Topological Relations

1
Topological Relations
B
A
A
A
B
B
A.Touches(B)
A.Crosses(B)
A.Within(B)
A.Overlaps(B)
A
B
A
A
B
B
A.Disjoint(B)
A.Intersects(B)
A.Equals(B)
A.Contains(B)
These relations are defined in the following 1.
Clementini E. and Di Felice P.(1995). A
Comparison of Methods for Representing
Topological Relationships. Information Sciences
3 149-178. 2. Clementini, Eliseo, Di Felice,
P.(1996). A Model for Representing Topological
Relationships Between Complex Geometric Features
in Spatial Databases. Information Sciences
90(1-4)121-136. 3. OpenGIS Project Document
OpenGIS Simple Features Specification For
SQL. Available at http//www.opengis.org/