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  3. FLidarPointCloudOctreeNode

FLidarPointCloudOctreeNode

WARNING: Exercise caution when modifying the contents of the Octree, as it may be in use by the Rendering Thread via FPointCloudSceneProxy Use the FLidarPointCloudOctree::DataLock prior to such attempt Child ordering 0 X- Y- Z- 1 X- Y- Z+ 2 X- Y+ Z- 3 X- Y+ Z+ 4 X+ Y- Z- 5 X+ Y- Z+ 6 X+ Y+ Z- 7 X+ Y+ Z+ Represents a single octant in the tree.

API > API/Plugins > API/Plugins/LidarPointCloudRuntime

WARNING: Exercise caution when modifying the contents of the Octree, as it may be in use by the Rendering Thread via FPointCloudSceneProxy Use the FLidarPointCloudOctree::DataLock prior to such attempt Child ordering 0 X- Y- Z- 1 X- Y- Z+ 2 X- Y+ Z- 3 X- Y+ Z+ 4 X+ Y- Z- 5 X+ Y- Z+ 6 X+ Y+ Z- 7 X+ Y+ Z+ Represents a single octant in the tree.

   
Name FLidarPointCloudOctreeNode
Type struct
Header File /Engine/Plugins/Enterprise/LidarPointCloud/Source/LidarPointCloudRuntime/Public/LidarPointCloudOctree.h
Include Path #include "LidarPointCloudOctree.h"

Syntax

struct FLidarPointCloudOctreeNode

Constructors

Name Remarks Include Path Unreal Specifiers

FLidarPointCloudOctreeNode ( FLidarPointCloudOctree* Tree,
const uint8& Depth
)

   LidarPointCloudOctree.h  

FLidarPointCloudOctreeNode ( FLidarPointCloudOctree* Tree,
const uint8& Depth,
const uint8& LocationInParent,
const FVector3f& Center
)

   LidarPointCloudOctree.h  
  LidarPointCloudOctree.h  
  LidarPointCloudOctree.h  

Destructors

Name Remarks Include Path Unreal Specifiers

~FLidarPointCloudOctreeNode()

   LidarPointCloudOctree.h  

Variables

Protected

Name Type Remarks Include Path Unreal Specifiers
bCanReleaseData TAtomic< bool > This is used to prevent nodes with changed content from being overwritten by consecutive streaming. LidarPointCloudOctree.h  
bHasData TAtomic< bool > True, if the node has its data loaded LidarPointCloudOctree.h  
bHasDataPending TAtomic< bool > Used to keep track, which data is available for rendering LidarPointCloudOctree.h  
bHasSelection bool Marks the node as containing active selection LidarPointCloudOctree.h  
bInUse bool Marks the node as being used for rendering LidarPointCloudOctree.h  
bRenderDataDirty bool   LidarPointCloudOctree.h  
BulkDataLifetime float Stores the time, at which the BulkData needs to be released LidarPointCloudOctree.h  
BulkDataOffset int64 Offset in the archive file, where the data for this node is located LidarPointCloudOctree.h  
BulkDataSize uint32   LidarPointCloudOctree.h  
bVisibilityDirty bool Marks the node for visibility recalculation next time it's necessary LidarPointCloudOctree.h  
Center FVector3f Center point of this node. LidarPointCloudOctree.h  
Children TArray< FLidarPointCloudOctreeNode * > #todo: Change to TIndirectArray<> - investigate increased memory consumption, ~130 bytes / Node LidarPointCloudOctree.h  
Data TArray< FLidarPointCloudPoint > Holds point data allocated to this node Can be empty, if the data hasn't been streamed in yet LidarPointCloudOctree.h  
DataCache TSharedPtr< FLidarPointCloudRenderBuffer > Holds render data for this node LidarPointCloudOctree.h  
Depth uint8 Depth of this node LidarPointCloudOctree.h  
FLidarPointCloudOctree friend   LidarPointCloudOctree.h  
FLidarPointCloudTraversalOctree friend   LidarPointCloudOctree.h  
FLidarPointCloudTraversalOctreeNode friend   LidarPointCloudOctree.h  
LocationInParent uint8 Location of this node inside the parent node - see the Child Ordering at the top of the file LidarPointCloudOctree.h  
MapLock FCriticalSection   LidarPointCloudOctree.h  
NumPoints uint32 Stores the number of points this node contains. LidarPointCloudOctree.h  
NumVisiblePoints uint32 Stores the number of visible points LidarPointCloudOctree.h  
RayTracingGeometry TSharedPtr< FLidarPointCloudRayTracingGeometry >   LidarPointCloudOctree.h  
Tree FLidarPointCloudOctree * Pointer to the Tree holding this node LidarPointCloudOctree.h  
VertexFactory TSharedPtr< FLidarPointCloudVertexFactory >   LidarPointCloudOctree.h  

Functions

Public

Name Remarks Include Path Unreal Specifiers

void AddPointCount ( int32 PointCount
)

 Convenience function, to add point statistics to the Tree table. LidarPointCloudOctree.h  

bool BuildDataCache ( bool bUseStaticBuffers,
bool bUseRayTracing
)

 Builds and updates the necessary render data buffers Returns true if successful LidarPointCloudOctree.h  

void Empty ( bool bRecursive
)

 Removes all points. LidarPointCloudOctree.h  

int64 GetAllocatedSize ( bool bRecursive,
bool bIncludeBulkData
) const

 Returns the amount of memory used by this node LidarPointCloudOctree.h  

FBox GetBounds()

 Calculates and returns the bounds of this node LidarPointCloudOctree.h  

FLidarPointCloudOctreeNode * GetChildNodeAtLocation ( const uint8& Location
) const

 Returns a pointer to the node at the given location, or null if one doesn't exist yet. LidarPointCloudOctree.h  

uint8 GetChildrenBitmask()

   LidarPointCloudOctree.h  

FLidarPointCloudPoint * GetData()

 Returns a pointer to the point data LidarPointCloudOctree.h  

TSharedPtr< FLidarPointCloudRenderBuffer > GetDataCache()

 Returns a pointer to the point data LidarPointCloudOctree.h  

uint32 GetMaxDepth()

 Returns the maximum depth of any children of this node . LidarPointCloudOctree.h  

uint32 GetNumPoints()

 Returns the sum of grid and padding points allocated to this node. LidarPointCloudOctree.h  

uint32 GetNumVisiblePoints()

 Returns the sum of visible grid and padding points allocated to this node. LidarPointCloudOctree.h  

FLidarPointCloudPoint * GetPersistentData()

 Returns a pointer to the point data and prevents it from being released LidarPointCloudOctree.h  

TSharedPtr< FLidarPointCloudRayTracingGeometry > GetRayTracingGeometry()

 Return a pointer to the ray tracing geometry LidarPointCloudOctree.h  

FSphere GetSphereBounds()

 Calculates and returns the sphere bounds of this node LidarPointCloudOctree.h  

TSharedPtr< FLidarPointCloudVertexFactory > GetVertexFactory()

 Return a pointer to the vertex factory containing pre-cached geometry LidarPointCloudOctree.h  

bool HasData()

 Returns true, if the node has its data loaded LidarPointCloudOctree.h  

bool HasRenderData()

 Returns true, if the node has its data loaded LidarPointCloudOctree.h  

void InsertPoints ( const FLidarPointCloudPoint* Points,
const int64& Count,
ELidarPointCloudDuplicateHandling DuplicateHandling,
const FVector3f& Translation
)

 Attempts to insert given points to this node or passes it to the children, otherwise. LidarPointCloudOctree.h  

void InsertPoints ( FLidarPointCloudPoint** Points,
const int64& Count,
ELidarPointCloudDuplicateHandling DuplicateHandling,
const FVector3f& Translation
)

   LidarPointCloudOctree.h  

void ReleaseData ( bool bForce
)

 Releases the BulkData If forced, the node will be released even if persistent LidarPointCloudOctree.h  

void ReleaseDataCache()

 Releases and removes the render data cache LidarPointCloudOctree.h  

void SortVisiblePoints()

 Sorts the points by visibility (visible first) to optimize data processing and rendering LidarPointCloudOctree.h  

void UpdateNumVisiblePoints()

   LidarPointCloudOctree.h  

Operators

Name Remarks Include Path Unreal Specifiers
  LidarPointCloudOctree.h  
  LidarPointCloudOctree.h  

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