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change dpi from auto to 300 using matlab code?

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Ramesh Bala
Ramesh Bala 2018-6-20
回答： Rik 2018-6-22
Is there any code to change the DPI from auto mode to 300 so that It can be added to the script directly,without manually going and changing in the picture settings?
  2 个评论
Sophia
Sophia 2018-6-20
Here is an example-
res = 300;
print('figure1.tiff','-dtiff',['-k' num2str(res)]);
Ramesh Bala
Ramesh Bala 2018-6-22
Error using inputcheck Illegal option '-k300' given.

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采纳的回答

Rik
Rik 2018-6-22
This code should work. I recognize the -k switch from a similar context, but the doc indicates that you should use -r. (I use sprintf so you can mistakenly enter a decimal res, Matlab will round it anyway during the writing of the image)
figure(1),clf(1)
plot(randi(10,1,10))
res = 300;
print('figure1.tiff','-dtiff',['-r' sprintf('%.0f',res)]);

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