Specialised |
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Indication of the cities’ functions ( capital, port cities/groups of port cities, other important cities) |
Shape, colour, size, value |
Gradient |
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Zones of influence: the magnitude of the impact is illustrated by the brightness (impact zones of major cities) |
Value (lightness), size, colour, shape |
Closure |
|
Closed boundary (country borders) and aperture (e.g. sea) |
Colour, shape, size, orientation, grain, value |
Axis and its derivations (tropism) |
|
Line of limitations and obstacles (rivers) |
Colour, shape, size, orientation, value |
Surface |
|
Area representing the chosen phenomenon (industrial area, urbanisation lag, transformational shock, internal periphery) |
Colour, value, size, grain |
Trend surface |
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Areas in which the phenomenon is observed to be developing in a particular direction (direction of area exclusion with: urbanisation lag, transformational shock, internal periphery, direction of area exclusion) |
Colour, shape, size, orientation, grain, value |
Dissymmetry |
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Centre of growth versus repulsiveness area |
Size, shape, colour, value |
Gravitation |
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Centre-periphery model |
Size, shape, colour, orientation, value |