ISO/TS 10303-1525:2018-11 Composite surface


Application module: Composite surface	ISO/TS 10303-1525:2018-11(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
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 N7831 - ISO/TS 10303-1525 Composite surface - EXPRESS ARM
Supersedes 
         ISO/TC 184/SC 4/WG 12 N7232
*)



SCHEMA Composite_surface_arm;


         USE FROM
         Basic_geometry_arm;
            -- ISO/TS 10303-1652


         USE FROM
         B_spline_geometry_arm;
            -- ISO/TS 10303-1801


TYPE surface_transition_code =
         
         ENUMERATION
         
         OF
         

            
         (discontinuous,
    continuous,
    cont_same_gradient,
    cont_same_gradient_same_curvature);

         END_TYPE;


ENTITY Rectangular_composite_surface

           SUBTYPE OF (Bounded_surface);

           segments : LIST[1:?] OF LIST[1:?] OF Surface_patch;
DERIVE

           n_u : INTEGER := SIZEOF(segments);

           n_v : INTEGER := SIZEOF(segments[1]);
WHERE

           WR1: SIZEOF(QUERY (s <* segments | n_v <> SIZEOF (s))) = 0;

         
         END_ENTITY;


ENTITY Surface_patch;

           parent_surface : Bounded_surface;

           u_transition : surface_transition_code;

           v_transition : surface_transition_code;

           u_sense : BOOLEAN;

           v_sense : BOOLEAN;
INVERSE

           using_surfaces : BAG[1:?] OF Rectangular_composite_surface FOR segments;

         
         END_ENTITY;


ENTITY Trimmed_surface

           SUBTYPE OF (Bounded_surface);

           basis_surface : Surface;

           u1 : parameter_value;

           u2 : parameter_value;

           v1 : parameter_value;

           v2 : parameter_value;

           usense : BOOLEAN;

           vsense : BOOLEAN;
WHERE

           WR1: u1 <> u2;

           WR2: v1 <> v2;

         
         END_ENTITY;



         END_SCHEMA;  -- Composite_surface_arm