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How do you save a figure with a trasparent background?

조회 수: 443(최근 30일)
Ron Beck
Ron Beck 2018년 3월 2일
답변: cui 2021년 8월 30일
How do you save a figure with a trasparent background? I want to save a figure as a png image that has a transparent background so I can put the image into PowerPoint and the PowerPoint graphic will show through the Matlab figure.


jonas 2018년 3월 2일
편집: Stephen 2018년 3월 14일
The most recent version of export_fig includes a -transparent option for .png export
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jonas 2018년 3월 14일
Sorry for the late response. If you did not solve it already perhaps you can upload the code and I will have a look.
The first option calls the current axis (gca), so it should be located after the figure. The other option should be at the beginning of the code.

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Subba Reddy
Subba Reddy 2020년 1월 22일
Non matlab way, Can use gimp software to remove white background from image, by selecting the background with color select tool, invert selection and copy. Then create new gimp window with background option as tranperancy, and paste it into that and export that as png. Not programmable but can be used to prepare images for presentation.

cui 2021년 8월 30일
since Matlab R2020a, use "exportgraphics", for example ,you can do like this
x = 0:.1:2*pi;
y = sin(x);
% save to transparented image
set(gcf, 'color', 'none');
set(gca, 'color', 'none');
exportgraphics(gcf,'transparent.eps',... % since R2020a

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