6
votes
1answer
178 views

Number of intersection points

In this examle from pgfmanual p 132, how to use \t the number of intersections point outside \fill command. I tried \def\Nb{\t} but it dosen't work. \begin{tikzpicture} \clip (-2,-2) rectangle (2,2); ...
5
votes
1answer
143 views

Use a part of a path to make a cycle

I have two pathes the firt is to be fully drawed, but only a part of the second using intersection point with the first. Here an example: I want to draw only the upper part of the square (dashed) as ...
4
votes
3answers
485 views

How to scale and clip a path at the same time?

Again, i started a question here, and i found the solution. But i think this method maybe useful for others. The problem: i exported the TikZ code of one path from Inkscape; then, i wanted to use it ...
11
votes
4answers
1k views

TikZ: complicated paths, e.g. for complex integrals

I would like to illustrate lecture notes on complex analysis, which by its nature is a lot about how the lines of integration are running through the complex plane. However, I'm having trouble finding ...