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  3. FMergeUVIslandsDataflowNode

FMergeUVIslandsDataflowNode

Merge adjacent UV Islands with similar normals for a specific UV channel

API > API/Plugins > API/Plugins/GeometryCollectionNodes

Merge adjacent UV Islands with similar normals for a specific UV channel

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

Syntax

USTRUCT ()  
struct FMergeUVIslandsDataflowNode : public FDataflowNode

Inheritance Hierarchy

Constructors

Name Remarks Include Path Unreal Specifiers

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

   Dataflow/GeometryCollectionUVNodes.h  

Variables

Public

Name Type Remarks Include Path Unreal Specifiers
Collection     Dataflow/GeometryCollectionUVNodes.h  

Protected

Name Type Remarks Include Path Unreal Specifiers
AreaDistortionThreshold double Threshold for allowed area distortion from merging islands (when we use ExpMap to compute new UVs for the merged island) Dataflow/GeometryCollectionUVNodes.h
  • EditAnywhere
  • Category=Options
  • Meta=(DataflowInput, ClampMin=0, ClampMax=10, UIMin=0, UIMax=10)
Collection FManagedArrayCollection Target Collection Dataflow/GeometryCollectionUVNodes.h
  • Meta=(DataflowInput, DataflowOutput, DataflowPassthrough="Collection", DataflowIntrinsic)
FaceSelection FDataflowFaceSelection Faces to auto unwrap, no selection means all faces Dataflow/GeometryCollectionUVNodes.h
  • Meta=(DataflowInput)
MaxNormalDeviationDeg double Threshold for allowed normal deviation between merge-able islands. Dataflow/GeometryCollectionUVNodes.h
  • EditAnywhere
  • Category=Options
  • Meta=(DataflowInput, ClampMin=0, ClampMax=180, UIMin=0, UIMax=90)
NormalSmoothingAlpha double Strength of normal smoothing to apply when computing new UVs for merged islands. Stronger smoothing will result in UV maps that are less sensitive to local surface shape. Dataflow/GeometryCollectionUVNodes.h
  • EditAnywhere
  • Category=Options
  • AdvancedDisplay
  • Meta=(DataflowInput, ClampMin=0, ClampMax=1, UIMin=0, UIMax=1)
NormalSmoothingRounds int32 Amount of normal smoothing to apply when computing new UVs for merged islands. More smoothing will result in UV maps that are less sensitive to local surface shape. Dataflow/GeometryCollectionUVNodes.h
  • EditAnywhere
  • Category=Options
  • AdvancedDisplay
  • Meta=(DataflowInput, ClampMin=0, ClampMax=500, UIMin=0, UIMax=100)
UVChannel int32 UV channel to unwrap into ( 0 by default ) Dataflow/GeometryCollectionUVNodes.h
  • EditAnywhere
  • Category=Options
  • Meta=(DataflowInput, DataflowOutput, DataflowPassthrough="UVChannel", ClampMin=0, ClampMax=7, UIMin=0, UIMax=7)

Functions

Public

Name Remarks Include Path Unreal Specifiers

DATAFLOW_NODE_DEFINE_INTERNAL ( FMergeUVIslandsDataflowNode,
"MergeUVIslands",
"GeometryCollection|UV",
""
)

   Dataflow/GeometryCollectionUVNodes.h  

FGeometryCollection::StaticType()

   Dataflow/GeometryCollectionUVNodes.h  

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