**544 3d questions.**

Take the unit sphere in the three dimensional space. A plane through the half of the sphere perpendicular to the vertical axis.
Pick a point in the plane and draw the line which joins it with the ...

I would like to reproduce the plot given in picture.
The function (with known a and c) is
a(x^2+y^2+z^2)+(1-a)(abs(x)+abs(y)+abs(z))=c where 0<a<1, c>0
How can I do this?

I am trying to use the spy library to magnify part of a 3D TikZ drawing. Consider this minimal example:
\documentclass[tikz,margin=0.5cm]{standalone}
\usetikzlibrary{3d,spy}
\begin{document}
\begin{...

How to position the 3D axes besides the centre of the screen?
\begin{tikzpicture}
% The axes
\draw[->] (xyz cs:x=-1.5) -- (xyz cs:x=1.5) node[above] {$x$};
\draw[->] (xyz cs:y=-1.5) -- (xyz cs:...

How do draw a right triangular prism in latex in this point of view?
And moreover, how can I add the right angle label like this?
Finally, how to add lines in the same figure?
Thank you so much

I currently have the following code and result.
\documentclass[]{article}
\usepackage{tikz}
\usetikzlibrary{3d}
\begin{document}
% Draw a 3D coordinate system
\begin{center}
\begin{tikzpicture}[x ...

I am trying to illustrate limits in R^2 to my students. In doing so I created the following figure in Geogebra
Where the idea is that when you approach origo along the black and purple lines you ...

I have a question regarding Asymptote, which I recently started to use to make some simple drawings. I am facing some problems when I try to create 2D output files.
I am working in a software company,...

I am trying to recreate the following picture. I tried to recreate this using Mathcha.io but I don't get the right translucent 3D look on the coloured plates. Is there a way to recreate this picture?

By stealing (Draw closed section of sphere using pgfplots) and borrowing, I was able to draw the plot I wanted. However, it adds a lot to the compilation time (on my computer and online), making it ...

I have a function with 2 parameters that, when plotted in 3D, is rotated in such a way that a part of the surface is hidden:
\begin{tikzpicture}[
declare function={
func(\x, \y) = ((\x<10) * (\...

I would like to create an image with a 3d side view style like the one below.
My objective is to demonstrate the network architecture with an example input and example output image. How do I get a ...

In TikZ manual, cylinders are said to be "a 2-dimensional representation of a cylinder". The result is that they can be rotated only in a plane.
This is my code:
\documentclass[tikz,border=5pt]{...

I have some pictures http://www.mediafire.com/view/?58gs6ye0zf149fv
How can I draw development of polyherons in Tex? Please help me.

It is so complex that I don't even know how to deal with it? Any idea?
Thanks so much.

The TikZ library calc can handle angle values:
\documentclass[border=2mm,tikz]{standalone}
\usepackage{tikz}
\usetikzlibrary{arrows.meta,calc,intersections}
\begin{document}
\begin{tikzpicture}
\...

Partly referring to the code of a previous question, this is an attempt to fill with color a rectangle in the 3D space. The plane has the points c and d as its extreme vertices:
\documentclass[border=...

In this code, related to a previous question,
\documentclass[border=2mm,tikz]{standalone}
\usetikzlibrary{arrows.meta,calc}
\begin{document}
\begin{tikzpicture}
\draw[->] (-3,0,0) -- (3,0,0) ...

What follows was tested with tikz-3dplot, but it could also regard the 2D TikZ as well.
This code:
\documentclass[border=2mm,tikz]{standalone}
\usepackage{tikz-3dplot}
\usetikzlibrary{arrows.meta}
...

In the tikz-3dplot documentation (page 15) \tdplotsetmaincoords{a}{b} is suggested to rotate the system of coordinates. But it apparently realizes rotations only about the x and z axes.
How to ...

A first example of intersection between two planes is already shown in this answer. I would like to use TikZ.
I already tested that code, but it has a different axes layout (the axes in the linked ...

I am trying to solve the following problem: First I would like to produce a surface plot of a function of two variables (in this particular case this surface has a saddle shape). Then I would like to ...

Using the TikZ 3D library, I would like to reproduce the following image:
Some details:
the planes have an arbitrary angle;
they are parallel and opaque;
the arrow segment is orthogonal to the plane ...

I would like to draw a "nice" 2D ellipse in 3D space using tikz. I'm using the tikz packages and tikz library arrows.meta
\usepackage{tikz}
\usetikzlibrary{arrows.meta}
This is my code so far:
\...

I'm trying to draw a matrix plot with the shown values in percentage.
I already tried:
nodes near coords = {\pgfmathprintnumber\pgfplotspointmeta\%}
Unfortunately this didn't work out.
Here is my ...

I want to draw a 3D graph that uses point meta = explicit symbolic for the nodes near coord, and I also want to use meta = explicit symbolic (or something similar) for coloring the blocks in function ...

I'm trying to create a 3D heatmap using data from a .txt file in the following format (tabs instead of spaces):
data.txt
x y z data
0 0 0 1.0
0 0 1 1.6
0 0 2 13....

I am trying to recreate the following figure in tikz
However, being a seasoned user I will not ask someone else to recreate the entire figure. However, how would one plot a function
u(x,y)
...

When drawing a 2d object, it's easy to understand thy tikz works at it does: simply put the latest drawing on the top. This behavier doesn't translate so well to 3d, so is there a good way to tell ...

I have a subset in 3D, than has the restrictions:
1<=x<=2,
1<=y<=2,
1<=z,
2x+2y-z<=5.
So far I have just plotted the point, where I restrict x and y. How do i plot the ...

I tried to insert X, Y, and Z labels into the 3-D graph, but I cannot.
My Latex codes (I use Overleaf) are like that. Please help me.
\begin{figure}[htp]
\caption[Caption for LOF]{The Plot of ...

How to plot a 3D graph from a gridding matrix like this
Matrix gridding (41x41):
0.4346 0.39557 0.35384 0.31542 0.28228 0.25556 0.23441 0.21819 0.20558 0.19559 0.18758 0.18116 0.17588 0.17142 0....

I am new to Latex, and I am trying to plot train of pulses of two variables, something like:
z = A * delta(x-x_0) * delta(y - y_0)
The best I can get at the moment is just a single mark where I ...

Do you have any idea how to draw a box like the one below (I found it in the tcolorbox package document)?
I drew this 3D like box, but doesn't look exactly like the one above:
code:
\makebox[\...

I'm trying to create a figure to help explain different types of line integrals. This involves a curve in 3 dimensions (the thick line), the curve in the x-y plane that it follows (the dashed line), ...

Friends, I'm having a bad time trying to figure out how to make the axis appear "inside" the plot. When I use the option axis on top it appears always in front of the plot and when I do not use it, ...

I'm trying to prepare a worksheet for my students on calculating the volume of a rectangular prism (cuboid). Using the code below I manage to generate the rectangular prism, but how do I add the ...

I'm failing at getting an acceptably positioned tick label multiplier in the following MWE of a 3D plot:
% !TeX program = lualatex
\RequirePackage{luatex85}
\documentclass[border=1pt]{standalone}
\...

as written in the title, I'd like to draw a circle in the YZ plane, at the moment i wrote static coordinates but if it's possible to let tikz calculate the perspektive it would be way better.
Thank ...

I want to make an animation, to show the rotation of this plate around the axis oz, I used this code
\documentclass[border=5pt]{standalone}
\usepackage{tikz,tikz-3dplot}
\begin{document}
\...

I'm trying to fix the following diagram that I wrote in XYmatrix.
I want to make it a cube or at least a parallelogram, but I don't know how to deal with the different lenghts of the names of the ...

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 (...

Could i draw 3D cylinder with tikz, using canvas? i need the full code please, i tried it with arc and ellipse shape but i want an actual 3D cylinder.
also i need to know how to rotate a dice drawn ...

By default, 3d plots render such that the z-axis is directed upwards with the xy-plane being horizontal. Is it possible to rotate a 3d plot to make e.g the y-axis directed upwards with the zx-plane ...

Considering the following data
3.1 1 21.8
3.1 0.98 19.16666667
3.1 0.96 17.83333333
3.1 0.94 16.16666667
3.1 0.92 15.5
3.1 0.9 14.83333333
3.1 0.88 14.16666667
3.1 0.86 13.5
3.1 0....

I used MATLAB to generate some 3D figures and I would like to show two surfaces in one graphic using PGFPlots.
In order to better illustrate the surface differences, I set opacity = 0.5 for both of ...

I'm trying to produce the most simple 3D Asymptote surface graph (code below). When I first started using 3D graphs, I noticed I had to add the settings.render=0; to avoid getting some weird ...

- tikz-pgf
- pgfplots
- asymptote
- tikz-3dplot
- pstricks
- diagrams
- graphics
- plot
- pst-solides3d
- rotating
- beamer
- pdftex
- color
- labels
- gnuplot
- technical-drawing
- coordinates
- intersections
- media9
- movie15
- pst-3dplot
- arrows
- tikz-styles
- shading

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