I have identified two filter string flags in the manual for analyzing ghosts:
In both cases “n” refers to the number of the object, which generates a ghost with ray splitting.
However, I am interested in more specific information: For example, which of the three faces of a standard lens object has generated the ghost reflection?
How should the filter string look like if I want to filter a double bounce ray which ghosts at
face 2 of lens 4 and face 1 of lens 7
just as an example?
The problem seems both to me, simple and relevant. Anyway, I have not found a solution for this so far.
Any hint is appreciated. Kind regards,
Best answer by DavidView original