This QC determines the accuracy of the collimator axis of rotation, EPID spatial distortion and EPID sag using the graticule issued to every machine. By supplying two images per-gantry angle center bib positions are averaged.
peterg1t/QCGraticule
This QC determines the accuracy of the collimator axis of rotation, EPID spatial distortion and EPID sag using the graticule issued to every machine.
Python