Generally GDS-II files contains the co-ordinate info in a specific format which can be used in Mask preparation. We need different [approx 18 msks] for a typical CMOS process. GDS-II files are given as input to E-Beam masking machines. These files can not be read as they are of not readable format. GDS files are mainly for fab purpose.
i am not sure if this is wat the answer ur looking for .. GDSII is a file which is actually ment to be sent for fabricatin which has layout information .. i guess u r want to know at exactly the file is .. the best way is to opne the GDS file in any of the layout tools .. i think u can see the wat the file has//
please let me know if i am wrong ..
suresh
Though you really dont want to read the GDSII files, but if want to view the graphical output of the GDSII, as in the polygons and their locations, you can use a tool which goes by the name "qckvu" by artworks.
Follow the link and know more. https://www.artwork.com/gdsii/qckvu/datsheet.htm