public FeatureCacheController(TopologyMap map)
{
var polyFeatures = new List <Feature>();
var lineFeatures = new List <Feature>();
Debug.WriteLine("Generating FeatureObject");
var sw = Stopwatch.StartNew();
for (var i = 0; i < map.Arcs.Length; i++)
{
lineFeatures.Add(new Feature(map, i));
}
Debug.WriteLine("LineFeature: " + sw.ElapsedMilliseconds + "ms");
LineFeatures = lineFeatures.ToArray();
sw.Restart();
foreach (var i in map.Polygons)
{
polyFeatures.Add(new Feature(map, LineFeatures, i));
}
Debug.WriteLine("PolyFeature: " + sw.ElapsedMilliseconds + "ms");
polyFeatures.AddRange(LineFeatures);
Features = polyFeatures.ToArray();
}
public static Location[] ToLocations(this IntVector[] points, TopologyMap map)
{
var result = new Location[points.Length];
double x = 0;
double y = 0;
for (var i = 0; i < result.Length; i++)
{
result[i] = new Location((float)((x += points[i].X) * map.Scale.X + map.Translate.X), (float)((y += points[i].Y) * map.Scale.Y + map.Translate.Y));
}
return(result);
}
public Feature(TopologyMap map, int index)
{
Type = map.Arcs[index].IsCoastline ? FeatureType.Coastline : FeatureType.AdminBoundary; //map.Polygons.Count(p => p.Arcs.Any(i => (i < 0 ? Math.Abs(i) - 1 : i) == index)) > 1 ? FeatureType.AdminBoundary : FeatureType.Coastline;
Points = map.Arcs[index].Arc.ToLocations(map);
IsClosed =
Math.Abs(Points[0].Latitude - Points[^ 1].Latitude) < 0.001 &&