A method includes receiving a plurality of legacy graphics files associated with a control system for an industrial process, each legacy graphics file comprising a plurality of legacy graphics objects. The method also includes parsing the legacy graphics files to identify primitive graphic objects in each legacy graphics file. The method also includes determining relationships among the identified primitive graphic objects to determine a group of primitive graphic objects that form one component of the industrial process. The method also includes determining one or more patterns among the identified primitive graphic objects. The method also includes saving the one or more patterns in a pattern library.