Plotting - Control Legend

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Cillian Hayde
Cillian Hayde il 16 Feb 2021
Risposto: Jemima Pulipati il 19 Feb 2021
Hi,
I have data coming in and I am plotting it.
Is there a way to preassign a legend so that the marker face colour is assigned to the condition it represents.
For instance, I would like the graph to be like the picture attached, but the legend to be there at the beginning of the plot and for the descriptions "Item X" to be fixed to the specified marker i.e.
  • Yellow = Item A
  • Magenta = Item D
etc
An example codeblock to test is provided below. It is based on what I have.
clf
MarkerFaceColor{1} = [1 1 0]; % YELLOW MarkerFaceColor is item A
MarkerFaceColor{2} = [1 1 1]; % White MarkerFaceColor is item B
MarkerFaceColor{3} = [0 1 0]; % Green MarkerFaceColor is item C
MarkerFaceColor{4} = [1 0 1]; % Magenta MarkerFaceColor is item D
Black = [0,0,0];
x = 1:1:10;
y = repelem(1,10);
Color = [1 3 4 2 2 3 1 4 3 3];
legend() %? MarkerFaceColor - Item X
for i = 1:1:10
pause(1)
plot(x(i),y(i),"Marker","o","MarkerEdgeColor",Black,"MarkerFaceColor",MarkerFaceColor{Color(i)},"MarkerSize",17)
legend()%? MarkerFaceColor - Item X
ylim([0 2])
hold on
end

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Jemima Pulipati
Jemima Pulipati il 19 Feb 2021

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R2020b

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