FM / extractor

/srv/osrm/osrm-backend/include/extractor/

/srv/osrm/osrm-backend/include/extractor

Name	Size	Mode	Actions
intersection/	-	0755	rm
class_data.hpp	981	0644	edit dl rm
compressed_edge_container.hpp	3336	0644	edit dl rm
compressed_node_based_graph_edge.hpp	418	0644	edit dl rm
conditional_turn_penalty.hpp	589	0644	edit dl rm
datasources.hpp	1207	0644	edit dl rm
edge_based_edge.hpp	3467	0644	edit dl rm
edge_based_graph_factory.hpp	7787	0644	edit dl rm
edge_based_node.hpp	383	0644	edit dl rm
edge_based_node_segment.hpp	2050	0644	edit dl rm
extraction_containers.hpp	3679	0644	edit dl rm
extraction_helper_functions.hpp	4827	0644	edit dl rm
extraction_node.hpp	459	0644	edit dl rm
extraction_relation.hpp	5949	0644	edit dl rm
extraction_segment.hpp	715	0644	edit dl rm
extraction_turn.hpp	4983	0644	edit dl rm
extraction_way.hpp	4268	0644	edit dl rm
extractor.hpp	5267	0644	edit dl rm
extractor_callbacks.hpp	3249	0644	edit dl rm
extractor_config.hpp	3040	0644	edit dl rm
files.hpp	24372	0644	edit dl rm
graph_compressor.hpp	1271	0644	edit dl rm
internal_extractor_edge.hpp	2642	0644	edit dl rm
intersection_bearings_container.hpp	4487	0644	edit dl rm
location_dependent_data.hpp	1797	0644	edit dl rm
maneuver_override.hpp	5456	0644	edit dl rm
maneuver_override_relation_parser.hpp	1785	0644	edit dl rm
name_table.hpp	3596	0644	edit dl rm
nbg_to_ebg.hpp	450	0644	edit dl rm
nodes_of_way.hpp	1411	0644	edit dl rm
node_based_edge.hpp	8024	0644	edit dl rm
node_based_graph_factory.hpp	5155	0644	edit dl rm
node_data_container.hpp	4558	0644	edit dl rm
node_restriction_map.hpp	2292	0644	edit dl rm
packed_osm_ids.hpp	520	0644	edit dl rm
profile_properties.hpp	5029	0644	edit dl rm
query_node.hpp	1411	0644	edit dl rm
raster_source.hpp	5002	0644	edit dl rm
restriction.hpp	1750	0644	edit dl rm
restriction_graph.hpp	4500	0644	edit dl rm
restriction_parser.hpp	1768	0644	edit dl rm
road_classification.hpp	8390	0644	edit dl rm
scripting_environment.hpp	2426	0644	edit dl rm
scripting_environment_lua.hpp	4253	0644	edit dl rm
segment_data_container.hpp	8032	0644	edit dl rm
serialization.hpp	8834	0644	edit dl rm
suffix_table.hpp	1407	0644	edit dl rm
traffic_lights.hpp	514	0644	edit dl rm
traffic_signals.hpp	656	0644	edit dl rm
travel_mode.hpp	3666	0644	edit dl rm
turn_lane_types.hpp	3754	0644	edit dl rm
turn_path.hpp	7483	0644	edit dl rm
turn_path_compressor.hpp	2220	0644	edit dl rm
turn_path_filter.hpp	669	0644	edit dl rm
way_restriction_map.hpp	3114	0644	edit dl rm

Edit: /srv/osrm/osrm-backend/include/extractor/raster_source.hpp (5002B)

#ifndef RASTER_SOURCE_HPP
#define RASTER_SOURCE_HPP

#include "util/coordinate.hpp"
#include "util/exception.hpp"

#include <boost/algorithm/string.hpp>
#include <boost/algorithm/string/trim.hpp>
#include <boost/assert.hpp>
#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
#include <boost/foreach.hpp>
#include <boost/spirit/include/qi.hpp>
#include <boost/spirit/include/qi_int.hpp>

#include <storage/io.hpp>

#include <iterator>
#include <string>
#include <unordered_map>

namespace osrm::extractor
{

/**
    \brief Small wrapper around raster source queries to optionally provide results
    gracefully, depending on source bounds
*/
struct RasterDatum
{
    static std::int32_t get_invalid() { return std::numeric_limits<std::int32_t>::max(); }

std::int32_t datum = get_invalid();

RasterDatum() = default;

RasterDatum(std::int32_t _datum) : datum(_datum) {}
};

class RasterGrid
{
  public:
    RasterGrid(const boost::filesystem::path &filepath, std::size_t _xdim, std::size_t _ydim)
    {
        xdim = _xdim;
        ydim = _ydim;
        _data.resize(ydim * xdim);
        BOOST_ASSERT(ydim * xdim <= _data.capacity());

// Construct FileReader
        storage::io::FileReader file_reader(filepath, storage::io::FileReader::HasNoFingerprint);
        std::string buffer;
        buffer.resize(xdim * 11); // INT32_MAX = 2147483647 = 10 chars + 1 white space = 11
        BOOST_ASSERT(xdim * 11 <= buffer.size());

for (unsigned int y = 0; y < ydim; y++)
        {
            // read one line from file.
            file_reader.ReadLine(buffer.data(), xdim * 11);
            boost::algorithm::trim(buffer);

std::vector<std::string> result;
            boost::split(
                result, buffer, boost::is_any_of(" \r\n\0"), boost::algorithm::token_compress_on);
            unsigned int x = 0;
            for (const auto &s : result)
            {
                if (x < xdim)
                    _data[(y * xdim) + x] = atoi(s.c_str());
                ++x;
            }
            BOOST_ASSERT(x == xdim);
        }
    }

RasterGrid(const RasterGrid &) = default;
    RasterGrid &operator=(const RasterGrid &) = default;

RasterGrid(RasterGrid &&) = default;
    RasterGrid &operator=(RasterGrid &&) = default;

std::int32_t operator()(std::size_t x, std::size_t y) { return _data[y * xdim + x]; }
    std::int32_t operator()(std::size_t x, std::size_t y) const { return _data[(y)*xdim + (x)]; }

private:
    std::vector<std::int32_t> _data;
    std::size_t xdim, ydim;
};

/**
    \brief Stores raster source data in memory and provides lookup functions.
*/
class RasterSource
{
  private:
    const float xstep;
    const float ystep;

float CalcSize(int min, int max, std::size_t count) const;

public:
    RasterGrid raster_data;

const std::size_t width;
    const std::size_t height;
    const int xmin;
    const int xmax;
    const int ymin;
    const int ymax;

RasterDatum GetRasterData(const int lon, const int lat) const;

RasterDatum GetRasterInterpolate(const int lon, const int lat) const;

RasterSource(RasterGrid _raster_data,
                 std::size_t width,
                 std::size_t height,
                 int _xmin,
                 int _xmax,
                 int _ymin,
                 int _ymax);
};

class RasterContainer
{
  public:
    RasterContainer() = default;

int LoadRasterSource(const std::string &path_string,
                         double xmin,
                         double xmax,
                         double ymin,
                         double ymax,
                         std::size_t nrows,
                         std::size_t ncols);

RasterDatum GetRasterDataFromSource(unsigned int source_id, double lon, double lat);

RasterDatum GetRasterInterpolateFromSource(unsigned int source_id, double lon, double lat);

private:
};

// << singletone >> RasterCache
// The instance of RasterContainer is created for every threads osrm-extract uses.
// To avoid multiple load of same file on each RasterContainer,
// The LoadedSources and LoadedSourcePaths are separated to RasterCache class
// and handled as the singletone pattern to avoid duplicate creation.
class RasterCache
{
  public:
    // class method to get the instance
    static RasterCache &getInstance()
    {
        if (NULL == g_instance)
        {
            g_instance = new RasterCache();
        }
        return *g_instance;
    }
    // get reference of cache
    std::vector<RasterSource> &getLoadedSources() { return LoadedSources; }
    std::unordered_map<std::string, int> &getLoadedSourcePaths() { return LoadedSourcePaths; }

private:
    // constructor
    RasterCache() = default;
    // member
    std::vector<RasterSource> LoadedSources;
    std::unordered_map<std::string, int> LoadedSourcePaths;
    // the instance
    static RasterCache *g_instance;
};
} // namespace osrm::extractor

#endif /* RASTER_SOURCE_HPP */

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