# Questions tagged [coordinates]

{coordinates} is about using coordinates in {diagrams}.

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### tikz-3dplot: How can I recover the x,y,z components of a previously defined coordinate?

Specifically, in order to use the \tdplotsetcoord command to define coordinates and then use the \tdplotdefinepoints(Vx,Vy,Vz)(Ax,Ay,Az)(Bx,By,Bz) command that requires the x,y,z components of the ...
57 views

### Evaluate variables for positioning multiple times

Here is a working code (I'll describe it just after) : \documentclass[border=2pt]{standalone} \usepackage[utf8]{inputenc} \usepackage{graphics} \usepackage{tikz,pgfplots} \...
90 views

### Nested coordinate calculations

I have the following coordinate calculation \coordinate (a0) at ($(c1)!0.5!(c2)$); \coordinate (a1) at ($(c3 -| a0) + (1,3)$); \draw (a1) rectangle (b1); I wanted to eliminate the first coordinate ...
96 views

### Grid and label in a coordinate with a different angle betwenn the axis

I have drawn a coordinate with an angle of 30 degrees betwenn the x- and the y- axis like this: \documentclass[border=3mm,tikz]{standalone} \usetikzlibrary{arrows} \begin{document} \newcommand{\...
94 views

### Coordinate naming in custom Tikz package

I want to make my own Tikz library/package or just a set of commands for making hydraulic diagrams within the Tikz environment. Say I want to draw a valve like (b) with the notation for the nodes in (...
55 views

### How to know the coordinate for Tikz drawing? Is there a way to show the coordinates in Texmaker? Thank you

I have trouble in "estimating" the coordinates in an a0 size poster. How do I know the exact coordinate in the paper? Is there grid or ruler in Texmaker to help me? Thank you.
I don't know how those coordinates in brackets work. I mean, if I got $(a,b)$ it is like in Euclidean coordinates. But in below example I can't deduce how it works. \begin{tikzpicture}[scale=0.6] \...