/// <summary>
/// Adds a node that is at least part of one road.
/// </summary>
/// <param name="nodeId"></param>
/// <returns></returns>
private uint?AddRoadNode(long nodeId)
{
uint id;
// try and get existing node.
if (!_idTransformations.TryGetValue(nodeId, out id))
{
// get coordinates.
ICoordinate coordinates;
if (_coordinates.TryGet(nodeId, out coordinates))
{ // the coordinate is present.
id = _dynamicGraph.AddVertex(
coordinates.Latitude, coordinates.Longitude);
_coordinates.Remove(nodeId); // free the memory again!
if (_relevantNodes.Contains(nodeId))
{
_idTransformations[nodeId] = id;
}
// trigger event.
if (this.VertexAdded != null)
{
this.VertexAdded(nodeId, id);
}
return(id);
}
return(null);
}
return(id);
}
/// <summary>
/// Adds a node that is at least part of one road.
/// </summary>
/// <param name="nodeId"></param>
/// <returns></returns>
private uint?AddRoadNode(long nodeId)
{
uint id;
// try and get existing node.
if (!_idTransformations.TryGetValue(nodeId, out id))
{
// get coordinates.
GeoCoordinateSimple coordinates;
if (_coordinates.TryGetValue(nodeId, out coordinates))
{ // the coordinate is present.
id = _dynamicGraph.AddVertex(
coordinates.Latitude, coordinates.Longitude);
_coordinates.Remove(nodeId); // free the memory again!
if (_usedTwiceOrMore.Contains(nodeId))
{
_idTransformations[nodeId] = id;
}
return(id);
}
return(null);
}
return(id);
}