Main title of figure removed after print function is used

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Filip Fedorowicz 2020-10-27

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回答： Kiran Felix Robert 2020-11-6

I am creating a figure with 6 sub figures, all with its own title. At the end I want to display a title using sgtitle for the figure. This works well and then I am exporting my figure using print. However, after the print step, the title of the figure dissappears. Below is a snippet of my script.

summaryTitle = sprintf(summaryTitle, Name,iFrame, percentage,...
           SR,DS,answer3,xLength);
       sgtitle(summaryTitle, 'Interpreter', 'none');
       pdfTitle = Class+"_summary of Image_"+num2str(iFrame, '%05i');
       mkdir (fullfile(selpath,'CroppedImages','Reports'));
       print(pdfTitle, '-dpdf', '-fillpage','-r600');
       summaryPath = fullfile(selpath,'CroppedImages','Reports');
       movefile(pdfTitle +".pdf",summaryPath); 

The problem occurs everytime the script passes the line with print.

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Filip Fedorowicz 2020-10-27

Update: I was running the script in live editor, somehow this was the problem as exports normally in the .m format.

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Answer 1

Kiran Felix Robert 2020-11-6

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在 MATLAB Online 中打开

Hi Filip,

This is a known issue, which may be fixed in a future release.

A Workaround is to use the annotations to generate a common title as shown in the code below,

f = figure; 
subplot(2,2,1)  
title('First Subplot')  
subplot(2,2,2)  
title('Second Subplot')  
subplot(2,2,3)  
title('Third Subplot')  
subplot(2,2,4)
title('Fourth Subplot')
annotation('textbox', [0.45, 1.0, 0.2, 0], 'string', 'Title',"EdgeColor",'None',"FontSize",15)
print(f,'figure_mlx','-dpng','-opengl')