private GridCell FindGridCell(double[] requestStart)
{
foreach (var g in _grid)
{
if (DistanceHelpers.IsInside(requestStart, g.Border.Select(x => x.ToDoubleArray()).ToArray()))
{
return(g);
}
}
throw new Exception();
}
private void CheckIfAllPoinsInsidePolygon(RouteSearchRequestDTO request)
{
var polygon = request.PolygonPoints.Select(x => x.ToDoubleArray()).ToArray();
foreach (var p in request.Points)
{
if (!DistanceHelpers.IsInside(p.ToDoubleArray(), polygon))
{
throw new Exception("Ne visi tarpiniai taškai patenka į apibrėžtą poligoną");
}
}
if (!DistanceHelpers.IsInside(request.Start.ToDoubleArray(), polygon))
{
throw new Exception("Pradžia nepatenka į apibrėžtą poligoną");
}
if (!DistanceHelpers.IsInside(request.End.ToDoubleArray(), polygon))
{
throw new Exception("Pabaiga nepatenka į apibrėžtą poligoną");
}
}
public LoadedData2 LoadDataBetweenTwoPoints(double[] start, double[] end, double[][] polygonPoints)
{
var cellSequence = new List <GridCell>();
var startGridCell = FindGridCell(start);
var endGridCell = FindGridCell(end);
cellSequence.Add(startGridCell);
if (startGridCell.Index != endGridCell.Index)
{
cellSequence.Add(endGridCell);
}
if (!cellToFeatures.ContainsKey(startGridCell.Index))
{
cellToFeatures[startGridCell.Index] = ReadCellData(startGridCell.Index);
UpdateNeighbours(cellToFeatures, startGridCell);
}
if (!cellToFeatures.ContainsKey(endGridCell.Index))
{
cellToFeatures[endGridCell.Index] = ReadCellData(endGridCell.Index);
UpdateNeighbours(cellToFeatures, endGridCell);
}
var tempGridCells = GetTempGridCells(cellSequence.ToArray());
foreach (var c in tempGridCells)
{
if (!cellToFeatures.ContainsKey(c.Index))
{
cellToFeatures[c.Index] = ReadCellData(c.Index);
UpdateNeighbours(cellToFeatures, c);
}
cellSequence.Add(c);
}
var result = new List <RouteFeature>();
//double diff = 6000;
//var count = 0;
//DistanceHelpers.DistanceBetweenCoordinates();
foreach (var c in cellSequence)
{
//count += cellToFeatures[c.Index].Features.Length; //how much we will save
result.AddRange(cellToFeatures[c.Index].Features);
//foreach (var f in cellToFeatures[c.Index].Features)
//{
// var cord = f.Data.Coordinates.Skip(f.Data.Coordinates.Length / 2).FirstOrDefault().ToDoubleArray();
// var projection = DistanceHelpers.GetProjectionOnLine(new Tuple<double[], double[]>(start, end), cord);
// if (DistanceHelpers.DistanceBetweenCoordinates(projection, cord) < diff)
// {
// result.Add(f);
// }
//}
}
return(new LoadedData2()
{
StartFeature = FindClosetFeature(start,
cellToFeatures[startGridCell.Index].Features),
EndFeature = FindClosetFeature(end, cellToFeatures[endGridCell.Index].Features),
AllFeatures = polygonPoints.Length == 0 ? result.ToArray() : result.Where(x => DistanceHelpers.IsInside(x.Data.Coordinates.First().ToDoubleArray(), polygonPoints) || DistanceHelpers.IsInside(x.Data.Coordinates.Last().ToDoubleArray(), polygonPoints)).ToArray()
});
}
