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ISO19107 Geographic information – Spatial schema

ISO19107 Geographic information – Spatial schema. Pusan National University Dept. of Computer Engineering Spatiotemporal Database Lab. Joon-Seok Kim joonseok@pnu.edu. Outline. Introduction Schema Geometry Geometry root Geometry primitive Coordinate geometry Geometry aggregate

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ISO19107 Geographic information – Spatial schema

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  1. ISO19107 Geographic information – Spatial schema Pusan National University Dept. of Computer Engineering Spatiotemporal Database Lab. Joon-Seok Kim joonseok@pnu.edu

  2. Outline • Introduction • Schema • Geometry • Geometry root • Geometry primitive • Coordinate geometry • Geometry aggregate • Geometry complex • Topology • Topology root • Topology primitive • Topology complex • Summary

  3. Introduction • ISO19107 • Providing conceptual schemas for describing and manipulating the spatial characteristic • Formal language • Unified Modeling Language (UML) ISO19103 • Vector geometry and topology up to 3-D • Spatial operations • For use in access, query, management, processing, and data exchange of geographic information

  4. Package Clients of ISO19107

  5. Package Suppliers of ISO19107

  6. Main Diagram of ISO19107 Spatial Schema

  7. Geometry

  8. Geometry Packages

  9. Geometry basic classes

  10. Basic Concept Point Geometry object Line Rectangle …  Infinite set of points  Point set theory

  11. Concept of Interior, Exterior and Boundary U Interior U Boundary = Closure Interior Boundary Exterior

  12. Boundary and Dimension

  13. s s e s e e s e Simple and Cycle (a) (b) (c) (d)

  14. GM_Object

  15. convexHull() and buffer() d convexHull() buffer (radius: d)

  16. Geometry Boundary Data Types

  17. y z x x y The Number of Exterior of GM_SurfaceBoundary 2-Dimension plane 3-Dimension surface  1 exterior  0 exterior

  18. GM_Primitive

  19. Geometric Primitive

  20. GM_Point

  21. “-” “-” Concept of Orientation s “+” e For curves, direction in which the curve is traversed When used as bounding curves, “left” of oriented curve “+” For surfaces, Z-axis that would form a right-handed system When used as bounding surfaces, “below” the surface

  22. GM_OrientedPrimitive

  23. GM_Curve

  24. GM_Surface

  25. GM_Solid

  26. Coordinate Geometry

  27. DirectPosition

  28. Curve segment classes

  29. Linear and Geodetic Interpolation

  30. Arcs

  31. Conics and placements

  32. Spline and specialty curves

  33. Surface patches

  34. Polygonal surface

  35. TIN construction

  36. GM_ParmetricCurveSurface and its subtypes

  37. Geometric AggregateGeometric Complex

  38. GM_Aggregate

  39. GM_Complex

  40. CM_Composite

  41. Topology

  42. Concept of Topology • Topology • Deal with characteristics of geometric figures that remain invariant if the space is deformed elastically and continuously • E.g. connectivity of an n-dimensional graph

  43. Topology packages

  44. Topological class diagram

  45. Relation between geometry and topology

  46. TP_Object

  47. Boundary and coboundary operation

  48. Boundary relation data types

  49. TP_Primitive

  50. TP_DirectedTopo subclasses

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