Top x axis' labels outside of figure

Question

carlos g 2020-12-27

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/703157-top-x-axis-labels-outside-of-figure

回答： Siddhant Desai 2022-5-19

The label of the top x axis appears outside of the figure, how can this be fixed?

Also, for some reason I don't understand, "hold on + plot()" doesn't work in this case, I would like to be able to plot a vertical line but this doesn't appear on the figure either

 figure1=figure(4)
    axes1 = axes('Parent',figure1,'YScale','log','XScale','log','Layer','top');
    grid(axes1,'on');
    hold(axes1,'on');
    [C,h]=contourf(peaks,[10],'LineColor','none');
    clabel(C,h);
    hold on %doesn't work
    plot([10 10],[0 10],'--k','LineWidth',2) %doesn't work
    axis tight;    
    axis([1 50 1 50]) 
    xlabel('\lambda_x','Fontsize',20);
    ylab=ylabel('y^+','Fontsize',20);
    grid off
    set(ylab, 'Units', 'Normalized', 'Position', [-0.1, 0.5, 0]);
    set(gca,'linewidth',1.5,'FontSize',16)
    colormap(flipud(gray(256)));
    colorbar;
    
    ax2 = axes('Position',axes1.Position,'YScale','log','XScale','log','XAxisLocation','top','YAxisLocation','right','Color','none','YTick',[]);
    xla2=xlabel(ax2,'\lambda_x^+','Fontsize',20);
    axis(ax2,[1*100 50*100 1*100 50*100]) 
    set(ax2,'linewidth',1.5,'FontSize',16)
    % Top x axis' label appears outside of figure
    

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Mischa Kim 2020-12-27

Carlos, how do you want the figure to look like? Is this for an app or a standalone figure?

carlos g 2020-12-27

Hi Mischa Kim, the figure is for a latex document, I guess the first problem can be solved by enlarging the figure by using a command (which I don't know) or making space on the top for the label. I have no idea about the second problem, though (hold on doesn't seem to work).

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Answer 1

Image Analyst 2020-12-27

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在 MATLAB Online 中打开

I've seen that before too, like when my title font size is too big. You can reduce the axes size to get it to fit by setting the 'InnerPosition', 'OuterPosition', or 'Position' property.

ax = gca
ax.units = 'normalized';
ax.Position = [0.1, 0.1, 0.7, 0.7]; % Adjust as needed to get the size and location correct.

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Image Analyst 2020-12-28

在 MATLAB Online 中打开

Try this. You might still have to play around with the OuterPosition property:

figure1=figure;
axes1 = axes('Parent',figure1,'YScale','log','XScale','log','Layer','top');
grid(axes1,'on');
hold(axes1,'on');
[C,h]=contourf(peaks,[10],'LineColor','none');
clabel(C,h);
hold on %doesn't work
plot([10 10],[0 10],'--k','LineWidth',2) %doesn't work
axis tight;
axis([1 50 1 50])
xlabel('\lambda_x','Fontsize',20);
ylab=ylabel('y^+','Fontsize',20);
grid off
set(ylab, 'Units', 'Normalized', 'Position', [-0.1, 0.5, 0]);
set(gca,'linewidth',1.5,'FontSize',16)
colormap(flipud(gray(256)));
colorbar;
ax1 = gca;
ax2 = axes('Position',axes1.Position,'YScale','log','XScale','log','XAxisLocation','top','YAxisLocation','right','Color','none','YTick',[]);
xla2=xlabel(ax2,'\lambda_x^+','Fontsize',20);
axis(ax2,[1*100 50*100 1*100 50*100])
set(ax2,'linewidth',1.5,'FontSize',16)
gf = gcf;
gf.WindowState = 'Maximized'
% Top x axis' label appears outside of figure
% so adjust both to shrink them.
ax1.Units = 'normalized';
ax1.OuterPosition = [0, 0, .75, .75];
ax2.Units = 'normalized';
ax2.OuterPosition = [0, 0, .75, .75];

carlos g 2020-12-28

编辑：carlos g 2020-12-28

在 MATLAB Online 中打开

No, it doesn't work because with OuterPosition I am able to shrink the axis but i can't control its position (by playing with the numbers the axis gets shrinked more or less but the position then changes).

Also, do you know why

hold on %doesn't work
plot([10 10],[0 10],'--k','LineWidth',2) %doesn't work

doesn't work?

Image Analyst 2020-12-28

I don't really know. I'm not going to experiment around with it anymore. Can you call tech support? They're open now.

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Answer 2

Siddhant Desai 2022-5-19

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/703157-top-x-axis-labels-outside-of-figure#answer_967405

I have faced a similar issue where the colorbar labels end up outside the plot area. I don't know how to automate the resizing so that everything fits and end up having to do it manually which is very cumbersome.