e.g., when reading out with in SPARSE mode, there's no point in bringing along the padding, which is only relevant for RECTANGULAR readout.
More generally, we should have a definite strategy to make sure that all the keywords ending up in the digi header make sense for a specific simulation.
This issue extends on other future features such as the beamshape (see #55 ), when the beam is uniform, the source sigma and source center attributes make no sense.
e.g., when reading out with in SPARSE mode, there's no point in bringing along the padding, which is only relevant for RECTANGULAR readout.
More generally, we should have a definite strategy to make sure that all the keywords ending up in the digi header make sense for a specific simulation.