====== LVS in Calibre tool (IBM PDK) ======
To check LVS using Calibre tool a few following steps are needed.
  * In schematic window:
     - Create netlist of schematic. From main menu → IBM_PDK → Netlist → CDL. \\ In new create CDL window (at 1st run) fill a // Library name // and //Top cell name // fields with appropriate names. Change //run directory // if necessary (Calibre LVS generate large number of files)
     - Prepare LVS netlist. From main menu → IBM_PDK → Netlist → CDL Processor for LVS. \\ In //CDL processor for LVS // window change //Run directory// to directory with netlist file. Mark the netlist file and move (i.e. using double-click) to //files to process// tab.
  * In layout window:
     - Run Calibre LVS: main menu → IBM_PDK → Checking →  Calibre → LVS.
     - //No trace property // and //PEX run// options set on //FALSE//
     - In //Input// section, //netlist// tab: unselect //export from schematic viewer// checkbox and point out the //cell_name.netlist.lvs// file in the //Files// path.
     - Run LVS.