public static GeoCircle CreateFromRegionPolygon(GeoPolygon polygon)
{
GeoPoint centroid = polygon.Centroid;
List <Double> distances = new List <Double>();
foreach (GeoPoint point in polygon.Points)
{
distances.Add(EarthGeo.GetDistance(centroid, point));
}
return(new GeoCircle(centroid, distances.Average()));
}
public GeoPolygon ToGeoPolygon(int sides = 16)
{
GeoPointList points = new GeoPointList();
Double angleSize = (360 / (Double)sides);
for (Double degrees = 0; degrees < 360; degrees += angleSize)
{
points.Add(EarthGeo.GetPoint(_center, Radius, degrees));
}
GeoPolygon polygon = new GeoPolygon(points);
return(polygon);
}
public override bool Intersects(GeoPolygon polygon)
{
bool result = false;
foreach (GeoLine line in polygon.Lines)
{
if (this.Contains(line.P1 as GeoPoint) ||
this.Contains(line.P2 as GeoPoint) ||
this.Intersects(line))
{
result = true;
break;
}
}
return(result);
}
public bool Equals(GeoPolygon other)
{
bool result = false;
if (Lines.Count == other.Lines.Count)
{
result = true;
for (int x = 0; x < Lines.Count; x++)
{
if (Lines[x].Equals(other.Lines[x]) == false)
{
result = false;
break;
}
}
}
return(result);
}
public bool Intersects(GeoPolygon polygon, out GeoPoint closestIntersection)
{
closestIntersection = null;
Double closestDistance = Double.MaxValue;
foreach (GeoLine line in polygon.Lines)
{
GeoPoint intersection;
if (this.Intersects(line, out intersection))
{
Double distance = ClosestDistanceFrom(intersection);
if (distance < closestDistance)
{
closestDistance = distance;
closestIntersection = intersection;
}
}
}
return(closestIntersection != null);
}
public GeoPolygon(GeoPolygon other)
: this(new GeoPointList(other.GeoPoints))
{
}
public virtual bool Intersects(GeoPolygon polygon)
{
throw new NotImplementedException();
}
