Why colorbar label is always beyond the limits of the figure?
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Luis Jesús Olvera Lazcano
le 9 Sep 2023
Commenté : Adam Danz
le 12 Sep 2023
Im dealing with the problem in a subplot figure. I put only one colorbar for all the subplots, nevertheless, when I try to put the label of the colorbar (i.e. units) it always goes away, doesnt fit completely in the image. Even when I save the .png image, the colorbar label is incomplete, as it goes beyond the limits.
Is there a way to improve that?
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Shoresh Shokoohi
le 9 Sep 2023
You can adjust the colorbar's position and label properties to ensure that the label fits within the limits of your subplot figure. Here's how you can do it:
```matlab
% Create a sample subplot figure
figure;
% Create some sample data for the subplot
data = rand(10);
% Create a subplot
subplot(1, 2, 1);
imagesc(data);
title('Subplot 1');
% Create another subplot
subplot(1, 2, 2);
imagesc(data);
title('Subplot 2');
% Add a colorbar that spans both subplots
colorbar;
% Adjust the colorbar label
h = findobj(gcf, 'Type', 'colorbar');
set(get(h, 'Title'), 'String', 'Units', 'Interpreter', 'none');
% Adjust the position of the colorbar (optional)
set(h, 'Position', [0.93, 0.1, 0.02, 0.8]); % [x, y, width, height]
% Ensure the colorbar label fits within the subplot
set(h, 'FontSize', 10); % Adjust the font size as needed
```
In this MATLAB example, we create a figure with two subplots and add a colorbar that spans both subplots. We then adjust the colorbar label using `set(get(h, 'Title'), 'String', 'Units', 'Interpreter', 'none')`, where `h` is the handle to the colorbar. Additionally, you can adjust the position of the colorbar using `set(h, 'Position', [x, y, width, height])`, where `[x, y, width, height]` defines the colorbar's position and size within the figure.
Finally, we ensure the colorbar label fits within the subplot by adjusting the font size with `set(h, 'FontSize', 10)`. You can change the font size to fit your specific needs.
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Adam Danz
le 9 Sep 2023
Modifié(e) : Adam Danz
le 11 Sep 2023
> I put only one colorbar for all the subplots...
I suggest using tiledlayout instead of subplot. It handles legends and colorbars much more gracefully and will avoid the problem you're describing.
tcl = tiledlayout(2,2);
ax1 = nexttile();
surf(peaks)
ax2 = nexttile();
contour(peaks)
ax3 = nexttile();
imagesc(peaks)
ax4 = nexttile();
mesh(peaks)
tcl.UserData = linkprop([ax1,ax2,ax3,ax4],'clim'); % equate color limits for all axes
cb = colorbar();
cb.Layout.Tile = 'East'; % Place global colorbar
ylabel(cb, 'units')
2 commentaires
Adam Danz
le 12 Sep 2023
For reference, a loop version would look something like this,
figure();
tcl = tiledlayout('flow','Padding','compact','TileSpacing','compact');
n = 20;
ax = gobjects(1,n);
for i = 1:20
ax(i) = nexttile();
imagesc(magic(randi(50)));
title(num2str(i))
end
tcl.UserData = linkprop(ax,'clim'); % equate color limits for all axes
cb = colorbar();
cb.Layout.Tile = 'East'; % Place global colorbar
ylabel(cb, 'units')
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