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Adding a symbol to the top of a vertex in a connected tree


Pushout commutative diagramLining up edges of a tree with TikZTikZ-tree: edge-alignment in horizontal org-chartTikz tree and position of single leaf in binary treeHow to get the top of a tree to align with the example number and its bottom with the example text?Tree in forest using the style fairly nice empty nodes onDrawing a k-ary tree using TikZ without overlapAnimation of growing tree with forest packageOverlay of edges of a tree created with one commandCircling a collection of objects in a tree using xymatrix






.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;








2















I have a code for a tree



[
xymatrix@-1.25pc
*=bullet & &*=bullet &
frm\
&*=bulletar@-[lu] ar@-[ru]& &

]


which will produce this



complete_tree



as its output. However, I would like to number the top nodes as follows:



complete_tree-2



yet I would like the line segments to be connected to the center of the vertices. I tried replacing bullet with stackrelibullet
as follows:



[
xymatrix@-1.25pc
*=stackrel1bullet & &*=stackrel2bullet &
frm\
&*=bulletar@-[lu] ar@-[ru]& &

]


but the nodes are no longer connected to the edges:



complete-tree-3



which is not what I want.










share|improve this question
































    2















    I have a code for a tree



    [
    xymatrix@-1.25pc
    *=bullet & &*=bullet &
    frm\
    &*=bulletar@-[lu] ar@-[ru]& &

    ]


    which will produce this



    complete_tree



    as its output. However, I would like to number the top nodes as follows:



    complete_tree-2



    yet I would like the line segments to be connected to the center of the vertices. I tried replacing bullet with stackrelibullet
    as follows:



    [
    xymatrix@-1.25pc
    *=stackrel1bullet & &*=stackrel2bullet &
    frm\
    &*=bulletar@-[lu] ar@-[ru]& &

    ]


    but the nodes are no longer connected to the edges:



    complete-tree-3



    which is not what I want.










    share|improve this question




























      2












      2








      2








      I have a code for a tree



      [
      xymatrix@-1.25pc
      *=bullet & &*=bullet &
      frm\
      &*=bulletar@-[lu] ar@-[ru]& &

      ]


      which will produce this



      complete_tree



      as its output. However, I would like to number the top nodes as follows:



      complete_tree-2



      yet I would like the line segments to be connected to the center of the vertices. I tried replacing bullet with stackrelibullet
      as follows:



      [
      xymatrix@-1.25pc
      *=stackrel1bullet & &*=stackrel2bullet &
      frm\
      &*=bulletar@-[lu] ar@-[ru]& &

      ]


      but the nodes are no longer connected to the edges:



      complete-tree-3



      which is not what I want.










      share|improve this question
















      I have a code for a tree



      [
      xymatrix@-1.25pc
      *=bullet & &*=bullet &
      frm\
      &*=bulletar@-[lu] ar@-[ru]& &

      ]


      which will produce this



      complete_tree



      as its output. However, I would like to number the top nodes as follows:



      complete_tree-2



      yet I would like the line segments to be connected to the center of the vertices. I tried replacing bullet with stackrelibullet
      as follows:



      [
      xymatrix@-1.25pc
      *=stackrel1bullet & &*=stackrel2bullet &
      frm\
      &*=bulletar@-[lu] ar@-[ru]& &

      ]


      but the nodes are no longer connected to the edges:



      complete-tree-3



      which is not what I want.







      trees xy-pic xymatrix






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited 2 hours ago









      Alan Munn

      169k30 gold badges441 silver badges730 bronze badges




      169k30 gold badges441 silver badges730 bronze badges










      asked 9 hours ago









      Mee Seong ImMee Seong Im

      1426 bronze badges




      1426 bronze badges























          2 Answers
          2






          active

          oldest

          votes


















          3
















          A solution with TiKz. (I never used the xy package).



          documentclass[margin=3mm]standalone
          usepackagetikz
          tikzset%
          pics/bullet/.style args=#1,#2
          code=
          node at (0,1) [draw,circle,fill,minimum size=2mm,inner sep=0pt,label=$#1$](#1);
          node at (2,1) [draw,circle,fill,minimum size=2mm,inner sep=0pt,,label=$#2$](#2);
          node at (1,0) [draw,circle,fill,minimum size=2mm,inner sep=0pt](bb);
          draw (bb)--(#1) (bb)--(#2);

          begindocument

          begintikzpicture
          pic at (0,0) bullet=1,2;
          pic at (3,0) bullet=3,4;
          endtikzpicture

          enddocument


          enter image description here






          share|improve this answer




















          • 2





            I have leaved the question because I have thinked that the best solution was TikZ. Very good.

            – Sebastiano
            7 hours ago






          • 2





            @Sebastiano, thank you.

            – ferahfeza
            7 hours ago






          • 1





            :o) it is necessary, for me, many time to create with xy package to give an answer. But with xy package it is possible to draw two trees.

            – Sebastiano
            6 hours ago



















          3
















          The XY syntax is quite concise and powerful, but it takes some getting used to. But it's easy to add the labels relative to the position of the bullet using the save and restore function of XY. See my answer to Pushout commutative diagram for a detailed explanation of how that works.



          documentclassarticle
          usepackage[all]xy
          begindocument

          [
          xymatrix@-1.25pc
          *=bulletsave+<0ex,2ex>*=1restore & &*=bulletsave+<0ex,2ex>*=2restore&
          frm\
          &*=bulletar@-[lu] ar@-[ru]& &

          ]
          enddocument


          output of code






          share|improve this answer



























            Your Answer








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            2 Answers
            2






            active

            oldest

            votes








            2 Answers
            2






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            3
















            A solution with TiKz. (I never used the xy package).



            documentclass[margin=3mm]standalone
            usepackagetikz
            tikzset%
            pics/bullet/.style args=#1,#2
            code=
            node at (0,1) [draw,circle,fill,minimum size=2mm,inner sep=0pt,label=$#1$](#1);
            node at (2,1) [draw,circle,fill,minimum size=2mm,inner sep=0pt,,label=$#2$](#2);
            node at (1,0) [draw,circle,fill,minimum size=2mm,inner sep=0pt](bb);
            draw (bb)--(#1) (bb)--(#2);

            begindocument

            begintikzpicture
            pic at (0,0) bullet=1,2;
            pic at (3,0) bullet=3,4;
            endtikzpicture

            enddocument


            enter image description here






            share|improve this answer




















            • 2





              I have leaved the question because I have thinked that the best solution was TikZ. Very good.

              – Sebastiano
              7 hours ago






            • 2





              @Sebastiano, thank you.

              – ferahfeza
              7 hours ago






            • 1





              :o) it is necessary, for me, many time to create with xy package to give an answer. But with xy package it is possible to draw two trees.

              – Sebastiano
              6 hours ago
















            3
















            A solution with TiKz. (I never used the xy package).



            documentclass[margin=3mm]standalone
            usepackagetikz
            tikzset%
            pics/bullet/.style args=#1,#2
            code=
            node at (0,1) [draw,circle,fill,minimum size=2mm,inner sep=0pt,label=$#1$](#1);
            node at (2,1) [draw,circle,fill,minimum size=2mm,inner sep=0pt,,label=$#2$](#2);
            node at (1,0) [draw,circle,fill,minimum size=2mm,inner sep=0pt](bb);
            draw (bb)--(#1) (bb)--(#2);

            begindocument

            begintikzpicture
            pic at (0,0) bullet=1,2;
            pic at (3,0) bullet=3,4;
            endtikzpicture

            enddocument


            enter image description here






            share|improve this answer




















            • 2





              I have leaved the question because I have thinked that the best solution was TikZ. Very good.

              – Sebastiano
              7 hours ago






            • 2





              @Sebastiano, thank you.

              – ferahfeza
              7 hours ago






            • 1





              :o) it is necessary, for me, many time to create with xy package to give an answer. But with xy package it is possible to draw two trees.

              – Sebastiano
              6 hours ago














            3














            3










            3









            A solution with TiKz. (I never used the xy package).



            documentclass[margin=3mm]standalone
            usepackagetikz
            tikzset%
            pics/bullet/.style args=#1,#2
            code=
            node at (0,1) [draw,circle,fill,minimum size=2mm,inner sep=0pt,label=$#1$](#1);
            node at (2,1) [draw,circle,fill,minimum size=2mm,inner sep=0pt,,label=$#2$](#2);
            node at (1,0) [draw,circle,fill,minimum size=2mm,inner sep=0pt](bb);
            draw (bb)--(#1) (bb)--(#2);

            begindocument

            begintikzpicture
            pic at (0,0) bullet=1,2;
            pic at (3,0) bullet=3,4;
            endtikzpicture

            enddocument


            enter image description here






            share|improve this answer













            A solution with TiKz. (I never used the xy package).



            documentclass[margin=3mm]standalone
            usepackagetikz
            tikzset%
            pics/bullet/.style args=#1,#2
            code=
            node at (0,1) [draw,circle,fill,minimum size=2mm,inner sep=0pt,label=$#1$](#1);
            node at (2,1) [draw,circle,fill,minimum size=2mm,inner sep=0pt,,label=$#2$](#2);
            node at (1,0) [draw,circle,fill,minimum size=2mm,inner sep=0pt](bb);
            draw (bb)--(#1) (bb)--(#2);

            begindocument

            begintikzpicture
            pic at (0,0) bullet=1,2;
            pic at (3,0) bullet=3,4;
            endtikzpicture

            enddocument


            enter image description here







            share|improve this answer












            share|improve this answer



            share|improve this answer










            answered 7 hours ago









            ferahfezaferahfeza

            10.6k1 gold badge21 silver badges42 bronze badges




            10.6k1 gold badge21 silver badges42 bronze badges










            • 2





              I have leaved the question because I have thinked that the best solution was TikZ. Very good.

              – Sebastiano
              7 hours ago






            • 2





              @Sebastiano, thank you.

              – ferahfeza
              7 hours ago






            • 1





              :o) it is necessary, for me, many time to create with xy package to give an answer. But with xy package it is possible to draw two trees.

              – Sebastiano
              6 hours ago













            • 2





              I have leaved the question because I have thinked that the best solution was TikZ. Very good.

              – Sebastiano
              7 hours ago






            • 2





              @Sebastiano, thank you.

              – ferahfeza
              7 hours ago






            • 1





              :o) it is necessary, for me, many time to create with xy package to give an answer. But with xy package it is possible to draw two trees.

              – Sebastiano
              6 hours ago








            2




            2





            I have leaved the question because I have thinked that the best solution was TikZ. Very good.

            – Sebastiano
            7 hours ago





            I have leaved the question because I have thinked that the best solution was TikZ. Very good.

            – Sebastiano
            7 hours ago




            2




            2





            @Sebastiano, thank you.

            – ferahfeza
            7 hours ago





            @Sebastiano, thank you.

            – ferahfeza
            7 hours ago




            1




            1





            :o) it is necessary, for me, many time to create with xy package to give an answer. But with xy package it is possible to draw two trees.

            – Sebastiano
            6 hours ago






            :o) it is necessary, for me, many time to create with xy package to give an answer. But with xy package it is possible to draw two trees.

            – Sebastiano
            6 hours ago














            3
















            The XY syntax is quite concise and powerful, but it takes some getting used to. But it's easy to add the labels relative to the position of the bullet using the save and restore function of XY. See my answer to Pushout commutative diagram for a detailed explanation of how that works.



            documentclassarticle
            usepackage[all]xy
            begindocument

            [
            xymatrix@-1.25pc
            *=bulletsave+<0ex,2ex>*=1restore & &*=bulletsave+<0ex,2ex>*=2restore&
            frm\
            &*=bulletar@-[lu] ar@-[ru]& &

            ]
            enddocument


            output of code






            share|improve this answer





























              3
















              The XY syntax is quite concise and powerful, but it takes some getting used to. But it's easy to add the labels relative to the position of the bullet using the save and restore function of XY. See my answer to Pushout commutative diagram for a detailed explanation of how that works.



              documentclassarticle
              usepackage[all]xy
              begindocument

              [
              xymatrix@-1.25pc
              *=bulletsave+<0ex,2ex>*=1restore & &*=bulletsave+<0ex,2ex>*=2restore&
              frm\
              &*=bulletar@-[lu] ar@-[ru]& &

              ]
              enddocument


              output of code






              share|improve this answer



























                3














                3










                3









                The XY syntax is quite concise and powerful, but it takes some getting used to. But it's easy to add the labels relative to the position of the bullet using the save and restore function of XY. See my answer to Pushout commutative diagram for a detailed explanation of how that works.



                documentclassarticle
                usepackage[all]xy
                begindocument

                [
                xymatrix@-1.25pc
                *=bulletsave+<0ex,2ex>*=1restore & &*=bulletsave+<0ex,2ex>*=2restore&
                frm\
                &*=bulletar@-[lu] ar@-[ru]& &

                ]
                enddocument


                output of code






                share|improve this answer













                The XY syntax is quite concise and powerful, but it takes some getting used to. But it's easy to add the labels relative to the position of the bullet using the save and restore function of XY. See my answer to Pushout commutative diagram for a detailed explanation of how that works.



                documentclassarticle
                usepackage[all]xy
                begindocument

                [
                xymatrix@-1.25pc
                *=bulletsave+<0ex,2ex>*=1restore & &*=bulletsave+<0ex,2ex>*=2restore&
                frm\
                &*=bulletar@-[lu] ar@-[ru]& &

                ]
                enddocument


                output of code







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered 2 hours ago









                Alan MunnAlan Munn

                169k30 gold badges441 silver badges730 bronze badges




                169k30 gold badges441 silver badges730 bronze badges































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