I would like to return the geometric (not RMS) spot radius in the merit function editor. I wasn’t able to locate this in the documentation.
Thanks for any help,
John
Best answer by Andrey.Pravdivtsev
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Is there a merit function that returns the "GEO radius" from the spot diagram?
Userlevel 3
Try the second approach from this thread:
Userlevel 7
+3
I think you can choose PTV instead of RMS, and this should be what you need.
Userlevel 3
Hello
Thank you. The GENC operand with energy fraction of 100% is very close to the GEO radius from the spot diagrams.
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