1. Epic GamesDeveloper
  3. FMergeConvexHullsDataflowNode

FMergeConvexHullsDataflowNode

Merge convex hulls on transforms with multiple hulls

API > API/Plugins > API/Plugins/GeometryCollectionNodes

Merge convex hulls on transforms with multiple hulls

   
Name FMergeConvexHullsDataflowNode
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 FMergeConvexHullsDataflowNode : public FDataflowNode

Inheritance Hierarchy

Constructors

Name Remarks Include Path Unreal Specifiers

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

   Dataflow/GeometryCollectionUtilityNodes.h  

Variables

Public

Name Type Remarks Include Path Unreal Specifiers  
bComputeNegativeSpacePerBone bool Whether to compute separate negative space for each bone. Dataflow/GeometryCollectionUtilityNodes.h
  • EditAnywhere
  • Category=NegativeSpace
  • Meta=(EditCondition="bProtectNegativeSpace", EditConditionHides)
  
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)
  
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)
  
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, ClampMin="0", UIMax="100.", Units=cm)
  
MaxConvexCount int32 Maximum number of convex to generate per transform. Ignored if < 0. Dataflow/GeometryCollectionUtilityNodes.h
  • EditAnywhere
  • Category="Convex"
  • Meta=(DataflowInput)
  
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(FMergeConvexHullsDataflowNode, "MergeConvexHulls", "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  

Ask questions and help your peers Developer Forums

Write your own tutorials or read those from others Learning Library

On this page