Mechanical feature inheritance

Mechanical feature inheritance : Public feature

* MechanicalFeature
  - Feature without topology/geometry
  - Stores only data but can display visualization

* GSMTool
  - for wireframe or surface root feature

* GSMGeom or GeometricalElement3D
  - Applied by computing a wire frame or a surface feature
     ex: Point, curve or surface

* MechanicalFormFeature
  - Applied by computing a form (or footprint), and operate it with the
    current shape of the body
     ex: Pad, Pocket, Groove, Hole, ....

* MechanicalContextualFeature
  - Shape determined not only their own input parameter, but also
    by the local topology of the target body
  - No footprint
    ex: Dress-up features; Fillets, Drafts, ...


Mechanical feature inheritance : Catalog

* Create your catalog with a client ID
  - Use the global function CreateCatalog
  - SetClientId

* Create your start-up in your catalog
  - Use global function CATOsmSUFactory

* Add attributes to your start-up

* Save the catalog