I get bad resolution when saving my plot with filled circles as .pdf or .eps

Question

Gunnar 2014-8-16

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/151115-i-get-bad-resolution-when-saving-my-plot-with-filled-circles-as-pdf-or-eps

评论： Ben11 2014-8-17

Even though the plot looks okay when shown in MATLAB, the filled circles seem to lose their resolution when I save them. To see the difference, please open the saved PDF or EPS file. Thank you for your advice.

The code:

clear all, close all
sysX = 30; sysY = 30;
xyb = [5 +1j*5 ,  5+1j*15 ,  5+1j*25, ...
       15+1j*5 , 15+1j*15 , 15+1j*25, ...
       25+1j*5 , 25+1j*15 , 25+1j*25];
xym = sysX*rand(1,18);
fig = 0; 
fig = fig + 1; figure(fig);
for i = 1:length(xyb),
    plot(xyb(i),'ko'), axis([0 sysX 0 sysY]), hold on
    plot(xym,'ko','MarkerSize',4,'MarkerFaceColor','k')
end
xlabel('Unit 1');
ylabel('Unit 2');
legend('Type 1','Type 2','Location','North','Orientation','Horizontal');
set(gca,'Units','pixels');
filenameStrEps = 'testFigure.eps';
filenameStrPdf = 'testFigure.pdf';
saveas(gcf,filenameStrEps)
saveas(gcf,filenameStrPdf)

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Answer 1

Ben11 2014-8-16

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/151115-i-get-bad-resolution-when-saving-my-plot-with-filled-circles-as-pdf-or-eps#answer_148819

在 MATLAB Online 中打开

You might want to use print instead of save, and set the resolution to something acceptable to you:

print(gcf, '-dpdf', '-r600', filenameStrPdf)

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Gunnar 2014-8-16

编辑：Gunnar 2014-8-16

Thank you for your answer, Ben. However, I only see a marginal improvement for the PDF. In the case of EPS, it seems to have a much more positive effect.

Ben11 2014-8-17