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DotProduct Method

The dot product of this vector and the specified vector.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)

Syntax

C# 
public double DotProduct(
	XYZ source
)
Visual Basic 
Public Function DotProduct ( _
	source As XYZ _
) As Double
Visual C++ 
public:
double DotProduct(
	XYZ^ source
)

Parameters

source
Type: Autodesk.Revit.DB XYZ
The vector to multiply with this vector.

Return Value

The real number equal to the dot product.

Remarks

The dot product is the sum of the respective coordinates of the two vectors: Vx*Wx + Vy*Wy + Vz*Wz. Also known as scalar product or inner product.

Exceptions

Exception Condition
Autodesk.Revit.Exceptions ArgumentNullException Thrown when source is a null reference ( Nothing in Visual Basic) .

See Also