IfcCurveWeightsPositive

BACnet MVD

#### IfcCurveWeightsPositive

Natural language names

| Curve Weights Positive

##### Semantic definitions at the function

Function Definition

This function checks whether the curve weights of a b-spline are positive.

> NOTE Function adapted from curve_weights_positive defined in ISO 10303-42.

> HISTORY New function in IFC2x

##### Formal representations

EXPRESS Specification
`

FUNCTION IfcCurveWeightsPositive
( B: IfcRationalBSplineCurveWithKnots)
: BOOLEAN;
LOCAL
Result : BOOLEAN := TRUE;
END_LOCAL;
REPEAT i := 0 TO B.UpperIndexOnControlPoints;
IF B.Weights[i] <= 0.0 THEN
Result := FALSE;
RETURN(Result);
END_IF;
END_REPEAT;
RETURN(Result);
END_FUNCTION;

`

References: IfcRationalBSplineCurveWithKnots

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