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> Unreal Engine API Reference > Plugins > GeometricObjects > VectorUtil::TriGradient

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VectorUtil::TriGradient

Calculate gradient of scalar field values fi,fj,fk defined at corners of triangle Vi,Vj,Vk and interpolated across triangle using linear basis functions.

Windows

MacOS

Linux

References

Module	GeometricObjects
Header	/Engine/Plugins/Experimental/GeometryProcessing/Source/GeometricObjects/Public/VectorUtil.h
Include	#include "VectorUtil.h"

Syntax

namespace VectorUtil
{
    template<typename RealType>
    FVector3< RealType > VectorUtil::TriGradient
    (
        FVector3< RealType > Vi,
        FVector3< RealType > Vj,
        FVector3< RealType > Vk,
        RealType fi,
        RealType fj,
        RealType fk
    )
}

Remarks

Calculate gradient of scalar field values fi,fj,fk defined at corners of triangle Vi,Vj,Vk and interpolated across triangle using linear basis functions. This gradient is a 3D vector lying in the plane of the triangle (or zero if field is constant).

Returns

gradient (3D vector) lying in plane of triangle.

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