RTreeQuery class
#include <RTreeQuery.h>
Class responsible for loading and querying R-trees.
Contents
This class handles loading R-trees from disk with configurable caching for efficient lookup of the nearest cell for a given position.
Constructors, destructors, conversion operators
-
RTreeQuery(RTreeHelpers::
CoordinateSystem coordSys) explicit - Construct an RTreeQuery with a specific coordinate system.
- ~RTreeQuery() defaulted
Public functions
- void load(const std::string& base_path, size_t cache_size = 262144)
- Load an R-tree from disk with caching.
- auto query_point(const Position& pos) const -> uint64_t
- Query the nearest cell for a given position.
Function documentation
RTreeQuery::
Construct an RTreeQuery with a specific coordinate system.
| Parameters | |
|---|---|
| coordSys | The coordinate system used by this layer's cells |
void RTreeQuery::
Load an R-tree from disk with caching.
| Parameters | |
|---|---|
| base_path | Path to the R-tree index file |
| cache_size | Size of the cache in bytes (default: 256KB) |
auto RTreeQuery::
Query the nearest cell for a given position.
| Parameters | |
|---|---|
| pos | The position to query |
| Returns | Pointer to the nearest cell |