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tilemaker/include/osm_mem_tiles.h
2024-04-01 17:24:47 +01:00

62 lines
1.7 KiB
C++

/*! \file */
#ifndef _OSM_MEM_TILES
#define _OSM_MEM_TILES
#include "tile_data.h"
#include "osm_store.h"
#include "geometry_cache.h"
// NB: Currently, USE_NODE_STORE and USE_WAY_STORE are equivalent.
// If we permit LayerAsCentroid to be generated from the OSM stores,
// this will have to change.
#define OSM_THRESHOLD (1ull << TILE_DATA_ID_SIZE)
#define USE_NODE_STORE (2ull << TILE_DATA_ID_SIZE)
#define IS_NODE(x) (((x) >> TILE_DATA_ID_SIZE) == (USE_NODE_STORE >> TILE_DATA_ID_SIZE))
#define USE_WAY_STORE (1ull << TILE_DATA_ID_SIZE)
#define IS_WAY(x) (((x) >> TILE_DATA_ID_SIZE) == (USE_WAY_STORE >> TILE_DATA_ID_SIZE))
#define OSM_ID(x) ((x) & 0b1111111111111111111111111111111111)
class NodeStore;
class WayStore;
/**
\brief OsmMemTiles stores OSM objects in memory and provides a vector of OutputObjectf for specified tiles
The input objects are generated by PbfReader. The output objects are sent to OsmMemTiles for storage.
This class provides a consistent interface for Lua scripts to access.
*/
class OsmMemTiles : public TileDataSource {
public:
OsmMemTiles(
size_t threadNum,
uint indexZoom,
bool includeID,
const NodeStore& nodeStore,
const WayStore& wayStore
);
std::string name() const override { return "osm"; }
Geometry buildWayGeometry(
const OutputGeometryType geomType,
const NodeID objectID,
const TileBbox &bbox
) override;
LatpLon buildNodeGeometry(NodeID const objectID, const TileBbox &bbox) const override;
void Clear();
private:
void populateLinestring(Linestring& ls, NodeID objectID) const;
Linestring& getOrBuildLinestring(NodeID objectID) const;
void populateMultiPolygon(MultiPolygon& dst, NodeID objectID) override;
const NodeStore& nodeStore;
const WayStore& wayStore;
};
#endif //_OSM_MEM_TILES