ISO 10303-101:2021(E)


Integrated application resource: Draughting	ISO 10303-101:2021(E) © ISO

Cover page
Table of contents
Copyright
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
3.2 Abbreviated terms

4 Drawing definition
4.1 General
4.2 Fundamental concepts and assumptions
4.3 Drawing definition type definition
4.4 Drawing definition entity definitions
4.5 Drawing definition rule definitions
5 Draughting element
5.1 General
5.2 Fundamental concepts and assumptions
5.3 Draughting element type definitions
5.4 Draughting element entity definitions
5.5 Draughting element subtype constraint definition
6 Draughting dimension
6.1 General
6.2 Fundamental concepts and assumptions
6.3 Draughting dimension entity definitions

A Short names of entities
B Information object registration
C Computer interpretable listings
D EXPRESS-G diagrams
E Change history
Bibliography
Index


         (*
ISO/TC 184/SC 4/WG 12 N10944 - ISO 10303-101 Draughting - EXPRESS
Supersedes 
         ISO/TC 184/SC 4/WG 12 N10720
*)




            SCHEMA drawing_definition_schema;


         REFERENCE FROM 
         support_resource_schema   -- ISO 10303-41
  (label,

           
         text,

           
         identifier,

           
         bag_to_set);


         REFERENCE FROM 
         representation_schema   -- ISO 10303-43
  (mapped_item,

           
         representation_relationship,

           
         representation);


         REFERENCE FROM 
         presentation_organization_schema   -- ISO 10303-46
  (area_in_set,

           
         presentation_area,

           
         presentation_set,

           
         presentation_representation_relationship);


TYPE draughting_titled_item =
         
         
         SELECT

            (drawing_revision, 
    drawing_sheet_revision);

         END_TYPE;


ENTITY draughting_title;

           items : SET[1:?] OF draughting_titled_item;

           language : label;

           contents : text;

         
         END_ENTITY;


ENTITY drawing_definition;

           drawing_number : identifier;

           drawing_type : 
         OPTIONAL 
         label;

         
         END_ENTITY;


ENTITY drawing_revision

           SUBTYPE OF (presentation_set);

           revision_identifier : identifier;

           drawing_identifier : drawing_definition;

           intended_scale : 
         OPTIONAL 
         text;
UNIQUE

           UR1: revision_identifier, drawing_identifier;

         
         END_ENTITY;


ENTITY drawing_revision_sequence;

           predecessor : drawing_revision;

           successor : drawing_revision;
WHERE

           WR1: predecessor :<>: successor;

         
         END_ENTITY;


ENTITY drawing_sheet_revision

           SUBTYPE OF (presentation_area);

           revision_identifier : identifier;
WHERE

           WR1: SIZEOF( QUERY(item <* SELF\representation.items |
            ('REPRESENTATION_SCHEMA.MAPPED_ITEM' IN (TYPEOF(item)))
            AND
            ('DRAWING_DEFINITION_SCHEMA.DRAWING_SHEET_REVISION' IN
            (TYPEOF(item\mapped_item.mapping_source.mapped_representation)))))=0;

         
         END_ENTITY;


ENTITY drawing_sheet_revision_sequence

           SUBTYPE OF (representation_relationship);
WHERE

           WR1: SELF\representation_relationship.rep_1 :<>:                            
            SELF\representation_relationship.rep_2;

           WR2: 'DRAWING_DEFINITION_SCHEMA.DRAWING_SHEET_REVISION'
            IN TYPEOF (SELF\representation_relationship.rep_1);

           WR3: 'DRAWING_DEFINITION_SCHEMA.DRAWING_SHEET_REVISION'
            IN TYPEOF (SELF\representation_relationship.rep_2);

         
         END_ENTITY;


ENTITY drawing_sheet_revision_usage

           SUBTYPE OF (area_in_set);

           sheet_number : identifier;
UNIQUE

           UR1: sheet_number, SELF\area_in_set.in_set;
WHERE

           WR1: ('DRAWING_DEFINITION_SCHEMA.DRAWING_SHEET_REVISION' IN 
            TYPEOF(SELF\area_in_set.area)) 
            AND
            ('DRAWING_DEFINITION_SCHEMA.DRAWING_REVISION' 
            IN TYPEOF (SELF\area_in_set.in_set));

         
         END_ENTITY;


RULE 
            drawing_sheets_not_nested FOR 

         (presentation_representation_relationship);

WHERE

           WR1: SIZEOF( QUERY(p_r_r <* presentation_representation_relationship |      
            ('DRAWING_DEFINITION_SCHEMA.DRAWING_SHEET_REVISION' 
            IN (TYPEOF(p_r_r.rep_1))) AND
            ('DRAWING_DEFINITION_SCHEMA.DRAWING_SHEET_REVISION'
            IN (TYPEOF( p_r_r.rep_2))))) = 0;


         END_RULE;



         END_SCHEMA;  -- drawing_definition_schema