FBuildCurveWeightsDataflowNode | Unreal Engine 5.7 Documentation

Build a weight map that will be identical on every curves


Name	FBuildCurveWeightsDataflowNode
Type	struct
Header File	/Engine/Plugins/Runtime/HairStrands/Source/HairStrandsDataflow/Public/AttachGuidesRootsNode.h
Include Path	#include "AttachGuidesRootsNode.h"

Syntax

USTRUCT (Meta=(Experimental, DataflowGroom))  
struct FBuildCurveWeightsDataflowNode : public FDataflowNode

FSharedFromThisBase → TSharedFromThis → FDataflowNode → FBuildCurveWeightsDataflowNode

Name	Type	Remarks	Include Path	Unreal Specifiers
Collection	FManagedArrayCollection	Managed array collection to be used to store datas	AttachGuidesRootsNode.h	Meta=(DataflowInput, DataflowOutput, DisplayName="Collection", DataflowPassthrough="Collection", DataflowRenderGroups="Surface")
CurveSelection	FDataflowCurveSelection	Curve selection to focus the geometry transfer spatially	AttachGuidesRootsNode.h	Meta=(DataflowInput, DisplayName="Curve Selection")
CurveWeights	FRuntimeFloatCurve	Weight value along each curves	AttachGuidesRootsNode.h	EditAnywhere Category="Curves" Meta=(DisplayName="Curve Weights", ViewMinInput="0.0", ViewMaxInput="1.0", ViewMinOutput="0.0", ViewMaxOutput="1.0", TimeLineLength="1.0", XAxisName="Curve Coordinate (0,1)", YAxisName="Weight value", ToolTip="This curve determines the weight value from root to tip. \n The X axis range is [0,1], 0 mapping the root and 1 the tip")
WeightsAttribute	FCollectionAttributeKey	Vertex kinematic weights key to be used in other nodes if necessary	AttachGuidesRootsNode.h	EditAnywhere Category="Curves" Meta=(DisplayName="Weights Attribute", DataflowInput)

Name	Remarks	Include Path	Unreal Specifiers
DATAFLOW_NODE_DEFINE_INTERNAL ( FBuildCurveWeightsDataflowNode, "BuildCurveWeights", "Groom", "" )		AttachGuidesRootsNode.h

Name	Remarks	Include Path	Unreal Specifiers
virtual void Evaluate ( UE::Dataflow::FContext& Context, const FDataflowOutput* Out ) const		AttachGuidesRootsNode.h