FUNCTION valid_basis_curve_in_2d_wireframe

(* SCHEMA FUNCTIONAL_DATA_AND_SCHEMATIC_REPRESENTATION_MIM_LF; *)

 
FUNCTION valid_basis_curve_in_2d_wireframe(crv : curve) : BOOLEAN;
  IF SIZEOF(['FUNCTIONAL_DATA_AND_SCHEMATIC_REPRESENTATION_MIM_LF.POLYLINE', 
  'FUNCTIONAL_DATA_AND_SCHEMATIC_REPRESENTATION_MIM_LF.B_SPLINE_CURVE', 
  'FUNCTIONAL_DATA_AND_SCHEMATIC_REPRESENTATION_MIM_LF.ELLIPSE', 
  'FUNCTIONAL_DATA_AND_SCHEMATIC_REPRESENTATION_MIM_LF.CIRCLE'] * TYPEOF(crv))
   = 1 THEN
    RETURN (TRUE);
  ELSE
    IF 'FUNCTIONAL_DATA_AND_SCHEMATIC_REPRESENTATION_MIM_LF.TRIMMED_CURVE' IN 
    TYPEOF(crv) THEN
      IF SIZEOF(['FUNCTIONAL_DATA_AND_SCHEMATIC_REPRESENTATION_MIM_LF.LINE', 
      'FUNCTIONAL_DATA_AND_SCHEMATIC_REPRESENTATION_MIM_LF.PARABOLA', 
      'FUNCTIONAL_DATA_AND_SCHEMATIC_REPRESENTATION_MIM_LF.HYPERBOLA'] * TYPEOF
      (crv\trimmed_curve.basis_curve)) = 1 THEN
        RETURN (TRUE);
      ELSE
        RETURN (valid_basis_curve_in_2d_wireframe(crv\trimmed_curve.basis_curve
        ));
      END_IF;
    ELSE
      IF 'FUNCTIONAL_DATA_AND_SCHEMATIC_REPRESENTATION_MIM_LF.OFFSET_CURVE_2D' 
      IN TYPEOF(crv) THEN
        RETURN (valid_basis_curve_in_2d_wireframe(crv\offset_curve_2d.
        basis_curve));
      ELSE
        IF 'FUNCTIONAL_DATA_AND_SCHEMATIC_REPRESENTATION_MIM_LF.CURVE_REPLICA' 
        IN TYPEOF(crv) THEN
          RETURN (valid_basis_curve_in_2d_wireframe(crv\curve_replica.
          parent_curve));
        ELSE
          IF 
          'FUNCTIONAL_DATA_AND_SCHEMATIC_REPRESENTATION_MIM_LF.COMPOSITE_CURVE'
           IN TYPEOF(crv) THEN
            RETURN (SIZEOF(QUERY(ccs <* crv\composite_curve.segments | NOT 
            valid_basis_curve_in_2d_wireframe(ccs.parent_curve))) = 0);
          END_IF;
        END_IF;
      END_IF;
    END_IF;
  END_IF;
  RETURN (FALSE);
END_FUNCTION;

Referenced By

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2012-03-27T17:17:33-04:00