From: Lee, Hee-Seock <heeseock_at_SLAC.Stanford.EDU>
Date: Thu, 23 Jul 2009 11:03:02 -0700

Dear Everyone

There is simple question about USRYIELD.
The command can generate differential yields at different angles.
I understand the angle range is in a space defined by the boundary input
But I am not sure where is the origin of the coodinate system to define
the angle.
If the target is small and the bourdary is very far from the target,
then the differential yield
is not affected by the geometry.
But if the target is enoughly big. Then situation will be different.

Anyway simple question is where is the origin of the coordinate system

Thanks in advance for any comments.

Heee-Seock Lee
Received on Tue Jul 28 2009 - 18:41:10 CEST

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