IFC 4.3.0.1 (IFC4X3) development

8.9.6.24 IfcSurfaceWeightsPositive

8.9.6.24.1 Semantic definition

8.9.6.24.2 Formal representation

FUNCTION IfcSurfaceWeightsPositive
( B: IfcRationalBSplineSurfaceWithKnots) 
: BOOLEAN; 

  LOCAL 
    Result : BOOLEAN := TRUE; 
    Weights : ARRAY [ 0 : B\IfcBSplineSurface.UUpper ] OF ARRAY [ 0 : B\IfcBSplineSurface.VUpper ] OF REAL := B.Weights; 
  END_LOCAL; 

  REPEAT i := 0 TO B\IfcBSplineSurface.UUpper; 
    REPEAT j := 0 TO B\IfcBSplineSurface.VUpper; 
      IF (Weights[i][j] <= 0.0) THEN 
        Result := FALSE; 
        RETURN(Result); 
      END_IF; 
    END_REPEAT; 
  END_REPEAT; 
  RETURN(Result);

END_FUNCTION;

8.9.6.24.3 References

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