Change resize algorithm in figure window

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Andreas Westlund
Andreas Westlund 2022-4-1
评论： Jan 2022-4-1
Hi,
Does anyone know which resize algorithm matlab is using to represent my data in a limited number of pixels? Is it some flavour of imresize?
Secondly, I would like to change which algorithm is used, any info on that?
(Specifically, I am using imagesc to create a plot, and I am not happy with how the data is represented. But my question is probably not specific to imagesc).

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Jan
Jan 2022-4-1
编辑：Jan 2022-4-1
If you mean, how image() resizes the data to match the pixels of the display, see: https://www.mathworks.com/matlabcentral/answers/454161-interpolation-method-of-image
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Andreas Westlund
Andreas Westlund 2022-4-1
But how do I get this done dynamically, i.e. when zooming in the figure?
Jan
Jan 2022-4-1
You can insert this in the SizeChangedFcn of the figure. Put the original image data in the UserData of the image object. Then apply the reizing whenever the size is changed. This can cause troubles due to the delay. See https://www.mathworks.com/matlabcentral/answers/400382-delay-when-resizing-a-figure-in-r2016b

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