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Difference between -| and |- in TikZ


Insertion of perpendicular symbol at intersection of two perpendicular linesTikZ: What EXACTLY does the the |- notation for arrows do?How to Mark Right Angle in TikzHow to add perpendicular symbol at desired locationHow to fix TikZ corners in 3DTweaking behaviour of tikz trees for Feynman diagramsTikZ: how to find the intersection of two extended lines?Right Angle Symbol Alignment with TikZ/CalcWhat's the difference between path and draw in Tikz?A display indicating the definition of the distance between a point and a line (using only TikZ)How filling angle symbol?TikZ: bad line caps at the intersectionsSmoothing out angles made up of different line widthsTikZ calculate in/out-angle from nodes













9















Based on this tutorial, I understand symbols -| and |- are used to draw perpendicular lines.



But I wish to understand the difference between the two.



There are the following related questions:



  1. Insertion of perpendicular symbol at intersection of two perpendicular lines

  2. How to add perpendicular symbol at desired location

  3. How to Mark Right Angle in Tikz

But none of them seem to use the approach of -| and |-.










share|improve this question

















  • 1





    tex.stackexchange.com/a/401429/121799

    – marmot
    yesterday















9















Based on this tutorial, I understand symbols -| and |- are used to draw perpendicular lines.



But I wish to understand the difference between the two.



There are the following related questions:



  1. Insertion of perpendicular symbol at intersection of two perpendicular lines

  2. How to add perpendicular symbol at desired location

  3. How to Mark Right Angle in Tikz

But none of them seem to use the approach of -| and |-.










share|improve this question

















  • 1





    tex.stackexchange.com/a/401429/121799

    – marmot
    yesterday













9












9








9


0






Based on this tutorial, I understand symbols -| and |- are used to draw perpendicular lines.



But I wish to understand the difference between the two.



There are the following related questions:



  1. Insertion of perpendicular symbol at intersection of two perpendicular lines

  2. How to add perpendicular symbol at desired location

  3. How to Mark Right Angle in Tikz

But none of them seem to use the approach of -| and |-.










share|improve this question














Based on this tutorial, I understand symbols -| and |- are used to draw perpendicular lines.



But I wish to understand the difference between the two.



There are the following related questions:



  1. Insertion of perpendicular symbol at intersection of two perpendicular lines

  2. How to add perpendicular symbol at desired location

  3. How to Mark Right Angle in Tikz

But none of them seem to use the approach of -| and |-.







tikz-pgf






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked yesterday









subham sonisubham soni

4,51983184




4,51983184







  • 1





    tex.stackexchange.com/a/401429/121799

    – marmot
    yesterday












  • 1





    tex.stackexchange.com/a/401429/121799

    – marmot
    yesterday







1




1





tex.stackexchange.com/a/401429/121799

– marmot
yesterday





tex.stackexchange.com/a/401429/121799

– marmot
yesterday










3 Answers
3






active

oldest

votes


















17














Understand it as it looks like:




  • -| is "horizontal line → vertical line":



    documentclass[tikz]standalone
    begindocument
    begintikzpicture
    draw (0,0) coordinate (1) node[below] $(0,0)$;
    draw (2,2) coordinate (2) node[above] $(2,2)$;
    draw (1) -| (2);
    % -------------
    draw (4,2) coordinate (x) node[above] $(3,2)$;
    draw (6,0) coordinate (y) node[below] $(5,0)$;
    draw (x) -| (y);
    endtikzpicture
    enddocument


    enter image description here



    Mathematically, (x,y) -| (a,b) and (x,y) -- (a,y) -- (a,b) are the same.




  • |- is "vertical line → horizontal line":



    documentclass[tikz]standalone
    begindocument
    begintikzpicture
    draw (0,0) coordinate (1) node[below] $(0,0)$;
    draw (2,2) coordinate (2) node[above] $(2,2)$;
    draw (1) |- (2);
    % -------------
    draw (4,2) coordinate (x) node[above] $(3,2)$;
    draw (6,0) coordinate (y) node[below] $(5,0)$;
    draw (x) |- (y);
    endtikzpicture
    enddocument


    enter image description here



    Mathematically, (x,y) |- (a,b) and (x,y) -- (x,b) -- (a,b) are the same.



They are clearly very different.






share|improve this answer
































    13














    I'd like to add to JouleV's answer another use of -| and |-.



    Given two nodes, A and B:



    • if you use (A |- B) you have a point with the x coordinate of A and the y coordinate of B

    • if you use (A -| B) you have a point with the x coordinate of B and the y coordinate of A.



    documentclassarticle
    usepackageamsmath
    usepackagetikz
    usetikzlibrarypositioning

    begindocument
    begintikzpicture
    node[draw] (A) A;
    node[draw, above right =4cm of A] (B) B;
    node[draw] at (A |- B) $x$ of A, $y$ of B;
    node[draw] at (A -| B) $x$ of B, $y$ of A;
    endtikzpicture
    enddocument


    enter image description here






    share|improve this answer




















    • 2





      You're welcome! I edited my answer to put x and y within $...$.

      – CarLaTeX
      20 hours ago


















    4














    PSTricks version for @CarLaTeX's explanation:




    • (A|-B) (TikZ) = (A|B) (PSTricks)


    • (A-|B) (TikZ) = (B|A) (PSTricks)





    share|improve this answer






















      Your Answer








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      3 Answers
      3






      active

      oldest

      votes








      3 Answers
      3






      active

      oldest

      votes









      active

      oldest

      votes






      active

      oldest

      votes









      17














      Understand it as it looks like:




      • -| is "horizontal line → vertical line":



        documentclass[tikz]standalone
        begindocument
        begintikzpicture
        draw (0,0) coordinate (1) node[below] $(0,0)$;
        draw (2,2) coordinate (2) node[above] $(2,2)$;
        draw (1) -| (2);
        % -------------
        draw (4,2) coordinate (x) node[above] $(3,2)$;
        draw (6,0) coordinate (y) node[below] $(5,0)$;
        draw (x) -| (y);
        endtikzpicture
        enddocument


        enter image description here



        Mathematically, (x,y) -| (a,b) and (x,y) -- (a,y) -- (a,b) are the same.




      • |- is "vertical line → horizontal line":



        documentclass[tikz]standalone
        begindocument
        begintikzpicture
        draw (0,0) coordinate (1) node[below] $(0,0)$;
        draw (2,2) coordinate (2) node[above] $(2,2)$;
        draw (1) |- (2);
        % -------------
        draw (4,2) coordinate (x) node[above] $(3,2)$;
        draw (6,0) coordinate (y) node[below] $(5,0)$;
        draw (x) |- (y);
        endtikzpicture
        enddocument


        enter image description here



        Mathematically, (x,y) |- (a,b) and (x,y) -- (x,b) -- (a,b) are the same.



      They are clearly very different.






      share|improve this answer





























        17














        Understand it as it looks like:




        • -| is "horizontal line → vertical line":



          documentclass[tikz]standalone
          begindocument
          begintikzpicture
          draw (0,0) coordinate (1) node[below] $(0,0)$;
          draw (2,2) coordinate (2) node[above] $(2,2)$;
          draw (1) -| (2);
          % -------------
          draw (4,2) coordinate (x) node[above] $(3,2)$;
          draw (6,0) coordinate (y) node[below] $(5,0)$;
          draw (x) -| (y);
          endtikzpicture
          enddocument


          enter image description here



          Mathematically, (x,y) -| (a,b) and (x,y) -- (a,y) -- (a,b) are the same.




        • |- is "vertical line → horizontal line":



          documentclass[tikz]standalone
          begindocument
          begintikzpicture
          draw (0,0) coordinate (1) node[below] $(0,0)$;
          draw (2,2) coordinate (2) node[above] $(2,2)$;
          draw (1) |- (2);
          % -------------
          draw (4,2) coordinate (x) node[above] $(3,2)$;
          draw (6,0) coordinate (y) node[below] $(5,0)$;
          draw (x) |- (y);
          endtikzpicture
          enddocument


          enter image description here



          Mathematically, (x,y) |- (a,b) and (x,y) -- (x,b) -- (a,b) are the same.



        They are clearly very different.






        share|improve this answer



























          17












          17








          17







          Understand it as it looks like:




          • -| is "horizontal line → vertical line":



            documentclass[tikz]standalone
            begindocument
            begintikzpicture
            draw (0,0) coordinate (1) node[below] $(0,0)$;
            draw (2,2) coordinate (2) node[above] $(2,2)$;
            draw (1) -| (2);
            % -------------
            draw (4,2) coordinate (x) node[above] $(3,2)$;
            draw (6,0) coordinate (y) node[below] $(5,0)$;
            draw (x) -| (y);
            endtikzpicture
            enddocument


            enter image description here



            Mathematically, (x,y) -| (a,b) and (x,y) -- (a,y) -- (a,b) are the same.




          • |- is "vertical line → horizontal line":



            documentclass[tikz]standalone
            begindocument
            begintikzpicture
            draw (0,0) coordinate (1) node[below] $(0,0)$;
            draw (2,2) coordinate (2) node[above] $(2,2)$;
            draw (1) |- (2);
            % -------------
            draw (4,2) coordinate (x) node[above] $(3,2)$;
            draw (6,0) coordinate (y) node[below] $(5,0)$;
            draw (x) |- (y);
            endtikzpicture
            enddocument


            enter image description here



            Mathematically, (x,y) |- (a,b) and (x,y) -- (x,b) -- (a,b) are the same.



          They are clearly very different.






          share|improve this answer















          Understand it as it looks like:




          • -| is "horizontal line → vertical line":



            documentclass[tikz]standalone
            begindocument
            begintikzpicture
            draw (0,0) coordinate (1) node[below] $(0,0)$;
            draw (2,2) coordinate (2) node[above] $(2,2)$;
            draw (1) -| (2);
            % -------------
            draw (4,2) coordinate (x) node[above] $(3,2)$;
            draw (6,0) coordinate (y) node[below] $(5,0)$;
            draw (x) -| (y);
            endtikzpicture
            enddocument


            enter image description here



            Mathematically, (x,y) -| (a,b) and (x,y) -- (a,y) -- (a,b) are the same.




          • |- is "vertical line → horizontal line":



            documentclass[tikz]standalone
            begindocument
            begintikzpicture
            draw (0,0) coordinate (1) node[below] $(0,0)$;
            draw (2,2) coordinate (2) node[above] $(2,2)$;
            draw (1) |- (2);
            % -------------
            draw (4,2) coordinate (x) node[above] $(3,2)$;
            draw (6,0) coordinate (y) node[below] $(5,0)$;
            draw (x) |- (y);
            endtikzpicture
            enddocument


            enter image description here



            Mathematically, (x,y) |- (a,b) and (x,y) -- (x,b) -- (a,b) are the same.



          They are clearly very different.







          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited 15 hours ago

























          answered yesterday









          JouleVJouleV

          7,89222053




          7,89222053





















              13














              I'd like to add to JouleV's answer another use of -| and |-.



              Given two nodes, A and B:



              • if you use (A |- B) you have a point with the x coordinate of A and the y coordinate of B

              • if you use (A -| B) you have a point with the x coordinate of B and the y coordinate of A.



              documentclassarticle
              usepackageamsmath
              usepackagetikz
              usetikzlibrarypositioning

              begindocument
              begintikzpicture
              node[draw] (A) A;
              node[draw, above right =4cm of A] (B) B;
              node[draw] at (A |- B) $x$ of A, $y$ of B;
              node[draw] at (A -| B) $x$ of B, $y$ of A;
              endtikzpicture
              enddocument


              enter image description here






              share|improve this answer




















              • 2





                You're welcome! I edited my answer to put x and y within $...$.

                – CarLaTeX
                20 hours ago















              13














              I'd like to add to JouleV's answer another use of -| and |-.



              Given two nodes, A and B:



              • if you use (A |- B) you have a point with the x coordinate of A and the y coordinate of B

              • if you use (A -| B) you have a point with the x coordinate of B and the y coordinate of A.



              documentclassarticle
              usepackageamsmath
              usepackagetikz
              usetikzlibrarypositioning

              begindocument
              begintikzpicture
              node[draw] (A) A;
              node[draw, above right =4cm of A] (B) B;
              node[draw] at (A |- B) $x$ of A, $y$ of B;
              node[draw] at (A -| B) $x$ of B, $y$ of A;
              endtikzpicture
              enddocument


              enter image description here






              share|improve this answer




















              • 2





                You're welcome! I edited my answer to put x and y within $...$.

                – CarLaTeX
                20 hours ago













              13












              13








              13







              I'd like to add to JouleV's answer another use of -| and |-.



              Given two nodes, A and B:



              • if you use (A |- B) you have a point with the x coordinate of A and the y coordinate of B

              • if you use (A -| B) you have a point with the x coordinate of B and the y coordinate of A.



              documentclassarticle
              usepackageamsmath
              usepackagetikz
              usetikzlibrarypositioning

              begindocument
              begintikzpicture
              node[draw] (A) A;
              node[draw, above right =4cm of A] (B) B;
              node[draw] at (A |- B) $x$ of A, $y$ of B;
              node[draw] at (A -| B) $x$ of B, $y$ of A;
              endtikzpicture
              enddocument


              enter image description here






              share|improve this answer















              I'd like to add to JouleV's answer another use of -| and |-.



              Given two nodes, A and B:



              • if you use (A |- B) you have a point with the x coordinate of A and the y coordinate of B

              • if you use (A -| B) you have a point with the x coordinate of B and the y coordinate of A.



              documentclassarticle
              usepackageamsmath
              usepackagetikz
              usetikzlibrarypositioning

              begindocument
              begintikzpicture
              node[draw] (A) A;
              node[draw, above right =4cm of A] (B) B;
              node[draw] at (A |- B) $x$ of A, $y$ of B;
              node[draw] at (A -| B) $x$ of B, $y$ of A;
              endtikzpicture
              enddocument


              enter image description here







              share|improve this answer














              share|improve this answer



              share|improve this answer








              edited 20 hours ago

























              answered yesterday









              CarLaTeXCarLaTeX

              34k551140




              34k551140







              • 2





                You're welcome! I edited my answer to put x and y within $...$.

                – CarLaTeX
                20 hours ago












              • 2





                You're welcome! I edited my answer to put x and y within $...$.

                – CarLaTeX
                20 hours ago







              2




              2





              You're welcome! I edited my answer to put x and y within $...$.

              – CarLaTeX
              20 hours ago





              You're welcome! I edited my answer to put x and y within $...$.

              – CarLaTeX
              20 hours ago











              4














              PSTricks version for @CarLaTeX's explanation:




              • (A|-B) (TikZ) = (A|B) (PSTricks)


              • (A-|B) (TikZ) = (B|A) (PSTricks)





              share|improve this answer



























                4














                PSTricks version for @CarLaTeX's explanation:




                • (A|-B) (TikZ) = (A|B) (PSTricks)


                • (A-|B) (TikZ) = (B|A) (PSTricks)





                share|improve this answer

























                  4












                  4








                  4







                  PSTricks version for @CarLaTeX's explanation:




                  • (A|-B) (TikZ) = (A|B) (PSTricks)


                  • (A-|B) (TikZ) = (B|A) (PSTricks)





                  share|improve this answer













                  PSTricks version for @CarLaTeX's explanation:




                  • (A|-B) (TikZ) = (A|B) (PSTricks)


                  • (A-|B) (TikZ) = (B|A) (PSTricks)






                  share|improve this answer












                  share|improve this answer



                  share|improve this answer










                  answered yesterday









                  The Inventor of GodThe Inventor of God

                  4,99611142




                  4,99611142



























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