Save a Figure as a .png and .pdf of a Specific Size

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I am trying to generate a plot and save it as .png and .pdf files of a certain size. I have many plots that I am generating that will eventually be put into a Word document. I have found that the plots I am generating appear differently depending on the computer I use. I expect that the reason the plot look differently based on the computer I generate them from is because the different computers have different sized monitors. Here is a simplified script that includes the commands I am using to generate my plot:
xdata = [1,2,3,4];
ydata = [1,4,1,2];
fig = figure('Units','normalized','Position',[0 0 1 1]);
set(gcf,'PaperPositionMode','Auto',...
'PaperUnits','inches',...
'PaperOrientation','landscape',...
'PaperSize',[15 15])
blue = [0 0.4470 0.7410];
title('Title','Fontsize',28,'Fontweight','bold','Interpreter','none');
xlabel('Time (min.)','FontSize',20,'Fontweight','bold')
ylabel('Data','FontSize',20,'Fontweight','bold')
ax_left = gca;
set(ax_left,'ycolor','k')
plot(xdata,ydata,'-o','Color',blue,'LineWidth',2);
xlim([0 5])
ylim([0 5])
ax = gca;
ax.FontSize = 20;
ax.FontWeight = 'bold';
box on
saveas(fig,fullfile(pwd,'figure.png','png');
print(fig,'-dpdf')
copyfile(figure_file,input_general{1}.all_plots_location);
I am using the "normalized" units option, so the plot appears large on my screen. I am trying to use the "PaperPositionMode," "PaperUnits," "PaperOrientation," and "PaperSize" options to export the plots to a different size that will not change regardless of the computer I use to generate my plots. Right now, I am using an arbitrary 15-inch by 15-inch paper size, but I'm not getting the .png or .pdf files to be that size. Can someone help?

Answers (1)

Simon Chan
Simon Chan on 11 Sep 2022
Try this to see whether the following is what you want.
clear; clc;
f = figure;
plot(1:10,1:10);
% Set figure position after plotting. A higher value for higher resolution
% only, you may use a smaller value.
set(f,'Position',[0 0 15000 15000]);
% Set PaperSize and PaperPosition according to 15 inch on both sides
set(f,'PaperSize',[15 15],'PaperPosition',[0 0 15 15]);
% Print figure in png format. You may remove '-r1000' if you don't want to have high resolution image
print(f,'figure.png','-dpng','-r1000');
print(f,'figure.pdf','-dpdf');

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