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> Unreal Engine API Reference > Plugins > DynamicMesh > Selections > FMeshConnectedComponents

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FMeshConnectedComponents

[FMeshConnectedComponents](API\Plugins\DynamicMesh\Selections\FMeshConnectedComponents) calculates Connected Components of a Mesh, or sub-regions of a Mesh.

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References

Module	DynamicMesh
Header	/Engine/Plugins/Experimental/GeometryProcessing/Source/DynamicMesh/Public/Selections/MeshConnectedComponents.h
Include	#include "Selections/MeshConnectedComponents.h"

Syntax

class FMeshConnectedComponents

Remarks

FMeshConnectedComponents calculates Connected Components of a Mesh, or sub-regions of a Mesh. By default the actual mesh connectivity is used, but an optional connectivity predicate can be provided to specify when two elements should be considered connected.

Variables

		Name	Description
	TIndirectArray<...	Components	List of Connected Components that have been found by one of the calculation functions
	const FDynamicM...	Mesh

Constructors

	Name	Description
	FMeshConnectedComponents ( const FDynamicMesh3* MeshIn )

Functions

	Name	Description
auto	begin()
auto	begin()	DO NOT USE DIRECTLY STL-like iterators to enable ranged-based for loop support (forwarding TIndirectArray declarations)
auto	end()
auto	end()
void	FindConnectedTriangles ( TFunctionRef< bool> IndexFilte..., TFunction< bool, int32)> Tris... )	Find all connected triangle components of a subset of triangles of the Mesh and store in Components array.
void	FindConnectedTriangles ( const TArray< int >& TriangleROI, TFunction< bool, int32)> Tris... )	Find all connected triangle components of a subset of triangles of the Mesh and store in Components array.
void	FindConnectedTriangles ( TFunction< bool, int32)> Tris... )	Calculation functions.
void	FindTrianglesConnectedToSeeds ( const TArray< int >& SeedTriangles, TFunction< bool, int32)> Tris... )	Find all connected triangle components that contain one or more Seed Triangles and store in Components array.
void	FindTriComponent ( FComponent* Component, TArray< int32 >& ComponentQueue, TArray< uint8 >& ActiveSet )	Internal functions to calculate ROI
void	FindTriComponent ( FComponent* Component, TArray< int32 >& ComponentQueue, TArray< uint8 >& ActiveSet, TFunctionRef< bool, int32)> T... )	Internal functions to calculate ROI
void	FindTriComponents ( FInterval1i ActiveRange, TArray< uint8 >& ActiveSet, TFunction< bool, int32)> TriC... )	Internal functions to calculate ROI
void	FindTriComponents ( const TArray< int32 >& SeedList, TArray< uint8 >& ActiveSet, TFunction< bool, int32)> TriC... )	Internal functions to calculate ROI
const FCompo...	GetComponent ( int32 Index )
FComponent &	GetComponent ( int32 Index )
int32	GetLargestIndexByCount()
void	GrowToConnectedTriangles ( const FDynamicMesh3* Mesh, const TArray< int >& InputROI, TArray< int >& ResultROI, TArray< int32 >* QueueBuffer, TSet< int32 >* DoneBuffer, TFunctionRef< bool, int32)> C... )	Utility function to expand a triangle selection to all triangles considered "connected".
int32	Num()	Query functions. Only valid to call after a Calculation function has been called.
void	RemoveFromActiveSet ( const FComponent* Component, TArray< uint8 >& ActiveSet )
void	SortByCount ( bool bLargestFirst )	Sort the Components array by component element count

Classes

	Name	Description
	FComponent	Connected Component found by one of the calculation functions

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