Abstract: An inventory system for determining receipt of components of an article, the components having identification labels (400) of a set of labels (300) attached thereto, the system being adapted to generate inventory data identifying receipt of said components on the basis of the remaining identification labels (602) of said set (300).

Abstract: A method generates at least one route traversing a plurality of predetermined survey paths in a marine survey. The method includes generating a plurality of routes traversing a subset of the predetermined survey paths. The routes satisfy survey constraints such as run in and run out distances and minimum turn radius. Penalties are generated for the routes, including line change penalties, hazard penalties, streamer feather penalties, and penalties based on survey line priorities, total survey distance and duration, maintenance requirements, and the final location of the ship performing the survey. At least one of the routes is selected on the basis of the penalties.

Abstract: A method for generating at least one route traversing a plurality of predetermined seismic survey paths (202) in a marine seismic survey (200). The method includes generating a plurality of routes traversing a subset of the predetermined seismic survey paths (202). The routes satisfy survey constraints such as run in (402) and run out (401) distances and minimum turn radius (404). Penalties are generated for the routes, including line change penalties, hazard penalties, streamer feather penalties, and penalties based on survey line priorities, total survey distance and duration, maintenance requirements, and the final location of the ship (101) performing the survey. At least one of the routes is selected on the basis of the penalties.