- OGIS model consists of base-class Geometry and four sub-classes:
- Point, Curve, Surface and GeometryCollection
- Operations fall into three categories:
- Apply to all geometry types
- SpatialReference, Envelope, Export,IsSimple, Boundary
- Predicates for Topological relationships
- Equal, Disjoint, Intersect, Touch, Cross, Within, Contains
- Spatial Data Analysis
- Distance,Buffer,Union, Intersection, ConvexHull, SymDiff
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Última modificación: Thursday, 24 de November de 2005, 06:42