/// <summary>
/// Creates a collection of Node objects from nodes in tokens.
/// </summary>
/// <param name="timestampGranularity">Timestamp granularity as defined in PrimitiveBlock.</param>
/// <param name="positionGranularity">Granularity as defined in PrimitiveBlock.</param>
/// <param name="latOffset">Latitude offset as defined in PrimitiveBlock.</param>
/// <param name="lonOffset">Longitude offset as defined in PrimitiveBlock.</param>
/// <returns>The DenseNode obejct with data from nodes in tokens.</returns>
private List <PbfNode> BuildNodes(int timestampGranularity, int positionGranularity, long latOffset, long lonOffset)
{
List <PbfNode> result = new List <PbfNode>(_nodesBuffer.Count);
foreach (var node in _nodesBuffer)
{
PbfNode toAdd = new PbfNode();
toAdd.ID = node.ID;
toAdd.Latitude = (long)Math.Round(((node.Latitude / 1E-09) - latOffset) / positionGranularity);
toAdd.Longitude = (long)Math.Round(((node.Longitude / 1E-09) - lonOffset) / positionGranularity);
if (node.Tags.Count > 0)
{
toAdd.Keys = new List <uint>();
toAdd.Values = new List <uint>();
foreach (var tag in node.Tags)
{
toAdd.Keys.Add(_nodesBuffer.GetStringIndex(tag.Key));
toAdd.Values.Add(_nodesBuffer.GetStringIndex(tag.Value));
}
}
if (node.Metadata != null && this.Settings.WriteMetadata)
{
toAdd.Metadata = this.BuildInfo(node.Metadata, timestampGranularity, _nodesBuffer);
}
result.Add(toAdd);
}
return(result);
}
/// <summary>
/// Creates collection of PbfRelation objects from relations in tokens.
/// </summary>
/// <param name="timestampGranularity">Timestamp granularity as defined in PrimitiveBlock.</param>
/// <returns>The collection of PbfRelation objects created from relations in tokens.</returns>
private List <PbfRelation> BuildRelations(int timestampGranularity)
{
List <PbfRelation> result = new List <PbfRelation>();
foreach (var relation in _relationBuffer)
{
PbfRelation toAdd = new PbfRelation();
toAdd.ID = relation.ID;
long lastRef = 0;
foreach (var member in relation.Members)
{
toAdd.MemberIds.Add(member.Reference - lastRef);
lastRef = member.Reference;
toAdd.RolesIndexes.Add((int)_relationBuffer.GetStringIndex(member.Role ?? string.Empty));
PbfRelationMemberType memberType = 0;
switch (member.MemberType)
{
case EntityType.Node: memberType = PbfRelationMemberType.Node; break;
case EntityType.Way: memberType = PbfRelationMemberType.Way; break;
case EntityType.Relation: memberType = PbfRelationMemberType.Relation; break;
}
toAdd.Types.Add(memberType);
}
toAdd.Keys = new List <uint>(relation.Tags.Count);
toAdd.Values = new List <uint>(relation.Tags.Count);
if (relation.Tags.Count > 0)
{
foreach (var tag in relation.Tags)
{
toAdd.Keys.Add(_relationBuffer.GetStringIndex(tag.Key));
toAdd.Values.Add(_relationBuffer.GetStringIndex(tag.Value));
}
}
if (relation.Metadata != null && this.Settings.WriteMetadata)
{
toAdd.Metadata = this.BuildInfo(relation.Metadata, timestampGranularity, _relationBuffer);
}
result.Add(toAdd);
}
return(result);
}
/// <summary>
/// Creates collection of PbfWay objects from ways in tokens.
/// </summary>
/// <param name="timestampGranularity">Timestamp granularity as defined in PrimitiveBlock.</param>
/// <returns>The collection of PbfWay objects created from relations in tokens.</returns>
private List <PbfWay> BuildWays(int timestampGranularity)
{
List <PbfWay> result = new List <PbfWay>();
foreach (var way in _wayBuffer)
{
long lastRef = 0;
PbfWay toAdd = new PbfWay();
toAdd.ID = way.ID;
if (way.Nodes.Count > 0)
{
toAdd.Refs = new List <long>(way.Nodes.Count);
for (int i = 0; i < way.Nodes.Count; i++)
{
toAdd.Refs.Add(way.Nodes[i] - lastRef);
lastRef = way.Nodes[i];
}
}
if (way.Tags.Count > 0)
{
toAdd.Keys = new List <uint>();
toAdd.Values = new List <uint>();
foreach (var tag in way.Tags)
{
toAdd.Keys.Add(_wayBuffer.GetStringIndex(tag.Key));
toAdd.Values.Add(_wayBuffer.GetStringIndex(tag.Value));
}
}
if (way.Metadata != null && this.Settings.WriteMetadata)
{
toAdd.Metadata = this.BuildInfo(way.Metadata, timestampGranularity, _wayBuffer);
}
result.Add(toAdd);
}
return(result);
}