For questions about calculating intersections using {tikz-pgf} or {pgfplots}, including PGF's `intersections` library.

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20 views

Too many samples for intersection

I am trying to intersect a path with a curve in pgfplots. \documentclass{standalone} \usepackage{pgfplots} \pgfplotsset{compat=1.12} \usetikzlibrary{intersections} \begin{document} \begin{...
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15 views

3d projection on a line in Tikz-3d

I am trying to draw (in tikz-3d) a perpendicular from a point to a line that is not a coordinate axis. The question is how to find a projection of this point. I need some analog to tikz-euclide: \...
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0answers
60 views

Intersection segments are not as expected

I have a question about intersection segments in package pgfplots. I want to intersect circle (named mypath) with another circle and would like to draw the intersection segments L1,L2,L3 of the the ...
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46 views

Intersection of two extended lines in TikZ without having to draw them

This question is a follow up of TikZ: how to find the intersection of two extended lines? I have a moderately complicated TikZ graphic that shows the setup of an optical system. I need to calculate ...