Change the legend of a Matlab figure











up vote
2
down vote

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I would like to change the legend style of the following picture generated in Matlab:



x1=-5;
x2=5;
y1=-5;
y2=5;
x = [x1, x2, x2, x1, x1];
y = [y1, y1, y2, y2, y1];
fill(x,y,'b')
legend('A')


enter image description here



As you can see the legend displays a blue rectangle. What I would like is a filled blue circle in place of the rectangle as if the picture was generated as a scatter plot. How can I obtain that?










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  • 2




    The answers that you got are good, but you might also want to take a look at legtools.
    – Dev-iL
    Nov 8 at 13:41















up vote
2
down vote

favorite












I would like to change the legend style of the following picture generated in Matlab:



x1=-5;
x2=5;
y1=-5;
y2=5;
x = [x1, x2, x2, x1, x1];
y = [y1, y1, y2, y2, y1];
fill(x,y,'b')
legend('A')


enter image description here



As you can see the legend displays a blue rectangle. What I would like is a filled blue circle in place of the rectangle as if the picture was generated as a scatter plot. How can I obtain that?










share|improve this question


















  • 2




    The answers that you got are good, but you might also want to take a look at legtools.
    – Dev-iL
    Nov 8 at 13:41













up vote
2
down vote

favorite









up vote
2
down vote

favorite











I would like to change the legend style of the following picture generated in Matlab:



x1=-5;
x2=5;
y1=-5;
y2=5;
x = [x1, x2, x2, x1, x1];
y = [y1, y1, y2, y2, y1];
fill(x,y,'b')
legend('A')


enter image description here



As you can see the legend displays a blue rectangle. What I would like is a filled blue circle in place of the rectangle as if the picture was generated as a scatter plot. How can I obtain that?










share|improve this question













I would like to change the legend style of the following picture generated in Matlab:



x1=-5;
x2=5;
y1=-5;
y2=5;
x = [x1, x2, x2, x1, x1];
y = [y1, y1, y2, y2, y1];
fill(x,y,'b')
legend('A')


enter image description here



As you can see the legend displays a blue rectangle. What I would like is a filled blue circle in place of the rectangle as if the picture was generated as a scatter plot. How can I obtain that?







matlab






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asked Nov 8 at 10:57









user3285148

601525




601525








  • 2




    The answers that you got are good, but you might also want to take a look at legtools.
    – Dev-iL
    Nov 8 at 13:41














  • 2




    The answers that you got are good, but you might also want to take a look at legtools.
    – Dev-iL
    Nov 8 at 13:41








2




2




The answers that you got are good, but you might also want to take a look at legtools.
– Dev-iL
Nov 8 at 13:41




The answers that you got are good, but you might also want to take a look at legtools.
– Dev-iL
Nov 8 at 13:41












2 Answers
2






active

oldest

votes

















up vote
3
down vote



accepted










I would suggest to add a fictive value with hold on; p = plot(NaN, NaN, 'b.', 'MarkerSize', 15); then legend this specific "fake" plot with: legend(p, 'A');



x1=-5;
x2=5;
y1=-5;
y2=5;
x = [x1, x2, x2, x1, x1];
y = [y1, y1, y2, y2, y1];
fill(x,y,'b');
hold on; p = plot(NaN, NaN, 'b.', 'MarkerSize', 15);
legend(p, 'A')


fill and legend






share|improve this answer






























    up vote
    3
    down vote













    @Bebs has a nice solution.



    Another suggest is to change directly the legend icon:



    [a,b] = legend('A');
    b(2).Xdata = sin(-pi:0.1:pi)/10+0.4; % you can play with numbers to set size and location of circle
    b(2).Ydata = cos(-pi:0.1:pi)/5+0.5;


    Now you can set some other properties:



    b(2).LineWidth = 1;         % thicker line
    b(2).FaceColor = [1 1 1]; % white fill
    b(2).EdgeColor = [0 0 1]; % blue edge


    enter image description here






    share|improve this answer





















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      2 Answers
      2






      active

      oldest

      votes








      2 Answers
      2






      active

      oldest

      votes









      active

      oldest

      votes






      active

      oldest

      votes








      up vote
      3
      down vote



      accepted










      I would suggest to add a fictive value with hold on; p = plot(NaN, NaN, 'b.', 'MarkerSize', 15); then legend this specific "fake" plot with: legend(p, 'A');



      x1=-5;
      x2=5;
      y1=-5;
      y2=5;
      x = [x1, x2, x2, x1, x1];
      y = [y1, y1, y2, y2, y1];
      fill(x,y,'b');
      hold on; p = plot(NaN, NaN, 'b.', 'MarkerSize', 15);
      legend(p, 'A')


      fill and legend






      share|improve this answer



























        up vote
        3
        down vote



        accepted










        I would suggest to add a fictive value with hold on; p = plot(NaN, NaN, 'b.', 'MarkerSize', 15); then legend this specific "fake" plot with: legend(p, 'A');



        x1=-5;
        x2=5;
        y1=-5;
        y2=5;
        x = [x1, x2, x2, x1, x1];
        y = [y1, y1, y2, y2, y1];
        fill(x,y,'b');
        hold on; p = plot(NaN, NaN, 'b.', 'MarkerSize', 15);
        legend(p, 'A')


        fill and legend






        share|improve this answer

























          up vote
          3
          down vote



          accepted







          up vote
          3
          down vote



          accepted






          I would suggest to add a fictive value with hold on; p = plot(NaN, NaN, 'b.', 'MarkerSize', 15); then legend this specific "fake" plot with: legend(p, 'A');



          x1=-5;
          x2=5;
          y1=-5;
          y2=5;
          x = [x1, x2, x2, x1, x1];
          y = [y1, y1, y2, y2, y1];
          fill(x,y,'b');
          hold on; p = plot(NaN, NaN, 'b.', 'MarkerSize', 15);
          legend(p, 'A')


          fill and legend






          share|improve this answer














          I would suggest to add a fictive value with hold on; p = plot(NaN, NaN, 'b.', 'MarkerSize', 15); then legend this specific "fake" plot with: legend(p, 'A');



          x1=-5;
          x2=5;
          y1=-5;
          y2=5;
          x = [x1, x2, x2, x1, x1];
          y = [y1, y1, y2, y2, y1];
          fill(x,y,'b');
          hold on; p = plot(NaN, NaN, 'b.', 'MarkerSize', 15);
          legend(p, 'A')


          fill and legend







          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited Nov 8 at 12:49

























          answered Nov 8 at 12:39









          Bebs

          5731923




          5731923
























              up vote
              3
              down vote













              @Bebs has a nice solution.



              Another suggest is to change directly the legend icon:



              [a,b] = legend('A');
              b(2).Xdata = sin(-pi:0.1:pi)/10+0.4; % you can play with numbers to set size and location of circle
              b(2).Ydata = cos(-pi:0.1:pi)/5+0.5;


              Now you can set some other properties:



              b(2).LineWidth = 1;         % thicker line
              b(2).FaceColor = [1 1 1]; % white fill
              b(2).EdgeColor = [0 0 1]; % blue edge


              enter image description here






              share|improve this answer

























                up vote
                3
                down vote













                @Bebs has a nice solution.



                Another suggest is to change directly the legend icon:



                [a,b] = legend('A');
                b(2).Xdata = sin(-pi:0.1:pi)/10+0.4; % you can play with numbers to set size and location of circle
                b(2).Ydata = cos(-pi:0.1:pi)/5+0.5;


                Now you can set some other properties:



                b(2).LineWidth = 1;         % thicker line
                b(2).FaceColor = [1 1 1]; % white fill
                b(2).EdgeColor = [0 0 1]; % blue edge


                enter image description here






                share|improve this answer























                  up vote
                  3
                  down vote










                  up vote
                  3
                  down vote









                  @Bebs has a nice solution.



                  Another suggest is to change directly the legend icon:



                  [a,b] = legend('A');
                  b(2).Xdata = sin(-pi:0.1:pi)/10+0.4; % you can play with numbers to set size and location of circle
                  b(2).Ydata = cos(-pi:0.1:pi)/5+0.5;


                  Now you can set some other properties:



                  b(2).LineWidth = 1;         % thicker line
                  b(2).FaceColor = [1 1 1]; % white fill
                  b(2).EdgeColor = [0 0 1]; % blue edge


                  enter image description here






                  share|improve this answer












                  @Bebs has a nice solution.



                  Another suggest is to change directly the legend icon:



                  [a,b] = legend('A');
                  b(2).Xdata = sin(-pi:0.1:pi)/10+0.4; % you can play with numbers to set size and location of circle
                  b(2).Ydata = cos(-pi:0.1:pi)/5+0.5;


                  Now you can set some other properties:



                  b(2).LineWidth = 1;         % thicker line
                  b(2).FaceColor = [1 1 1]; % white fill
                  b(2).EdgeColor = [0 0 1]; % blue edge


                  enter image description here







                  share|improve this answer












                  share|improve this answer



                  share|improve this answer










                  answered Nov 8 at 12:51









                  Adiel

                  2,657920




                  2,657920






























                       

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