void MakeResponse(const InternalRouteResult &raw_route, util::json::Object &response) const
{
auto number_of_routes = raw_route.has_alternative() ? 2UL : 1UL;
util::json::Array routes;
routes.values.resize(number_of_routes);
routes.values[0] =
MakeRoute(raw_route.segment_end_coordinates, raw_route.unpacked_path_segments,
raw_route.source_traversed_in_reverse, raw_route.target_traversed_in_reverse);
if (raw_route.has_alternative())
{
std::vector<std::vector<PathData>> wrapped_leg(1);
wrapped_leg.front() = std::move(raw_route.unpacked_alternative);
routes.values[1] = MakeRoute(raw_route.segment_end_coordinates, wrapped_leg,
raw_route.alt_source_traversed_in_reverse,
raw_route.alt_target_traversed_in_reverse);
}
response.values["waypoints"] = BaseAPI::MakeWaypoints(raw_route.segment_end_coordinates);
response.values["routes"] = std::move(routes);
response.values["code"] = "Ok";
}
void ApiResponseGenerator<DataFacadeT>::DescribeRoute(const RouteParameters &config,
const InternalRouteResult &raw_route,
util::json::Object &json_result)
{
if (!raw_route.is_valid())
{
return;
}
const constexpr bool ALLOW_SIMPLIFICATION = true;
const constexpr bool EXTRACT_ROUTE = false;
const constexpr bool EXTRACT_ALTERNATIVE = true;
Segments segment_list(raw_route, EXTRACT_ROUTE, config.zoom_level, ALLOW_SIMPLIFICATION,
facade);
json_result.values["route_summary"] = SummarizeRoute(raw_route, segment_list);
json_result.values["via_points"] = ListViaPoints(raw_route);
json_result.values["via_indices"] = ListViaIndices(segment_list);
if (config.geometry)
{
json_result.values["route_geometry"] = GetGeometry(config.compression, segment_list);
}
if (config.print_instructions)
{
json_result.values["route_instructions"] =
guidance::AnnotateRoute(segment_list.Get(), facade);
}
RouteNames route_names;
if (raw_route.has_alternative())
{
Segments alternate_segment_list(raw_route, EXTRACT_ALTERNATIVE, config.zoom_level,
ALLOW_SIMPLIFICATION, facade);
// Alternative Route Summaries are stored in an array to (down the line) allow multiple
// alternatives
util::json::Array json_alternate_route_summary_array;
json_alternate_route_summary_array.values.emplace_back(
SummarizeRoute(raw_route, alternate_segment_list));
json_result.values["alternative_summaries"] = json_alternate_route_summary_array;
json_result.values["alternative_indices"] = ListViaIndices(alternate_segment_list);
if (config.geometry)
{
auto alternate_geometry_string =
GetGeometry(config.compression, alternate_segment_list);
util::json::Array json_alternate_geometries_array;
json_alternate_geometries_array.values.emplace_back(
std::move(alternate_geometry_string));
json_result.values["alternative_geometries"] = json_alternate_geometries_array;
}
if (config.print_instructions)
{
util::json::Array json_alternate_annotations_array;
json_alternate_annotations_array.values.emplace_back(
guidance::AnnotateRoute(alternate_segment_list.Get(), facade));
json_result.values["alternative_instructions"] = json_alternate_annotations_array;
}
// generate names for both the main path and the alternative route
auto path_segments = BuildRouteSegments(segment_list);
auto alternate_segments = BuildRouteSegments(alternate_segment_list);
route_names = extractRouteNames(path_segments, alternate_segments, facade);
util::json::Array json_alternate_names_array;
util::json::Array json_alternate_names;
json_alternate_names.values.push_back(route_names.alternative_path_name_1);
json_alternate_names.values.push_back(route_names.alternative_path_name_2);
json_alternate_names_array.values.emplace_back(std::move(json_alternate_names));
json_result.values["alternative_names"] = json_alternate_names_array;
json_result.values["found_alternative"] = util::json::True();
}
else
{
json_result.values["found_alternative"] = util::json::False();
// generate names for the main route on its own
auto path_segments = BuildRouteSegments(segment_list);
std::vector<detail::Segment> alternate_segments;
route_names = extractRouteNames(path_segments, alternate_segments, facade);
}
util::json::Array json_route_names;
json_route_names.values.push_back(route_names.shortest_path_name_1);
json_route_names.values.push_back(route_names.shortest_path_name_2);
json_result.values["route_name"] = json_route_names;
json_result.values["hint_data"] = BuildHintData(raw_route);
}
SegmentList<DataFacadeT>::SegmentList(const InternalRouteResult &raw_route,
const bool extract_alternative,
const unsigned zoom_level,
const bool allow_simplification,
const DataFacade *facade)
: total_distance(0), total_duration(0)
{
if (!raw_route.is_valid())
{
return;
}
if (extract_alternative)
{
BOOST_ASSERT(raw_route.has_alternative());
InitRoute(raw_route.segment_end_coordinates.front().source_phantom,
raw_route.alt_source_traversed_in_reverse.front());
AddLeg(raw_route.unpacked_alternative,
raw_route.segment_end_coordinates.back().target_phantom,
raw_route.alt_source_traversed_in_reverse.back(), false, facade);
}
else
{
InitRoute(raw_route.segment_end_coordinates.front().source_phantom,
raw_route.source_traversed_in_reverse.front());
for (std::size_t raw_index = 0; raw_index < raw_route.segment_end_coordinates.size();
++raw_index)
{
AddLeg(raw_route.unpacked_path_segments[raw_index],
raw_route.segment_end_coordinates[raw_index].target_phantom,
raw_route.target_traversed_in_reverse[raw_index],
raw_route.is_via_leg(raw_index), facade);
if (raw_route.is_via_leg(raw_index))
{
const auto &source_phantom =
raw_route.segment_end_coordinates[raw_index].target_phantom;
if (raw_route.target_traversed_in_reverse[raw_index] !=
raw_route.source_traversed_in_reverse[raw_index + 1])
{
bool traversed_in_reverse = raw_route.target_traversed_in_reverse[raw_index];
const extractor::TravelMode travel_mode =
(traversed_in_reverse ? source_phantom.backward_travel_mode
: source_phantom.forward_travel_mode);
const bool constexpr IS_NECESSARY = true;
const bool constexpr IS_VIA_LOCATION = true;
segments.emplace_back(source_phantom.location, source_phantom.name_id, 0, 0.f,
extractor::TurnInstruction::UTurn, IS_NECESSARY,
IS_VIA_LOCATION, travel_mode);
}
}
}
}
if (!allow_simplification)
{
// to prevent any simplifications, we mark all segments as necessary
for (auto &segment : segments)
{
segment.necessary = true;
}
}
Finalize(extract_alternative, raw_route, zoom_level, allow_simplification);
}
osrm::json::Object submatchingToJSON(const osrm::matching::SubMatching &sub,
const RouteParameters &route_parameters,
const InternalRouteResult &raw_route)
{
osrm::json::Object subtrace;
if (route_parameters.classify)
{
subtrace.values["confidence"] = sub.confidence;
}
JSONDescriptor<DataFacadeT> json_descriptor(facade);
json_descriptor.SetConfig(route_parameters);
subtrace.values["hint_data"] = json_descriptor.BuildHintData(raw_route);
if (route_parameters.geometry || route_parameters.print_instructions)
{
DescriptionFactory factory;
FixedPointCoordinate current_coordinate;
factory.SetStartSegment(raw_route.segment_end_coordinates.front().source_phantom,
raw_route.source_traversed_in_reverse.front());
for (const auto i :
osrm::irange<std::size_t>(0, raw_route.unpacked_path_segments.size()))
{
for (const PathData &path_data : raw_route.unpacked_path_segments[i])
{
current_coordinate = facade->GetCoordinateOfNode(path_data.node);
factory.AppendSegment(current_coordinate, path_data);
}
factory.SetEndSegment(raw_route.segment_end_coordinates[i].target_phantom,
raw_route.target_traversed_in_reverse[i],
raw_route.is_via_leg(i));
}
factory.Run(route_parameters.zoom_level);
// we need because we don't run path simplification
for (auto &segment : factory.path_description)
{
segment.necessary = true;
}
if (route_parameters.geometry)
{
subtrace.values["geometry"] =
factory.AppendGeometryString(route_parameters.compression);
}
if (route_parameters.print_instructions)
{
std::vector<typename JSONDescriptor<DataFacadeT>::Segment> temp_segments;
subtrace.values["instructions"] =
json_descriptor.BuildTextualDescription(factory, temp_segments);
}
factory.BuildRouteSummary(factory.get_entire_length(), raw_route.shortest_path_length);
osrm::json::Object json_route_summary;
json_route_summary.values["total_distance"] = factory.summary.distance;
json_route_summary.values["total_time"] = factory.summary.duration;
subtrace.values["route_summary"] = json_route_summary;
}
subtrace.values["indices"] = osrm::json::make_array(sub.indices);
osrm::json::Array points;
for (const auto &node : sub.nodes)
{
points.values.emplace_back(
osrm::json::make_array(node.location.lat / COORDINATE_PRECISION,
node.location.lon / COORDINATE_PRECISION));
}
subtrace.values["matched_points"] = points;
osrm::json::Array names;
for (const auto &node : sub.nodes)
{
names.values.emplace_back(facade->get_name_for_id(node.name_id));
}
subtrace.values["matched_names"] = names;
return subtrace;
}
virtual void Run(const InternalRouteResult &raw_route,
osrm::json::Object &json_result) override final
{
if (INVALID_EDGE_WEIGHT == raw_route.shortest_path_length)
{
// We do not need to do much, if there is no route ;-)
return;
}
// check if first segment is non-zero
BOOST_ASSERT(raw_route.unpacked_path_segments.size() ==
raw_route.segment_end_coordinates.size());
description_factory.SetStartSegment(
raw_route.segment_end_coordinates.front().source_phantom,
raw_route.source_traversed_in_reverse.front());
// for each unpacked segment add the leg to the description
for (const auto i : osrm::irange<std::size_t>(0, raw_route.unpacked_path_segments.size()))
{
#ifndef NDEBUG
const int added_segments =
#endif
DescribeLeg(raw_route.unpacked_path_segments[i],
raw_route.segment_end_coordinates[i],
raw_route.target_traversed_in_reverse[i], raw_route.is_via_leg(i));
BOOST_ASSERT(0 < added_segments);
}
description_factory.Run(config.zoom_level);
if (config.geometry)
{
osrm::json::Value route_geometry =
description_factory.AppendGeometryString(config.encode_geometry);
json_result.values["route_geometry"] = route_geometry;
}
if (config.instructions)
{
osrm::json::Array json_route_instructions = BuildTextualDescription(description_factory, shortest_path_segments);
json_result.values["route_instructions"] = json_route_instructions;
}
description_factory.BuildRouteSummary(description_factory.get_entire_length(),
raw_route.shortest_path_length);
osrm::json::Object json_route_summary;
json_route_summary.values["total_distance"] = description_factory.summary.distance;
json_route_summary.values["total_time"] = description_factory.summary.duration;
json_route_summary.values["start_point"] =
facade->get_name_for_id(description_factory.summary.source_name_id);
json_route_summary.values["end_point"] =
facade->get_name_for_id(description_factory.summary.target_name_id);
json_result.values["route_summary"] = json_route_summary;
BOOST_ASSERT(!raw_route.segment_end_coordinates.empty());
osrm::json::Array json_via_points_array;
osrm::json::Array json_first_coordinate;
json_first_coordinate.values.push_back(
raw_route.segment_end_coordinates.front().source_phantom.location.lat /
COORDINATE_PRECISION);
json_first_coordinate.values.push_back(
raw_route.segment_end_coordinates.front().source_phantom.location.lon /
COORDINATE_PRECISION);
json_via_points_array.values.push_back(json_first_coordinate);
for (const PhantomNodes &nodes : raw_route.segment_end_coordinates)
{
std::string tmp;
osrm::json::Array json_coordinate;
json_coordinate.values.push_back(nodes.target_phantom.location.lat /
COORDINATE_PRECISION);
json_coordinate.values.push_back(nodes.target_phantom.location.lon /
COORDINATE_PRECISION);
json_via_points_array.values.push_back(json_coordinate);
}
json_result.values["via_points"] = json_via_points_array;
osrm::json::Array json_via_indices_array;
std::vector<unsigned> const &shortest_leg_end_indices = description_factory.GetViaIndices();
json_via_indices_array.values.insert(json_via_indices_array.values.end(),
shortest_leg_end_indices.begin(),
shortest_leg_end_indices.end());
json_result.values["via_indices"] = json_via_indices_array;
// only one alternative route is computed at this time, so this is hardcoded
if (INVALID_EDGE_WEIGHT != raw_route.alternative_path_length)
{
json_result.values["found_alternative"] = osrm::json::True();
BOOST_ASSERT(!raw_route.alt_source_traversed_in_reverse.empty());
alternate_description_factory.SetStartSegment(
raw_route.segment_end_coordinates.front().source_phantom,
raw_route.alt_source_traversed_in_reverse.front());
// Get all the coordinates for the computed route
for (const PathData &path_data : raw_route.unpacked_alternative)
{
current = facade->GetCoordinateOfNode(path_data.node);
alternate_description_factory.AppendSegment(current, path_data);
}
alternate_description_factory.SetEndSegment(
raw_route.segment_end_coordinates.back().target_phantom,
raw_route.alt_source_traversed_in_reverse.back());
alternate_description_factory.Run(config.zoom_level);
if (config.geometry)
{
osrm::json::Value alternate_geometry_string =
alternate_description_factory.AppendGeometryString(config.encode_geometry);
osrm::json::Array json_alternate_geometries_array;
json_alternate_geometries_array.values.push_back(alternate_geometry_string);
json_result.values["alternative_geometries"] = json_alternate_geometries_array;
}
// Generate instructions for each alternative (simulated here)
osrm::json::Array json_alt_instructions;
osrm::json::Array json_current_alt_instructions;
if (config.instructions)
{
json_current_alt_instructions = BuildTextualDescription(alternate_description_factory, alternative_path_segments);
json_alt_instructions.values.push_back(json_current_alt_instructions);
json_result.values["alternative_instructions"] = json_alt_instructions;
}
alternate_description_factory.BuildRouteSummary(
alternate_description_factory.get_entire_length(),
raw_route.alternative_path_length);
osrm::json::Object json_alternate_route_summary;
osrm::json::Array json_alternate_route_summary_array;
json_alternate_route_summary.values["total_distance"] =
alternate_description_factory.summary.distance;
json_alternate_route_summary.values["total_time"] =
alternate_description_factory.summary.duration;
json_alternate_route_summary.values["start_point"] =
facade->get_name_for_id(alternate_description_factory.summary.source_name_id);
json_alternate_route_summary.values["end_point"] =
facade->get_name_for_id(alternate_description_factory.summary.target_name_id);
json_alternate_route_summary_array.values.push_back(json_alternate_route_summary);
json_result.values["alternative_summaries"] = json_alternate_route_summary_array;
std::vector<unsigned> const &alternate_leg_end_indices =
alternate_description_factory.GetViaIndices();
osrm::json::Array json_altenative_indices_array;
json_altenative_indices_array.values.insert(json_altenative_indices_array.values.end(),
alternate_leg_end_indices.begin(),
alternate_leg_end_indices.end());
json_result.values["alternative_indices"] = json_altenative_indices_array;
}
else
{
json_result.values["found_alternative"] = osrm::json::False();
}
// Get Names for both routes
RouteNames route_names =
GenerateRouteNames(shortest_path_segments, alternative_path_segments, facade);
osrm::json::Array json_route_names;
json_route_names.values.push_back(route_names.shortest_path_name_1);
json_route_names.values.push_back(route_names.shortest_path_name_2);
json_result.values["route_name"] = json_route_names;
if (INVALID_EDGE_WEIGHT != raw_route.alternative_path_length)
{
osrm::json::Array json_alternate_names_array;
osrm::json::Array json_alternate_names;
json_alternate_names.values.push_back(route_names.alternative_path_name_1);
json_alternate_names.values.push_back(route_names.alternative_path_name_2);
json_alternate_names_array.values.push_back(json_alternate_names);
json_result.values["alternative_names"] = json_alternate_names_array;
}
json_result.values["hint_data"] = BuildHintData(raw_route);
}