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  3. FVertexWeightedPointSamplingDataflowNode

FVertexWeightedPointSamplingDataflowNode

VertexWeighted Sampling on a DynamicMesh

API > API/Plugins > API/Plugins/GeometryCollectionNodes

VertexWeighted Sampling on a DynamicMesh

   
Name FVertexWeightedPointSamplingDataflowNode
Type struct
Header File /Engine/Plugins/Experimental/GeometryCollectionPlugin/Source/GeometryCollectionNodes/Public/Dataflow/GeometryCollectionSamplingNodes.h
Include Path #include "Dataflow/GeometryCollectionSamplingNodes.h"

Syntax

USTRUCT (Meta=(DataflowGeometryCollection))  
struct FVertexWeightedPointSamplingDataflowNode : public FDataflowNode

Inheritance Hierarchy

Constructors

Name Remarks Include Path Unreal Specifiers

FVertexWeightedPointSamplingDataflowNode ( const UE::Dataflow::FNodeParameters& InParam,
FGuid InGuid
)

   Dataflow/GeometryCollectionSamplingNodes.h  

Variables

Public

Name Type Remarks Include Path Unreal Specifiers
bInvertWeights bool   Dataflow/GeometryCollectionSamplingNodes.h
  • EditAnywhere
  • Category=Options
MaxNumSamples int32 Maximum number of samples requested. If 0 or default value, mesh will be maximally sampled Dataflow/GeometryCollectionSamplingNodes.h
  • EditAnywhere
  • Category=Options
  • Meta=(DataflowInput, UIMin=0)
MaxSamplingRadius float If MaxSampleRadius > SampleRadius, then output sample radius will be in range [SampleRadius, MaxSampleRadius] Dataflow/GeometryCollectionSamplingNodes.h
  • EditAnywhere
  • Category=Options
  • Meta=(DataflowInput, UIMin=0.f)
NumSamplePoints int32 Number of Sampled positions on the mesh Dataflow/GeometryCollectionSamplingNodes.h
  • Meta=(DataflowOutput)
RandomSeed int32 Random Seed used to initialize sampling strategies Dataflow/GeometryCollectionSamplingNodes.h
  • EditAnywhere
  • Category=Options
  • Meta=(DataflowInput)
SampleBarycentricCoords TArray< FVector > Barycentric Coordinates of each Sample Point in it's respective Triangle. Dataflow/GeometryCollectionSamplingNodes.h
  • Meta=(DataflowOutput)
SamplePoints TArray< FVector > Sampled positions on the mesh Dataflow/GeometryCollectionSamplingNodes.h
  • Meta=(DataflowOutput)
SampleRadii TArray< float > Sampled radii Dataflow/GeometryCollectionSamplingNodes.h
  • Meta=(DataflowOutput)
SampleTriangleIDs TArray< int32 > Sampled triangleID Dataflow/GeometryCollectionSamplingNodes.h
  • Meta=(DataflowOutput)
SamplingRadius float Desired "radius" of sample points. Spacing between samples is at least 2x this value. Dataflow/GeometryCollectionSamplingNodes.h
  • EditAnywhere
  • Category=Options
  • Meta=(DataflowInput, UIMin=0.f)
SizeDistribution ENonUniformSamplingDistributionMode SizeDistribution setting controls the distribution of sample radii Dataflow/GeometryCollectionSamplingNodes.h
  • EditAnywhere
  • Category=Distribution
SizeDistributionPower float SizeDistributionPower is used to control how extreme the Size Distribution shift is. Dataflow/GeometryCollectionSamplingNodes.h
  • EditAnywhere
  • Category=Options
  • Meta=(DataflowInput, UIMin=0.f)
SubSampleDensity float Density of subsampling used in Poisson strategy. Dataflow/GeometryCollectionSamplingNodes.h
  • EditAnywhere
  • Category=Options
  • Meta=(DataflowInput, UIMin=0.f)
TargetMesh TObjectPtr< UDynamicMesh > Mesh to sample points on Dataflow/GeometryCollectionSamplingNodes.h
  • Meta=(DataflowInput, DataflowIntrinsic)
VertexWeights TArray< float > Weight array Dataflow/GeometryCollectionSamplingNodes.h
  • Meta=(DataflowInput, DataflowIntrinsic)
WeightMode ENonUniformSamplingWeightMode   Dataflow/GeometryCollectionSamplingNodes.h
  • EditAnywhere
  • Category=Distribution

Functions

Public

Name Remarks Include Path Unreal Specifiers

DATAFLOW_NODE_DEFINE_INTERNAL ( FVertexWeightedPointSamplingDataflowNode,
"VertexWeightedPointSampling",
"PointSampling",
""
)

   Dataflow/GeometryCollectionSamplingNodes.h  

FName ( "TArray"
)

   Dataflow/GeometryCollectionSamplingNodes.h  

Overridden from FDataflowNode

Name Remarks Include Path Unreal Specifiers

virtual void Evaluate ( UE::Dataflow::FContext& Context,
const FDataflowOutput* Out
) const

   Dataflow/GeometryCollectionSamplingNodes.h  

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