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MAPWORK (Calculations (difference in height (vertical (subtract smaller…

- - - - subtract smaller height from greater height
  - - - measure in cm and multiply by scale
- - - - steep slope
      - gentle slope
  - - - black line across river, a barrier or mini dam slows down water flow
  - - - land or earth features
    - - water features
        
        aqueducts, canals, rivers
    - - vegetation features
        
        cultivated fields, golf courses, reserve boundaries
    - - construction features
        
        roads, tracks, railways
    - - construction features
        
        build-up areas
    - - construction features
        
        national, arterial, main roads, lighthouses
- - - - 1cm = 50 000cm
      - 1cm = 500m
      - 1cm = 0.5km
      - 1:50 000
      - 5 times smaller than 1:10 000
    - - km
        
        x 0.5
      - m
        
        x 500
  - - - km
        
        x 0.1
      - m
        
        x 100
    - - 1cm = 10 000cm
      - 1cm = 100m
      - 1cm = 0.1km
      - 5 times bigger than 1:50 000
- - - - point
      - line
      - polygon
    - - Data sharing
      - Data standardisation
      - Data security
      - Data querying
      - Data layering or thematic layering