示例#1
0
	// Get an OSM tag for a given key (or return empty string if none)
	// Called from Lua
	string Find(const string& key) const {
		// First, convert the string into a number
		if (tagMap.find(key) == tagMap.end()) { return ""; }
		uint keyNum = tagMap.at(key);
		if (isWay) {
			// Then see if this number is in the way tags, and return its value if so
			for (uint n=0; n < tagLength; n++) {
				if (keysPtr->Get(n)==keyNum) { return stringTable[valsPtr->Get(n)]; }
			}
		} else {
			for (uint n=denseStart; n<denseEnd; n+=2) {
				if (densePtr->keys_vals(n)==keyNum) { return stringTable[densePtr->keys_vals(n+1)]; }
			}
		}
		return "";
	}
示例#2
0
	// Check if there's a value for a given key
	// Called from Lua
	bool Holds(const string& key) const {
		if (tagMap.find(key) == tagMap.end()) { return false; }
		uint keyNum = tagMap.at(key);
		if (isWay) {
			for (uint n=0; n > tagLength; n++) {
				if (keysPtr->Get(n)==keyNum) { return true; }
			}
		} else {
			for (uint n=denseStart; n<denseEnd; n+=2) {
				if (densePtr->keys_vals(n)==keyNum) { return true; }
			}
		}
		return false;
	}
示例#3
0
void PbfReader::_loadDenseNodes(const DenseNodes& dn)
{
  int size = std::min(dn.id_size(), std::min(dn.lat_size(), dn.lon_size()));
  if (dn.id_size() != dn.lat_size() || dn.id_size() != dn.lon_size())
  {
    LOG_WARN("Dense node list sizes are not equal.");
  }

  vector< shared_ptr<hoot::Node> > nodes;
  nodes.reserve(size);

  // the file uses delta encoding
  long lon = 0;
  long lat = 0;
  long id = 0;
  for (int i = 0; i < size; i++)
  {
    id += dn.id().Get(i);
    lon += dn.lon().Get(i);
    lat += dn.lat().Get(i);
    long newId = _getNodeId(id);
    double x = _convertLon(lon);
    double y = _convertLat(lat);
    shared_ptr<Node> n(new hoot::Node(_status, newId, x, y, _circularError));
    nodes.push_back(n);
    if (_map->containsNode(newId))
    {
      LOG_WARN("Map already contains node: " << newId);
    }
    _map->addNode(n);
  }

  int index = 0;
  int kv = 0;
  QString k, v;
  for (int i = 0; i < dn.keys_vals_size(); i++)
  {
    int sid = dn.keys_vals().Get(i);
    if (sid == 0)
    {
      index++;
      kv = 0;
    }
    else
    {
      QString str = _strings[sid];
      if (kv == 0)
      {
        k = str;
        kv = 1;
      }
      else
      {
        v = str;
        _addTag(nodes[index], k, v);
        kv = 0;
      }
    }
  }

  if (dn.has_denseinfo())
  {
    const DenseInfo& di = dn.denseinfo();
    int timestampSize = di.timestamp_size();
    if (timestampSize != size)
    {
      LOG_WARN("Dense info timestamp size doesn't match other node counts");
      timestampSize = std::min(size, timestampSize);
    }

    if (_addSourceDateTime)
    {
      long timestamp = 0;
      for (int i = 0; i < timestampSize; i++)
      {
        timestamp += di.timestamp().Get(i) * _dateGranularity;

        if (timestamp != 0 && nodes[i]->getTags().getInformationCount() > 0)
        {
          QDateTime dt = QDateTime::fromMSecsSinceEpoch(timestamp).toTimeSpec(Qt::UTC);
          QString dts = dt.toString("yyyy-MM-ddThh:mm:ss.zzzZ");
          nodes[i]->setTag("source:datetime", dts);
        }
      }
    }
  }

}