Avoid overlapping xline labels

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Daniel Rowe 2022-2-20

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1654115-avoid-overlapping-xline-labels

评论： Star Strider 2022-2-23

采纳的回答： Star Strider

corr.mat

Hi,

I'm trying to avoid overlapping xline labels. My code below attempts to identify the mean x,y and z components of the attached dataset 'corr'. Clearly I can play with the horizontal alignment command, but as I have multiple datasets with varying mean 'corr' values, I would prefer a more robust means of avoiding overlap, e.g. a slight vertical offset between the mean values (the 'LabelVerticalAlignment' command only offers limited options: top, middle and bottom - I would prefer all the labels to be positioned near the top of the graph, i.e. above the histogram, and avoiding any overlap). How would I achieve this?

Thanks

Here is my code.

% Plot correlation histogram

h = figure(2);

corr_bar = mean(corr(:,1:3));

for i = 1:3

H = histogram(corr(:,i:3),'FaceAlpha',0.4,'edgecolor','none');

H_max(i) = max(H.Values);

x = xline(corr_bar(i),':',sprintf('%c',V_i{i}),'LabelHorizontalAlignment',pos_h{i},'LineWidth',.5,'Color','b','HandleVisibility','off','interpreter','latex'); %sprintf('%c = %0.2f',V_i{i},round(corr_bar(i)*100)/100')

x.LabelHorizontalAlignment = 'center';

hold on

end

xlim([65 100])

ylim([0 max(H_max)*1.1])

xlabel('Correlation (\%)','interpreter','latex')

ylabel('Frequency (-)','interpreter','latex')

xline(70,'-.','Threshold','LineWidth',1,'Color','b','interpreter','latex')

legend('\it{u}','\it{v}','\it{w}','Location','southeast')

set(gca,'FontSize',12)

set(legend,'FontSize',12)

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采纳的回答

Star Strider 2022-2-20

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1654115-avoid-overlapping-xline-labels#answer_900345

在 MATLAB Online 中打开

The labels are always at the top of the xline so one option is just to pad the end of the label with spaces —

figure

xl1 = xline(0.55, '-', 'Label 1');

xl2 = xline(0.56, '--', ['Label 2' ' ']);

xlim([0 1])

There may be more elegant ways to accomplish this, however they do not appear to be in the xline properties. (This is obviously a text object, so there should be (x,y) position coordinates that can be changed, however it is not obvious to me how to find them in the properties, even using findobj.)