bool CustomPoiMatch::_isExactMatch(const ConstNodePtr& n1, const ConstNodePtr& n2) const
{
// distance that is considered an exact match. Defaults to 1mm.
Meters epsilon = conf().getDouble(epsilonDistanceKey(), 1e-3);
bool result = true;
if (n1->getElementId() == n2->getElementId())
{
// pass, return = true
}
else if (n1->toCoordinate().distance(n2->toCoordinate()) > epsilon)
{
result = false;
}
else
{
// if at least one name pair is an exact match then it is an exact string match.
double stringDistance = NameExtractor(new ExactStringDistance()).extract(n1, n2);
if (stringDistance != 1.0)
{
result = false;
}
}
return result;
}
WayLocation::WayLocation(ConstOsmMapPtr map, ConstWayPtr way, double distance) :
_map(map)
{
double d = 0.0;
_segmentIndex = -1;
_segmentFraction = -1;
_way = way;
double length = ElementConverter(map).convertToLineString(way)->getLength();
if (distance <= 0)
{
_segmentIndex = 0.0;
_segmentFraction = 0;
}
else if (distance >= length)
{
_segmentIndex = _way->getNodeCount() - 1;
_segmentFraction = 0.0;
}
else
{
Coordinate last = _map->getNode(way->getNodeId(0))->toCoordinate();
_segmentIndex = way->getNodeCount() - 1;
_segmentFraction = 0;
for (size_t i = 1; i < way->getNodeCount(); i++)
{
ConstNodePtr n = _map->getNode(_way->getNodeId(i));
Coordinate next = n->toCoordinate();
double delta = next.distance(last);
last = next;
if (d <= distance && d + delta > distance)
{
_segmentIndex = i - 1;
_segmentFraction = (distance - d) / delta;
// this can sometimes happen due to rounding errors.
if (_segmentFraction >= 1.0)
{
_segmentFraction = 0.0;
_segmentIndex++;
}
_way = way;
break;
}
d += delta;
}
}
assert(_segmentFraction < 1.0);
assert((size_t)_segmentIndex <= _way->getNodeCount() - 1);
}
bool CustomPoiMatch::_isDistanceMatch(const ConstNodePtr &n1, const ConstNodePtr &n2) const
{
double d = n1->toCoordinate().distance(n2->toCoordinate());
double s1 = n1->getCircularError() / 2.0;
double s2 = n2->getCircularError() / 2.0;
// calculated the expected sigma for the distance value.
double sigma = sqrt(s1 * s1 + s2 * s2);
// if the distance is within 2 sigma of the expected distance, then call it a match.
return d < sigma * 2.0;
}
void PertyWaySplitVisitor::_updateNewNodeProperties(NodePtr newNode,
ConstNodePtr firstSplitBetweenNode,
ConstNodePtr lastSplitBetweenNode)
{
//arbitrarily copy the status from one split between node to the new node
newNode->setStatus(firstSplitBetweenNode->getStatus());
//add a circular error to the new node that's a weighted average of the circular error on the
//two split between nodes
newNode->setCircularError(
(firstSplitBetweenNode->getCircularError() + lastSplitBetweenNode->getCircularError()) / 2);
LOG_TRACE(
"Updated the properties of a node created as a result of a way split: " << newNode->toString());
}
void GeometryPainter::drawWay(QPainter& pt, const OsmMap* map, const Way* way, const QMatrix& m)
{
int size = way->getNodeCount();
QPolygonF a(size);
for (int j = 0; j < size; j++)
{
ConstNodePtr n = map->getNode(way->getNodeId(j));
a[j] = QPointF(m.map(QPointF(n->getX(), n->getY())) - QPointF(0.5, 0.5));
}
pt.drawPolyline(a);
}
void DualWaySplitter::_reconnectEnd(long centerNodeId, shared_ptr<Way> edge)
{
Coordinate centerNodeC = _result->getNode(centerNodeId)->toCoordinate();
// determine which end of edge we're operating on
Coordinate edgeEnd;
long edgeEndId;
ConstNodePtr first = _result->getNode(edge->getNodeId(0));
ConstNodePtr last = _result->getNode(edge->getLastNodeId());
if (first->toCoordinate().distance(centerNodeC) <
last->toCoordinate().distance(centerNodeC))
{
edgeEnd = first->toCoordinate();
edgeEndId = first->getId();
}
else
{
edgeEnd = last->toCoordinate();
edgeEndId = last->getId();
}
// find all the nodes that are about the right distance from centerNodeId
shared_ptr<DistanceNodeFilter> filterOuter(new DistanceNodeFilter(Filter::KeepMatches,
centerNodeC, _splitSize * 1.01));
shared_ptr<DistanceNodeFilter> filterInner(new DistanceNodeFilter(Filter::FilterMatches,
centerNodeC, _splitSize * .99));
ChainNodeFilter chain(filterOuter, filterInner);
vector<long> nids = _result->filterNodes(chain, centerNodeC, _splitSize * 1.02);
Radians bestAngle = std::numeric_limits<Radians>::max();
long bestNid = numeric_limits<long>::max();
Radians edgeAngle = WayHeading::calculateHeading(centerNodeC, edgeEnd);
// find the smallest angle from edgeEnd to any of the candidate nodes
for (size_t i = 0; i < nids.size(); i++)
{
if (edgeEndId != nids[i])
{
Coordinate c = _result->getNode(nids[i])->toCoordinate();
Radians thisAngle = WayHeading::calculateHeading(centerNodeC, c);
Radians deltaMagnitude = WayHeading::deltaMagnitude(edgeAngle, thisAngle);
if (deltaMagnitude < bestAngle)
{
bestAngle = deltaMagnitude;
bestNid = nids[i];
}
}
}
// if the smallest angle is less than 45 deg, then connect them.
if (toDegrees(bestAngle) < 45)
{
edge->replaceNode(edgeEndId, bestNid);
}
}
bool ContainsNodeCriterion::isSatisfied(const ConstElementPtr& e) const
{
if (e->getElementType() == ElementType::Way)
{
ConstWayPtr w = boost::dynamic_pointer_cast<const Way>(e);
return w->hasNode(_nodeId);
}
else if (e->getElementType() == ElementType::Relation)
{
ConstRelationPtr r = boost::dynamic_pointer_cast<const Relation>(e);
return r->contains(ElementId(ElementType::Node, _nodeId));
}
else if (e->getElementType() == ElementType::Node)
{
ConstNodePtr n = boost::dynamic_pointer_cast<const Node>(e);
return (n->getId() == _nodeId);
}
return false;
}
QString OsmApiDbSqlChangesetFileWriter::_getUpdateValuesNodeStr(ConstNodePtr node) const
{
return
QString("latitude=%2, longitude=%3, changeset_id=%4, visible=%5, \"timestamp\"=%8, tile=%6, version=%7 WHERE id=%1;\n")
.arg(node->getId())
.arg((qlonglong)OsmApiDb::toOsmApiDbCoord(node->getY()))
.arg((qlonglong)OsmApiDb::toOsmApiDbCoord(node->getX()))
.arg(node->getChangeset())
.arg(_getVisibleStr(node->getVisible()))
.arg(ApiDb::tileForPoint(node->getY(), node->getX()))
.arg(node->getVersion())
.arg(OsmApiDb::TIMESTAMP_FUNCTION);
}
set<long> _findNeighbors(const ConstNodePtr& n)
{
set<long> result;
set<QString> allNames = _getNamePermutations(n->getTags().getNames());
double minSimilarity = conf().getDouble(PlacesPoiMatch::minimumEditSimilarityKey(),
PlacesPoiMatch::minimumEditSimilarityDefault());
for (set<QString>::const_iterator it = allNames.begin(); it != allNames.end(); ++it)
{
const QString& s = *it;
// if the string we're comparing against is longer then D may be bigger than
// (1 - minSimilarity) * string length. Account for that below.
int D = (int)round((double)s.size() / minSimilarity) - s.size();
set<long> r = _index->find(n->toCoordinate(), n->getCircularError(), s, D);
result.insert(r.begin(), r.end());
}
return result;
}
QString OsmApiDbSqlChangesetFileWriter::_getInsertValuesNodeStr(ConstNodePtr node) const
{
return
QString("latitude, longitude, changeset_id, visible, \"timestamp\", "
"tile, version) VALUES (%1, %2, %3, %4, %5, %8, %6, %7);\n")
.arg(node->getId())
.arg((qlonglong)OsmApiDb::toOsmApiDbCoord(node->getY()))
.arg((qlonglong)OsmApiDb::toOsmApiDbCoord(node->getX()))
.arg(node->getChangeset())
.arg(_getVisibleStr(node->getVisible()))
.arg(ApiDb::tileForPoint(node->getY(), node->getX()))
.arg(node->getVersion())
.arg(OsmApiDb::TIMESTAMP_FUNCTION);
}
Meters WayLocation::calculateDistanceOnWay() const
{
//LOG_TRACE("Calculating distance on way...");
Meters result = 0.0;
Coordinate last = _map->getNode(_way->getNodeId(0))->toCoordinate();
for (int i = 1; i < (int)_way->getNodeCount() && i <= _segmentIndex; i++)
{
ConstNodePtr n = _map->getNode(_way->getNodeId(i));
Coordinate next = n->toCoordinate();
result += next.distance(last);
last = next;
}
if (_segmentIndex < (int)_way->getNodeCount() - 1)
{
ConstNodePtr n = _map->getNode(_way->getNodeId(_segmentIndex + 1));
Coordinate next = n->toCoordinate();
Meters d = next.distance(last);
result += d * _segmentFraction;
}
return result;
}
WayLocation WayLocation::move(Meters distance) const
{
WayLocation result(*this);
Coordinate last = result.getCoordinate();
// This odd statement avoid us adding irrelevantly small distances.
while (1 + distance > 1)
{
// if we're at the end of the way
if (result.isLast())
{
return result;
}
ConstNodePtr n = _map->getNode(_way->getNodeId(result.getSegmentIndex() + 1));
Coordinate next = n->toCoordinate();
double delta = last.distance(next);
// if the next node is too far
if (distance - delta < 0)
{
// figure out what distance we need to move along the segment.
Coordinate lastSegment = _map->getNode(_way->getNodeId(result.getSegmentIndex()))->
toCoordinate();
double segmentLength = lastSegment.distance(next);
result._segmentFraction += (distance / segmentLength);
// this can happen due to floating point errors when the new location is very close to a
// node.
if (result._segmentFraction >= 1.0)
{
result._segmentFraction = 0.0;
result._segmentIndex = result._segmentIndex + 1;
}
distance = 0;
}
// if we need to go past the next node
else
{
distance -= delta;
last = next;
result._segmentIndex = result.getSegmentIndex() + 1;
result._segmentFraction = 0.0;
}
}
// This odd statement avoid us subtracting irrelevantly small distances.
while (1 + distance < 1)
{
// if we're at the end of the way
if (result.isFirst())
{
return result;
}
if (result._segmentFraction > 0)
{
Coordinate next = _map->getNode(_way->getNodeId(result.getSegmentIndex()))->toCoordinate();
Meters delta = last.distance(next);
if (distance + delta > 0)
{
// figure out what distance we need to move along the segment.
Coordinate last = _map->getNode(_way->getNodeId(result._segmentIndex + 1))->toCoordinate();
double segmentLength = last.distance(next);
result._segmentFraction += (distance / segmentLength);
// this can happen due to floating point errors when the new location is very close to a
// node.
if (result._segmentFraction >= 1.0)
{
result._segmentFraction = 0.0;
result._segmentIndex = result._segmentIndex + 1;
}
distance = 0;
}
else
{
result._segmentFraction = 0;
distance += delta;
last = next;
}
}
else
{
Coordinate next = _map->getNode(_way->getNodeId(result.getSegmentIndex() - 1))->
toCoordinate();
Meters delta = last.distance(next);
if (distance + delta > 0)
{
// figure out what distance we need to move along the segment.
Coordinate last = _map->getNode(_way->getNodeId(result.getSegmentIndex()))->toCoordinate();
double segmentLength = last.distance(next);
result._segmentFraction = 1.0 + (distance / segmentLength);
// if we're suffering from a floating point issue.
if (result._segmentFraction >= 1.0)
{
// make sure the floating point issue is within the expected bounds.
assert(result._segmentFraction < 1.0 + 1e-14);
result._segmentFraction = 0;
}
else
{
result._segmentIndex = result.getSegmentIndex() - 1;
}
distance = 0;
}
else
{
result._segmentIndex--;
distance += delta;
last = next;
}
}
}
assert(result._segmentFraction < 1.0 && result._segmentFraction >= 0);
assert(result._segmentIndex >= 0 && result._segmentIndex < (int)result.getWay()->getNodeCount());
return result;
}
void ElementCacheLRU::addElement(ConstElementPtr &newElement)
{
ConstNodePtr newNode;
ConstWayPtr newWay;
ConstRelationPtr newRelation;
switch ( newElement->getElementType().getEnum() )
{
case ElementType::Node:
newNode = dynamic_pointer_cast<const Node>(newElement);
if ( newNode != ConstNodePtr() )
{
// Do we have to replace an entry?
if ( _nodes.size() == _maxCountPerType )
{
_removeOldest(ElementType::Node);
}
_nodes.insert(std::make_pair(newNode->getId(),
std::make_pair(newNode, boost::posix_time::microsec_clock::universal_time())));
//LOG_DEBUG("Added new node with ID " << newNode->getId() );
}
break;
case ElementType::Way:
newWay = dynamic_pointer_cast<const Way>(newElement);
if ( newWay != ConstWayPtr() )
{
// Do we have to replace an entry?
if ( _ways.size() == _maxCountPerType )
{
_removeOldest(ElementType::Way);
}
_ways.insert(std::make_pair(newWay->getId(),
std::make_pair(newWay, boost::posix_time::microsec_clock::universal_time())));
}
break;
case ElementType::Relation:
newRelation = dynamic_pointer_cast<const Relation>(newElement);
if ( newRelation != ConstRelationPtr() )
{
// Do we have to replace an entry?
if ( _relations.size() == _maxCountPerType )
{
_removeOldest(ElementType::Relation);
}
_relations.insert(std::make_pair(newRelation->getId(),
std::make_pair(newRelation, boost::posix_time::microsec_clock::universal_time())));
}
break;
default:
throw HootException(QString("Unexpected element type: %1").arg(
newElement->getElementType().toString()));
break;
}
// Reset all iterators to maintain interface contract
resetElementIterators();
}
void OsmApiDbSqlChangesetFileWriter::write(const QString path,
ChangesetProviderPtr changesetProvider)
{
LOG_DEBUG("Writing changeset to " << path);
LOG_VARD(path);
LOG_VARD(changesetProvider->hasMoreChanges());
_changesetBounds.init();
_outputSql.setFileName(path);
if (_outputSql.open(QIODevice::WriteOnly | QIODevice::Text) == false)
{
throw HootException(QObject::tr("Error opening %1 for writing").arg(path));
}
int changes = 0;
_createChangeSet();
while (changesetProvider->hasMoreChanges())
{
LOG_TRACE("Reading next SQL change...");
Change change = changesetProvider->readNextChange();
switch (change.getType())
{
case Change::Create:
_createNewElement(change.getElement());
break;
case Change::Modify:
_updateExistingElement(change.getElement());
break;
case Change::Delete:
_deleteExistingElement(change.getElement());
break;
case Change::Unknown:
//see comment in ChangesetDeriver::_nextChange() when
//_fromE->getElementId() < _toE->getElementId() as to why we do a no-op here.
break;
default:
throw IllegalArgumentException("Unexpected change type.");
}
if (change.getType() != Change::Unknown)
{
if (change.getElement()->getElementType().getEnum() == ElementType::Node)
{
ConstNodePtr node = boost::dynamic_pointer_cast<const Node>(change.getElement());
_changesetBounds.expandToInclude(node->getX(), node->getY());
}
changes++;
}
if (changes > _changesetMaxSize)
{
_updateChangeset(changes);
_createChangeSet();
changes = 0;
}
}
_updateChangeset(changes);
_outputSql.close();
}
bool has(ConstNodePtr node) const {return has(node.lock()->id());}
