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18-Geom-A7 Geospatial Information Systems: December 2018

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Spatial vs attribute uncertainty; metadata
  2. Question 2 Conceptual, logical and physical models
  3. Question 3 The buffer function and proximity analysis
  4. Question 4 Discrete objects versus continuous fields
  5. Question 5 SQL in geospatial data management
  6. Question 6 Data-model and spatial-rule comparisons
  7. Question 7 Quadtree indexing of a land-use raster
  8. Question 8 The four overlay operators
  9. Question 9 Data–information–knowledge and decision-maker preference
  10. Question 10 Criteria of geospatial data quality
  11. Question 11 Address matching
  12. Question 12 Site-suitability model for a ski resort (flowchart)
  13. Question 13 Thin-client versus thick-client web mapping
  14. Question 14 Map projection
  15. Question 15 UML relationships in the OGC Geometry schema

Start with Question 1 →

Paper format. National Exams, December 2018 — 04-Geom-A7, Geospatial Information Systems. Closed book (one approved Casio or Sharp calculator permitted); duration 3 hours. Fifteen (15) questions are provided and any ten (10) constitute a complete paper; each question is of equal value (10 marks), so a complete paper totals 100 marks. Most answers are essay-format; clarity and organization count. All fifteen questions are solved below for completeness.

Reference texts (subject)

Longley, Goodchild, Maguire & Rhind, Geographic Information Systems and Science (4th ed.); P. Bolstad, GIS Fundamentals (5th ed.); Worboys & Duckham, GIS: A Computing Perspective (2nd ed.); Burrough, McDonnell & Lloyd, Principles of Geographical Information Systems (3rd ed.); de Smith, Goodchild & Longley, Geospatial Analysis; OGC Simple Feature Access (ISO 19125); ISO 19157 Geographic information — Data quality; ISO 19115 Metadata.