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 N6153 - ISO 10303-101 Draughting - EXPRESS
Supersedes 
         ISO/TC 184/SC 4/WG 12 N4832
*)




            SCHEMA draughting_dimension_schema;


         REFERENCE FROM 
         draughting_element_schema   -- ISO 10303-101
  (dimension_curve,

           
         leader_curve,

           
         projection_curve,

           
         draughting_callout,

           
         draughting_callout_relationship,

           
         dimension_curve_directed_callout,

           
         leader_directed_callout,

           
         projection_directed_callout,

           
         dimension_extent_usage);


ENTITY dimension_callout

           SUBTYPE OF (draughting_callout);
WHERE

           WR1: ('DRAUGHTING_ELEMENT_SCHEMA.LEADER_DIRECTED_CALLOUT'
            IN (TYPEOF (SELF))) XOR
            (SIZEOF (QUERY(dce_1 <* SELF\draughting_callout.contents |
            ('DRAUGHTING_ELEMENT_SCHEMA.LEADER_CURVE'
            IN (TYPEOF(dce_1))))) = 0);

           WR2: ('DRAUGHTING_ELEMENT_SCHEMA.PROJECTION_DIRECTED_CALLOUT'
            IN (TYPEOF (SELF))) XOR
            (SIZEOF (QUERY(dce_1 <* SELF\draughting_callout.contents |
            ('DRAUGHTING_ELEMENT_SCHEMA.PROJECTION_CURVE'
            IN (TYPEOF(dce_1))))) = 0);

           WR3: ('DRAUGHTING_ELEMENT_SCHEMA.DIMENSION_CURVE_DIRECTED_CALLOUT'
            IN (TYPEOF (SELF))) XOR
            (SIZEOF (QUERY(dce_1 <* SELF\draughting_callout.contents |
            ('DRAUGHTING_ELEMENT_SCHEMA.DIMENSION_CURVE'
            IN (TYPEOF(dce_1))))) = 0);

         
         END_ENTITY;


ENTITY dimension_graph

           SUBTYPE OF (dimension_curve_directed_callout);
WHERE

           WR1: SIZEOF(USEDIN(SELF,'DRAUGHTING_DIMENSION_SCHEMA.'+
            'DIMENSION_GRAPH_PROJECTION_CURVE_USAGE.GRAPH')) <= 2;

           WR2: SIZEOF(QUERY(dce <* SELF\draughting_callout.contents |
            'DRAUGHTING_ELEMENT_SCHEMA.PROJECTION_CURVE'
            IN (TYPEOF(dce)))) = 0;

           WR3: 'DRAUGHTING_DIMENSION_SCHEMA.DIMENSION_CALLOUT' 
            IN (TYPEOF(SELF));

         
         END_ENTITY;


ENTITY dimension_graph_projection_curve_usage;

           graph : dimension_graph;

           projection_line : projection_curve;

           role : dimension_extent_usage;
UNIQUE

           UR1: graph, projection_line;

           UR2: graph, role;

         
         END_ENTITY;


ENTITY dimension_graph_sequence

           SUBTYPE OF (draughting_callout_relationship);
WHERE

           WR1: 'DRAUGHTING_DIMENSION_SCHEMA.DIMENSION_GRAPH' IN
            TYPEOF (SELF\draughting_callout_relationship.
            relating_draughting_callout);

           WR2: 'DRAUGHTING_DIMENSION_SCHEMA.DIMENSION_GRAPH' IN
            TYPEOF (SELF\draughting_callout_relationship.
            related_draughting_callout);

         
         END_ENTITY;



         END_SCHEMA;  -- draughting_dimension_schema