Tikz diagrams and node placements












3















I'm designing a diagram for a 1-D potential well. I'm struggling to correctly place my a label below the right hand line. I resorted to drawing an invisible line and positioning the node at the end. Further to this, how do I add grey shading to the area outside of the red lines?



Cheers



documentclass[tikz,border=3.14mm]{standalone} 
begin{document}
begin{tikzpicture}
draw[-stealth] (-0.5,0) -- (pi,0) node[right]{(x)};
draw[-stealth] (0,-0.5) -- (0,4) node[above]{(V(x))};
draw[thick, red, ->, >=stealth] (0,0) -- (0,3) node[left, blue]{()};
draw[thick, red,->, >=stealth] (2.5,0) -- (2.5,3);
% node[draw] at (2.5,-0.2) node[right, black]{(a)};
draw[line width=0pt] (0,0) -- (2.5,0) node[below, black]{(a)};
end{tikzpicture}
end{document}









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    3















    I'm designing a diagram for a 1-D potential well. I'm struggling to correctly place my a label below the right hand line. I resorted to drawing an invisible line and positioning the node at the end. Further to this, how do I add grey shading to the area outside of the red lines?



    Cheers



    documentclass[tikz,border=3.14mm]{standalone} 
    begin{document}
    begin{tikzpicture}
    draw[-stealth] (-0.5,0) -- (pi,0) node[right]{(x)};
    draw[-stealth] (0,-0.5) -- (0,4) node[above]{(V(x))};
    draw[thick, red, ->, >=stealth] (0,0) -- (0,3) node[left, blue]{()};
    draw[thick, red,->, >=stealth] (2.5,0) -- (2.5,3);
    % node[draw] at (2.5,-0.2) node[right, black]{(a)};
    draw[line width=0pt] (0,0) -- (2.5,0) node[below, black]{(a)};
    end{tikzpicture}
    end{document}









    share|improve this question

























      3












      3








      3


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      I'm designing a diagram for a 1-D potential well. I'm struggling to correctly place my a label below the right hand line. I resorted to drawing an invisible line and positioning the node at the end. Further to this, how do I add grey shading to the area outside of the red lines?



      Cheers



      documentclass[tikz,border=3.14mm]{standalone} 
      begin{document}
      begin{tikzpicture}
      draw[-stealth] (-0.5,0) -- (pi,0) node[right]{(x)};
      draw[-stealth] (0,-0.5) -- (0,4) node[above]{(V(x))};
      draw[thick, red, ->, >=stealth] (0,0) -- (0,3) node[left, blue]{()};
      draw[thick, red,->, >=stealth] (2.5,0) -- (2.5,3);
      % node[draw] at (2.5,-0.2) node[right, black]{(a)};
      draw[line width=0pt] (0,0) -- (2.5,0) node[below, black]{(a)};
      end{tikzpicture}
      end{document}









      share|improve this question














      I'm designing a diagram for a 1-D potential well. I'm struggling to correctly place my a label below the right hand line. I resorted to drawing an invisible line and positioning the node at the end. Further to this, how do I add grey shading to the area outside of the red lines?



      Cheers



      documentclass[tikz,border=3.14mm]{standalone} 
      begin{document}
      begin{tikzpicture}
      draw[-stealth] (-0.5,0) -- (pi,0) node[right]{(x)};
      draw[-stealth] (0,-0.5) -- (0,4) node[above]{(V(x))};
      draw[thick, red, ->, >=stealth] (0,0) -- (0,3) node[left, blue]{()};
      draw[thick, red,->, >=stealth] (2.5,0) -- (2.5,3);
      % node[draw] at (2.5,-0.2) node[right, black]{(a)};
      draw[line width=0pt] (0,0) -- (2.5,0) node[below, black]{(a)};
      end{tikzpicture}
      end{document}






      tikz-pgf nodes shading






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      asked Mar 16 at 13:12









      H98H98

      302




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          1 Answer
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          Like this



          documentclass[tikz,border=3.14mm]{standalone} 
          begin{document}
          begin{tikzpicture}
          fill[gray!50] (-.5,-.5) rectangle (pi,4);
          fill[white] (0,0) rectangle (2.5,3);
          draw[-stealth] (-0.5,0) -- (pi,0) node[right]{(x)};
          draw[-stealth] (0,-0.5) -- (0,4) node[above]{(V(x))};
          draw[thick, red, ->, >=stealth] (0,0) -- (0,3) node[left, blue]{(x)};
          draw[thick, red,->, >=stealth] (2.5,0) node[below,black] {$a$} -- (2.5,3);
          end{tikzpicture}
          end{document}


          enter image description here



          Note that if you want to draw an invisible line, you should not use line width=0pt, because it is still greater that zero. Use path instead (in fact draw and path[draw] are the same):



          path (0,0) -- (2.5,0) node[below, black]{(a)};





          share|improve this answer

























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            1 Answer
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            1 Answer
            1






            active

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            active

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            4














            Like this



            documentclass[tikz,border=3.14mm]{standalone} 
            begin{document}
            begin{tikzpicture}
            fill[gray!50] (-.5,-.5) rectangle (pi,4);
            fill[white] (0,0) rectangle (2.5,3);
            draw[-stealth] (-0.5,0) -- (pi,0) node[right]{(x)};
            draw[-stealth] (0,-0.5) -- (0,4) node[above]{(V(x))};
            draw[thick, red, ->, >=stealth] (0,0) -- (0,3) node[left, blue]{(x)};
            draw[thick, red,->, >=stealth] (2.5,0) node[below,black] {$a$} -- (2.5,3);
            end{tikzpicture}
            end{document}


            enter image description here



            Note that if you want to draw an invisible line, you should not use line width=0pt, because it is still greater that zero. Use path instead (in fact draw and path[draw] are the same):



            path (0,0) -- (2.5,0) node[below, black]{(a)};





            share|improve this answer






























              4














              Like this



              documentclass[tikz,border=3.14mm]{standalone} 
              begin{document}
              begin{tikzpicture}
              fill[gray!50] (-.5,-.5) rectangle (pi,4);
              fill[white] (0,0) rectangle (2.5,3);
              draw[-stealth] (-0.5,0) -- (pi,0) node[right]{(x)};
              draw[-stealth] (0,-0.5) -- (0,4) node[above]{(V(x))};
              draw[thick, red, ->, >=stealth] (0,0) -- (0,3) node[left, blue]{(x)};
              draw[thick, red,->, >=stealth] (2.5,0) node[below,black] {$a$} -- (2.5,3);
              end{tikzpicture}
              end{document}


              enter image description here



              Note that if you want to draw an invisible line, you should not use line width=0pt, because it is still greater that zero. Use path instead (in fact draw and path[draw] are the same):



              path (0,0) -- (2.5,0) node[below, black]{(a)};





              share|improve this answer




























                4












                4








                4







                Like this



                documentclass[tikz,border=3.14mm]{standalone} 
                begin{document}
                begin{tikzpicture}
                fill[gray!50] (-.5,-.5) rectangle (pi,4);
                fill[white] (0,0) rectangle (2.5,3);
                draw[-stealth] (-0.5,0) -- (pi,0) node[right]{(x)};
                draw[-stealth] (0,-0.5) -- (0,4) node[above]{(V(x))};
                draw[thick, red, ->, >=stealth] (0,0) -- (0,3) node[left, blue]{(x)};
                draw[thick, red,->, >=stealth] (2.5,0) node[below,black] {$a$} -- (2.5,3);
                end{tikzpicture}
                end{document}


                enter image description here



                Note that if you want to draw an invisible line, you should not use line width=0pt, because it is still greater that zero. Use path instead (in fact draw and path[draw] are the same):



                path (0,0) -- (2.5,0) node[below, black]{(a)};





                share|improve this answer















                Like this



                documentclass[tikz,border=3.14mm]{standalone} 
                begin{document}
                begin{tikzpicture}
                fill[gray!50] (-.5,-.5) rectangle (pi,4);
                fill[white] (0,0) rectangle (2.5,3);
                draw[-stealth] (-0.5,0) -- (pi,0) node[right]{(x)};
                draw[-stealth] (0,-0.5) -- (0,4) node[above]{(V(x))};
                draw[thick, red, ->, >=stealth] (0,0) -- (0,3) node[left, blue]{(x)};
                draw[thick, red,->, >=stealth] (2.5,0) node[below,black] {$a$} -- (2.5,3);
                end{tikzpicture}
                end{document}


                enter image description here



                Note that if you want to draw an invisible line, you should not use line width=0pt, because it is still greater that zero. Use path instead (in fact draw and path[draw] are the same):



                path (0,0) -- (2.5,0) node[below, black]{(a)};






                share|improve this answer














                share|improve this answer



                share|improve this answer








                edited Mar 16 at 13:40

























                answered Mar 16 at 13:28









                JouleVJouleV

                7,89222053




                7,89222053






























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