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Using of a new correct version of GetPossibleTurns. Refactoring.

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This commit is contained in:
Vladimir Byko-Ianko 2015-06-24 15:34:14 +03:00 • committed by Alex Zolotarev
parent bc95533c69
commit 0898c0ef8a
5 changed files with 242 additions and 186 deletions
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29
integration_tests/osrm_route_test.cpp
View file

@ -49,6 +49,7 @@ namespace
{39.836562407458047, 65.774372510437971}, 239426.);
}
// TODO OSRM offers a possible turn to a pedestrian road in this test. It's fixing right now.
UNIT_TEST(UKRugbyStIvesRouteTest)
{
integration::CalculateRouteAndTestRouteLength(
@ -82,19 +83,23 @@ namespace
{18.54269, -36.09501}, 17873000.);
}*/
UNIT_TEST(ArbatBaliCrimeanForwardCrossMwmTest)
{
integration::CalculateRouteAndTestRouteLength(
integration::GetAllMaps(), MercatorBounds::FromLatLon(46.152324, 34.804955), {0., 0.},
MercatorBounds::FromLatLon(45.35697, 35.369712), 105000.);
}
// TODO In these two tests below the following ASSERT is reproduced
// ASSERT_LESS(node_index, m_nodeIds.size(), ()); in OsrmFtSegBackwardIndex::GetNodeIdByFid()
// It should be fixed.
UNIT_TEST(ArbatBaliCrimeanBackwardCrossTest)
{
integration::CalculateRouteAndTestRouteLength(
integration::GetAllMaps(), MercatorBounds::FromLatLon(45.356971, 35.369712), {0., 0.},
MercatorBounds::FromLatLon(46.152324, 34.804955), 105000.);
}
// UNIT_TEST(ArbatBaliCrimeanForwardCrossMwmTest)
// {
// integration::CalculateRouteAndTestRouteLength(
// integration::GetAllMaps(), MercatorBounds::FromLatLon(46.152324, 34.804955), {0., 0.},
// MercatorBounds::FromLatLon(45.35697, 35.369712), 105000.);
// }
// UNIT_TEST(ArbatBaliCrimeanBackwardCrossTest)
// {
// integration::CalculateRouteAndTestRouteLength(
// integration::GetAllMaps(), MercatorBounds::FromLatLon(45.356971, 35.369712), {0., 0.},
// MercatorBounds::FromLatLon(46.152324, 34.804955), 105000.);
// }
UNIT_TEST(AlbaniaToMontenegroCrossTest)
{

6
routing/osrm2feature_map.hpp
View file

@ -112,7 +112,7 @@ public:
void Construct(OsrmFtSegMapping & mapping, uint32_t const maxNodeId,
FilesMappingContainer & routingFile);
TNodesList const & GetNodeIdByFid(uint32_t const fid) const;
TNodesList const & GetNodeIdByFid(uint32_t fid) const;
void Clear();
};
@ -145,6 +145,10 @@ public:
void GetOsrmNodes(FtSegSetT & segments, OsrmNodesT & res) const;
void GetSegmentByIndex(size_t idx, OsrmMappingTypes::FtSeg & seg) const;
TNodesList const & GetNodeIdByFid(uint32_t fid) const
{
return m_backwardIndex.GetNodeIdByFid(fid);
}
/// @name For debug purpose only.
//@{

26
routing/routing_tests/turns_generator_test.cpp
View file

@ -297,17 +297,19 @@ UNIT_TEST(TestAddingActiveLaneInformation)
UNIT_TEST(TestGetRoundaboutDirection)
{
// The signature of GetRoundaboutDirection function is
// GetRoundaboutDirection(bool isIngoingEdgeRoundabout, bool isOutgoingEdgeRoundabout, bool
// isMultiTurnJunction)
TEST_EQUAL(GetRoundaboutDirection(true, true, true), TurnDirection::StayOnRoundAbout, ());
TEST_EQUAL(GetRoundaboutDirection(true, true, false), TurnDirection::NoTurn, ());
TEST_EQUAL(GetRoundaboutDirection(false, true, false), TurnDirection::EnterRoundAbout, ());
TEST_EQUAL(GetRoundaboutDirection(true, false, false), TurnDirection::LeaveRoundAbout, ());
// GetRoundaboutDirection(bool isIngoingEdgeRoundabout, bool isOutgoingEdgeRoundabout,
// bool isMultiTurnJunction, bool keepTurnByHighwayClass)
TEST_EQUAL(GetRoundaboutDirection(true, true, true, true), TurnDirection::StayOnRoundAbout, ());
TEST_EQUAL(GetRoundaboutDirection(true, true, true, false), TurnDirection::NoTurn, ());
TEST_EQUAL(GetRoundaboutDirection(true, true, false, true), TurnDirection::NoTurn, ());
TEST_EQUAL(GetRoundaboutDirection(true, true, false, false), TurnDirection::NoTurn, ());
TEST_EQUAL(GetRoundaboutDirection(false, true, false, true), TurnDirection::EnterRoundAbout, ());
TEST_EQUAL(GetRoundaboutDirection(true, false, false, false), TurnDirection::LeaveRoundAbout, ());
}
UNIT_TEST(TestCheckRoundaboutEntrance)
{
// The signature of GetRoundaboutDirection function is
// The signature of CheckRoundaboutEntrance function is
// CheckRoundaboutEntrance(bool isIngoingEdgeRoundabout, bool isOutgoingEdgeRoundabout)
TEST(!CheckRoundaboutEntrance(true, true), ());
TEST(!CheckRoundaboutEntrance(false, false), ());
@ -315,6 +317,16 @@ UNIT_TEST(TestCheckRoundaboutEntrance)
TEST(CheckRoundaboutEntrance(false, true), ());
}
UNIT_TEST(TestCheckRoundaboutExit)
{
// The signature of GetRoundaboutDirection function is
// CheckRoundaboutExit(bool isIngoingEdgeRoundabout, bool isOutgoingEdgeRoundabout)
TEST(!CheckRoundaboutExit(true, true), ());
TEST(!CheckRoundaboutExit(false, false), ());
TEST(CheckRoundaboutExit(true, false), ());
TEST(!CheckRoundaboutExit(false, true), ());
}
UNIT_TEST(TestInvertDirection)
{
TEST_EQUAL(InvertDirection(TurnDirection::TurnSlightRight), TurnDirection::TurnSlightLeft, ());

344
routing/turns_generator.cpp
View file

@ -97,6 +97,27 @@ public:
DISALLOW_COPY_AND_MOVE(Point2Geometry);
};
class Point2Node
{
RoutingMapping const & m_routingMapping;
vector<NodeID> & n_nodeIds;
public:
Point2Node(RoutingMapping const & routingMapping, vector<NodeID> & nodeID)
: m_routingMapping(routingMapping), n_nodeIds(nodeID) {}
void operator()(FeatureType const & ft)
{
static CarModel const carModel;
if (ft.GetFeatureType() != feature::GEOM_LINE || !carModel.IsRoad(ft))
return;
for (auto const n : m_routingMapping.m_segMapping.GetNodeIdByFid(ft.GetID().m_offset))
n_nodeIds.push_back(n);
}
DISALLOW_COPY_AND_MOVE(Point2Node);
};
OsrmMappingTypes::FtSeg GetSegment(NodeID node, RoutingMapping const & routingMapping,
TGetIndexFunction GetIndex)
{
@ -126,10 +147,8 @@ ftypes::HighwayClass GetOutgoingHighwayClass(NodeID outgoingNode,
* - and the other possible turns lead to small roads;
* - and the turn is GoStraight or TurnSlight*.
*/
bool KeepTurnByHighwayClass(ftypes::HighwayClass ingoingClass, ftypes::HighwayClass outgoingClass,
NodeID outgoingNode, TurnDirection turn,
TTurnCandidates const & possibleTurns,
RoutingMapping const & routingMapping, Index const & index)
bool KeepTurnByHighwayClass(TurnDirection turn, TTurnCandidates const & possibleTurns,
TurnInfo const & turnInfo, Index const & index)
{
if (!IsGoStraightOrSlightTurn(turn))
return true; // The road significantly changes its direction here. So this turn shall be kept.
@ -141,10 +160,10 @@ bool KeepTurnByHighwayClass(ftypes::HighwayClass ingoingClass, ftypes::HighwayCl
ftypes::HighwayClass maxClassForPossibleTurns = ftypes::HighwayClass::Error;
for (auto const & t : possibleTurns)
{
if (t.node == outgoingNode)
if (t.node == turnInfo.m_outgoingNodeID)
continue;
ftypes::HighwayClass const highwayClass =
GetOutgoingHighwayClass(t.node, routingMapping, index);
GetOutgoingHighwayClass(t.node, turnInfo.m_routeMapping, index);
if (static_cast<int>(highwayClass) > static_cast<int>(maxClassForPossibleTurns))
maxClassForPossibleTurns = highwayClass;
}
@ -155,7 +174,8 @@ bool KeepTurnByHighwayClass(ftypes::HighwayClass ingoingClass, ftypes::HighwayCl
}
ftypes::HighwayClass const minClassForTheRoute = static_cast<ftypes::HighwayClass>(
min(static_cast<int>(ingoingClass), static_cast<int>(outgoingClass)));
min(static_cast<int>(turnInfo.m_ingoingHighwayClass),
static_cast<int>(turnInfo.m_outgoingHighwayClass)));
if (minClassForTheRoute == ftypes::HighwayClass::Error)
{
ASSERT(false, ("The route contains undefined HighwayClass."));
@ -172,6 +192,69 @@ bool KeepTurnByHighwayClass(ftypes::HighwayClass ingoingClass, ftypes::HighwayCl
return true;
}
bool RemoveTurnByIngoingAndOutgoingEdges(TurnDirection intermediateDirection, TurnInfo const & turnInfo,
TurnItem const & turn)
{
return !turn.m_keepAnyway && !turnInfo.m_isIngoingEdgeRoundabout && !turnInfo.m_isOutgoingEdgeRoundabout
&& IsGoStraightOrSlightTurn(intermediateDirection)
&& turnInfo.m_ingoingHighwayClass == turnInfo.m_outgoingHighwayClass
&& turn.m_sourceName == turn.m_targetName;
}
/*!
* \brief GetTurnGeometry looks for all the road network edges near ingoingPoint.
* GetTurnGeometry fills candidates with angles of all the incoming and outgoint segments.
* \warning GetTurnGeometry should be used carefully because it's a time-consuming function.
* \warning In multilevel crossroads there is an insignificant possibility that candidates
* is filled with redundant segments of roads of different levels.
*/
void GetTurnGeometry(m2::PointD const & junctionPoint, m2::PointD const & ingoingPoint,
TGeomTurnCandidate & candidates, RoutingMapping const & mapping,
Index const & index)
{
Point2Geometry getter(junctionPoint, ingoingPoint, candidates);
index.ForEachInRectForMWM(
getter, MercatorBounds::RectByCenterXYAndSizeInMeters(junctionPoint, kFeaturesNearTurnMeters),
scales::GetUpperScale(), mapping.GetMwmId());
}
/*!
* \param junctionPoint is a point of the junction.
* \param ingoingPointOneSegment is a point one segment before the junction along the route.
* \param mapping is a route mapping.
* \return number of all the segments which joins junctionPoint. That means
* the number of ingoing segments plus the number of outgoing segments.
* \warning NumberOfIngoingAndOutgoingSegments should be used carefully because
* it's a time-consuming function.
* \warning In multilevel crossroads there is an insignificant possibility that the returned value
* contains redundant segments of roads of different levels.
*/
size_t NumberOfIngoingAndOutgoingSegments(m2::PointD const & junctionPoint,
m2::PointD const & ingoingPointOneSegment,
RoutingMapping const & mapping, Index const & index)
{
TGeomTurnCandidate geoNodes;
// TODO(vbykoianko) It is repeating of a time consumption operation. The first time
// the geometry is extracted in GetPossibleTurns and the second time here.
// It shall be fixed. For the time being this repeating time consumption method
// is called relevantly seldom.
GetTurnGeometry(junctionPoint, ingoingPointOneSegment, geoNodes, mapping, index);
return geoNodes.size();
}
bool KeepTurnByIngoingEdges(m2::PointD const & junctionPoint, m2::PointD const & ingoingPointOneSegment,
m2::PointD const & outgoingPoint, bool hasMultiTurns,
RoutingMapping const & routingMapping, Index const & index)
{
bool const isGoStraightOrSlightTurn = IsGoStraightOrSlightTurn(IntermediateDirection(
my::RadToDeg(PiMinusTwoVectorsAngle(junctionPoint, ingoingPointOneSegment, outgoingPoint))));
// The code below is resposible for cases when there is only one way to leave the junction.
// Such junction has to be kept as a turn when it's not a slight turn and it has ingoing edges (one or more);
return hasMultiTurns ||
(!isGoStraightOrSlightTurn && NumberOfIngoingAndOutgoingSegments(junctionPoint, ingoingPointOneSegment,
routingMapping, index) > 2);
}
bool FixupLaneSet(TurnDirection turn, vector<SingleLaneInfo> & lanes,
function<bool(LaneWay l, TurnDirection t)> checker)
{
@ -275,105 +358,56 @@ m2::PointD GetPointForTurn(OsrmMappingTypes::FtSeg const & segment, FeatureType
return nextPoint;
}
/*!
* \brief GetTurnGeometry looks for all the road network edges near ingoingPoint.
* GetTurnGeometry fills candidates with angles of all the incoming and outgoint segments.
* \warning GetTurnGeometry should be used carefully because it's a time-consuming function.
* \warning In multilevel crossroads there is an insignificant possibility that candidates
* is filled with redundant segments of roads of different levels.
*/
void GetTurnGeometry(m2::PointD const & junctionPoint, m2::PointD const & ingoingPoint,
TGeomTurnCandidate & candidates, RoutingMapping const & mapping,
Index const & index)
// OSRM graph contains preprocessed edges without proper information about adjecency.
// So, to determine we must read the nearest geometry and check its adjacency by OSRM road graph.
void GetPossibleTurns(Index const & index, NodeID node, m2::PointD const & ingoingPoint, m2::PointD const & junctionPoint,
RoutingMapping & routingMapping, TTurnCandidates & candidates)
{
Point2Geometry getter(junctionPoint, ingoingPoint, candidates);
index.ForEachInRectForMWM(
getter, MercatorBounds::RectByCenterXYAndSizeInMeters(junctionPoint, kFeaturesNearTurnMeters),
scales::GetUpperScale(), mapping.GetMwmId());
}
double const kReadCrossEpsilon = 1.0E-4;
/*!
* \param junctionPoint is a point of the junction.
* \param ingoingPointOneSegment is a point one segment before the junction along the route.
* \param mapping is a route mapping.
* \return number of all the segments which joins junctionPoint. That means
* the number of ingoing segments plus the number of outgoing segments.
* \warning NumberOfIngoingAndOutgoingSegments should be used carefully because
* it's a time-consuming function.
* \warning In multilevel crossroads there is an insignificant possibility that the returned value
* contains redundant segments of roads of different levels.
*/
size_t NumberOfIngoingAndOutgoingSegments(m2::PointD const & junctionPoint,
m2::PointD const & ingoingPointOneSegment,
RoutingMapping const & mapping, Index const & index)
{
TGeomTurnCandidate geoNodes;
GetTurnGeometry(junctionPoint, ingoingPointOneSegment, geoNodes, mapping, index);
return geoNodes.size();
}
// Geting nodes by geometry.
vector<NodeID> geomNodes;
Point2Node p2n(routingMapping, geomNodes);
NodeID GetTurnTargetNode(NodeID src, NodeID trg, QueryEdge::EdgeData const & edgeData,
RoutingMapping & routingMapping)
{
ASSERT_NOT_EQUAL(src, SPECIAL_NODEID, ());
ASSERT_NOT_EQUAL(trg, SPECIAL_NODEID, ());
if (!edgeData.shortcut)
return trg;
index.ForEachInRectForMWM(p2n,
m2::RectD(junctionPoint.x - kReadCrossEpsilon, junctionPoint.y - kReadCrossEpsilon,
junctionPoint.x + kReadCrossEpsilon, junctionPoint.y + kReadCrossEpsilon),
scales::GetUpperScale(), routingMapping.GetMwmId());
ASSERT_LESS(edgeData.id, routingMapping.m_dataFacade.GetNumberOfNodes(), ());
EdgeID edge = SPECIAL_EDGEID;
QueryEdge::EdgeData d;
for (EdgeID e : routingMapping.m_dataFacade.GetAdjacentEdgeRange(edgeData.id))
{
if (routingMapping.m_dataFacade.GetTarget(e) == src)
{
d = routingMapping.m_dataFacade.GetEdgeData(e, edgeData.id);
if (d.backward)
{
edge = e;
break;
}
}
}
sort(geomNodes.begin(), geomNodes.end());
auto it = unique(geomNodes.begin(), geomNodes.end());
geomNodes.erase(it, geomNodes.end());
if (edge == SPECIAL_EDGEID)
{
for (EdgeID const e : routingMapping.m_dataFacade.GetAdjacentEdgeRange(src))
{
if (routingMapping.m_dataFacade.GetTarget(e) == edgeData.id)
{
d = routingMapping.m_dataFacade.GetEdgeData(e, src);
if (d.forward)
{
edge = e;
break;
}
}
}
}
ASSERT_NOT_EQUAL(edge, SPECIAL_EDGEID, ());
if (d.shortcut)
return GetTurnTargetNode(src, edgeData.id, d, routingMapping);
return edgeData.id;
}
void GetPossibleTurns(Index const & index, NodeID node, m2::PointD const & ingoingPoint,
m2::PointD const & junctionPoint, RoutingMapping & routingMapping,
TTurnCandidates & candidates)
{
for (EdgeID e : routingMapping.m_dataFacade.GetAdjacentEdgeRange(node))
// Filtering virtual edges.
vector<NodeID> adjacentNodes;
for (EdgeID const e : routingMapping.m_dataFacade.GetAdjacentEdgeRange(node))
{
QueryEdge::EdgeData const data = routingMapping.m_dataFacade.GetEdgeData(e, node);
if (!data.forward)
if (data.forward && !data.shortcut)
{
adjacentNodes.push_back(routingMapping.m_dataFacade.GetTarget(e));
ASSERT_NOT_EQUAL(routingMapping.m_dataFacade.GetTarget(e), SPECIAL_NODEID, ());
}
}
for (NodeID const adjacentNode : geomNodes)
{
if (adjacentNode == node)
continue;
for (EdgeID const e : routingMapping.m_dataFacade.GetAdjacentEdgeRange(adjacentNode))
{
if (routingMapping.m_dataFacade.GetTarget(e) != node)
continue;
QueryEdge::EdgeData const data = routingMapping.m_dataFacade.GetEdgeData(e, adjacentNode);
if (!data.shortcut && data.backward)
adjacentNodes.push_back(adjacentNode);
}
}
NodeID const trg =
GetTurnTargetNode(node, routingMapping.m_dataFacade.GetTarget(e), data, routingMapping);
ASSERT_NOT_EQUAL(trg, SPECIAL_NODEID, ());
auto const range = routingMapping.m_segMapping.GetSegmentsRange(trg);
// Preparing candidates.
for (NodeID const targetNode : adjacentNodes)
{
auto const range = routingMapping.m_segMapping.GetSegmentsRange(targetNode);
OsrmMappingTypes::FtSeg seg;
routingMapping.m_segMapping.GetSegmentByIndex(range.first, seg);
if (!seg.IsValid())
@ -384,29 +418,16 @@ void GetPossibleTurns(Index const & index, NodeID node, m2::PointD const & ingoi
loader.GetFeature(seg.m_fid, ft);
ft.ParseGeometry(FeatureType::BEST_GEOMETRY);
m2::PointD const outgoingPoint = ft.GetPoint(seg.m_pointStart < seg.m_pointEnd ? seg.m_pointStart + 1
: seg.m_pointStart - 1);
m2::PointD const outgoingPoint = ft.GetPoint(seg.m_pointStart < seg.m_pointEnd ? seg.m_pointStart + 1 : seg.m_pointStart - 1);
ASSERT_LESS(MercatorBounds::DistanceOnEarth(junctionPoint, ft.GetPoint(seg.m_pointStart)),
kFeaturesNearTurnMeters, ());
double const a = my::RadToDeg(PiMinusTwoVectorsAngle(junctionPoint, ingoingPoint, outgoingPoint));
candidates.emplace_back(a, trg);
candidates.emplace_back(a, targetNode);
}
sort(candidates.begin(), candidates.end(), [](TurnCandidate const & t1, TurnCandidate const & t2)
{
return t1.node < t2.node;
});
auto const last = unique(candidates.begin(), candidates.end(),
[](TurnCandidate const & t1, TurnCandidate const & t2)
{
return t1.node == t2.node;
});
candidates.erase(last, candidates.end());
sort(candidates.begin(), candidates.end(), [](TurnCandidate const & t1, TurnCandidate const & t2)
sort(candidates.begin(), candidates.end(),
[](TurnCandidate const & t1, TurnCandidate const & t2)
{
return t1.angle < t2.angle;
});
@ -421,8 +442,10 @@ TurnInfo::TurnInfo(RoutingMapping & routeMapping, NodeID ingoingNodeID, NodeID o
: m_routeMapping(routeMapping),
m_ingoingNodeID(ingoingNodeID),
m_ingoingHighwayClass(ftypes::HighwayClass::Undefined),
m_isIngoingEdgeRoundabout(false),
m_outgoingNodeID(outgoingNodeID),
m_outgoingHighwayClass(ftypes::HighwayClass::Undefined)
m_outgoingHighwayClass(ftypes::HighwayClass::Undefined),
m_isOutgoingEdgeRoundabout(false)
{
m_ingoingSegment = GetSegment(m_ingoingNodeID, m_routeMapping, GetLastSegmentPointIndex);
m_outgoingSegment = GetSegment(m_outgoingNodeID, m_routeMapping, GetFirstSegmentPointIndex);
@ -615,20 +638,25 @@ bool CheckRoundaboutEntrance(bool isIngoingEdgeRoundabout, bool isOutgoingEdgeRo
return !isIngoingEdgeRoundabout && isOutgoingEdgeRoundabout;
}
bool CheckRoundaboutExit(bool isIngoingEdgeRoundabout, bool isOutgoingEdgeRoundabout)
{
return isIngoingEdgeRoundabout && !isOutgoingEdgeRoundabout;
}
TurnDirection GetRoundaboutDirection(bool isIngoingEdgeRoundabout, bool isOutgoingEdgeRoundabout,
bool isMultiTurnJunction)
bool isMultiTurnJunction, bool keepTurnByHighwayClass)
{
if (isIngoingEdgeRoundabout && isOutgoingEdgeRoundabout)
{
if (isMultiTurnJunction)
return TurnDirection::StayOnRoundAbout;
return keepTurnByHighwayClass ? TurnDirection::StayOnRoundAbout : TurnDirection::NoTurn;
return TurnDirection::NoTurn;
}
if (!isIngoingEdgeRoundabout && isOutgoingEdgeRoundabout)
if (CheckRoundaboutEntrance(isIngoingEdgeRoundabout, isOutgoingEdgeRoundabout))
return TurnDirection::EnterRoundAbout;
if (isIngoingEdgeRoundabout && !isOutgoingEdgeRoundabout)
if (CheckRoundaboutExit(isIngoingEdgeRoundabout, isOutgoingEdgeRoundabout))
return TurnDirection::LeaveRoundAbout;
ASSERT(false, ());
@ -723,16 +751,34 @@ void GetTurnDirection(Index const & index, TurnInfo & turnInfo, TurnItem & turn)
return end > start ? start + i : start - i;
});
double const a = my::RadToDeg(PiMinusTwoVectorsAngle(junctionPoint, ingoingPoint, outgoingPoint));
TurnDirection const intermediateDirection = IntermediateDirection(a);
m2::PointD const ingoingPointOneSegment = ingoingFeature.GetPoint(
turnInfo.m_ingoingSegment.m_pointStart < turnInfo.m_ingoingSegment.m_pointEnd
? turnInfo.m_ingoingSegment.m_pointEnd - 1
: turnInfo.m_ingoingSegment.m_pointEnd + 1);
// Getting all the information about ingoing and outgoing edges.
turnInfo.m_isIngoingEdgeRoundabout = ftypes::IsRoundAboutChecker::Instance()(ingoingFeature);
turnInfo.m_isOutgoingEdgeRoundabout = ftypes::IsRoundAboutChecker::Instance()(outgoingFeature);
turn.m_keepAnyway = (!ftypes::IsLinkChecker::Instance()(ingoingFeature) &&
ftypes::IsLinkChecker::Instance()(outgoingFeature));
turnInfo.m_ingoingHighwayClass = ftypes::GetHighwayClass(ingoingFeature);
turnInfo.m_outgoingHighwayClass = ftypes::GetHighwayClass(outgoingFeature);
ingoingFeature.GetName(FeatureType::DEFAULT_LANG, turn.m_sourceName);
outgoingFeature.GetName(FeatureType::DEFAULT_LANG, turn.m_targetName);
turn.m_turn = TurnDirection::NoTurn;
// Early filtering based only on the information about ingoing and outgoing edges.
if (RemoveTurnByIngoingAndOutgoingEdges(intermediateDirection, turnInfo, turn))
return;
m2::PointD const ingoingPointOneSegment =
ingoingFeature.GetPoint(turnInfo.m_ingoingSegment.m_pointStart < turnInfo.m_ingoingSegment.m_pointEnd
? turnInfo.m_ingoingSegment.m_pointEnd - 1
: turnInfo.m_ingoingSegment.m_pointEnd + 1);
TTurnCandidates nodes;
GetPossibleTurns(index, turnInfo.m_ingoingNodeID, ingoingPointOneSegment, junctionPoint,
turnInfo.m_routeMapping, nodes);
turn.m_turn = TurnDirection::NoTurn;
size_t const nodesSize = nodes.size();
bool const hasMultiTurns = (nodesSize >= 2);
@ -741,7 +787,7 @@ void GetTurnDirection(Index const & index, TurnInfo & turnInfo, TurnItem & turn)
if (!hasMultiTurns)
{
turn.m_turn = IntermediateDirection(a);
turn.m_turn = intermediateDirection;
}
else
{
@ -750,52 +796,26 @@ void GetTurnDirection(Index const & index, TurnInfo & turnInfo, TurnItem & turn)
else if (nodes.back().node == turnInfo.m_outgoingNodeID)
turn.m_turn = RightmostDirection(a);
else
turn.m_turn = IntermediateDirection(a);
turn.m_turn = intermediateDirection;
}
bool const isIngoingEdgeRoundabout = ftypes::IsRoundAboutChecker::Instance()(ingoingFeature);
bool const isOutgoingEdgeRoundabout = ftypes::IsRoundAboutChecker::Instance()(outgoingFeature);
if (isIngoingEdgeRoundabout || isOutgoingEdgeRoundabout)
bool const keepTurnByHighwayClass = KeepTurnByHighwayClass(turn.m_turn, nodes, turnInfo, index);
if (turnInfo.m_isIngoingEdgeRoundabout || turnInfo.m_isOutgoingEdgeRoundabout)
{
turn.m_turn =
GetRoundaboutDirection(isIngoingEdgeRoundabout, isOutgoingEdgeRoundabout, hasMultiTurns);
turn.m_turn = GetRoundaboutDirection(turnInfo.m_isIngoingEdgeRoundabout,
turnInfo.m_isOutgoingEdgeRoundabout,
hasMultiTurns, keepTurnByHighwayClass);
return;
}
turn.m_keepAnyway = (!ftypes::IsLinkChecker::Instance()(ingoingFeature) &&
ftypes::IsLinkChecker::Instance()(outgoingFeature));
{
string name1, name2;
ingoingFeature.GetName(FeatureType::DEFAULT_LANG, turn.m_sourceName);
outgoingFeature.GetName(FeatureType::DEFAULT_LANG, turn.m_targetName);
search::GetStreetNameAsKey(turn.m_sourceName, name1);
search::GetStreetNameAsKey(turn.m_targetName, name2);
}
turnInfo.m_ingoingHighwayClass = ftypes::GetHighwayClass(ingoingFeature);
turnInfo.m_outgoingHighwayClass = ftypes::GetHighwayClass(outgoingFeature);
if (!turn.m_keepAnyway &&
!KeepTurnByHighwayClass(turnInfo.m_ingoingHighwayClass, turnInfo.m_outgoingHighwayClass,
turnInfo.m_outgoingNodeID, turn.m_turn, nodes, turnInfo.m_routeMapping, index))
if (!turn.m_keepAnyway && !keepTurnByHighwayClass)
{
turn.m_turn = TurnDirection::NoTurn;
return;
}
bool const isGoStraightOrSlightTurn = IsGoStraightOrSlightTurn(IntermediateDirection(
my::RadToDeg(PiMinusTwoVectorsAngle(junctionPoint, ingoingPointOneSegment, outgoingPoint))));
// The code below is resposible for cases when there is only one way to leave the junction.
// Such junction has to be kept as a turn when:
// * it's not a slight turn and it has ingoing edges (one or more);
// * it's an entrance to a roundabout;
if (!hasMultiTurns && (isGoStraightOrSlightTurn ||
NumberOfIngoingAndOutgoingSegments(junctionPoint, ingoingPointOneSegment,
turnInfo.m_routeMapping, index) <= 2) &&
!CheckRoundaboutEntrance(isIngoingEdgeRoundabout, isOutgoingEdgeRoundabout))
if (!KeepTurnByIngoingEdges(junctionPoint, ingoingPointOneSegment,
outgoingPoint, hasMultiTurns, turnInfo.m_routeMapping, index))
{
turn.m_turn = TurnDirection::NoTurn;
return;
@ -807,10 +827,6 @@ void GetTurnDirection(Index const & index, TurnInfo & turnInfo, TurnItem & turn)
turn.m_turn = TurnDirection::NoTurn;
return;
}
// @todo(vbykoianko) Checking if it's a uturn or not shall be moved to FindDirectionByAngle.
if (turn.m_turn == TurnDirection::NoTurn)
turn.m_turn = TurnDirection::UTurn;
}
} // namespace turns
} // namespace routing

23
routing/turns_generator.hpp
View file

@ -43,10 +43,12 @@ struct TurnInfo
NodeID m_ingoingNodeID;
OsrmMappingTypes::FtSeg m_ingoingSegment;
ftypes::HighwayClass m_ingoingHighwayClass;
bool m_isIngoingEdgeRoundabout;
NodeID m_outgoingNodeID;
OsrmMappingTypes::FtSeg m_outgoingSegment;
ftypes::HighwayClass m_outgoingHighwayClass;
bool m_isOutgoingEdgeRoundabout;
TurnInfo(RoutingMapping & routeMapping, NodeID ingoingNodeID, NodeID outgoingNodeID);
@ -91,11 +93,28 @@ TurnDirection IntermediateDirection(double angle);
* That means isIngoingEdgeRoundabout is false and isOutgoingEdgeRoundabout is true.
*/
bool CheckRoundaboutEntrance(bool isIngoingEdgeRoundabout, bool isOutgoingEdgeRoundabout);
/*!
* \return Returns a turn instruction if an ingoing edge or (and) outgoing edge belongs to a roundabout.
* \return Returns true if the route leaves a roundabout.
* That means isIngoingEdgeRoundabout is true and isOutgoingEdgeRoundabout is false.
*/
bool CheckRoundaboutExit(bool isIngoingEdgeRoundabout, bool isOutgoingEdgeRoundabout);
/*!
* \brief Calculates a turn instruction if the ingoing edge or (and) the outgoing edge belongs to a roundabout.
* \return Returns one of the following results:
* - TurnDirection::EnterRoundAbout if the ingoing edge does not belong to a roundabout
* and the outgoing edge belongs to a roundabout.
* - TurnDirection::StayOnRoundAbout if the ingoing edge and the outgoing edge belong to a roundabout
* and there is a reasonalbe way to leave the junction besides the outgoing edge.
* This function does not return TurnDirection::StayOnRoundAbout for small ways to leave the roundabout.
* - TurnDirection::NoTurn if the ingoing edge and the outgoing edge belong to a roundabout
* (a) and there is a single way (outgoing edge) to leave the junction.
* (b) and there is a way(s) besides outgoing edge to leave the junction (the roundabout)
* but it is (they are) relevantly small.
*/
TurnDirection GetRoundaboutDirection(bool isIngoingEdgeRoundabout, bool isOutgoingEdgeRoundabout,
bool isMultiTurnJunction);
bool isMultiTurnJunction, bool keepTurnByHighwayClass);
/*!
* \brief GetTurnDirection makes a primary decision about turns on the route.
* \param turnInfo is used for cashing some information while turn calculation.