Problem by saveas plot

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CSCh
CSCh on 20 Dec 2020
Answered: Image Analyst on 5 Jan 2021
Hi everyone, I do not understand what I'am doing woring in saving my plot.
My code:
Temp=[num2str(vaiable), 'Myplotnumber' ,num2str(n) ,'-dpng'];
saveas(gcf,Temp);
it save the figure always with Var1Myplotnumber2.png.fig
why put matlab .fig at the end?
Thank you?
  3 Comments
Ive J
Ive J on 20 Dec 2020
Pass gcf and not axes
print(gcf, 'test', '-dpng', '-r400')

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Accepted Answer

CSCh
CSCh on 4 Jan 2021
Thank you all so much for your help. In my case the '-dpng' ending did not work.
if I change to:
Temp=['%MyName%' ,'.png'];
saveas(gcf, Temp)
it saves png format.
BR

More Answers (3)

Image Analyst
Image Analyst on 20 Dec 2020
Use exportgraphics() instead if you have R2020a or later.
  7 Comments
Image Analyst
Image Analyst on 21 Dec 2020
I don't know. You never showed me your exportgraphics() code that didn't work. You only showed it where it worked in the command window with a hard-coded filename string. Please post the non-working code from your m-file. Apparently it thinks your Temp did not have an extension on it. Are you sure Temp ends in '.png'?

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Walter Roberson
Walter Roberson on 21 Dec 2020
Temp = {sprintf('%dMyplotnumber%d.png', vaiable, n),'-dpng'};
saveas(gcf, Temp{:})

Image Analyst
Image Analyst on 5 Jan 2021
You can do
baseFileName = sprintf('%d Myplotnumber %d.png', variable, n); % Name without folder.
fullFileName = fullfile(yourFolder, baseFileName); % Prepend folder.
saveas(gcf, fullFileName);

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