Esempio n. 1
0
void OsmApiDbSqlChangesetFileWriter::_createNewElement(ConstElementPtr element)
{
  const QString elementTypeStr = element->getElementType().toString().toLower();
  ElementPtr changeElement = _getChangeElement(element);

  //we only grab and assign a new id if we have a new element with a negative id, since we'll be
  //writing this directly to the database and negative ids aren't allowed
  LOG_TRACE("ID before: " << changeElement->getElementId());
  long id;
  if (changeElement->getId() < 0)
  {
    id = _db.getNextId(element->getElementType().getEnum());
  }
  else
  {
    id = changeElement->getId();
  }
  LOG_TRACE("ID after: " << ElementId(changeElement->getElementType(), id));

  changeElement->setId(id);
  changeElement->setVersion(1);
  changeElement->setVisible(true);
  changeElement->setChangeset(_changesetId);
  LOG_TRACE("Creating: " << changeElement->getElementId());

  QString note = "";
  LOG_VART(changeElement->getId());
  LOG_VART(note);
  LOG_VART(changeElement->getVersion());
  QString commentStr = "/* create " + elementTypeStr + " " + QString::number(changeElement->getId());
  commentStr += "*/\n";
  _outputSql.write((commentStr).toUtf8());

  const QString values = _getInsertValuesStr(changeElement);
  _outputSql.write(
    ("INSERT INTO " + elementTypeStr + "s (" + elementTypeStr + "_id, " + values).toUtf8());
  _outputSql.write(("INSERT INTO current_" + elementTypeStr + "s (id, " + values).toUtf8());

  _createTags(changeElement);

  switch (changeElement->getElementType().getEnum())
  {
    case ElementType::Way:
      _createWayNodes(boost::dynamic_pointer_cast<const Way>(changeElement));
      break;
    case ElementType::Relation:
      _createRelationMembers(boost::dynamic_pointer_cast<const Relation>(changeElement));
      break;
    default:
      //node
      break;
  }
}
Esempio n. 2
0
Handle<Object> ElementJs::New(ElementPtr e)
{
  HandleScope scope;

  Handle<Object> result;

  switch (e->getElementType().getEnum())
  {
  case ElementType::Node:
    {
      NodePtr n = dynamic_pointer_cast<Node>(e);
      result = NodeJs::New(n);
      break;
    }
  case ElementType::Way:
    {
      WayPtr w = dynamic_pointer_cast<Way>(e);
      result = WayJs::New(w);
      break;
    }
  case ElementType::Relation:
    {
      RelationPtr r = dynamic_pointer_cast<Relation>(e);
      result = RelationJs::New(r);
      break;
    }
  default:
    throw IllegalArgumentException("Unexpected element type.");
  }

  return scope.Close(result);
}
Esempio n. 3
0
void OsmApiDbSqlChangesetFileWriter::_updateExistingElement(ConstElementPtr element)
{
  const QString elementTypeStr = element->getElementType().toString().toLower();
  ElementPtr changeElement = _getChangeElement(element);

  //if another parsed change previously modified the element with this id, we want to get the
  //modified version
  const long currentVersion = changeElement->getVersion();
  const long newVersion = currentVersion + 1;

  changeElement->setVersion(newVersion);
  changeElement->setChangeset(_changesetId);
  changeElement->setVisible(true);
  LOG_TRACE("Updating: " << changeElement->getElementId());

  QString note = "";
  LOG_VART(changeElement->getId());
  LOG_VART(note);
  LOG_VART(changeElement->getVersion());
  QString commentStr = "/* modify " + elementTypeStr + " " + QString::number(changeElement->getId());
  commentStr += "*/\n";
  _outputSql.write((commentStr).toUtf8());

  //<element-name> table contains all version of all elements of that type in a history, so insert
  //into that table.
  _outputSql.write(
    ("INSERT INTO " + elementTypeStr + "s (" + elementTypeStr + "_id, " +
     _getInsertValuesStr(changeElement)).toUtf8());
  //current_<element-name> contains the single latest version of the element, so update that record
  _outputSql.write(
    ("UPDATE current_" + elementTypeStr + "s SET " + _getUpdateValuesStr(changeElement)).toUtf8());

  _deleteCurrentTags(changeElement->getElementId());
  _createTags(changeElement);

  switch (changeElement->getElementType().getEnum())
  {
    case ElementType::Way:
      _deleteAll(ApiDb::getCurrentWayNodesTableName(), "way_id", changeElement->getId());
      _deleteAll(ApiDb::getWayNodesTableName(), "way_id", changeElement->getId());
      _createWayNodes(boost::dynamic_pointer_cast<const Way>(changeElement));
      break;
    case ElementType::Relation:
      _deleteAll(ApiDb::getCurrentRelationMembersTableName(), "relation_id", changeElement->getId());
      _deleteAll(ApiDb::getRelationMembersTableName(), "relation_id", changeElement->getId());
      _createRelationMembers(boost::dynamic_pointer_cast<const Relation>(changeElement));
      break;
    default:
      //node
      break;
  }
}
Esempio n. 4
0
void TranslationVisitor::visit(const ConstElementPtr& ce)
{
  // this is a hack to get around the visitor interface. The visitor interface should probably be
  // redesigned into ConstElementVisitor and ElementVisitor.
  ElementPtr e = _map->getElement(ce->getElementId());
  Tags& tags = e->getTags();

  if (tags.getNonDebugCount() > 0)
  {
    if (_toOgr)
    {
      GeometryTypeId gtype = ElementConverter::getGeometryType(e, false);

      vector<Tags> allTags = _togr->translateToOgrTags(tags, e->getElementType(), gtype);

      if (allTags.size() > 0)
      {
        if (allTags.size() > 1)
        {
          LOG_WARN("More than one feature was returned, only keeping the first feature.");
        }

        e->setTags(allTags[0]);
      }
    }
    else
    {
      QByteArray layerName;
      if (tags.contains(OsmSchema::layerNameKey()))
      {
        layerName = tags[OsmSchema::layerNameKey()].toUtf8();
      }
      _t.translateToOsm(tags, layerName.data());

      if (tags.contains(_circularErrorKey))
      {
        e->setCircularError(tags.getDouble(_circularErrorKey));
        tags.remove(_circularErrorKey);
        tags.remove(_accuracyKey);
      }
      else if (tags.contains(_accuracyKey))
      {
        e->setCircularError(tags.getDouble(_accuracyKey));
        tags.remove(_circularErrorKey);
        tags.remove(_accuracyKey);
      }
    }
  }
}
Esempio n. 5
0
MultiLineStringLocation PertyWaySplitVisitor::_calcSplitPoint(ConstRelationPtr relation,
                                                              ElementId& wayId) const
{
  const vector<RelationData::Entry>& members = relation->getMembers();
  LOG_VART(members.size());

  //find the way to split on
  boost::uniform_int<> randomWayIndexDistribution(0, members.size() - 1);
  int wayIndex = randomWayIndexDistribution(*_rng);
  wayId = members.at(wayIndex).getElementId();
  LOG_VART(wayIndex);
  LOG_VART(wayId);
  ElementPtr element = _map->getElement(wayId);
  if (element->getElementType() != ElementType::Way)
  {
    throw HootException(
      "PERTY feature splitting for multi-line string relations may only occur on relations which contain only ways.");
  }
  WayPtr way = boost::dynamic_pointer_cast<Way>(element);
  LOG_VART(way->getNodeCount());

  //calculate the split point
  WayLocation wayLocation = _calcSplitPoint(way);
  //return it, if its valid
  if (wayLocation.isValid())
  {
    return
      MultiLineStringLocation(
        _map->shared_from_this(),
        relation,
        wayIndex,
        wayLocation);
  }
  //otherwise, return an empty location
  else
  {
    return MultiLineStringLocation();
  }
}
Esempio n. 6
0
vector<ElementPtr> PertyWaySplitVisitor::_split(ElementPtr element)
{
  //randomly select elements and split them into two parts
  boost::uniform_real<> randomSplitDistribution(0.0, 1.0);
  const double randomSplitNum = randomSplitDistribution(*_rng);
  if (randomSplitNum <= _waySplitProbability)
  {
    LOG_TRACE("element " << element->getElementId() << " *will* be split based on a split " <<
      "probability of: " <<  _waySplitProbability << " and a randomly generated number: " <<
      randomSplitNum << "\n");

    _splitRecursionLevel++;
    LOG_VART(_splitRecursionLevel);

    const int numNodesBeforeSplit = _map->getNodes().size();
    LOG_VART(numNodesBeforeSplit);
    const int numWaysBeforeSplit = _map->getWays().size();
    LOG_VART(numWaysBeforeSplit);

    WayLocation waySplitPoint;
    MultiLineStringLocation multiLineSplitPoint;
    QList<long> nodeIdsBeforeSplit;
    int segmentIndex = -1;
    ElementId wayId;
    //determine where to split the element
    if (element->getElementType() == ElementType::Way)
    {
      WayPtr way = boost::dynamic_pointer_cast<Way>(element);
      LOG_VART(way->getNodeCount());
      nodeIdsBeforeSplit = QVector<long>::fromStdVector(way->getNodeIds()).toList();
      LOG_VART(nodeIdsBeforeSplit);
      waySplitPoint = _calcSplitPoint(way);
    }
    else
    {
      multiLineSplitPoint = _calcSplitPoint(boost::dynamic_pointer_cast<Relation>(element), wayId);
      waySplitPoint = multiLineSplitPoint.getWayLocation();
    }

    const QString distanceMsgStrEnd =
      QString("a minimum node spacing of ")
        .append(QString::number(_minNodeSpacing))
        .append(" meters");
    if (!waySplitPoint.isValid())
    {
      _splitRecursionLevel--;
      LOG_VART(_splitRecursionLevel);

      LOG_TRACE("split point *will not* be used because *it violates* " << distanceMsgStrEnd);
      //if it violates the min node spacing, return an empty element collection, which will end the
      //recursive splitting on the current way
      return vector<ElementPtr>();
    }
    else
    {
      LOG_TRACE("split point *will* be used because it *does not* violate " << distanceMsgStrEnd);
      segmentIndex = waySplitPoint.getSegmentIndex();
      LOG_VART(segmentIndex);
    }

    //split the element
    vector<ElementPtr> newElementsAfterSplit;
    if (element->getElementType() == ElementType::Way)
    {
      vector<WayPtr> newWaysAfterSplit =
        WaySplitter::split(_map->shared_from_this(),
        boost::dynamic_pointer_cast<Way>(element), waySplitPoint);
      for (size_t i = 0; i < newWaysAfterSplit.size(); i++)
      {
        newElementsAfterSplit.push_back(newWaysAfterSplit.at(i));
      }
    }
    else
    {
      ElementPtr match;
      MultiLineStringSplitter().split(_map->shared_from_this(), multiLineSplitPoint, match);
      newElementsAfterSplit.push_back(match);
    }

    const int numNodesAfterSplit = _map->getNodes().size();
    LOG_VART(numNodesAfterSplit);
    const int numNewNodesCreatedBySplit = numNodesAfterSplit - numNodesBeforeSplit;
    LOG_VART(numNewNodesCreatedBySplit);
    LOG_VART(_map->getWays().size());

    if (numNewNodesCreatedBySplit > 0)
    {
      WayPtr way = boost::dynamic_pointer_cast<Way>(element);
      //Its possible that the splitting of a relation could generate a new node.  In that case,
      //_updateNewNodeProperties does not need to be called b/c the MultiLineStringSplitter has
      //already properly updated the new node's properties.  when a way is split, however, the
      //new node's properties must be updated by the call to _updateNewNodeProperties.
      if (way != 0)
      {
        assert(nodeIdsBeforeSplit.size() > 0);
        //update properties on any nodes added as a result of the way splitting (new ways created as a
        //result of the splitting will already have had their parent's tags added by WaySplitter)
        _updateNewNodeProperties(
          _getNodeAddedBySplit(nodeIdsBeforeSplit, newElementsAfterSplit),
          _map->getNode(way->getNodeId(segmentIndex)),
          _map->getNode(way->getNodeId(segmentIndex + 1)));
      }
    }

    //recursive call
    for (vector<ElementPtr>::const_iterator it = newElementsAfterSplit.begin();
         it != newElementsAfterSplit.end(); ++it)
    {
      _split(*it);
    }

    return newElementsAfterSplit;
  }
  else
  {
    LOG_TRACE("element " << element->getElementId() << " *will not* be split based on a split " <<
      "probability of: " << _waySplitProbability << " and a randomly generated number: " <<
      randomSplitNum << "\n");
  }

  //end the recursive splitting on the current way
  return vector<ElementPtr>();
}
void PoiPolygonMerger::apply(const OsmMapPtr& map,
  vector< pair<ElementId, ElementId> >& replaced) const
{
  ////
  // See "Hootenanny - POI to Building" powerpoint for more details.
  ////

  // merge all POI tags first, but keep Unknown1 and Unknown2 separate. It is implicitly assumed
  // that since they're in a single group they all represent the same entity.
  Tags poiTags1 = _mergePoiTags(map, Status::Unknown1);
  Tags poiTags2 = _mergePoiTags(map, Status::Unknown2);

  // Get all the building parts for each status
  vector<ElementId> buildings1 = _getBuildingParts(map, Status::Unknown1);
  vector<ElementId> buildings2 = _getBuildingParts(map, Status::Unknown2);

  // Merge all the building parts together into a single building entity using the typical building
  // merge process.
  ElementId finalBuildingEid = _mergeBuildings(map, buildings1, buildings2, replaced);

  ElementPtr finalBuilding = map->getElement(finalBuildingEid);

  Tags finalBuildingTags = finalBuilding->getTags();
  if (poiTags1.size())
  {
    finalBuildingTags = TagMergerFactory::getInstance().mergeTags(poiTags1, finalBuildingTags,
      finalBuilding->getElementType());
  }
  if (poiTags2.size())
  {
    finalBuildingTags = TagMergerFactory::getInstance().mergeTags(finalBuildingTags,
      poiTags2, finalBuilding->getElementType());
  }
  finalBuilding->setTags(finalBuildingTags);

  // do some book keeping to remove the POIs and mark them as replaced.
  for (set< pair<ElementId, ElementId> >::const_iterator it = _pairs.begin(); it != _pairs.end();
       ++it)
  {
    const pair<ElementId, ElementId>& p = *it;
    if (p.first.getType() == ElementType::Node)
    {
      replaced.push_back(pair<ElementId, ElementId>(p.first, finalBuildingEid));
      // clear the tags just in case it is part of a way
      if (map->containsElement(p.first))
      {
        map->getElement(p.first)->getTags().clear();
        RecursiveElementRemover(p.first).apply(map);
      }
    }

    if (p.second.getType() == ElementType::Node)
    {
      replaced.push_back(pair<ElementId, ElementId>(p.second, finalBuildingEid));
      // clear the tags just in case it is part of a way
      if (map->containsElement(p.second))
      {
        map->getElement(p.second)->getTags().clear();
        RecursiveElementRemover(p.second).apply(map);
      }
    }
  }
}
Esempio n. 8
0
void OsmApiDbSqlChangesetFileWriter::_deleteExistingElement(ConstElementPtr element)
{
  const QString elementIdStr = QString::number(element->getId());
  const QString elementTypeStr = element->getElementType().toString().toLower();
  ElementPtr changeElement = _getChangeElement(element);

  const long currentVersion = changeElement->getVersion();
  const long newVersion = currentVersion + 1;

  changeElement->setVersion(newVersion);
  changeElement->setVisible(false);
  changeElement->setChangeset(_changesetId);
  LOG_TRACE("Deleting: " << changeElement->getElementId());

  QString note = "";
  LOG_VART(changeElement->getId());
  LOG_VART(note);
  LOG_VART(changeElement->getVersion());
  QString commentStr = "/* delete " + elementTypeStr + " " + QString::number(changeElement->getId());
  commentStr += "*/\n";
  _outputSql.write((commentStr).toUtf8());

  //OSM API DB keeps history for all elements, so the existing element in the master table is not
  //modified and a new record is added with the updated version and visible set to false
  _outputSql.write(("INSERT INTO " + elementTypeStr + "s (" + elementTypeStr + "_id, " +
                    _getInsertValuesStr(changeElement)).toUtf8());

  _deleteCurrentTags(changeElement->getElementId());

  switch (changeElement->getElementType().getEnum())
  {
    case ElementType::Node:

      _outputSql.write(
        ("DELETE FROM " + ApiDb::getCurrentWayNodesTableName() +
         " WHERE node_id=" + elementIdStr + ";\n").toUtf8());
      _outputSql.write(
        ("DELETE FROM " + ApiDb::getCurrentRelationMembersTableName() +
         " WHERE member_type = 'Node' AND member_id = " +
         elementIdStr + ";\n").toUtf8());

      break;

    case ElementType::Way:

      //all of its entries in current way nodes are removed
      _outputSql.write(
        ("DELETE FROM " + ApiDb::getCurrentWayNodesTableName() +
         " WHERE way_id=" + elementIdStr + ";\n").toUtf8());
      _outputSql.write(
        ("DELETE FROM " + ApiDb::getCurrentRelationMembersTableName() +
         " WHERE member_type = 'Way' AND member_id = " +
         elementIdStr + ";\n").toUtf8());

      break;

    case ElementType::Relation:

      _outputSql.write(
        ("DELETE FROM " + ApiDb::getCurrentRelationMembersTableName() +
         " WHERE relation_id=" + elementIdStr + ";\n").toUtf8());
      _outputSql.write(
        ("DELETE FROM " + ApiDb::getCurrentRelationMembersTableName() +
         " WHERE member_type = 'Relation' AND member_id = " +
         elementIdStr + ";\n").toUtf8());

      break;

    default:
      throw HootException("Unknown element type");
  }

  //in the current table, the element isn't deleted but set to be invisible
  const QString values =
    QString("changeset_id=%1, visible=%2, version=%3 WHERE id=%4;\n")
      .arg(changeElement->getChangeset())
      .arg(_getVisibleStr(changeElement->getVisible()))
      .arg(changeElement->getVersion())
      .arg(changeElement->getId());
  _outputSql.write(("UPDATE current_" + elementTypeStr + "s SET " + values).toUtf8());
}