public int Write(SegmentDescription description)
{
EnsureWrite(writeStage.Descriptions);
int i = descriptionCount++;
descriptions[description] = i;
writer.WriteStartObject();
writer.WritePropertyName(Constants.TAG_SEGMENT_DESCRIPTION_LANES);
writer.WriteStartArray();
foreach (var lane in description.Lanes)
{
serializer.Serialize(writer, lane);
}
writer.WriteEndArray();
writer.WriteEndObject();
return(i);
}
private IEnumerable <SegmentDescription> readDescriptions(JsonTextReader reader, JsonSerializer serializer, List <SegmentDescription> descriptions)
{
// use single buffer for the lanes, they are usually the same size and clear doesn't reset the capacity?
var lanes = new List <LaneDescription>();
if (reader.Read())
{
// start array
if (reader.TokenType == JsonToken.StartArray)
{
do
{
if (reader.Read()) // inside node
{
if (reader.TokenType == JsonToken.StartObject)
{
var segmentDescription = new SegmentDescription();
int depth = reader.Depth;
do
{
if (reader.Read())
{
if (reader.TokenType == JsonToken.PropertyName)
{
switch ((string)reader.Value)
{
case Constants.TAG_SEGMENT_DESCRIPTION_LANES:
segmentDescription.Lanes = readLanes(reader, serializer, lanes);
break;
}
}
}
} while (reader.Depth > depth);
descriptions.Add(segmentDescription);
yield return(segmentDescription);
}
}
} while (reader.TokenType != JsonToken.EndArray);
}
}
}
private IEnumerable <Segment> readSegments(JsonTextReader reader, RoadManager roads, JsonSerializer serializer, List <Node> nodes, List <SegmentDescription> descriptions)
{
if (reader.Read())
{
// start array
if (reader.TokenType == JsonToken.StartArray)
{
do
{
if (reader.Read()) // inside node
{
if (reader.TokenType == JsonToken.StartObject)
{
Node start = null, end = null;
Vector3 startTangent = Vector3.zero, endTangent = Vector3.zero;
Vector3 startOffset = Vector3.zero, endOffset = Vector3.zero;
SegmentDescription description = null;
int depth = reader.Depth;
do
{
if (reader.Read())
{
if (reader.TokenType == JsonToken.PropertyName)
{
switch ((string)reader.Value)
{
case Constants.TAG_SEGMENT_START:
readConnection(reader, serializer, roads, nodes, out start, out startTangent, out startOffset);
break;
case Constants.TAG_SEGMENT_END:
readConnection(reader, serializer, roads, nodes, out end, out endTangent, out endOffset);
break;
case Constants.TAG_SEGMENT_DESCRIPTION:
description = descriptions[reader.ReadAsInt32() ?? -1];
break;
}
}
}
} while (reader.Depth > depth);
if (start != null && end != null)
{
var seg = roads.CreateSegment(start, end, description);
seg.Start.Tangent = startTangent;
seg.End.Tangent = endTangent;
seg.Start.Offset = startOffset;
seg.End.Offset = endOffset;
yield return(seg);
}
else
{
throw new FormatException("expected start AND end connections for segment");
}
}
}
} while (reader.TokenType != JsonToken.EndArray);
}
}
}
public async Task LoadAsync(string file)
{
var bounds = new coordinateSet();
var bounds2 = new coordinateSet();
int failCount = 0;
var nodeDictionary = new Dictionary <long, Simulation.Traffic.Node>();
using (var stream = File.OpenRead(file))
{
OsmStreamSource source;
if (file.EndsWith(".pbf"))
{
source = new PBFOsmStreamSource(stream);
}
else
{
source = new XmlOsmStreamSource(stream);
}
using (source)
{
var nodes = source.AsParallel().OfType <OsmSharp.Node>().ToDictionary(k => k.Id);
var ways = source.AsParallel().Where(s => s.Type == OsmSharp.OsmGeoType.Way).OfType <Way>();
var highWays = ways.Where(w => (w.Tags.ContainsKey("highway") || w.Tags.ContainsKey("railway")) && !w.Tags.ContainsKey("fixme")).ToArray();
//foreach (var way in highWays)
highWays.AsParallel().ForAll(way =>
{
foreach (var n in way.Nodes)
{
OsmSharp.Node node;
if (nodes.TryGetValue(n, out node))
{
var lat = (node.Latitude ?? 0);
var lon = (node.Longitude ?? 0);
lock (bounds)
bounds.fit(lat, lon);
}
}
});
var srtmFolder = System.IO.Path.Combine(System.IO.Path.GetTempPath(), "SRTM");
System.IO.Directory.CreateDirectory(srtmFolder);
var b = new OsmSharp.API.Bounds
{
MinLatitude = bounds.minLat,
MaxLatitude = bounds.maxLat,
MinLongitude = bounds.minLon,
MaxLongitude = bounds.maxLon
};
await SRTM.SRTMDownloader.DownloadAsync(b, srtmFolder);
var data = new SrtmData(srtmFolder);
manager = new CanvasRoadManager(canvas, toX(bounds, bounds.maxLon, bounds.maxLat), toY(bounds, bounds.maxLon, bounds.maxLat));
foreach (var way in highWays)
{
string tagValue;
if (way.Tags.TryGetValue("area", out tagValue))
{
if (tagValue == "yes")
{
continue;
}
}
Simulation.Traffic.Node lastTrafficNode = null;
SegmentDescription description = getDescription(way);
if (description == null)
{
continue;
}
foreach (var n in way.Nodes)
{
OsmSharp.Node node;
if (nodes.TryGetValue(n, out node))
{
Simulation.Traffic.Node trafficNode = null;
if (!nodeDictionary.TryGetValue(n, out trafficNode))
{
var lat = node.Latitude ?? 0;
var lon = node.Longitude ?? 0;
var ele = GetHeight(data, lat, lon);
nodeDictionary.Add(n, trafficNode = manager.CreateNode(new Vector3(toX(bounds, lon, lat), ele, toY(bounds, lon, lat))));
(trafficNode as TrafficNode).OSMNode = node;
}
if (lastTrafficNode != null)
{
manager.CreateSegment(lastTrafficNode, trafficNode, description);
}
lastTrafficNode = trafficNode;
}
else
{
failCount++;
}
}
}
int nodeCountBefore = this.manager.Nodes.Count();
mergeCloseNodes();
cleanupStraights();
cleanupCorners();
int nodeCountAfter = this.manager.Nodes.Count();
System.Diagnostics.Debug.WriteLine($"Before: {nodeCountBefore}, after: {nodeCountAfter}");
foreach (var node in manager.Nodes)
{
node.UpdateOffsets();
}
manager.Update();
}
}
detailsGrid.DataContext = manager;
}
public TrafficSegment(SegmentDescription description, CanvasRoadManager manager) : base(description, manager)
{
}
/// <summary>
/// Convert the SegmentDescription struct defined in adapter to stack
/// </summary>
/// <param name="segmentDescription">The segments field is composed of a number cSegments
/// of SegmentDescription fields. Each SegmentDescription field corresponds to a content segment
/// in the order in which they appear in the original content.
/// </param>
/// <returns>Return the SegmentDescription type defined in stack</returns>
private static TestTools.StackSdk.BranchCache.Pccrc.SegmentDescription[] ConvertToStackForSegDescription(
SegmentDescription[] segmentDescription)
{
TestTools.StackSdk.BranchCache.Pccrc.SegmentDescription[] segmentDescriptionStack
= new TestTools.StackSdk.BranchCache.Pccrc.SegmentDescription[segmentDescription.Length];
for (int i = 0; i < segmentDescriptionStack.Length; i++)
{
segmentDescriptionStack[i].cbBlockSize = segmentDescription[i].CbBlockSize;
segmentDescriptionStack[i].cbSegment = segmentDescription[i].CbSegment;
segmentDescriptionStack[i].SegmentHashOfData = segmentDescription[i].SegmentHashOfData;
segmentDescriptionStack[i].SegmentSecret = segmentDescription[i].SegmentSecret;
segmentDescriptionStack[i].ullOffsetInContent = segmentDescription[i].UllOffsetInContent;
}
return segmentDescriptionStack;
}
/// <summary>
/// Convert the SegmentDescription struct defined in stack to adapter
/// </summary>
/// <param name="segmentDescriptionStack">The segments field is composed of a number cSegments
/// of SegmentDescription fields. Each SegmentDescription field corresponds to a content segment
/// in the order in which they appear in the original content.
/// </param>
/// <returns>Return the SegmentDescription type defined in adapter</returns>
private static SegmentDescription[] ConvertFromStackForSegDescription(
TestTools.StackSdk.BranchCache.Pccrc.SegmentDescription[] segmentDescriptionStack)
{
Microsoft.Protocols.TestSuites.Pchc.SegmentDescription[] segmentDescription
= new SegmentDescription[segmentDescriptionStack.Length];
for (int i = 0; i < segmentDescription.Length; i++)
{
segmentDescription[i].CbBlockSize = segmentDescriptionStack[i].cbBlockSize;
segmentDescription[i].CbSegment = segmentDescriptionStack[i].cbSegment;
segmentDescription[i].SegmentHashOfData = segmentDescriptionStack[i].SegmentHashOfData;
segmentDescription[i].SegmentSecret = segmentDescriptionStack[i].SegmentSecret;
segmentDescription[i].UllOffsetInContent = segmentDescriptionStack[i].ullOffsetInContent;
}
return segmentDescription;
}