Viewing same slice of 2 different image stacks with sliceViewer

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Lanfranco Chirico
Lanfranco Chirico 2022-12-12
回答： Harsh Sanghai 2023-3-23
I have a CT reconstruction and the relative segmentation, both image stacks made by 140 slices. I'm using sliceViewer to display them in two different figures:
fig1 = figure("Name","CT image", "NumberTitle", "off");
s1 = sliceViewer(imm);
fig2 = figure("Name","Segmentated image", "NumberTitle", "off");
s2 = sliceViewer(seg);
I would like to see the same slice of both images by sliding only one of them. I'm trying to use the line
s2.SliceNumber = s1.SliceNumber
but it works only once, while i need to repeat this line every time I use the slider of s1.
Any idea? Thank you for the help!

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回答（1 个）

Harsh Sanghai
Harsh Sanghai 2023-3-23
Hi,
To achieve this, you can add a listener to the "SliceNumber" property of s1 that updates the "SliceNumber" property of s2 whenever it changes.
% Add listener to s1
addlistener(s1, 'SliceNumber', 'PostSet', @(src,evt) updateSliceNumber(s1, s2));
function updateSliceNumber(s1, s2)
% Update the SliceNumber property of s2 to match s1
s2.SliceNumber = s1.SliceNumber;
end
For more information checkout the below link:
Overview Events and Listeners - MATLAB & Simulink (mathworks.com)

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