[MITgcm-support] rotated spherical polar grid

[Pat Gallacher]

I need to use the MITgcm model, in nonhydrostatic mode, in a domain  
that is rotated relative to the standard east-west/north-south  
configuration. I want to use spherical-polar coordinates and the  
domain will be on the order of 10 degrees by 5 degrees or smaller.  
There has been some discussion in the past about altering angleSinC  
and angleCosC and removing some if statements to accomplish this  
transformation. Has anyone done this? Were there any surprises to  
contend with? Has anyone found a better method?

Thanks,
Pat

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