13 questions linked to/from Tikz: joining points on a circle
2k views

### Color the faces of a graph

I want to modify the image (see code below) by shading in the regions formed by the dashed lines that contain a black dot. The goal is to obtain something like How can I shade these regions? ...
3k views

### TikZ: Drawing an arc from an intersection to an intersection

I want to draw an arc with a given radius from the point the arc intersects with a given circle to the point where the arc intersects with another circle. I have been reading through a lot of the TikZ ...
887 views

### Easiest way to fill the region defined by a number of paths

I have a number of paths, quad-circles in this case, which intersect to define a complex region in the middle of the graph. How do I fill the A - B - C - D region in the image below? I prefer a ...
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### Draw an ellipse from the two focus points (foci) and the sum of the distances from foci to border

I have two nodes that I want and foci and I know what the sum of the distances should be (a constant times the distance between the focus nodes). The way I know of drawing ellipses takes as ...
9k views

### Draw the proper angle arc

I am trying to draw an arc to indicate angle between y axis and r line, but I don't seem to achive it. My code is \documentclass[11pt,a4paper]{book} \usepackage{kerkis} %\usepackage{kmath} \...
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### TikZ - drawing multiple lines from the origin to the edge of an *arc*

I am trying to produce a diagram showing wavefronts/rays spherically diverging from some origin, and being paraxially rectified when contacting a lens with some controlled radius. What I want is ...
4k views

### tikz draw circle segment

How can I use tikz to draw a circle segment if I have the center of the circle and two points on it? Please see the following example Update: I try to accomplish something like this. This can be done ...
511 views

### Highlighting intersections

I would like to highlight the region C in the Euler diagram below. I tried to play around with fill opacity command, but I was not able to highlight C alone. Should I use the intersections libraries ...
639 views

### A Basic TikZ Drawing

I've not yet had enough experience drawing in TikZ to be able to do it quickly. I also find the manual a bit daunting -- though if I had time, I'm sure it does a fabulous job explaining everything I ...
537 views

### Extract a part of a path and reuse it as part of a new one

I want to draw the blue line part 1-2-3-1 filled and the blue line part 1-4-3 dashed. The definition of the blue line (EllA path) is made of computed nodes. I can't find intersection points during ...
269 views

### Draw an arc using radius and angles up to specific point

I have following code in TiKZ: \documentclass[border=.5cm]{standalone} \usepackage{tikz} \usetikzlibrary{positioning,calc,decorations.text} \begin{document} \begin{tikzpicture} \draw (0, 0) ...