private byte[] generateMapMessage(string roadwayid, int startIndex, int linkCount)
{
if (srInfloDbContext == null)
{
return(new byte[0]);
}
Configuration_Roadway roadway = srInfloDbContext.Configuration_Roadway.Where(r => r.RoadwayId.Equals(roadwayid)).FirstOrDefault();
if (roadway == null)
{
return(new byte[0]);
}
IEnumerable <Configuration_RoadwayMileMarkers> dbMileMarkers = srInfloDbContext.Configuration_RoadwayMileMarkers
.Where(r => r.RoadwayId.Equals(roadway.RoadwayId));
var dbLinks = srInfloDbContext.Configuration_RoadwayLinks
.Where(l => l.RoadwayId.Equals(roadway.RoadwayId)).ToList()
.Where(l => Between(l.BeginMM, roadway.BeginMM, roadway.EndMM, true) && Between(l.EndMM, roadway.BeginMM, roadway.EndMM, true))
.ToArray();
//.Where(l => roadway.BeginMM <= l.BeginMM && l.EndMM <= roadway.EndMM).OrderBy(l => l.BeginMM);
List <ExtractedMapIntersection> asnIntersections = new List <ExtractedMapIntersection>();
for (int linkIndex = startIndex; (linkIndex < dbLinks.Length) && (linkIndex < startIndex + linkCount); linkIndex++)
{
var link = dbLinks[linkIndex];
List <Extracted3DOffset> increasingNodes = new List <Extracted3DOffset>();
List <Extracted3DOffset> decreasingNodes = new List <Extracted3DOffset>();
var dbLinkMileMarkers = dbMileMarkers.ToList()
.Where(m => Between(m.MMNumber, link.BeginMM, link.EndMM, true))
//.Where(m => link.BeginMM <= m.MMNumber && m.MMNumber <= link.EndMM)
.OrderBy(m => m.MMNumber).ToArray();
for (int i = 0; i < dbLinkMileMarkers.Length; i++)
{
var mileMarker = dbLinkMileMarkers[i];
increasingNodes.Insert(i, new Extracted3DOffset(mileMarker.Latitude1, mileMarker.Longitude1, mileMarker.MMNumber));
decreasingNodes.Insert(0, new Extracted3DOffset(mileMarker.Latitude2, mileMarker.Longitude2, mileMarker.MMNumber));
}
ExtractedNodeList increasingApproach = new ExtractedNodeList(increasingNodes.ToArray());
increasingApproach.setName(link.LinkId + "_inc");
ExtractedNodeList decreasingApproach = new ExtractedNodeList(decreasingNodes.ToArray());
decreasingApproach.setName(link.LinkId + "_dec");
asnIntersections.Add(new ExtractedMapIntersection(link.LinkId, new ExtractedNodeList[] { increasingApproach, decreasingApproach }));
}
ExtractedMap results = new ExtractedMap(roadway.RoadwayId + "\n" + roadway.Name);
results.setIntersections(asnIntersections.ToArray());
return(results.generateASN());
}
ExtractedTimFrame BuildAlertFrame(string roadwayid, string text, DateTime startTime, int duration, double startMM, double endMM)
{
bool reversed = startMM > endMM;
if (reversed)
{
double swap = startMM;
startMM = endMM;
endMM = swap;
}
ExtractedTimFrame results = new ExtractedTimFrame(text, startTime, duration);
var dbAlertMileMarkers = srInfloDbContext.Configuration_RoadwayMileMarkers
.Where(r => r.RoadwayId.Equals(roadwayid));
//Snap to closest milemarkers by widening the alert.
try
{
startMM = dbAlertMileMarkers.Where(m => m.MMNumber <= startMM).OrderByDescending(m => m.MMNumber).First().MMNumber;
}
catch { }
try
{
endMM = dbAlertMileMarkers.Where(m => m.MMNumber >= endMM).OrderBy(m => m.MMNumber).First().MMNumber;
}
catch { }
dbAlertMileMarkers = dbAlertMileMarkers.Where(m => startMM <= m.MMNumber && m.MMNumber <= endMM);
if (reversed)
{
dbAlertMileMarkers = dbAlertMileMarkers.OrderByDescending(m => m.MMNumber);
}
else
{
dbAlertMileMarkers = dbAlertMileMarkers.OrderBy(m => m.MMNumber);
}
var dbAlertMileMarkersList = dbAlertMileMarkers.ToList();
List <ExtractedNodeList> alertPaths = new List <ExtractedNodeList>();
while (dbAlertMileMarkersList.Count() > 1)
{
var mmarkers = dbAlertMileMarkersList.GetRange(0, Math.Min(MileMarkersPerValidRegion, dbAlertMileMarkersList.Count()));
List <Extracted3DOffset> nodes = new List <Extracted3DOffset>();
if (reversed)
{
mmarkers.OrderByDescending(m => m.MMNumber).ToList().ForEach(m => nodes.Add(new Extracted3DOffset(m.Latitude2, m.Longitude2, m.MMNumber)));
}
else
{
mmarkers.OrderBy(m => m.MMNumber).ToList().ForEach(m => nodes.Add(new Extracted3DOffset(m.Latitude1, m.Longitude1, m.MMNumber)));
}
if (nodes.Count > 1)
{
ExtractedNodeList alertPath = new ExtractedNodeList(nodes.ToArray());
alertPaths.Add(alertPath);
}
dbAlertMileMarkersList.RemoveRange(0, mmarkers.Count() - 1);
}
results.setAlertPaths(alertPaths.ToArray());
return(results);
}
