MATLAB Answers

Plot on different tile during a loop

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Pin-Hao Cheng
Pin-Hao Cheng on 17 Nov 2020
Answered: Hrishikesh Borate on 20 Nov 2020
Hi all-
Similar to the question asked here, but mine was about plotting on different tiles during a loop.
If we are talking about plotting on different figure, I would just call the figure() command an input argument:
>> figure(1)
>> plot(1:10)
>> figure(2)
>> plot(2:11)
Any clue how could I do that in tiledlayout?
For example, I will have:
tiledlayout(2,2)
nexttile; % tile 1
plot(x,y1)
nexttile; % tile 2
plot(x,y2)
nexttile([1 2]); % tile 3
plot(x,y3)
Now I wish to go back to tile 1 and plot new stuff on it, is there anyway to do that? I have searched around but doesnt seem to have a solution out there.
Any help would be greatly appreaciated!

Answers (2)

Monisha Nalluru
Monisha Nalluru on 20 Nov 2020
Edited: Monisha Nalluru on 20 Nov 2020
nexttile is used to create axes in tilelayout.
So if we store the axes handles for each tile then we can plot new changes to existing tile by shifting to that axes handle using axes function.
As an example
tiledlayout(2,2);
[X,Y,Z] = peaks(20);
% Tile 1
a=nexttile;
surf(X,Y,Z);
% Tile 2
b=nexttile;
contour(X,Y,Z);
% Tile 3
c=nexttile;
imagesc(Z);
% Tile 4
d=nexttile;
plot3(X,Y,Z);
% change the plot of Tile 1
axes(a) % chaging the current axes handle to Tile 1 axes handle
plot([1:10]) % overwritng the existing plot
Hope this helps!

Hrishikesh Borate
Hrishikesh Borate on 20 Nov 2020
Hi,
I understand that you want to access a previous tile in a tiled layout and plot a graph at that tile. The syntax to access a particular tile is :-
nexttile(tile_location);
Following is the code when you want to go to first tile and plot a graph on top of existing plot.
nexttile(1)
hold on
plot(x, y);
hold off
Following is the code when you want to go to first tile and replace the previous plot / plot a new plot.
nexttile(1)
plot(x, y);
For more information, refer to nexttile.

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