Section outline

    • Design a relational model for the general case of adjacent polygons with the relations area (polygon), line, node and vertex. This is the simplest case of linked lists / tables. Aim at expressing these relations in a general notation.

      Design a relational model for the general case of adjacent polygons with the relations area (polygon), line, node and vertex. This is the simplest case of linked lists / tables. Aim at expressing these relations in a general notation.