/// <summary>
/// Converts a PBF-way into an OsmSharp-way.
/// </summary>
public static void DecodeWay(PrimitiveBlock block, OsmSharp.IO.PBF.Way pbfWay, OsmSharp.Way way)
{
// make sure old data is gone.
if (way.Nodes != null &&
way.Nodes.Length > 0)
{ // clear nodes list.
way.Nodes = new long[pbfWay.refs.Count];
}
if (way.Tags != null)
{ // clear the tags collection.
way.Tags.Clear();
}
if (way.Nodes == null)
{ // create nodes list.
way.Nodes = new long[pbfWay.refs.Count];
}
if (way.Tags == null)
{ // create tags collection.
way.Tags = new TagsCollection(pbfWay.keys.Count);
}
// set new stuff.
way.Id = pbfWay.id;
if (pbfWay.refs.Count > 0)
{ // fill nodes-list.
long nodeId = 0;
for (int i = 0; i < pbfWay.refs.Count; i++)
{
nodeId = nodeId + pbfWay.refs[i];
way.Nodes[i] = nodeId;
}
}
if (pbfWay.keys.Count > 0)
{
for (var i = 0; i < pbfWay.keys.Count; i++)
{
var key = System.Text.Encoding.UTF8.GetString(block.stringtable.s[(int)pbfWay.keys[i]]);
var value = System.Text.Encoding.UTF8.GetString(block.stringtable.s[(int)pbfWay.vals[i]]);
if (!way.Tags.TryAdd(key, value))
{
// Addition of the tag failed
Logger.Log("invalid tag", TraceEventType.Error,
$"Could not add tag `{key}={value}` to the tagscollection of osm.org/way/{way.Id} - possible duplicate keys?");
}
}
}
if (pbfWay.info != null)
{ // add the metadata if any.
way.ChangeSetId = pbfWay.info.changeset;
way.TimeStamp = Encoder.DecodeTimestamp(pbfWay.info.timestamp, block.date_granularity);
way.UserId = pbfWay.info.uid;
way.UserName = null;
if (block.stringtable != null)
{
way.UserName = System.Text.Encoding.UTF8.GetString(block.stringtable.s[pbfWay.info.user_sid]);
}
way.Version = pbfWay.info.version;
}
way.Visible = true;
}
/// <summary>
/// Converts the PBF node into an OsmSharp-node.
/// </summary>
/// <returns></returns>
public static OsmSharp.Node DecodeNode(PrimitiveBlock block, OsmSharp.IO.PBF.Node pbfNode, OsmSharp.Node node)
{
// clear old data.
if (node.Tags != null)
{ // clear tags.
node.Tags.Clear();
}
if (node.Tags == null)
{ // create tags collection.
node.Tags = new TagsCollection(0);
}
// set new stuff.
node.ChangeSetId = pbfNode.info.changeset;
node.Id = pbfNode.id;
node.Latitude = Encoder.DecodeLatLon(pbfNode.lat, block.lat_offset, block.granularity);
node.Longitude = Encoder.DecodeLatLon(pbfNode.lon, block.lon_offset, block.granularity);
for (var i = 0; i < pbfNode.keys.Count; i++)
{
var key = System.Text.Encoding.UTF8.GetString(block.stringtable.s[(int)pbfNode.keys[i]]);
var value = System.Text.Encoding.UTF8.GetString(block.stringtable.s[(int)pbfNode.vals[i]]);
if (!node.Tags.TryAdd(key, value))
{
// Addition of the tag failed
Logger.Log("invalid tag", TraceEventType.Error,
$"Could not add tag `{key}={value}` to the tagscollection of osm.org/node/{node.Id} - possible duplicate keys?");
}
}
if (pbfNode.info != null)
{ // add the metadata if any.
node.TimeStamp = Encoder.DecodeTimestamp(pbfNode.info.timestamp, block.date_granularity);
node.Visible = true;
node.Version = pbfNode.info.version;
node.UserId = pbfNode.info.uid;
node.UserName = null;
if (block.stringtable != null)
{
node.UserName = System.Text.Encoding.UTF8.GetString(block.stringtable.s[pbfNode.info.user_sid]);
}
}
node.Visible = true;
return(node);
}
/// <summary>
/// Converts the PBF node into an OsmSharp-node.
/// </summary>
/// <returns></returns>
public static OsmSharp.Node DecodeNode(PrimitiveBlock block, OsmSharp.IO.PBF.Node pbfNode, OsmSharp.Node node)
{
// clear old data.
if (node.Tags != null)
{ // clear tags.
node.Tags.Clear();
}
if (node.Tags == null)
{ // create tags collection.
node.Tags = new TagsCollection();
}
// set new stuff.
node.ChangeSetId = pbfNode.info.changeset;
node.Id = pbfNode.id;
node.Latitude = Encoder.DecodeLatLon(pbfNode.lat, block.lat_offset, block.granularity);
node.Longitude = Encoder.DecodeLatLon(pbfNode.lon, block.lon_offset, block.granularity);
for (var i = 0; i < pbfNode.keys.Count; i++)
{
node.Tags.Add(new Tag()
{
Key = System.Text.Encoding.UTF8.GetString(block.stringtable.s[(int)pbfNode.keys[i]]),
Value = System.Text.Encoding.UTF8.GetString(block.stringtable.s[(int)pbfNode.vals[i]])
});
}
if (pbfNode.info != null)
{ // add the metadata if any.
node.TimeStamp = Encoder.DecodeTimestamp(pbfNode.info.timestamp, block.date_granularity);
node.Visible = true;
node.Version = pbfNode.info.version;
node.UserId = pbfNode.info.uid;
node.UserName = null;
if (block.stringtable != null)
{
node.UserName = System.Text.Encoding.UTF8.GetString(block.stringtable.s[pbfNode.info.user_sid]);
}
}
node.Visible = true;
return(node);
}
/// <summary>
/// Converts a PBF way into an OsmSharp-relation.
/// </summary>
public static OsmSharp.Relation DecodeRelation(PrimitiveBlock block, OsmSharp.IO.PBF.Relation pbfRelation,
OsmSharp.Relation relation)
{
// make sure old data is gone.
if (relation.Members != null &&
relation.Members.Length > 0)
{ // clear members.
relation.Members = new RelationMember[pbfRelation.memids.Count];
}
if (relation.Tags != null)
{ // clear the tags collection.
relation.Tags.Clear();
}
if (relation.Members == null)
{ // clear members.
relation.Members = new RelationMember[pbfRelation.memids.Count];
}
if (relation.Tags == null)
{ // create tags collection.
relation.Tags = new TagsCollection(pbfRelation.keys.Count);
}
// add nex stuff.
relation.Id = pbfRelation.id;
long memberId = 0;
for (var i = 0; i < pbfRelation.types.Count; i++)
{
memberId = memberId + pbfRelation.memids[i];
var role = System.Text.Encoding.UTF8.GetString(
block.stringtable.s[pbfRelation.roles_sid[i]]);
var member = new OsmSharp.RelationMember();
member.Id = memberId;
member.Role = role;
switch (pbfRelation.types[i])
{
case Relation.MemberType.NODE:
member.Type = OsmSharp.OsmGeoType.Node;
break;
case Relation.MemberType.WAY:
member.Type = OsmSharp.OsmGeoType.Way;
break;
case Relation.MemberType.RELATION:
member.Type = OsmSharp.OsmGeoType.Relation;
break;
}
relation.Members[i] = member;
}
for (int i = 0; i < pbfRelation.keys.Count; i++)
{
string key = System.Text.Encoding.UTF8.GetString(block.stringtable.s[(int)pbfRelation.keys[i]]);
string value = System.Text.Encoding.UTF8.GetString(block.stringtable.s[(int)pbfRelation.vals[i]]);
relation.Tags.Add(new Tag(key, value));
}
if (pbfRelation.info != null)
{ // read metadata if any.
relation.ChangeSetId = pbfRelation.info.changeset;
relation.TimeStamp = Encoder.DecodeTimestamp(pbfRelation.info.timestamp, block.date_granularity);
relation.UserId = pbfRelation.info.uid;
relation.UserName = null;
if (block.stringtable != null)
{
relation.UserName = System.Text.Encoding.UTF8.GetString(block.stringtable.s[pbfRelation.info.user_sid]);
}
relation.Version = pbfRelation.info.version;
}
relation.Visible = true;
return(relation);
}
