really thanks ckshivaram. I will study it deeply. I hope it could help me.
---------- Post added at 16:09 ---------- Previous post was at 15:59 ----------
Actually, my ASITIC tek file already defined all metal, substrate and vias layer. In my transformer, it uses metal6 and metal5. I also defined the layer definition in the ads momentum in the Create/Modify layer windows. After importing the gds file, it could not map correctly. How could I map the metal6 and metal5 layer in the ads?
Thanks