/// <summary>
/// Загрузить панорамы по дорогам
/// </summary>
public void DownloadRoadsStreetViews()
{
int pointsCount = roads.Where(road => !road.IsStreetViewsDownloaded).Sum(road => road.PolylineChunks.Where(chunk => !chunk.IsStreetViewsDownloaded)
.Sum(chunk => chunk.OrderedLocationEntities.Count));
int count = 0;
foreach (Road road in roads)
{
if (!road.IsStreetViewsDownloaded)
{
foreach (PolylineChunk chunk in road.PolylineChunks)
{
if (!chunk.IsStreetViewsDownloaded)
{
DownloadChunkStreetViews(chunk);
count += chunk.OrderedLocationEntities.Count;
Status = count * 100 / pointsCount;
}
AddDownloadedChunkToList(chunk);
}
road.IsStreetViewsDownloaded = true;
context.SaveChanges();
}
AddDownloadedRoadToList(road);
}
Status = 100;
}
// ==============================================================================================================
// = Implementation
// ==============================================================================================================
private void ProcessSignViewDetection(List <string> roadNames)
{
int count = 0;
GeographiData geoData = GeographiData.Instance;
foreach (string roadName in roadNames)
{
Road road = geoData.Roads[roadName];
if (!road.IsSignDetected)
{
List <PolylineChunk> orderedPolylineChunk = road.PolylineChunks.OrderBy(x => x.Order).ToList();
for (int i = 0; i < orderedPolylineChunk.Count; i++)
{
if (!orderedPolylineChunk[i].IsSignDetected)
{
DetectSignForChunk(orderedPolylineChunk[i]);
}
}
for (int i = orderedPolylineChunk.Count - 1; i >= 0; i--)
{
if (!orderedPolylineChunk[i].IsSignDetected)
{
DetectSignForChunk(orderedPolylineChunk[i]);
}
orderedPolylineChunk[i].IsSignDetected = true;
dbContext.SaveChanges();
}
road.IsSignDetected = true;
dbContext.SaveChanges();
}
AddProcessedRoadName(roadName);
count++;
Status = count / roadNames.Count;
}
}
/// <summary>
/// Получить все пути по области.
/// </summary>
/// <param name="lat">Широта точки центра области запроса.</param>
/// <param name="lng">Долгота точки центра области запроса.</param>
/// <returns>Список путей (списков списков координат)</returns>
public List <PolylineChunk> GetAllDirectionsOfArea(double lat, double lng)
{
List <PolylineChunk> areaChunks = new List <PolylineChunk>();
GeoJson geoJson = overpassService.GetWaysOfArea(lat, lng, parameters.Radius);
HashSet <long> chunkIdSet = new HashSet <long>(dbContext.Chunks.Select(ch => ch.OverpassId));
areaChunks.AddRange(geoService.GetPolylineChunksFromGeoJson(geoJson));
areaChunks.RemoveAll(ch => chunkIdSet.Contains(ch.OverpassId));
dbContext.Chunks.AddRange(areaChunks);
dbContext.SaveChanges();
return(areaChunks);
}