Layers, overlay analysis and what GIS is used for

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• 11 sections of explanation, worked examples and diagrams
• 2 practice tasks with hints and worked answers
• A quiz that marks itself as you go
• Your progress kept across every subject you take

Other lessons in this sub-strand

1. What GIS is and how it stores the world
2. Layers, overlay analysis and what GIS is used for
3. The five components of a GIS
4. Spatial data and attribute data
5. Remote sensing as a GIS input
6. GPS, digitising and existing records
7. Raster and vector data models
8. Layers on Kenyan maps
9. Siting a hospital on the Nairobi fringe
10. Buffers, queries and network analysis
11. GIS in health, farming and disasters
12. GIS in counties, land and forests
13. Advantages, limits and GIS careers