private float ProcessLineString(List <Segment> segments, JsonElement.ArrayEnumerator coordinates, bool oneway)
{
float maxCoordinate = 0;
Vector3?lastOrNull = null;
foreach (var coordinate in coordinates)
{
Trace.Assert(coordinate.GetArrayLength() == 2);
var(lon, lat) = (coordinate[0].GetDouble(), coordinate[1].GetDouble()); // beware the order!!
// also see https://macwright.org/lonlat/
var vec = _coordinateSpace.To(lat, lon);
maxCoordinate = Math.Max(maxCoordinate, Math.Max(Math.Abs(vec.X), Math.Abs(vec.Y)));
if (lastOrNull is Vector3 last)
{
var segmentId = 1 + segments.Count;
var seg = new Segment(segmentId, SegmentType.Rail, last, vec, oneway: oneway);
segments.Add(seg);
}
lastOrNull = vec;
}
return(maxCoordinate);
}
public void TestSimulationCoordinateSpaceFromLatLon()
{
var space = new SimulationCoordinateSpace(50.083239, 14.435278);
var vector = space.To(50.1, 14.5);
Assert.Equal(4617.97265625, vector.X, 5);
Assert.Equal(1863.73815918, vector.Y, 5);
}