private async Task <List <ILineString> > ProlongLinesAccordingToOriginalGpx(List <ILineString> linesToProlong, List <ILineString> gpxItmLines)
{
var originalCoordinates = gpxItmLines.SelectMany(l => l.Coordinates).ToArray();
var prolongInputs = new List <GpxProlongerExecutorInput>();
var filteredOriginalCoordinates = new List <Coordinate>();
foreach (var coordinate in originalCoordinates)
{
if (linesToProlong.Any(l => l.Distance(new Point(coordinate)) < _options.MaxProlongLineLength))
{
filteredOriginalCoordinates.Add(coordinate);
if (!ReferenceEquals(coordinate, originalCoordinates.Last()))
{
continue;
}
}
var coordinates = filteredOriginalCoordinates.ToArray();
if (coordinates.Length < 2)
{
continue;
}
prolongInputs.Insert(0, new GpxProlongerExecutorInput
{
OriginalCoordinates = coordinates,
ExistingItmHighways = await GetExistingCloseLines(new List <ILineString> {
_geometryFactory.CreateLineString(coordinates)
}),
MinimalDistance = _options.MaxDistanceToExisitngLineForMerge,
MinimalAreaSize = _options.MinimalAreaSize
});
filteredOriginalCoordinates.Clear();
}
foreach (var input in prolongInputs)
{
input.LinesToProlong = linesToProlong;
linesToProlong = _gpxProlongerExecutor.Prolong(input);
}
return(linesToProlong);
}
public void Prolong_ClosingSelfLargeArea_ShouldProlong()
{
var lineToProlong = new LineString(new[]
{
new Coordinate(500, 0),
new Coordinate(600, 0),
new Coordinate(600, -10),
new Coordinate(600, -20),
new Coordinate(500, -20),
new Coordinate(400, -20),
new Coordinate(400, -10),
new Coordinate(400, 0),
new Coordinate(400, 10)
});
var originlaCoordinates = new[]
{
new Coordinate(0, 0),
new Coordinate(100, 0),
new Coordinate(200, 0),
new Coordinate(300, 0),
new Coordinate(401, 0),
new Coordinate(500, 0),
new Coordinate(600, 0),
new Coordinate(600, -10),
new Coordinate(600, -20),
new Coordinate(500, -20),
new Coordinate(400, -20),
new Coordinate(400, -10),
new Coordinate(400, 0),
new Coordinate(400, 10)
};
var existingLines = new List <LineString>();
var input = new GpxProlongerExecutorInput
{
LinesToProlong = new List <ILineString> {
lineToProlong
},
OriginalCoordinates = originlaCoordinates,
ExistingItmHighways = existingLines,
MinimalDistance = 2,
MinimalAreaSize = 1000
};
var results = _executor.Prolong(input);
Assert.AreEqual(1, results.Count);
Assert.AreEqual(lineToProlong.Coordinates.Last(), results.First().Coordinates.Last());
Assert.AreEqual(lineToProlong.Coordinates[7], results.First().Coordinates.First());
}
