POSC Specifications: Epicentre Version 3.0 | Logical Data Model |
This extension provides a strong typing for an earth model. This attribute is intended to describe the primary purpose for which the earth model was created or is to be used.
CHANGE ESM_earth_model_kind ALTER ENTITY earth_model; ADD kind : OPTIONAL ref_earth_model (*<desc> This is the type of this earth model. This describes the primary purpose for which the earth model was created or is intended to be used.*) (*<verb>be define as*); END_ENTITY; ADD ENTITY ref_earth_model (*<desc> This entity describes the types of earth models, which describes the primary purpose for which an earth model was created or is to be used.*) (*<population>LOCAL*) (*<projmeth>tab*) SUBTYPE OF (ref_code); INVERSE earth_model : SET[0:?] OF earth_model FOR kind (*<desc>These are the earth models of this type.*) (*<verb>define the purpose of*); UNIQUE si: identifier; END_ENTITY; END_CHANGE;