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Finish the nearest plugin

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This commit is contained in:
Patrick Niklaus 2016-02-23 00:44:35 +01:00
parent 81319228bd
commit 14c36bc405
9 changed files with 363 additions and 72 deletions
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55
include/engine/api/nearest_api.hpp Normal file
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@ -0,0 +1,55 @@
#ifndef ENGINE_API_NEAREST_API_HPP
#define ENGINE_API_NEAREST_API_HPP
#include "engine/api/base_api.hpp"
#include "engine/api/nearest_parameters.hpp"
#include "engine/api/json_factory.hpp"
#include "engine/phantom_node.hpp"
#include <boost/assert.hpp>
#include <vector>
namespace osrm
{
namespace engine
{
namespace api
{
class NearestAPI final : public BaseAPI
{
public:
NearestAPI(const datafacade::BaseDataFacade &facade_, const NearestParameters &parameters_)
: BaseAPI(facade_, parameters_), parameters(parameters_)
{
}
void MakeResponse(const std::vector<std::vector<PhantomNodeWithDistance>> &phantom_nodes, util::json::Object& response) const
{
BOOST_ASSERT(phantom_nodes.size() == 1);
BOOST_ASSERT(parameters.coordinates.size() == 1);
util::json::Array waypoints;
waypoints.values.resize(phantom_nodes.front().size());
std::transform(phantom_nodes.front().begin(),
phantom_nodes.front().end(), waypoints.values.begin(), [this](const PhantomNodeWithDistance& phantom_with_distance)
{
auto waypoint = MakeWaypoint(parameters.coordinates.front(), phantom_with_distance.phantom_node);
waypoint.values["distance"] = phantom_with_distance.distance;
return waypoint;
});
response.values["code"] = "ok";
response.values["waypoints"] = std::move(waypoints);
}
const NearestParameters &parameters;
};
} // ns api
} // ns engine
} // ns osrm
#endif

20
include/engine/datafacade/datafacade_base.hpp
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@ -88,7 +88,6 @@ class BaseDataFacade
const float max_distance,
const int bearing,
const int bearing_range) = 0;
virtual std::vector<PhantomNodeWithDistance>
NearestPhantomNodesInRange(const util::FixedPointCoordinate input_coordinate,
const float max_distance) = 0;
@ -96,21 +95,30 @@ class BaseDataFacade
virtual std::vector<PhantomNodeWithDistance>
NearestPhantomNodes(const util::FixedPointCoordinate input_coordinate,
const unsigned max_results,
const int bearing = 0,
const int bearing_range = 180) = 0;
const double max_distance,
const int bearing,
const int bearing_range) = 0;
virtual std::vector<PhantomNodeWithDistance>
NearestPhantomNodes(const util::FixedPointCoordinate input_coordinate,
const unsigned max_results,
const int bearing,
const int bearing_range) = 0;
virtual std::vector<PhantomNodeWithDistance>
NearestPhantomNodes(const util::FixedPointCoordinate input_coordinate,
const unsigned max_results) = 0;
virtual std::vector<PhantomNodeWithDistance>
NearestPhantomNodes(const util::FixedPointCoordinate input_coordinate,
const unsigned max_results, const double max_distance) = 0;
virtual std::pair<PhantomNode, PhantomNode> NearestPhantomNodeWithAlternativeFromBigComponent(
const util::FixedPointCoordinate input_coordinate) = 0;
virtual std::pair<PhantomNode, PhantomNode> NearestPhantomNodeWithAlternativeFromBigComponent(
const util::FixedPointCoordinate input_coordinate, const double max_distance) = 0;
virtual std::pair<PhantomNode, PhantomNode> NearestPhantomNodeWithAlternativeFromBigComponent(
const util::FixedPointCoordinate input_coordinate,
const double max_distance,
const int bearing,
const int bearing_range) = 0;
virtual std::pair<PhantomNode, PhantomNode> NearestPhantomNodeWithAlternativeFromBigComponent(
const util::FixedPointCoordinate input_coordinate,
const int bearing,

48
include/engine/datafacade/internal_datafacade.hpp
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@ -383,11 +383,38 @@ class InternalDataFacade final : public BaseDataFacade
bearing, bearing_range);
}
std::vector<PhantomNodeWithDistance>
NearestPhantomNodes(const util::FixedPointCoordinate input_coordinate,
const unsigned max_results) override final
{
if (!m_static_rtree.get())
{
LoadRTree();
BOOST_ASSERT(m_geospatial_query.get());
}
return m_geospatial_query->NearestPhantomNodes(input_coordinate, max_results);
}
std::vector<PhantomNodeWithDistance>
NearestPhantomNodes(const util::FixedPointCoordinate input_coordinate,
const unsigned max_results,
const int bearing = 0,
const int bearing_range = 180) override final
const double max_distance) override final
{
if (!m_static_rtree.get())
{
LoadRTree();
BOOST_ASSERT(m_geospatial_query.get());
}
return m_geospatial_query->NearestPhantomNodes(input_coordinate, max_results, max_distance);
}
std::vector<PhantomNodeWithDistance>
NearestPhantomNodes(const util::FixedPointCoordinate input_coordinate,
const unsigned max_results,
const int bearing,
const int bearing_range) override final
{
if (!m_static_rtree.get())
{
@ -399,6 +426,23 @@ class InternalDataFacade final : public BaseDataFacade
bearing_range);
}
std::vector<PhantomNodeWithDistance>
NearestPhantomNodes(const util::FixedPointCoordinate input_coordinate,
const unsigned max_results,
const double max_distance,
const int bearing,
const int bearing_range) override final
{
if (!m_static_rtree.get())
{
LoadRTree();
BOOST_ASSERT(m_geospatial_query.get());
}
return m_geospatial_query->NearestPhantomNodes(input_coordinate, max_results, max_distance,
bearing, bearing_range);
}
std::pair<PhantomNode, PhantomNode> NearestPhantomNodeWithAlternativeFromBigComponent(
const util::FixedPointCoordinate input_coordinate, const double max_distance) override final
{

56
include/engine/datafacade/shared_datafacade.hpp
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@ -235,7 +235,8 @@ class SharedDataFacade final : public BaseDataFacade
}
data_timestamp_ptr = static_cast<storage::SharedDataTimestamp *>(
storage::makeSharedMemory(storage::CURRENT_REGIONS,
sizeof(storage::SharedDataTimestamp), false, false)->Ptr());
sizeof(storage::SharedDataTimestamp), false, false)
->Ptr());
CURRENT_LAYOUT = storage::LAYOUT_NONE;
CURRENT_DATA = storage::DATA_NONE;
CURRENT_TIMESTAMP = 0;
@ -306,8 +307,8 @@ class SharedDataFacade final : public BaseDataFacade
LoadNames();
LoadCoreInformation();
util::SimpleLogger().Write()
<< "number of geometries: " << m_coordinate_list->size();
util::SimpleLogger().Write() << "number of geometries: "
<< m_coordinate_list->size();
for (unsigned i = 0; i < m_coordinate_list->size(); ++i)
{
if (!GetCoordinateOfNode(i).IsValid())
@ -450,11 +451,38 @@ class SharedDataFacade final : public BaseDataFacade
bearing, bearing_range);
}
std::vector<PhantomNodeWithDistance>
NearestPhantomNodes(const util::FixedPointCoordinate input_coordinate,
const unsigned max_results) override final
{
if (!m_static_rtree.get() || CURRENT_TIMESTAMP != m_static_rtree->first)
{
LoadRTree();
BOOST_ASSERT(m_geospatial_query.get());
}
return m_geospatial_query->NearestPhantomNodes(input_coordinate, max_results);
}
std::vector<PhantomNodeWithDistance>
NearestPhantomNodes(const util::FixedPointCoordinate input_coordinate,
const unsigned max_results,
const int bearing = 0,
const int bearing_range = 180) override final
const double max_distance) override final
{
if (!m_static_rtree.get() || CURRENT_TIMESTAMP != m_static_rtree->first)
{
LoadRTree();
BOOST_ASSERT(m_geospatial_query.get());
}
return m_geospatial_query->NearestPhantomNodes(input_coordinate, max_results, max_distance);
}
std::vector<PhantomNodeWithDistance>
NearestPhantomNodes(const util::FixedPointCoordinate input_coordinate,
const unsigned max_results,
const int bearing,
const int bearing_range) override final
{
if (!m_static_rtree.get() || CURRENT_TIMESTAMP != m_static_rtree->first)
{
@ -466,6 +494,23 @@ class SharedDataFacade final : public BaseDataFacade
bearing_range);
}
std::vector<PhantomNodeWithDistance>
NearestPhantomNodes(const util::FixedPointCoordinate input_coordinate,
const unsigned max_results,
const double max_distance,
const int bearing,
const int bearing_range) override final
{
if (!m_static_rtree.get() || CURRENT_TIMESTAMP != m_static_rtree->first)
{
LoadRTree();
BOOST_ASSERT(m_geospatial_query.get());
}
return m_geospatial_query->NearestPhantomNodes(input_coordinate, max_results, max_distance,
bearing, bearing_range);
}
std::pair<PhantomNode, PhantomNode> NearestPhantomNodeWithAlternativeFromBigComponent(
const util::FixedPointCoordinate input_coordinate) override final
{
@ -523,7 +568,6 @@ class SharedDataFacade final : public BaseDataFacade
input_coordinate, bearing, bearing_range);
}
unsigned GetCheckSum() const override final { return m_check_sum; }
unsigned GetNameIndexFromEdgeID(const unsigned id) const override final

65
include/engine/geospatial_query.hpp
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@ -82,8 +82,8 @@ template <typename RTreeT, typename DataFacadeT> class GeospatialQuery
std::vector<PhantomNodeWithDistance>
NearestPhantomNodes(const util::FixedPointCoordinate input_coordinate,
const unsigned max_results,
const int bearing = 0,
const int bearing_range = 180)
const int bearing,
const int bearing_range)
{
auto results = rtree.Nearest(input_coordinate,
[this, bearing, bearing_range](const EdgeData &data)
@ -98,6 +98,67 @@ template <typename RTreeT, typename DataFacadeT> class GeospatialQuery
return MakePhantomNodes(input_coordinate, results);
}
// Returns max_results nearest PhantomNodes in the given bearing range within the maximum distance.
// Does not filter by small/big component!
std::vector<PhantomNodeWithDistance>
NearestPhantomNodes(const util::FixedPointCoordinate input_coordinate,
const unsigned max_results,
const double max_distance,
const int bearing,
const int bearing_range)
{
auto results = rtree.Nearest(input_coordinate,
[this, bearing, bearing_range](const EdgeData &data)
{
return checkSegmentBearing(data, bearing, bearing_range);
},
[max_results, max_distance](const std::size_t num_results, const double min_dist)
{
return num_results >= max_results || min_dist > max_distance;
});
return MakePhantomNodes(input_coordinate, results);
}
// Returns max_results nearest PhantomNodes.
// Does not filter by small/big component!
std::vector<PhantomNodeWithDistance>
NearestPhantomNodes(const util::FixedPointCoordinate input_coordinate,
const unsigned max_results)
{
auto results = rtree.Nearest(input_coordinate,
[](const EdgeData &)
{
return std::make_pair(true, true);
},
[max_results](const std::size_t num_results, const double)
{
return num_results >= max_results;
});
return MakePhantomNodes(input_coordinate, results);
}
// Returns max_results nearest PhantomNodes in the given max distance.
// Does not filter by small/big component!
std::vector<PhantomNodeWithDistance>
NearestPhantomNodes(const util::FixedPointCoordinate input_coordinate,
const unsigned max_results,
const double max_distance)
{
auto results = rtree.Nearest(input_coordinate,
[](const EdgeData &)
{
return std::make_pair(true, true);
},
[max_results, max_distance](const std::size_t num_results, const double min_dist)
{
return num_results >= max_results || min_dist > max_distance;
});
return MakePhantomNodes(input_coordinate, results);
}
// Returns the nearest phantom node. If this phantom node is not from a big component
// a second phantom node is return that is the nearest coordinate in a big component.
std::pair<PhantomNode, PhantomNode> NearestPhantomNodeWithAlternativeFromBigComponent(

64
include/engine/plugins/plugin_base.hpp
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@ -150,6 +150,70 @@ class BasePlugin
return phantom_nodes;
}
std::vector<std::vector<PhantomNodeWithDistance>> GetPhantomNodes(const api::BaseParameters &parameters, unsigned number_of_results)
{
std::vector<std::vector<PhantomNodeWithDistance>> phantom_nodes(parameters.coordinates.size());
const bool use_hints = !parameters.hints.empty();
const bool use_bearings = !parameters.bearings.empty();
const bool use_radiuses = !parameters.radiuses.empty();
BOOST_ASSERT(parameters.IsValid());
for (const auto i : util::irange<std::size_t>(0, parameters.coordinates.size()))
{
if (use_hints && parameters.hints[i] &&
parameters.hints[i]->IsValid(parameters.coordinates[i], facade))
{
phantom_nodes[i].push_back(PhantomNodeWithDistance{
parameters.hints[i]->phantom,
util::coordinate_calculation::haversineDistance(
parameters.coordinates[i], parameters.hints[i]->phantom.location),
});
continue;
}
if (use_bearings && parameters.bearings[i])
{
if (use_radiuses && parameters.radiuses[i])
{
phantom_nodes[i] =
facade.NearestPhantomNodes(
parameters.coordinates[i], number_of_results, *parameters.radiuses[i],
parameters.bearings[i]->bearing, parameters.bearings[i]->range);
}
else
{
phantom_nodes[i] =
facade.NearestPhantomNodes(
parameters.coordinates[i], number_of_results, parameters.bearings[i]->bearing,
parameters.bearings[i]->range);
}
}
else
{
if (use_radiuses && parameters.radiuses[i])
{
phantom_nodes[i] =
facade.NearestPhantomNodes(
parameters.coordinates[i], number_of_results, *parameters.radiuses[i]);
}
else
{
phantom_nodes[i] =
facade.NearestPhantomNodes(
parameters.coordinates[i], number_of_results);
}
}
// we didn't found a fitting node, return error
if (phantom_nodes[i].empty())
{
break;
}
}
return phantom_nodes;
}
std::vector<PhantomNodePair> GetPhantomNodes(const api::BaseParameters &parameters)
{
std::vector<PhantomNodePair> phantom_node_pairs(parameters.coordinates.size());

7
include/server/api/nearest_parameter_grammar.hpp
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@ -26,7 +26,12 @@ struct NearestParametersGrammar final : public BaseParametersGrammar
NearestParametersGrammar() : BaseParametersGrammar(root_rule, parameters)
{
root_rule = "TODO(daniel-j-h)";
const auto set_number = [this](const unsigned number)
{
parameters.number_of_results = number;
};
nearest_rule = (qi::lit("number=") >> qi::uint_)[set_number];
root_rule = *(base_rule | nearest_rule);
}
engine::api::NearestParameters parameters;

70
src/engine/plugins/nearest.cpp
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@ -1,4 +1,6 @@
#include "engine/plugins/nearest.hpp"
#include "engine/api/nearest_parameters.hpp"
#include "engine/api/nearest_api.hpp"
#include "engine/phantom_node.hpp"
#include "util/integer_range.hpp"
@ -17,69 +19,29 @@ namespace plugins
NearestPlugin::NearestPlugin(datafacade::BaseDataFacade &facade) : BasePlugin{facade} {}
Status NearestPlugin::HandleRequest(const api::NearestParameters &params,
util::json::Object &result)
util::json::Object &json_result)
{
BOOST_ASSERT(params.IsValid());
if (!CheckAllCoordinates(params.coordinates))
return Error("invalid-options", "Coordinates are invalid", result);
return Error("InvalidOptions", "Coordinates are invalid", json_result);
if (params.bearings.size() > 0 && params.coordinates.size() != params.bearings.size())
return Error("invalid-options", "Number of bearings does not match number of coordinates",
result);
const auto &input_bearings = params.bearings;
auto number_of_results = static_cast<std::size_t>(params.number_of_results);
/* TODO(daniel-j-h): bearing range?
const int bearing = input_bearings.size() > 0 ? input_bearings.front().first : 0;
const int range = input_bearings.size() > 0
? (input_bearings.front().second ? *input_bearings.front().second : 10)
: 180;
auto phantom_node_vector =
facade.NearestPhantomNodes(params.coordinates.front(), number_of_results, bearing, range);
if (phantom_node_vector.empty())
if (params.coordinates.size() != 1)
{
result.values["status_message"] =
std::string("Could not find a matching segments for coordinate");
return Status::NoSegment;
return Error("TooBig", "Only one input coordinate is supported", json_result);
}
else
{
result.values["status_message"] = "Found nearest edge";
if (number_of_results > 1)
{
util::json::Array results;
auto vector_length = phantom_node_vector.size();
for (const auto i :
util::irange<std::size_t>(0, std::min(number_of_results, vector_length)))
{
const auto &node = phantom_node_vector[i].phantom_node;
util::json::Array json_coordinate;
util::json::Object result;
json_coordinate.values.push_back(node.location.lat / COORDINATE_PRECISION);
json_coordinate.values.push_back(node.location.lon / COORDINATE_PRECISION);
result.values["mapped coordinate"] = json_coordinate;
result.values["name"] = facade.get_name_for_id(node.name_id);
results.values.push_back(result);
}
result.values["results"] = results;
}
else
{
util::json::Array json_coordinate;
json_coordinate.values.push_back(phantom_node_vector.front().phantom_node.location.lat /
COORDINATE_PRECISION);
json_coordinate.values.push_back(phantom_node_vector.front().phantom_node.location.lon /
COORDINATE_PRECISION);
result.values["mapped_coordinate"] = json_coordinate;
result.values["name"] =
facade.get_name_for_id(phantom_node_vector.front().phantom_node.name_id);
}
auto phantom_nodes = GetPhantomNodes(params, params.number_of_results);
if (phantom_nodes.front().size() == 0)
{
return Error("NoSegment", "Could not find a matching segments for coordinate", json_result);
}
*/
BOOST_ASSERT(phantom_nodes.front().size() > 0);
api::NearestAPI nearest_api(facade, params);
nearest_api.MakeResponse(phantom_nodes, json_result);
return Status::Ok;
}
}

50
src/server/service/nearest_service.cpp
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@ -1,4 +1,5 @@
#include "server/service/nearest_service.hpp"
#include "server/service/utils.hpp"
#include "engine/api/nearest_parameters.hpp"
#include "server/api/parameters_parser.hpp"
@ -14,11 +15,58 @@ namespace server
namespace service
{
namespace
{
std::string getWrongOptionHelp(const engine::api::NearestParameters &parameters)
{
std::string help;
const auto coord_size = parameters.coordinates.size();
const bool param_size_mismatch = constrainParamSize(PARAMETER_SIZE_MISMATCH_MSG, "hints",
parameters.hints, coord_size, help) ||
constrainParamSize(PARAMETER_SIZE_MISMATCH_MSG, "bearings",
parameters.bearings, coord_size, help) ||
constrainParamSize(PARAMETER_SIZE_MISMATCH_MSG, "radiuses",
parameters.radiuses, coord_size, help);
if (!param_size_mismatch && parameters.coordinates.size() < 2)
{
help = "Number of coordinates needs to be at least two.";
}
return help;
}
} // anon. ns
engine::Status NearestService::RunQuery(std::vector<util::FixedPointCoordinate> coordinates,
std::string &options,
util::json::Object &result)
{
// TODO(daniel-j-h)
auto options_iterator = options.begin();
auto parameters =
api::parseParameters<engine::api::NearestParameters>(options_iterator, options.end());
if (!parameters || options_iterator != options.end())
{
const auto position = std::distance(options.begin(), options_iterator);
result.values["code"] = "invalid-options";
result.values["message"] =
"Options string malformed close to position " + std::to_string(position);
return engine::Status::Error;
}
BOOST_ASSERT(parameters);
parameters->coordinates = std::move(coordinates);
if (!parameters->IsValid())
{
result.values["code"] = "invalid-options";
result.values["message"] = getWrongOptionHelp(*parameters);
return engine::Status::Error;
}
BOOST_ASSERT(parameters->IsValid());
return BaseService::routing_machine.Nearest(*parameters, result);
return Status::Error;
}
}