Details
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Type:
Bug
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Status: Won't Fix
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Resolution: Done
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Fix Version/s: None
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Component/s: afw, obs_lsstSim
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Labels:None
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Team:System Management
Description
If I use obs_lsstSim to construct a FOCAL_PLANE to FIELD_ANGLE transformation, it does not invert FOCAL_PLANE to FIELD_ANGLE (curiously, the inversion does seem to work going the other way).
The attached script will reproduce the failure when run against the w_2018_09 version of afw and obs_lsstSim.
I was testing on values of FIELD_ANGLE that are ~ 0.1 radians. If I reduce that by an order of magnitude, the failure goes away. Clearly, this is just a problem with excessively large values of FIELD_ANGLE. I suspect this is not actually a bug. Sorry for the confusion.