would look okay if printed black and white. However, the ...
7
votes
3answers
2k views

pgfplots: 3D surface plot from data with free format

I want to plot 3D data from a file (data file) using pgfplots. The data represents an ellipsoid. I want to draw the outer shell like in the following picture, just without the background and in ...
7
votes
1answer
455 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: ...
7
votes
2answers
2k views

xyz coordinates rotation

is it possible to set a different orthonormal base for the xyz coordinate space? for example, the default one is x=(1,0,0) y=(0,1,0) and z=(0,0,1). I would want to set this base: x=(1,0,0) y=(0,0,1) ...
7
votes
2answers
2k views

Making mesh grid lines transparent in surface plot with pgfplots

I need to make a partly transparent, one color, surface plot. Additionally I want to control the transparency of mesh lines. Running this code: \documentclass{standalone} \usepackage{tikz,pgfplots} ...
7
votes
3answers
2k views

tikz-3dplot rotation around the x-axis

I'm trying to create a simple spherical quadrant grid using the tikz-3dplot package. The longitudinal grid lines look fine but when I try to create the latitudinal lines I get really strange results ...
7
votes
2answers
847 views

3D TikZ lines on the perimeter of a circle

I'm just learning TikZ, I've done a few 2D images and I wanted to make a 3D wire frame of the Hubble telescope. The body of the telescope is basically a pair of tubes, the front one slightly narrower ...
7
votes
1answer
191 views

Render stl files in asymptote

I want to draw a propeller in 3D for my fluid dynamics lecture. I found a 3D model of a propeller that can be downloaded as a stl file. I found a python library numpy-stl that can read and draw, with ...
7
votes
3answers
590 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 ...
7
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1answer
167 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, ...
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?
7
votes
1answer
1k views

pgfplots: color a (3D) surf using arbitrary RGB colors

I would like to color a surf using arbitrary RGB colors (unlike this question, which just colors the surf using the colormap). In this minimal example (which plots the x+y function), I would like the ...
7
votes
1answer
2k views

2D colors above 3D surface plot

I would like to draw a 2D, colored plot of a function above its surface plot. I tried copying the surface plot and setting z filter/.code={\def\pgfmathresult{1.4}}, but then everything is the same ...
7
votes
2answers
257 views

Close the corners of a grid (of tubes) on a surface in asymptote

Consider the following simple drawing of a saddle surface using asymptote import graph3; real f (pair p) { real x = p.x; real y = p.y; return 0.5*(x^2-y^2); } surface ...
7
votes
1answer
833 views

TikZ: draw objects in transparent objects (3d)

I want to draw a cuboid in another transparent cuboid with TikZ. Therefore I've created a \newcommand to draw a cuboid. \documentclass[11pt, halfparskip]{scrartcl} \usepackage{ucs} ...