|
public static DistanceSquared ( |
||
| p1 | ||
| p2 | ||
| return | double | |
public ISpatialCollection <T> getNeighborsInSphere(T item, double r)
{
double rSquared = r * r;
// ISpatialCollection<T> neighbors = new SpatialCollectionAsBinLattice<T>();
IPosition position = (IPosition)item;
LinkedList <T> possibleNeighbors = getBin(item);
ISpatialCollection <T> neighbors = new SpatialCollectionAsList <T>();
foreach (T other in possibleNeighbors)
{
// DK: changed this:
// IPosition otherPosition = (IPosition)other;
// double d = position.getPoint3d().DistanceTo(otherPosition.getPoint3d());
// if (d < r && !Object.ReferenceEquals(item, other))
// {
// neighbors.Add(other);
// }
// to this:
if (!Object.ReferenceEquals(item, other))
{
Point3d p1 = position.getPoint3d();
Point3d p2 = ((IPosition)other).getPoint3d();
if (Point.DistanceSquared(p1, p2) < rSquared)
{
neighbors.Add(other);
}
}
}
return(neighbors);
}
public ISpatialCollection <T> getNeighborsInSphere(T item, double r)
{
double rSquared = r * r;
// ISpatialCollection<T> neighbors = new SpatialCollectionAsBinLattice3<T>();
IPosition position = (IPosition)item;
//LinkedList<T> possibleNeighbors = getBin(item);
List <T> possibleNeighbors = getBins(item, r);
ISpatialCollection <T> neighbors = new SpatialCollectionAsList <T>();
foreach (T other in possibleNeighbors)
{
if (!Object.ReferenceEquals(item, other))
{
Point3d p1 = position.getPoint3d();
Point3d p2 = ((IPosition)other).getPoint3d();
if (Point.DistanceSquared(p1, p2) < rSquared)
{
neighbors.Add(other);
}
}
}
return(neighbors);
}
