Histogram exported as an EPS appears blurry (other figuers do not)
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Hello,
I'm generating heatmaps and histograms as EPS files for a Latex document. The heatmaps appear cleanly as expected, but the histograms are distorted. Attached is an example from when I opened them in Inkscape (the histograms still look blurry in the Latex PDF too while the heatmaps look fine).
Blurry histogram
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/192657/image.png)
Clear heatmap
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/192659/image.png)
Code:
figure(2)
histogram(myData,10)
grid on
xlabel('Max Insertion Loss (dB)'); ylabel('Occurences');
set(gca, 'FontSize',20);
set(gca,'XTick',IL_lim_min+5:10:IL_lim_max);
xlim([IL_lim_min, IL_lim_max])
ylim([occur_lim_min, occur_lim_max])
saveas(gcf,[pwd '\LCOM Figs\InsertionLossHistogram_LCOM_L3'],'epsc')
Any help would be great! Thanks.
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Answers (4)
Federico Dominguez
on 1 Jan 2021
Hi, I think the problem is in the transparency of the histograms, which is not supported either by save or export_fig functions. Transparency can be disabled with histogram(myData,10,'FaceAlpha',1)
2 Comments
Joh Hag
on 27 Oct 2018
is the result from export_fig('file.eps', '-q101') also distorted by the artifacts? i just saw that you opened the files with inkscape... i also had these quality problems back in a day. it was caused by the inkscape import library which yielded only poor quality images. you can try an export as pdf, check the quality in your favorite pdf viewer and then also try to import the pdf in inkscape. maybe this yields better results, at least you would know the cause of the problem.
-johannes
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