POSC Specifications: Epicentre Version 3.0 | Logical Data Model |
This change allows any geologic feature to be the archetype for a material_class.
CHANGE ESM_geologic_feature_class ALTER ENTITY geologic_feature; INVERSE ADD material_class : SET[0:1] OF material_class FOR archetype_feature (*<desc> This is the material class that gets its definition from this geologic feature. For example, the material class Frio is defined by the rock feature Frio. It is the material class that is defined by this archetype geologic feature.*) (*<verb>provide definition for*); END_ENTITY; ALTER ENTITY material_class; ALTER archetype_feature ALTER TYPE AS geologic_feature (*<desc> This the geologic feature that provides the definition for this material class.*) (*<verb>have definition provided by*); END_ENTITY; ALTER ENTITY rock_feature; INVERSE DROP material_class; END_ENTITY; END_CHANGE;