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  3. FGenerateClusterConvexHullsFromChildrenHullsDataflowNode

FGenerateClusterConvexHullsFromChildrenHullsDataflowNode

Generates cluster convex hulls for children hulls

API > API/Plugins > API/Plugins/GeometryCollectionNodes

Generates cluster convex hulls for children hulls

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

Syntax

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

Inheritance Hierarchy

Constructors

Name Remarks Include Path Unreal Specifiers

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

   Dataflow/GeometryCollectionUtilityNodes.h  

Variables

Public

Name Type Remarks Include Path Unreal Specifiers  
bAllowMergingLeafHulls bool Also allow the same hull merging process to run on leaf hulls (merging hulls on leaves in the selection) Dataflow/GeometryCollectionUtilityNodes.h
  • EditAnywhere
  • Category="Convex"
  • Meta=(DataflowInput)
  
bOnlyConnectedToHull bool When performing Voxel Search, only look for negative space that is connected out to the convex hull. Dataflow/GeometryCollectionUtilityNodes.h
  • EditAnywhere
  • Category=NegativeSpace
  • Meta=(EditCondition="bProtectNegativeSpace && SampleMethod != ENegativeSpaceSampleMethodDataflowEnum::Uniform", EditConditionHides)
  
bPreferExternalCollisionShapes bool Whether to prefer available External (imported) collision shapes instead of the computed convex hulls on the Collection Dataflow/GeometryCollectionUtilityNodes.h
  • EditAnywhere
  • Category="Convex"
  
bProtectNegativeSpace bool Whether to use a sphere cover to define negative space that should not be covered by convex hulls Dataflow/GeometryCollectionUtilityNodes.h
  • EditAnywhere
  • Category=NegativeSpace
  • Meta=(DataflowInput)
  
bRandomizeColor bool Randomize color per convex hull Dataflow/GeometryCollectionUtilityNodes.h
  • EditAnywhere
  • Category="Debug Draw"
  
bRequireSearchSampleCoverage bool Whether to require that all candidate locations identified by Voxel Search are covered by negative space samples, up to the specified Min Sample Spacing. Dataflow/GeometryCollectionUtilityNodes.h
  • EditAnywhere
  • Category=NegativeSpace
  • Meta=(EditCondition="bProtectNegativeSpace && SampleMethod != ENegativeSpaceSampleMethodDataflowEnum::Uniform", EditConditionHides)
  
ColorRandomSeed int32 Random seed Dataflow/GeometryCollectionUtilityNodes.h
  • EditAnywhere
  • Category="Debug Draw"
  • Meta=(ClampMin="0", EditCondition="bRandomizeColor==true", EditConditionHides)
  
ConvexCount int32 Maximum number of convex to generate for a specific cluster. Dataflow/GeometryCollectionUtilityNodes.h
  • EditAnywhere
  • Category="Convex"
  • Meta=(DataflowInput, EditCondition="ErrorTolerance == 0")
  
DebugDrawRenderSettings FDataflowNodeDebugDrawSettings   Dataflow/GeometryCollectionUtilityNodes.h
  • EditAnywhere
  • Category="Debug Draw"
  • Meta=(ShowOnlyInnerProperties)
  
ErrorTolerance double Error tolerance to use to decide to merge leaf convex together. Dataflow/GeometryCollectionUtilityNodes.h
  • EditAnywhere
  • Category="Convex"
  • Meta=(DataflowInput, UIMin="0", UIMax="100.", Units=cm)
  
MergeProximityDistanceThreshold float If applying a convex hull proximity filter, the distance threshold to use for determining that two convex hulls are close enough to merge Dataflow/GeometryCollectionUtilityNodes.h
  • EditAnywhere
  • Category="Convex"
  • Meta=(Units=cm, EditCondition="MergeProximityFilter != EConvexHullProximityFilter::None")
  
MergeProximityFilter EConvexHullProximityFilter Filter to optionally only consider spatially close convex hulls for merges Dataflow/GeometryCollectionUtilityNodes.h
  • EditAnywhere
  • Category="Convex"
  
MinRadius double Spheres smaller than this are not included in the negative space Dataflow/GeometryCollectionUtilityNodes.h
  • EditAnywhere
  • Category=NegativeSpace
  • Meta=(DataflowInput, ClampMin=0, Units=cm, EditCondition="bProtectNegativeSpace", EditConditionHides)
  
MinSampleSpacing double Minimum desired spacing between spheres; if > 0, will attempt not to place sphere centers closer than this Dataflow/GeometryCollectionUtilityNodes.h
  • EditAnywhere
  • Category=NegativeSpace
  • Meta=(DataflowInput, ClampMin=0, Units=cm, EditCondition="bProtectNegativeSpace", EditConditionHides)
  
NegativeSpaceTolerance double Amount of space to leave between convex hulls and protected negative space Dataflow/GeometryCollectionUtilityNodes.h
  • EditAnywhere
  • Category=NegativeSpace
  • Meta=(DataflowInput, ClampMin=.01, UIMin=.1, Units=cm, EditCondition="bProtectNegativeSpace", EditConditionHides)
  
OptionalSelectionFilter FDataflowTransformSelection Optional transform selection to compute cluster hulls on if not provided, all cluster hulls will be computed. Dataflow/GeometryCollectionUtilityNodes.h
  • Meta=(DataflowInput)
  
SampleMethod ENegativeSpaceSampleMethodDataflowEnum Method to use to find and sample negative space Dataflow/GeometryCollectionUtilityNodes.h
  • EditAnywhere
  • Category=NegativeSpace
  • Meta=(EditCondition="bProtectNegativeSpace", EditConditionHides)
  
SphereCovering DATAFLOW_NODE_DEFINE_INTERNAL(FGenerateClusterConvexHullsFromChildrenHullsDataflowNode, "GenerateClusterConvexHullsFromChildrenHulls", "GeometryCollection Utilities", "") private FDataflowSphereCovering A representation of the negative space protected by the 'protect negative space' option. If negative space is not protected, this will contain zero spheres. Dataflow/GeometryCollectionUtilityNodes.h
  • Meta=(DataflowOutput)
SphereCoveringDebugDrawRenderSettings FDataflowNodeSphereCoveringDebugDrawSettings   Dataflow/GeometryCollectionUtilityNodes.h
  • EditAnywhere
  • Category="Debug Draw - Sphere Covering"
  • Meta=(ShowOnlyInnerProperties)
  
TargetNumSamples int32 Approximate number of spheres to consider when covering negative space. Dataflow/GeometryCollectionUtilityNodes.h
  • EditAnywhere
  • Category=NegativeSpace
  • Meta=(DataflowInput, ClampMin=1, EditCondition="bProtectNegativeSpace", EditConditionHides)
  

Functions

Public

Overridden from FDataflowNode

Name Remarks Include Path Unreal Specifiers

virtual bool CanDebugDraw()

   Dataflow/GeometryCollectionUtilityNodes.h  

virtual bool CanDebugDrawViewMode ( const FName& ViewModeName
) const

   Dataflow/GeometryCollectionUtilityNodes.h  

virtual void DebugDraw ( UE::Dataflow::FContext& Context,
IDataflowDebugDrawInterface& DataflowRenderingInterface,
const FDebugDrawParameters& DebugDrawParameters
) const

   Dataflow/GeometryCollectionUtilityNodes.h  

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

   Dataflow/GeometryCollectionUtilityNodes.h  

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