Saving a .fig file as a .png

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Edward Steen
Edward Steen 2017-6-30
评论： Jan 2017-6-30
I'm trying to save .fig files as .png in order to include them in a Latex document. The plots look great in .fig format, but when I save them as .png files, the font sizes that I specified don't stick and the font sizes revert to something much smaller than I want. Is there a way to get around this. I would use the .fig files, but Latex doesn't seem to like this format. Thanks for any help.

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Jan
Jan 2017-6-30
You forgot to mention how you create the PNG file. With a screenshot the output equals the display on the screen exactly:
F = getframe(gcf);
imwrite(F.cdata, 'YouFile.png')
  2 个评论
Edward Steen
Edward Steen 2017-6-30
Here is my code creating the .fig file:
figure(1) subplot(2,1,1) x2=aa(:,1); y2=aa(:,2); z2=aa(:,3); plot(x2,y2)
dx=0.1; dy=0.1; x_edge=floor(min(x2)):dx:ceil(max(x2)) y_edge=floor(min(y2)):dy:ceil(max(y2))
[X2,Y2]=meshgrid(x_edge,y_edge); Z2=griddata(x2,y2,z2,X2,Y2); contourf(X2,Y2,Z2,30) %or contourf with 50 lines title('Stability Contours of \lambda_1','fontsize',16) xlabel('\alpha_3','fontsize',18) ylabel('\alpha_4','fontsize',18) colorbar
Then what??
Thanks, and I appreciate the help.
Jan
Jan 2017-6-30
The code to create the figure does not matter. The code I've posted creates a screen copy of every figure. Did you try to run it?
Using gcf is less safe than defining the figure handle explicitely:
FigH = figure;
... your code
drawnow;
F = getframe(FigH);
imwrite(F.cdata, 'YouFile.png')
gcf can reply an unexpected figure, if the user clicks on another figure during the code runs.

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