FUNCTION gbsf_check_curve

(* SCHEMA Ap242_managed_model_based_3d_engineering_mim_LF; *)

FUNCTION gbsf_check_curve
 (cv : representation_item) : BOOLEAN; 
  IF SIZEOF(['AP242_MANAGED_MODEL_BASED_3D_ENGINEERING_MIM_LF.BOUNDED_CURVE', 'AP242_MANAGED_MODEL_BASED_3D_ENGINEERING_MIM_LF.CONIC', 'AP242_MANAGED_MODEL_BASED_3D_ENGINEERING_MIM_LF.CURVE_REPLICA', 'AP242_MANAGED_MODEL_BASED_3D_ENGINEERING_MIM_LF.LINE', 'AP242_MANAGED_MODEL_BASED_3D_ENGINEERING_MIM_LF.OFFSET_CURVE_3D'] * TYPEOF(cv)) > 1 THEN
    RETURN (FALSE);
  END_IF;
  IF SIZEOF(['AP242_MANAGED_MODEL_BASED_3D_ENGINEERING_MIM_LF.CIRCLE', 'AP242_MANAGED_MODEL_BASED_3D_ENGINEERING_MIM_LF.ELLIPSE', 'AP242_MANAGED_MODEL_BASED_3D_ENGINEERING_MIM_LF.TRIMMED_CURVE'] * TYPEOF(cv)) = 1 THEN
    RETURN (TRUE);
  ELSE
    IF (('AP242_MANAGED_MODEL_BASED_3D_ENGINEERING_MIM_LF.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 (('AP242_MANAGED_MODEL_BASED_3D_ENGINEERING_MIM_LF.COMPOSITE_CURVE' IN TYPEOF(cv)) AND (cv\composite_curve.self_intersect = FALSE) OR (cv\composite_curve.self_intersect = UNKNOWN)) THEN
        RETURN (SIZEOF(QUERY(seg <* cv\composite_curve.segments | NOT (gbsf_check_curve(seg.parent_curve)))) = 0);
      ELSE
        IF 'AP242_MANAGED_MODEL_BASED_3D_ENGINEERING_MIM_LF.CURVE_REPLICA' IN TYPEOF(cv) THEN
          RETURN (gbsf_check_curve(cv\curve_replica.parent_curve));
        ELSE
          IF (('AP242_MANAGED_MODEL_BASED_3D_ENGINEERING_MIM_LF.OFFSET_CURVE_3D' IN TYPEOF(cv)) AND ((cv\offset_curve_3d.self_intersect = FALSE) OR (cv\offset_curve_3d.self_intersect = UNKNOWN)) AND (NOT ('AP242_MANAGED_MODEL_BASED_3D_ENGINEERING_MIM_LF.POLYLINE' IN TYPEOF(cv\offset_curve_3d.basis_curve)))) THEN
            RETURN (gbsf_check_curve(cv\offset_curve_3d.basis_curve));
          ELSE
            IF 'AP242_MANAGED_MODEL_BASED_3D_ENGINEERING_MIM_LF.PCURVE' IN TYPEOF(cv) THEN
              RETURN ((gbsf_check_curve(cv\pcurve.reference_to_curve\representation.items[1])) AND (gbsf_check_surface(cv\pcurve.basis_surface)));
            ELSE
              IF 'AP242_MANAGED_MODEL_BASED_3D_ENGINEERING_MIM_LF.POLYLINE' IN TYPEOF(cv) THEN
                IF (SIZEOF(cv\polyline.points) >= 3) THEN
                  RETURN (TRUE);
                END_IF;
              ELSE
                IF 'AP242_MANAGED_MODEL_BASED_3D_ENGINEERING_MIM_LF.SURFACE_CURVE' IN TYPEOF(cv) THEN
                  IF gbsf_check_curve(cv\surface_curve.curve_3d) THEN
                    REPEAT i := 1 TO SIZEOF(cv\surface_curve.associated_geometry);
                      IF 'AP242_MANAGED_MODEL_BASED_3D_ENGINEERING_MIM_LF.SURFACE' IN TYPEOF(cv\surface_curve.associated_geometry[i]) THEN
                        IF NOT gbsf_check_surface(cv\surface_curve.associated_geometry[i]) THEN
                          RETURN (FALSE);
                        END_IF;
                      ELSE
                        IF 'AP242_MANAGED_MODEL_BASED_3D_ENGINEERING_MIM_LF.PCURVE' IN TYPEOF(cv\surface_curve.associated_geometry[i]) THEN
                          IF NOT gbsf_check_curve(cv\surface_curve.associated_geometry[i]) THEN
                            RETURN (FALSE);
                          END_IF;
                        END_IF;
                      END_IF;
                    END_REPEAT;
                    RETURN (TRUE);
                  END_IF;
                END_IF;
              END_IF;
            END_IF;
          END_IF;
        END_IF;
      END_IF;
    END_IF;
  END_IF;
  RETURN (FALSE);
      END_FUNCTION; 

Referenced By

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2012-03-27T17:20:10-04:00