(*
$Id: shape_dimension_schema.exp,v 1.28 2017/10/20 22:14:47 brandonus Exp $
ISO 10303 TC184/SC4/WG12 N9666

EXPRESS Source:
ISO 10303-47 ed3 Shape variation tolerances - Shape dimension schema

The following permission notice and disclaimer shall be included in all copies of this EXPRESS schema ("the Schema"), 
and derivations of the Schema:

Copyright ISO 2017  All rights reserved
Permission is hereby granted, free of charge in perpetuity, to any person obtaining a copy of the Schema,
to use, copy, modify, merge and distribute free of charge, copies of the Schema for the purposes of developing, 
implementing, installing and using software based on the Schema, and to permit persons to whom the Schema is furnished to do so, 
subject to the following conditions:

THE SCHEMA IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SCHEMA OR THE 
USE OR OTHER DEALINGS IN THE SCHEMA.

In addition, any modified copy of the Schema shall include the following notice:

THIS SCHEMA HAS BEEN MODIFIED FROM THE SCHEMA DEFINED IN
ISO 10303-47 ed3 Shape variation tolerances - Shape dimension schema
AND SHOULD NOT BE INTERPRETED AS COMPLYING WITH THAT STANDARD
*)

SCHEMA shape_dimension_schema '{iso standard 10303 part(47) version(4) object(1) shape_dimension_schema(2)}';

REFERENCE FROM basic_attribute_schema -- ISO 10303-41
  (get_id_value, 
  id_attribute,
  id_attribute_select);

REFERENCE FROM geometry_schema (placement); -- ISO 10303-42  

REFERENCE FROM measure_schema   -- ISO 10303-41
  (measure_with_unit); 

REFERENCE FROM product_property_definition_schema   -- ISO 10303-41
  (shape_aspect,
   shape_aspect_relationship); 
   
REFERENCE FROM product_property_representation_schema   -- ISO 10303-41
  (item_identified_representation_usage_definition,
   shape_representation); 
   
REFERENCE FROM qualified_measure_schema   -- ISO 10303-45
  (descriptive_representation_item,
   measure_representation_item,
   qualified_representation_item); 
   
REFERENCE FROM representation_schema   -- ISO 10303-43
  (representation,
   compound_representation_item); 

REFERENCE FROM support_resource_schema   -- ISO 10303-41
  (identifier,
   label,
   text); 
   


  TYPE sd_id_attribute_select = SELECT BASED_ON id_attribute_select WITH (
    dimensional_size);
  END_TYPE;


TYPE angle_relator = ENUMERATION OF 
   (equal,
    large,
    small);
END_TYPE; 

TYPE dimensional_characteristic = SELECT
   (dimensional_location, 
    dimensional_size);
END_TYPE; 

TYPE sds_item_identified_representation_usage_definition = EXTENSIBLE GENERIC_ENTITY SELECT BASED_ON item_identified_representation_usage_definition WITH 
   (dimensional_size);
END_TYPE; 

TYPE shape_dimension_representation_item = SELECT
   (compound_representation_item, 
    descriptive_representation_item, 
    measure_representation_item,
    placement);
END_TYPE; 

ENTITY angular_location
  SUBTYPE OF (dimensional_location);
  angle_selection : angle_relator;
END_ENTITY;

ENTITY angular_size
  SUBTYPE OF (dimensional_size);
  angle_selection : angle_relator;
END_ENTITY;

ENTITY dimensional_characteristic_representation;
  dimension : dimensional_characteristic;
  representation : shape_dimension_representation;
END_ENTITY;

ENTITY dimensional_location
  SUPERTYPE OF (ONEOF (angular_location,
                       dimensional_location_with_path))
  SUBTYPE OF (shape_aspect_relationship);
WHERE
  WR1: SELF\shape_aspect_relationship.relating_shape_aspect :<>: SELF\shape_aspect_relationship.related_shape_aspect;
  WR2: SELF\shape_aspect_relationship.relating_shape_aspect.of_shape :=: SELF\shape_aspect_relationship.related_shape_aspect.of_shape;
END_ENTITY;

ENTITY dimensional_location_with_path
  SUBTYPE OF (dimensional_location);
  path : shape_aspect;
END_ENTITY;

ENTITY dimensional_size
  SUPERTYPE OF (ONEOF (angular_size,
                       dimensional_size_with_path));
  applies_to : shape_aspect;
  name : label;
 DERIVE
  id : identifier := get_id_value(SELF);
UNIQUE
  UR1: id, applies_to;    
WHERE
  WR1: applies_to.product_definitional = TRUE;
  WR2: SIZEOF(USEDIN(SELF, 'BASIC_ATTRIBUTE_SCHEMA.' + 'ID_ATTRIBUTE.IDENTIFIED_ITEM')) <= 1;
END_ENTITY;

ENTITY dimensional_size_with_path
  SUBTYPE OF (dimensional_size);
  path : shape_aspect;
END_ENTITY;

ENTITY directed_dimensional_location
  SUBTYPE OF (dimensional_location);
END_ENTITY;

ENTITY shape_dimension_representation
  SUBTYPE OF (shape_representation);
  SELF\representation.items : SET[1:?] OF shape_dimension_representation_item;
END_ENTITY;

END_SCHEMA;  -- shape_dimension_schema