ISO/TS 10303-1514:2018-11 Advanced boundary representation


Application module: Advanced boundary representation	ISO/TS 10303-1514:2018-11(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 Information requirements
4.1 Required AM ARMs
4.2 ARM type definition
4.3 ARM entity definitions
4.4 ARM function definition
5 Module interpreted model
5.1 Mapping specification
5.2 MIM EXPRESS short listing

A MIM short names
B Information object registration
C ARM EXPRESS-G
D MIM EXPRESS-G
E Computer interpretable listings
F Change history
Bibliography
Index


         (*
ISO/TC 184/SC 4/WG 12 N6857 - ISO/TS 10303-1514 Advanced boundary representation - EXPRESS ARM
Supersedes 
         ISO/TC 184/SC 4/WG 12 N5272
*)



SCHEMA Advanced_boundary_representation_arm;


         USE FROM
         Topologically_bounded_surface_arm;
            -- ISO/TS 10303-1511


         USE FROM
         Solid_model_arm;
            -- ISO/TS 10303-1793


TYPE advanced_brep_shape_representation_item =
         
         
         SELECT

            (Axis_placement_3d, 
    Geometric_placement_operation, 
    Manifold_solid_brep);

         END_TYPE;


ENTITY Advanced_brep_shape_representation

           SUBTYPE OF (Geometric_model);

           SELF\Representation.items : SET[1:?] OF advanced_brep_shape_representation_item;
WHERE

           WR1: SIZEOF(QUERY ( msb <* QUERY ( it <* SELF.items |
            ('ADVANCED_BOUNDARY_REPRESENTATION_ARM.MANIFOLD_SOLID_BREP' IN TYPEOF(it)) ) |
            ( NOT (SIZEOF(QUERY ( csh <* collect_shells(msb) |
            (NOT (SIZEOF(QUERY ( fcs <* csh\
            connected_face_set.connected_faces | (NOT (
            'ADVANCED_BOUNDARY_REPRESENTATION_ARM.ADVANCED_FACE' IN TYPEOF(fcs))) )) = 0)) ))
            = 0)) )) = 0;

         
         END_ENTITY;


ENTITY Closed_shell

           SUBTYPE OF (Connected_face_set);

         
         END_ENTITY;


ENTITY Manifold_solid_brep

           SUBTYPE OF (Solid_model);

           outer : Closed_shell;

           voids : 
         OPTIONAL 
         SET[1:?] OF Oriented_closed_shell;
WHERE

           WR1: (NOT EXISTS(voids)) OR (SIZEOF(QUERY ( ocs <* SELF.voids |                
            ( NOT (ocs.orientation = FALSE)))) = 0);

         
         END_ENTITY;


ENTITY Oriented_closed_shell

           SUBTYPE OF (Closed_shell);

           shell : Closed_shell;

           orientation : BOOLEAN;
WHERE

           WR1: NOT ('ADVANCED_BOUNDARY_REPRESENTATION_ARM.ORIENTED_CLOSED_SHELL'
            IN TYPEOF (SELF.shell));

         
         END_ENTITY;


FUNCTION collect_shells
 (brep : Manifold_solid_brep) : SET[1:?] OF Closed_shell;

LOCAL   
      return_set: SET[1:?] OF closed_shell := [brep.outer];   
    END_LOCAL;   

    IF SIZEOF(brep.voids)  >= 1    
          THEN   
       return_set := return_set + brep.voids;   
    END_IF;   
   RETURN(return_set);


         END_FUNCTION;



         END_SCHEMA;  -- Advanced_boundary_representation_arm