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SPATIAL DATABASES

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Concepts and Models of Space > Geographic Applications > Manipulation

SELECTION:

geographic_object → geographic_object

thematic_map → thematic_map

Selection

PROJECTION:

geographic_object → geographic_object

thematic_map → thematic_map

Projection

MERGE:

geographic_object → geographic_object

thematic_map → thematic_map

Merge

WINDOWING:

geographic_object, window → geographic_object

thematic_map, window → thematic_map

Windowing

CLIPPING:

geographic_object, window → geographic_object

thematic_map, window → thematic_map

Clipping

UNION:

geographic_object, geographic_object → geographic_object

thematic_map, thematic_map → geographic_object

Union

INTERSECTION:

geographic_object, geographic_object → geographic_object

thematic_map, thematic_map → thematic_map

Intersection

DECOMPOSITION:

geographic_object → sets(geographic_object)

thematic_map, thematic_map → sets(geographic_object)

Decomposition


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