11
votes
3answers
186 views

In a tikzpicture, how can I “shift” by a multiple of the current x-vector (say)?

Suppose that I have a tikzpicture begun like this: \begin{tikzpicture}[x = 20mm, y = 10mm] Now let us suppose that I want to put a subpart of the picture inside a "scope" environment and I want all ...
5
votes
1answer
181 views

Measuring TikZ leaves and using measurements to set sibling distance?

TL;DR Summary: Is there some way to measure the width of a leaf node and pass this measurement back up the tree to be used in setting sibling distance? (One might want to do a similar thing for ...
17
votes
3answers
588 views

Draw dimension of a line as a decoration in TikZ

Is it possible to define in TikZ a new decoration or something like that, such that it is possible to write something like: \draw[dim={text,above}] (A) -- (B); \draw[dim={text,below}] (C) -- (D); ...
7
votes
2answers
329 views

TikZ/PGF: Create a saved length as part of a shape definition

When I create a new shape using pgfdeclareshape, I want to be able to store a length for later reference. I might want to do simple arithmetic on this length later on. Here's a basic attempt: ...
5
votes
1answer
212 views

TikZ: How to compare approximate equality of dimensions?

When scaling tikzpicture using option scale, some points that had equal coordinates appear to be shifted a little bit. So the precise comparision \ifdim \y1 = \y2 will not do anymore. I'm aware of ...
28
votes
2answers
2k views

Dimensioning of a technical drawing in TikZ

Is there is an easy way to mark dimensions in a technical drawing with TikZ? Is there a library or something? Edit I am using xelatex. Update I chose Martin's answer because it serves me well for ...