pyFAI
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Check distortion correction's 2D pixel splitting
In tutorial for Dexela detector, many faulty pixels were found when calculating the LUT.
Some input for the goemetry calculation ... https://people.sc.fsu.edu/~jburkardt/f_src/geometry/geometry.html
Implemented and already available in histogram based integrator. Missing LUT and CSR implementations, but easy to adapt.
One pitfall found: the formula to calculate the area was only valid for parallelograms ... not not generic quads !
Azimuthal integration is now clean both in 1d and 2D. One should check distortion correction but it is less of an issue.