SM1: Spatial Model
Entity Relationship Diagram for Epicentre V3.0 Data Model Copyright (C) 2001 POSC, All Rights Reserved.
intersecting_object Each space_time_operation may be made on one and only one topological_object. intersection_role Each topological_object may be the intersecting object for one or more space_time_operation. primary_object Each space_time_operation must use primarily one and only one topological_object. primary_role Each topological_object may be the primary object for one or more space_time_operation. resulting_object Each space_time_operation must result in one and only one topological_object. source_space_time_operation Each topological_object may be the result of one and only one space_time_operation. primary_topological_object Each topological_relationship must primarily involve one and only one topological_object. primary_topological_relation Each topological_object may be primarily involved in one or more topological_relationship. secondary_topological_object Each topological_relationship must secondarily involve one and only one topological_object. secondary_topological_relation Each topological_object may be involved in one or more topological_relationship. activity_context Each activity may be identified within the context of one and only one locatable_object. activity Each locatable_object may identify one or more activity. composite_spatial_object Each composite_spatial_object_comp must have as the whole one and only one composite_spatial_object. component_parts Each composite_spatial_object may be composed of one or more composite_spatial_object_comp. earth_model Each earth_model_composition must be part of one and only one earth_model. spatial_object Each earth_model may contain one or more earth_model_composition. located_object Each spatial_object may locate one and only one locatable_object. located_by Each locatable_object may be located by one or more spatial_object. spatial_object Each composite_spatial_object_comp must have as the part one and only one spatial_object. component_whole Each spatial_object may be part of one or more composite_spatial_object_comp. creating_activity Each spatial_object may be created by one and only one activity. created_spatial_object Each activity may create one or more spatial_object. located_activity Each spatial_object may located one and only one activity. located_by_spatial_object Each activity may be located by one or more spatial_object. primary_spatial_object Each geometrical_relationship must primarily involve one and only one spatial_object. primary_geometrical_relation Each spatial_object may be primarily involved in one or more geometrical_relationship. secondary_spatial_object Each geometrical_relationship must secondarily involve one and only one spatial_object. secondary_geometrical_relation Each spatial_object may be involved in one or more geometrical_relationship. identifying_whole Each spatial_object may be identified by one and only one composite_spatial_object. identify_part Each composite_spatial_object may identify one or more spatial_object. spatial_object Each earth_model_composition must contain one and only one spatial_object. earth_model Each spatial_object may be part of one or more earth_model_composition. spatial_object Each position_uncertainty_clsn must position reference one and only one spatial_object. position_uncertainty_clsn Each spatial_object may be classified by one or more position_uncertainty_clsn. uncertainty_class Each position_uncertainty_clsn must class reference one and only one uncertainty_class. position_uncertainty_clsn Each uncertainty_class may use of one or more position_uncertainty_clsn. first_boundary Each edge may have as first boundary one and only one vertex. bounded_first Each vertex may be the first boundary for one or more edge. second_boundary Each edge may have as second boundary one and only one vertex. bounded_second Each vertex may be the second boundary for one or more edge. edge Each ring_composition must be composed of one and only one edge. ring Each edge may be a component of one or more ring_composition. ring Each ring_composition must be a component of one and only one ring. edge Each ring may be composed of one or more ring_composition. ring Each ring_face_binding must be bounded by one and only one ring. face Each ring may bind one or more ring_face_binding. face Each ring_face_binding must bind one and only one face. bounding_ring Each face may be bounded by one or more ring_face_binding. face Each shell_composition must be composed of one and only one face. shell Each face may be a component of one or more shell_composition. shell Each shell_composition must be a component of one and only one shell. face Each shell may be composed of one or more shell_composition. region Each shell_region_binding must be the binding for one and only one region. shell_region_binding Each region may be bound by one or more shell_region_binding. shell Each shell_region_binding must describe the binding use of one and only one shell. shell_region_binding Each shell may provide the bounds for one or more shell_region_binding. activity composite_spatial_object composite_spatial_object_comp earth_model earth_model_composition edge face geometrical_relationship locatable_object position_uncertainty_clsn region ring ring_composition ring_face_binding shell shell_composition shell_region_binding space_time_operation spatial_object topological_object topological_relationship uncertainty_class vertex