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The order of intersections between a line and a circle with tkzInterLC (tkz-euclide)

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0

There may be two points of intersection between a line and a circle. How can we determine the order of the result given by the macro tkzInterLC?

Here is a simple example.

When A=(2,0), B=(-2,0), C=(0,1) and O=(0,0), tkzInterLC(A,B)(O,C) would give the two points of intersection (1,0) and (-1,0). But which would be retrieved by tkzGetFirstPoint and which would be retrieved by tkzGetSecondPoint?

I think similar situation also exists for tkzInterCC.

tkz-euclide

share|improve this question

asked 20 mins ago

YutaYuta

101

New contributor

Yuta is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Welcome to TeX-SE! If you were willing to use "plain" TikZ you could use the sort by key that comes with the intersections library.
  
  – marmot
  18 mins ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Welcome to TeX.SX!! Rather than posting code fragments it is better to give a full minimal working example. Currently we have to guess what packages etc you are using and this makes it really hard to help you. A MWE should start with a documentclass command, have a minimal preamble and then begin{document}...end{document}. The code should compile and be as small as possible to demonstrate your problem.
  
  – Andrew
  10 mins ago
  

  
  
  
  

add a comment | 

0

There may be two points of intersection between a line and a circle. How can we determine the order of the result given by the macro tkzInterLC?

Here is a simple example.

When A=(2,0), B=(-2,0), C=(0,1) and O=(0,0), tkzInterLC(A,B)(O,C) would give the two points of intersection (1,0) and (-1,0). But which would be retrieved by tkzGetFirstPoint and which would be retrieved by tkzGetSecondPoint?

I think similar situation also exists for tkzInterCC.

tkz-euclide

share|improve this question

asked 20 mins ago

YutaYuta

101

New contributor

Yuta is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Welcome to TeX-SE! If you were willing to use "plain" TikZ you could use the sort by key that comes with the intersections library.
  
  – marmot
  18 mins ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Welcome to TeX.SX!! Rather than posting code fragments it is better to give a full minimal working example. Currently we have to guess what packages etc you are using and this makes it really hard to help you. A MWE should start with a documentclass command, have a minimal preamble and then begin{document}...end{document}. The code should compile and be as small as possible to demonstrate your problem.
  
  – Andrew
  10 mins ago
  

  
  
  
  

add a comment | 

There may be two points of intersection between a line and a circle. How can we determine the order of the result given by the macro tkzInterLC?

Here is a simple example.

When A=(2,0), B=(-2,0), C=(0,1) and O=(0,0), tkzInterLC(A,B)(O,C) would give the two points of intersection (1,0) and (-1,0). But which would be retrieved by tkzGetFirstPoint and which would be retrieved by tkzGetSecondPoint?

I think similar situation also exists for tkzInterCC.

tkz-euclide

share|improve this question

asked 20 mins ago

YutaYuta

101

New contributor

Yuta is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

asked 20 mins ago

YutaYuta

101

New contributor

Yuta is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

asked 20 mins ago

YutaYuta

101

New contributor

Yuta is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 20 mins ago

YutaYuta

101

New contributor

Yuta is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 20 mins ago

YutaYuta

101