How to add legend to the Figure?
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I have a plot for which I am trying add legends. I am trying to add the shaded rectangles as well in legend. Please note that the rectangles are object. But they are not appearing in the legend.
I have also added the part of my code for reference. How can I add legend for the rectangle with a small same color rectagle as symbol?
% plot data
h = figure;
plot(xWithTone,yWithTone,'Color',[0.9 0.7 0.1],'LineWidth',1);
hold on;
plot(xNormalized,yNormalized,'b','LineWidth',1);
plot(xNormalized(1),yNormalized(1),'go','MarkerSize',10,'LineWidth',2);
plot(xNormalized(end),yNormalized(end),'ro','MarkerSize',10,'LineWidth',2);
% set figure limit
maze = {'maze2','maze1','maze3','maze4'};
figureLimit = {{[-0.2 1.2],[-0.2 1.2]},{[-1.2 0.2],[-0.2 1.2]}, ...
{[-1.2 0.2],[-1.2 0.2]},{[-0.2 1.2],[-1.2 0.2]}};
% get the index in maze array
mazeIndex = find(ismember(maze,subject_data.mazenumber));
xlim(figureLimit{mazeIndex}{1}); ylim(figureLimit{mazeIndex}{2});
% create rectangles
switch mazeIndex
case 1
% Maze2 a.k.a 1st quadrant
% rectangles are denoted according to feeder numbers in this maze
r1 = rectangle('Position',[0.8 0 0.2 0.2],'EdgeColor','none', ...
'FaceColor',[0.3 0.3 0.3 0.3]);
r2 = rectangle('Position',[0 0 0.2 0.2],'EdgeColor','none', ...
'FaceColor',[0.3 0.3 0.3 0.3]);
r3 = rectangle('Position',[0 0.8 0.2 0.2],'EdgeColor','none', ...
'FaceColor',[0.3 0.3 0.3 0.3]);
r4 = rectangle('Position',[0.8 0.8 0.2 0.2],'EdgeColor','none', ...
'FaceColor',[0.3 0.3 0.3 0.3]);
r = [r1,r2,r3,r4];
set(r(subject_data.feeder),'FaceColor', [1 1 0 0.3]);
rectangle('Position',[0.25 0.25 0.5 0.5],'EdgeColor','none', ...
'FaceColor',[1 0 0 0.2]);
case 2
% Maze1 a.k.a 2nd quadrant
% rectangles are denoted according to feeder numbers in this maze
r1 = rectangle('Position',[-1 0.8 0.2 0.2],'EdgeColor','none', ...
'FaceColor',[0.3 0.3 0.3 0.3]);
r2 = rectangle('Position',[-1 0 0.2 0.2],'EdgeColor','none', ...
'FaceColor',[0.3 0.3 0.3 0.3]);
r3 = rectangle('Position',[-0.2 0 0.2 0.2],'EdgeColor','none', ...
'FaceColor',[0.3 0.3 0.3 0.3]);
r4 = rectangle('Position',[-0.2 0.8 0.2 0.2],'EdgeColor','none', ...
'FaceColor',[0.3 0.3 0.3 0.3]);
r = [r1,r2,r3,r4];
set(r(subject_data.feeder),'FaceColor', [1 1 0 0.3]);
rectangle('Position',[-0.75 0.25 0.5 0.5],'EdgeColor','none', ...
'FaceColor',[1 0 0 0.2]);
case 3
% Maze3 a.k.a 3rd quadrant
% rectangles are denoted according to feeder numbers in this maze
r1 = rectangle('Position',[-0.2 -1 0.2 0.2],'EdgeColor','none', ...
'FaceColor',[0.3 0.3 0.3 0.3]);
r2 = rectangle('Position',[-0.2 -0.2 0.2 0.2],'EdgeColor','none', ...
'FaceColor',[0.3 0.3 0.3 0.3]);
r3 = rectangle('Position',[-1 -0.2 0.2 0.2],'EdgeColor','none', ...
'FaceColor',[0.3 0.3 0.3 0.3]);
r4 = rectangle('Position',[-1 -1 0.2 0.2],'EdgeColor','none', ...
'FaceColor',[0.3 0.3 0.3 0.3]);
r = [r1,r2,r3,r4];
set(r(subject_data.feeder),'FaceColor', [1 1 0 0.3]);
rectangle('Position',[-0.75 -0.75 0.5 0.5],'EdgeColor','none', ...
'FaceColor',[1 0 0 0.2]);
legend({'feeders','offer','central zone'},'Location','northeastoutside');
case 4
% Maze4 a.k.a 4th quadrant
% rectangles are denoted according to feeder numbers in this maze
r1 = rectangle('Position',[0 -0.2 0.2 0.2],'EdgeColor','none', ...
'FaceColor',[0.3 0.3 0.3 0.3]);
r2 = rectangle('Position',[0.8 -0.2 0.2 0.2],'EdgeColor','none', ...
'FaceColor',[0.3 0.3 0.3 0.3]);
r3 = rectangle('Position',[0.8 -1 0.2 0.2],'EdgeColor','none', ...
'FaceColor',[0.3 0.3 0.3 0.3]);
r4 = rectangle('Position',[0 -1 0.2 0.2],'EdgeColor','none', ...
'FaceColor',[0.3 0.3 0.3 0.3]);
r = [r1,r2,r3,r4];
set(r(subject_data.feeder),'FaceColor', [1 1 0 0.3]);
rectangle('Position',[0.25 -0.75 0.5 0.5],'EdgeColor','none', ...
'FaceColor',[1 0 0 0.2]);
otherwise
warning('Unexpected maze number.')
end
% add legend
legend({'before trial tone','after trial tone','location at tone', ...
'final location','feeders','offer','central zone'}, ...
'Location','northeastoutside');
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