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TikZ is a higher-level drawing language built on top of the PGF graphics framework. For questions specifically about the PGF layer use {pgf-core} instead. Both tags are possible on the same question. The tag {diagrams} is also compatible with this tag.

5 votes
1 answer
1k views

Tikz: unit tangent vectors to a curve

I looked at many of the question here and on www.texample.net on how to construct tangent lines to a given point but I have no idea how to do this. Let's take a very simple example. \documentclass{a …
dustin's user avatar
  • 18.7k
4 votes
2 answers
2k views

TikZ: Drawing a line from the origin to the edge of a circle

How can I draw a line from the origin to the edge of circle? \documentclass{article} \usepackage{tikz} \usepackage{fp} \usetikzlibrary{calc, arrows, fixedpointarithmetic} \begin{document} \begin{tikz …
dustin's user avatar
  • 18.7k
5 votes
2 answers
4k views

Drawing a hyperbola of a certain eccentricity in TikZ

This question is a follow-up question to half of a hyperbola. When constructing a hyperbola in TikZ, how can I specify the eccentricity to be 1.44022?
dustin's user avatar
  • 18.7k
6 votes
2 answers
594 views

Tikz: connecting two vectors from the focus of an ellipse to the edge

I would like to draw 2 vectors from the focus to the an arbitrary point on the ellipse (not necessarily arbitrary but if I can see how to do that, I can pick my locations afterwards). The solid circl …
dustin's user avatar
  • 18.7k
9 votes
2 answers
4k views

PGFPlots: can a forced line break be added in the title command?

I have a some data plotted with pgfplots. I would like to make the title two lines. Can this be done? I tried adding \\ in the title command but that did nothing. Additionally, I couldn't find any …
dustin's user avatar
  • 18.7k
9 votes
1 answer
750 views

TikZ: When I use the draw let ... in command to draw a trivial arc, I get dimension too large

\documentclass[convert = false, border = 2cm]{standalone} \usepackage{tikz} \usetikzlibrary{calc, intersections} \begin{document} \begin{tikzpicture} \coordinate (O) at (0, 0); \begin{pgfinterru …
dustin's user avatar
  • 18.7k
5 votes
1 answer
174 views

TikZ: automatic line breaking in equal distances

Is there an elegant way to break an arc into n equal pieces? I am discussing the surface area of sphere in my document, SA = 2\pi r l. Therefore, I want to start from an arc with n (3, 4, or 5) line …
dustin's user avatar
  • 18.7k
22 votes
4 answers
10k views

line passing through a point and extending

What if I only want to extend the line 1cm in one direction but not the other? I found this on another post here from a year ago. \documentclass{article} \usepackage{tikz} \usetikzlibrary{calc} \beg …
dustin's user avatar
  • 18.7k
2 votes
0 answers
460 views

TikZ: Polar coordinates referencing system [duplicate]

Many times I like to use polar coordinates but the reference frame is always at the origin. This is a bother when I went to draw a specific angle and radius from a location other than the origin. I …
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  • 18.7k
12 votes
5 answers
2k views

TikZ: drawing a cart on the top of a loop

I am trying to draw a cart on top of a loop. I have a system where a cart rolls down an incline and encounters a loop. I then want to look at cart when it reaches the apex of the loop. The problem …
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  • 18.7k
6 votes
1 answer
4k views

TikZ: Drawing a curve using controls

\documentclass{article} \usepackage{tikz} \usepackage{fp} \usepackage{float} \usetikzlibrary{calc, arrows} \begin{document} \begin{figure*} \begin{tikzpicture}[fixed point arithmetic] \pgfmathsetmacro …
dustin's user avatar
  • 18.7k
3 votes
1 answer
417 views

TikZ: Adding a coordinate to parallel location of two lines

I would like to add a coordinate where a line parallel to my v\cos(\gamma) would be located if it started from point P7. I am not sure how to move those two lines to that location parallel to my origi …
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  • 18.7k
7 votes
2 answers
973 views

TikZ: surface of revolution of a hyperbolic trajectory

So I have no idea on how to construct a surface of revolution of a hyperbolic trajectory from a injection point. For simplicity, let's make the injection point (0, 0). Unfortunately, I don't know wh …
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  • 18.7k
5 votes
1 answer
3k views

TikZ: clipping and shade or fill drawing

I have re-written some code I wrote 3 months ago from here Filling between an ellipse and a line However, I cant fill in the smaller triangle no matter what I try. What I have tried so far is: \beg …
dustin's user avatar
  • 18.7k
4 votes
1 answer
577 views

Tikz: drawing an arc without using an angle

Can an arc be drawn without using an angle but two locations? \documentclass{article} \usepackage{tikz} \begin{document} \begin{tikzpicture} \pgfmathsetmacro{\a}{2.5} \pgfmathsetmacro{\b}{2} \p …
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  • 18.7k

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