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Summary
As a map is always at a smaller scale than the phenomena it represents, the information it contains must be graphically restricted to the map scale. This adjustment consists of several generalisation processes. Each cartographic institution has its favourite ones, but as the processes are often chained, they are all important.
Following, an exhaustive list of the process taught by the cartographic institution:
- ICA/ACI: Selection, Simplification, Omission, Smoothing, Displacement, Aggregation, Classification, Symbolisation, Exaggeration.
- Institute of Cartography ETH Zurich: Selection, Simplification, Displacement, Aggregation, Classification, Exaggeration.
- German Cartography (Hake et al. 2002): Simplification/Smoothing, Enlargement, Displacement, Aggregation, Selection, Classification/Symbolisation, Exaggeration.
- US Cartography (Dent 1999): Selection, Classification, Simplification, Symbolisation.
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