Hello Mathias,
I'm still trying to understand why some vias are missing during lef/def import. the reason could be that the vias read from lef get renamed to VIA_<name in lef> and couldn't get linked during def import.
Regards.
Olivier
Hello Mathias,
regarding the point A, I tried different possibilities to have a clean gds database with only references, The best solution I've got so far fromm Nick is just to select and delete all Layers and save this database. So thanks for the …