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FPointSetHashTable builds a spatial data structure that supports efficient range queries on a point set (in FPointSetAdapterd form). The spatial data structure is currently a uniform sparse 3D grid.
| Name | FPointSetHashtable |
| Type | class |
| Header File | /Engine/Source/Runtime/GeometryCore/Public/Spatial/PointSetHashTable.h |
| Include Path | #include "Spatial/PointSetHashTable.h" |
Syntax
class FPointSetHashtable
Constructors
| Name | Remarks | Include Path | Unreal Specifiers |
|---|---|---|---|
FPointSetHashtable
(
FPointSetAdapterd* PointSetIn |
Spatial/PointSetHashTable.h |
Typedefs
| Name | Type | Remarks | Include Path |
|---|---|---|---|
| PointList | TArray< int > | Spatial/PointSetHashTable.h |
Functions
Public
| Name | Remarks | Include Path | Unreal Specifiers |
|---|---|---|---|
void Build
(
double CellSize, |
Construct the spatial data structure for the current point set | Spatial/PointSetHashTable.h | |
bool FindPointsInBall
(
const FVector3d& QueryPt, |
Find all points within given query distance from query point. | Spatial/PointSetHashTable.h |