How to update and show an imageplus within a loop?

[Tnimajneb]

 Hi,

I am trying to write a plugin that can update a single imageplus in each
processing loop.

However, only a white screen is shown until the plugin has finished running.

I have tried setProcessor, repaintWindow and updateImage and they are not
working.

Is there simple method that can really update an image during a loop?

Ben

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