public void Filter(ICoordinateSequence seq, int index)
{
/**
* This logic also handles skipping Point geometries
*/
if (index == 0)
{
return;
}
var p0 = seq.GetCoordinate(index - 1);
var p1 = seq.GetCoordinate(index);
double delx = (p1.X - p0.X) / _numSubSegs;
double dely = (p1.Y - p0.Y) / _numSubSegs;
for (int i = 0; i < _numSubSegs; i++)
{
double x = p0.X + i * delx;
double y = p0.Y + i * dely;
var pt = new Coordinate(x, y);
_minPtDist.Initialize();
DistanceToPoint.ComputeDistance(_geom, pt, _minPtDist);
_maxPtDist.SetMaximum(_minPtDist);
}
}
/// <inheritdoc cref="ICoordinateFilter.Filter"/>
public void Filter(Coordinate pt)
{
var minPtDist = new PointPairDistance();
DistanceToPoint.ComputeDistance(_geom, pt, minPtDist);
_maxPtDist.SetMaximum(minPtDist);
}
/// <summary>
/// Compares two linestrings.
/// </summary>
/// <param name="expected"></param>
/// <param name="actual"></param>
/// <param name="delta"></param>
public static void AreEqual(ILineString expected, ILineString actual, double delta)
{
var distance = new PointPairDistance();
foreach (Coordinate actualCoordinate in actual.Coordinates)
{
DistanceToPoint.ComputeDistance(expected, actualCoordinate, distance);
Assert.AreEqual(0.0, distance.Distance, delta);
}
foreach (Coordinate expectedCoordinate in expected.Coordinates)
{
DistanceToPoint.ComputeDistance(actual, expectedCoordinate, distance);
Assert.AreEqual(0.0, distance.Distance, delta);
}
}
void IEntireCoordinateSequenceFilter.Filter(CoordinateSequence seq)
{
/*
* This logic also handles skipping Point geometries
*/
for (int index = 1; index < seq.Count; index++)
{
var p0 = seq.GetCoordinate(index - 1);
var p1 = seq.GetCoordinate(index);
double delx = (p1.X - p0.X) / _numSubSegs;
double dely = (p1.Y - p0.Y) / _numSubSegs;
for (int i = 0; i < _numSubSegs; i++)
{
double x = p0.X + i * delx;
double y = p0.Y + i * dely;
var pt = new Coordinate(x, y);
var minPtDist = new PointPairDistance();
DistanceToPoint.ComputeDistance(_geom, pt, minPtDist);
_maxPtDist.SetMaximum(minPtDist);
}
}
}
public void Filter(Coordinate pt)
{
_minPtDist.Initialize();
DistanceToPoint.ComputeDistance(_geom, pt, _minPtDist);
_maxPtDist.SetMaximum(_minPtDist);
}
public static int CompareTo(DistanceToPoint lhs, DistanceToPoint rhs)
{
return(lhs.SqrDistance.CompareTo(rhs.SqrDistance));
}
