/// <summary>
/// Encodes an OsmSharp-node into a PBF-node.
/// </summary>
public static OsmSharp.IO.PBF.Node EncodeNode(PrimitiveBlock block, Dictionary <string, int> reverseStringTable,
OsmSharp.IO.PBF.Node pbfNode, OsmSharp.Node node)
{
pbfNode.id = node.Id.Value;
pbfNode.info = new Info();
pbfNode.info.version = 0;
if (node.ChangeSetId.HasValue)
{
pbfNode.info.changeset = node.ChangeSetId.Value;
}
else
{
pbfNode.info.changeset = 0;
}
if (node.TimeStamp.HasValue)
{
pbfNode.info.timestamp = Encoder.EncodeTimestamp(node.TimeStamp.Value, block.date_granularity);
}
else
{
pbfNode.info.timestamp = 0;
}
if (node.UserId.HasValue)
{
pbfNode.info.uid = (int)node.UserId.Value;
}
else
{
pbfNode.info.uid = 0;
}
pbfNode.info.user_sid = Encoder.EncodeString(block, reverseStringTable, node.UserName);
if (node.Version.HasValue)
{
pbfNode.info.version = (int)node.Version.Value;
}
else
{
pbfNode.info.version = 0;
}
pbfNode.lat = Encoder.EncodeLatLon(node.Latitude.Value, block.lat_offset, block.granularity);
pbfNode.lon = Encoder.EncodeLatLon(node.Longitude.Value, block.lon_offset, block.granularity);
if (node.Tags != null)
{
foreach (var tag in node.Tags)
{
pbfNode.keys.Add((uint)Encoder.EncodeString(block, reverseStringTable, tag.Key));
pbfNode.vals.Add((uint)Encoder.EncodeString(block, reverseStringTable, tag.Value));
}
}
else
{
pbfNode.keys.Clear();
pbfNode.vals.Clear();
}
return(pbfNode);
}
/// <summary>
/// Encodes an OsmSharp-way into a PBF-way.
/// </summary>
public static OsmSharp.IO.PBF.Way EncodeWay(PrimitiveBlock block, Dictionary <string, int> reverseStringTable, OsmSharp.Way way)
{
var pbfWay = new OsmSharp.IO.PBF.Way();
pbfWay.id = way.Id.Value;
pbfWay.info = new Info();
if (way.ChangeSetId.HasValue)
{
pbfWay.info.changeset = way.ChangeSetId.Value;
}
if (way.TimeStamp.HasValue)
{
pbfWay.info.timestamp = Encoder.EncodeTimestamp(way.TimeStamp.Value, block.date_granularity);
}
if (way.UserId.HasValue)
{
pbfWay.info.uid = (int)way.UserId.Value;
}
pbfWay.info.user_sid = Encoder.EncodeString(block, reverseStringTable, way.UserName);
pbfWay.info.version = 0;
if (way.Version.HasValue)
{
pbfWay.info.version = (int)way.Version.Value;
}
if (way.Tags != null)
{
foreach (var tag in way.Tags)
{
pbfWay.keys.Add((uint)Encoder.EncodeString(block, reverseStringTable, tag.Key));
pbfWay.vals.Add((uint)Encoder.EncodeString(block, reverseStringTable, tag.Value));
}
}
if (way.Nodes != null &&
way.Nodes.Length > 0)
{
pbfWay.refs.Add(way.Nodes[0]);
for (var i = 1; i < way.Nodes.Length; i++)
{
pbfWay.refs.Add(way.Nodes[i] - way.Nodes[i - 1]);
}
}
return(pbfWay);
}
private static void EncodeDenseNode(PrimitiveBlock block, Dictionary <string, int> reverseStringTable, DenseNodes groupDense, OsmSharp.Node current, OsmSharp.Node previous)
{
groupDense.id.Add(current.Id.Value - previous.Id.Value);
var currentLat = Encoder.EncodeLatLon(current.Latitude.Value, block.lat_offset, block.granularity);
var currentLon = Encoder.EncodeLatLon(current.Longitude.Value, block.lon_offset, block.granularity);
var previousLat = Encoder.EncodeLatLon(previous.Latitude.Value, block.lat_offset, block.granularity);
var previousLon = Encoder.EncodeLatLon(previous.Longitude.Value, block.lon_offset, block.granularity);
// Note that the offsets are actually cancelled out by the subtraction below
// LatDiff equals (current.Latitude - previous.Latitude) * 100000000 / granularity
var latDiff = currentLat - previousLat;
var lonDiff = currentLon - previousLon;
groupDense.lat.Add(latDiff);
groupDense.lon.Add(lonDiff);
if (current.Tags != null)
{
foreach (var nodeTag in current.Tags)
{
groupDense.keys_vals.Add(Encoder.EncodeString(block, reverseStringTable, nodeTag.Key));
groupDense.keys_vals.Add(Encoder.EncodeString(block, reverseStringTable, nodeTag.Value));
}
groupDense.keys_vals.Add(0);
}
if (groupDense.denseinfo != null)
{
groupDense.denseinfo.changeset.Add(current.ChangeSetId.Value - previous.ChangeSetId.Value);
var currentTimeStamp = Encoder.EncodeTimestamp(current.TimeStamp.Value, block.date_granularity);
var previousTimeStamp = previous.TimeStamp == null
? 0
: Encoder.EncodeTimestamp(previous.TimeStamp.Value, block.date_granularity);
groupDense.denseinfo.timestamp.Add(currentTimeStamp - previousTimeStamp);
groupDense.denseinfo.uid.Add((int)(current.UserId.Value - previous.UserId.Value));
groupDense.denseinfo.version.Add((int)(current.Version.Value - previous.Version.Value));
var previousUserNameId = previous.UserName == null
? 0
: Encoder.EncodeString(block, reverseStringTable, previous.UserName);
var currentUserNameId = Encoder.EncodeString(block, reverseStringTable, current.UserName);
groupDense.denseinfo.user_sid.Add(currentUserNameId - previousUserNameId);
}
}
/// <summary>
/// Encodes an OsmSharp-relation into a PBF-relation.
/// </summary>
/// <returns></returns>
public static OsmSharp.IO.PBF.Relation EncodeRelation(PrimitiveBlock block, Dictionary <string, int> reverseStringTable, OsmSharp.Relation relation)
{
var pbfRelation = new OsmSharp.IO.PBF.Relation();
pbfRelation.id = relation.Id.Value;
pbfRelation.info = new Info();
if (relation.ChangeSetId.HasValue)
{
pbfRelation.info.changeset = relation.ChangeSetId.Value;
}
if (relation.TimeStamp.HasValue)
{
pbfRelation.info.timestamp = Encoder.EncodeTimestamp(relation.TimeStamp.Value, block.date_granularity);
}
if (relation.UserId.HasValue)
{
pbfRelation.info.uid = (int)relation.UserId.Value;
}
pbfRelation.info.user_sid = Encoder.EncodeString(block, reverseStringTable, relation.UserName);
pbfRelation.info.version = 0;
if (relation.Version.HasValue)
{
pbfRelation.info.version = (int)relation.Version.Value;
}
if (relation.Tags != null)
{
foreach (var tag in relation.Tags)
{
pbfRelation.keys.Add((uint)Encoder.EncodeString(block, reverseStringTable, tag.Key));
pbfRelation.vals.Add((uint)Encoder.EncodeString(block, reverseStringTable, tag.Value));
}
}
if (relation.Members != null &&
relation.Members.Length > 0)
{
pbfRelation.memids.Add(relation.Members[0].Id);
pbfRelation.roles_sid.Add(Encoder.EncodeString(block, reverseStringTable, relation.Members[0].Role));
switch (relation.Members[0].Type)
{
case OsmGeoType.Node:
pbfRelation.types.Add(Relation.MemberType.NODE);
break;
case OsmGeoType.Way:
pbfRelation.types.Add(Relation.MemberType.WAY);
break;
case OsmGeoType.Relation:
pbfRelation.types.Add(Relation.MemberType.RELATION);
break;
}
for (var i = 1; i < relation.Members.Length; i++)
{
pbfRelation.memids.Add(relation.Members[i].Id -
relation.Members[i - 1].Id);
pbfRelation.roles_sid.Add(Encoder.EncodeString(block, reverseStringTable, relation.Members[i].Role));
switch (relation.Members[i].Type)
{
case OsmGeoType.Node:
pbfRelation.types.Add(Relation.MemberType.NODE);
break;
case OsmGeoType.Way:
pbfRelation.types.Add(Relation.MemberType.WAY);
break;
case OsmGeoType.Relation:
pbfRelation.types.Add(Relation.MemberType.RELATION);
break;
}
}
}
return(pbfRelation);
}
