mirror of
https://github.com/systemed/tilemaker.git
synced 2026-05-07 00:40:26 -04:00
Richard Fairhurst
78 lines
2.7 KiB
C++
78 lines
2.7 KiB
C++
/*! \file */
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#ifndef _TILE_DATA_H
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#define _TILE_DATA_H
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#include <map>
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#include <set>
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#include <vector>
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#include <memory>
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#include "output_object.h"
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typedef std::vector<OutputObjectRef>::const_iterator OutputObjectsConstIt;
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typedef std::pair<OutputObjectsConstIt, OutputObjectsConstIt> OutputObjectsConstItPair;
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typedef std::map<TileCoordinates, std::vector<OutputObjectRef>, TileCoordinatesCompare> TileIndex;
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typedef std::set<TileCoordinates, TileCoordinatesCompare> TileCoordinatesSet;
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class TileDataSource {
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protected:
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std::mutex mutex;
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TileIndex tileIndex;
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std::deque<OutputObject> objects;
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// rtree index of large objects
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using oo_rtree_param_type = boost::geometry::index::quadratic<128>;
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boost::geometry::index::rtree< std::pair<Box,OutputObjectRef>, oo_rtree_param_type> box_rtree;
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unsigned int baseZoom;
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public:
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TileDataSource(unsigned int baseZoom)
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: baseZoom(baseZoom)
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{ }
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///This must be thread safe!
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void MergeTileCoordsAtZoom(uint zoom, TileCoordinatesSet &dstCoords) {
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MergeTileCoordsAtZoom(zoom, baseZoom, tileIndex, dstCoords);
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}
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void MergeLargeCoordsAtZoom(uint zoom, TileCoordinatesSet &dstCoords);
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///This must be thread safe!
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void MergeSingleTileDataAtZoom(TileCoordinates dstIndex, uint zoom, std::vector<OutputObjectRef> &dstTile) {
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MergeSingleTileDataAtZoom(dstIndex, zoom, baseZoom, tileIndex, dstTile);
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}
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OutputObjectRef CreateObject(OutputObject const &oo) {
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std::lock_guard<std::mutex> lock(mutex);
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objects.push_back(oo);
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return &objects.back();
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}
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void AddObject(TileCoordinates const &index, OutputObjectRef const &oo) {
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std::lock_guard<std::mutex> lock(mutex);
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tileIndex[index].push_back(oo);
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}
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void AddObjectToLargeIndex(Box const &envelope, OutputObjectRef const &oo) {
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std::lock_guard<std::mutex> lock(mutex);
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box_rtree.insert(std::make_pair(envelope, oo));
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}
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void MergeLargeObjects(TileCoordinates dstIndex, uint zoom, std::vector<OutputObjectRef> &dstTile);
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private:
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static void MergeTileCoordsAtZoom(uint zoom, uint baseZoom, const TileIndex &srcTiles, TileCoordinatesSet &dstCoords);
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static void MergeSingleTileDataAtZoom(TileCoordinates dstIndex, uint zoom, uint baseZoom, const TileIndex &srcTiles, std::vector<OutputObjectRef> &dstTile);
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};
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TileCoordinatesSet GetTileCoordinates(std::vector<class TileDataSource *> const &sources, unsigned int zoom);
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std::vector<OutputObjectRef> GetTileData(std::vector<class TileDataSource *> const &sources,
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std::vector<bool> const &sortOrders,
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TileCoordinates coordinates, unsigned int zoom);
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OutputObjectsConstItPair GetObjectsAtSubLayer(std::vector<OutputObjectRef> const &data, uint_least8_t layerNum);
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#endif //_TILE_DATA_H
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