LEARNING HOW TO USE IT
----------------------

The shadoks being self-documented, we hope that the following collection
of video tutorials be enough for a quick start.

* General overview of how the widget connects to each other
  
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*  A worked out example runned on *Strange* workstation at ID20
	
  *  Launching the workflow and ROI selection


  
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  *  Determining the Optical response 

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    *  Exploring the Optical response (not essential but useful if you are curious about intermediate files contents) 

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  *  Feeding scans to the spectra extractor

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