FUNCTION msf_curve_check

(* SCHEMA integrated_cnc_schema; *)

FUNCTION msf_curve_check (
    cv : representation_item 
    ) : BOOLEAN;
    IF SIZEOF([ 'INTEGRATED_CNC_SCHEMA.BOUNDED_CURVE', 
      'INTEGRATED_CNC_SCHEMA.CONIC', 'INTEGRATED_CNC_SCHEMA.CURVE_REPLICA',
       'INTEGRATED_CNC_SCHEMA.LINE', 
      'INTEGRATED_CNC_SCHEMA.OFFSET_CURVE_3D' ] * TYPEOF(cv)) > 1 THEN
      RETURN (FALSE);
    END_IF;
    IF ('INTEGRATED_CNC_SCHEMA.B_SPLINE_CURVE' IN TYPEOF(cv)) AND (cv\
      b_spline_curve.self_intersect = FALSE) OR (cv\b_spline_curve.
      self_intersect = UNKNOWN) THEN
      RETURN (TRUE);
    ELSE
      IF SIZEOF([ 'INTEGRATED_CNC_SCHEMA.CONIC', 
        'INTEGRATED_CNC_SCHEMA.LINE' ] * TYPEOF(cv)) = 1 THEN
        RETURN (TRUE);
      ELSE
        IF 'INTEGRATED_CNC_SCHEMA.CURVE_REPLICA' IN TYPEOF(cv) THEN
          RETURN (msf_curve_check(cv\curve_replica.parent_curve));
        ELSE
          IF (('INTEGRATED_CNC_SCHEMA.OFFSET_CURVE_3D' IN TYPEOF(cv)) AND (
            (cv\offset_curve_3d.self_intersect = FALSE) OR (cv\
            offset_curve_3d.self_intersect = UNKNOWN))) AND NOT (
            'INTEGRATED_CNC_SCHEMA.POLYLINE' IN TYPEOF(cv\offset_curve_3d.
            basis_curve)) THEN
            RETURN (msf_curve_check(cv\offset_curve_3d.basis_curve));
          ELSE
            IF 'INTEGRATED_CNC_SCHEMA.PCURVE' IN TYPEOF(cv) THEN
              RETURN (msf_curve_check(cv\pcurve.reference_to_curve\
                representation.items[1]) AND msf_surface_check(cv\pcurve.
                basis_surface));
            ELSE
              IF 'INTEGRATED_CNC_SCHEMA.SURFACE_CURVE' IN TYPEOF(cv) THEN
                IF msf_curve_check(cv\surface_curve.curve_3d) THEN
                  REPEAT i := 1 TO SIZEOF(cv\surface_curve.
                    associated_geometry);
                    IF 'INTEGRATED_CNC_SCHEMA.SURFACE' IN TYPEOF(cv\
                      surface_curve.associated_geometry[i]) THEN
                      IF NOT msf_surface_check(cv\surface_curve.
                        associated_geometry[i]) THEN
                        RETURN (FALSE);
                      END_IF;
                    ELSE
                      IF 'INTEGRATED_CNC_SCHEMA.PCURVE' IN TYPEOF(cv\
                        surface_curve.associated_geometry[i]) THEN
                        IF NOT msf_curve_check(cv\surface_curve.
                          associated_geometry[i]) THEN
                          RETURN (FALSE);
                        END_IF;
                      END_IF;
                    END_IF;
                  END_REPEAT;
                  RETURN (TRUE);
                END_IF;
              ELSE
                IF 'INTEGRATED_CNC_SCHEMA.POLYLINE' IN TYPEOF(cv) THEN
                  IF SIZEOF(cv\polyline.points) >= 3 THEN
                    RETURN (TRUE);
                  END_IF;
                END_IF;
              END_IF;
            END_IF;
          END_IF;
        END_IF;
      END_IF;
    END_IF;
    RETURN (FALSE);
END_FUNCTION; -- 10303-509: aic_manifold_surface

Referenced By

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