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I'm new to ITK. I just want to ask, what does Update() mean? For example, I found that I had to use it with an ImageFileReader. Why is that?

Thanks.

1 Answers1

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Basically, it updates the filter (or in your case) image source. Which means that it makes sure the requested image region is up to date by executing the processing pipeline. The ITK Doxygen of, for example, the ProcessObject explains this procedure.

Coert Metz
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