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 # TZPGcalc
 
-Interactive jupyter notebook widget to calculate transmission zone plate grating (TZPG, also known as beam splitting off-axis zone plate) beam sizes and position at the sample and detector planes for the SCS instrument.
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+Interactive jupyter notebook widget to calculate transmission zone plate grating (TZPG, also known as beam splitting off-axis zone plate) beam sizes and position at the sample and detector planes for the SCS instrument.
+
+![TZPGcalc widget](example/TZPGcalc.png "TZPGcalc widget")
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