All Questions
Tagged with coordinates calculations
17 questions
4
votes
1
answer
67
views
Calculated coordinates in TikZ-Paths
I require coordinates in a TikZ-path, which are calculated from values in a table or in a csv-file. Therefore I cannot create the coordinates using the calc-library but have to incorporate additional ...
1
vote
1
answer
168
views
Define a tikz variable only inside the current tikzpicture
I want to "define" a variable inside my tikzpicture. This answer gives a solution for how to do that, using the math library.
The thing I am concerned with is that when I assign \x1 the ...
- 1,211
2
votes
1
answer
86
views
Avoid axes distortion when drawing on image in tikz
I want to draw 10 circles in a circular shape, inside a rectangle.
The problem is that the 10 circles are positioned as an ellipse, and not around the circumference of a circle.
I want to place the 10 ...
- 1,211
3
votes
1
answer
319
views
Changing the default length unit in tikz
Is there a way to change the default length unit in tikz to the ex unit? I have trouble while calculating complicated coordinates in tikz when I'm using the ex unit (I always get an error or a wrong ...
- 215
0
votes
1
answer
450
views
Using Tikz package to extracting length, coordinates and assigning them to variables
The code below is extracted from:
"\internalforces" command in stanli package
(code exam1b - The second coding set in this example)
and
Using reference points in "Stanli"
Is there ...
- 763
10
votes
3
answers
2k
views
Tikz: Calculate and store the Euclidian distance between two coordinates
Is there an easy way to store the Euclidian distance between two coordinates?
I want to store the value 4 in a macro, so that I can use it to specify the width of a node.
The easiest way I could ...
- 515
3
votes
1
answer
1k
views
pgfplots: drawing multiple vectors with corresponding unit vectors
Suppose you have a couple of 3D-vectors given by their start and endpoints. Now you want to define a command that draws one of these vectors together with its respective unit vector from the same ...
- 33
4
votes
1
answer
735
views
Using a macro inside a Tikz coordinate calculation
I am trying to create a general macro that prints a particular custom character, based on an answer to a previous question of mine. Here is a minimal (non-)working example:
%!TEX encoding = UTF-8 ...
- 383
3
votes
1
answer
2k
views
Tikz coordinate calculations inside foreach
As part of a drawing that will go with an explanation of diffraction, I want to draw the "outer rays" of a beam of light and draw several rays in between. An MWE of how I'm going about this is shown ...
- 541
2
votes
1
answer
644
views
Tikz 3d trimetric view coordinate calculation bug
I'm trying to draw a line in the x-y-plane and circles in the y-z-plane at constant x position.
Problem is, that the circle is far out of position (x-coordinate of center point of the circle is ...
- 37
1
vote
1
answer
1k
views
Tikz: How to combine orthogonal edge syntax with coordinate calculation? [duplicate]
I'm trying to combine the syntax for orthogonal edges (p |- q) with the syntax for calculation relative coordinates ($ (a) + (1,0) $). Example:
\draw ($ (node1.south) + (1,0) $) to ( ($ (node1.south) ...
- 1,539
3
votes
1
answer
1k
views
Apply shift to (current axis.left of origin)
I was trying to improve the solution at Drawing lines in a plot and give them a label? by using Jake's answer at How to access \xmin, \xmax, \ymin, \ymax from within PGFplots axis environment.
So, ...
- 226k
1
vote
1
answer
609
views
How do I store the x or y value of a named node in tikz \draw?
A big part of the question above has already been answered: "Use the calc tikzlibrary and the let syntax".
\begin{tikzpicture}
\draw [help lines] (0,0) grid (4,4);
\node (A) at (2,1) {A};
\path ...
- 17k
17
votes
2
answers
2k
views
Is there a better way to do intersections and calculations with relative coordinates in TikZ?
I've been doing many TikZ diagrams lately and every so often I encounter a situation where I am forced to use some temporary coordinate in a \path. In the following short example, the problem is ...
- 6,373
17
votes
2
answers
7k
views
Coordinates A, B: compute |B-A| and angle between +x and (B-A)
This question has two parts:
why is the angle computed always 0 (should be 45)
what is a straightforward way to compute distance between coordinates (there is How can I compute the distance between ...
- 3,033
47
votes
3
answers
20k
views
How can I compute the distance between two coordinates in TikZ?
Given two points (defined, for instance using nodes), I want to compute the distance between them.
Is there some build in functionality in tikz to do this?
If not, how can it be done using the ...
- 22.9k
39
votes
2
answers
29k
views
Problems with TikZ calculations
When can I use functions and do calculations in TikZ?
How do I make this work:
\draw (0,0) arc(0:90:sqrt(15)); %not ok
why is this working:
\draw (0,0) arc(0:asin(1):5); %ok
with \usetikzlibrary{...
- 43.2k