Hi,
I agree with Michael. Lets stick to a conventional spherical
system. If we really wanted to solve this and stay with the correct and
normal definitions for spherical coordinates then we should redefine the
coordinate systems such that Z is along the beamline, X is vertical, and Y
points to the right sector but this would be such a major change that I
think it is too late to do it.
I would not change anything but request that everyone review their
code and make sure they do not make some silly mistake because they assume
the azimuthal angle is continuous. They must also specify in the argument
or result description which range they use or produce. For new code I
would suggest that we use [0,2pi) and you change it internally if you need
it continuous over phi=0 and change it back for the final result.
Cheers,
Douglas
26-415 M.I.T. Tel: +1 617 258 7199
77 Massachusetts Avenue Fax: +1 617 258 5440
Cambridge, MA 02139, USA E-mail: hasell@mit.edu
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