public void Filter(ICoordinateSequence seq, int i)
{
double x = seq.GetX(i);
double y = seq.GetY(i);
if (_ctx.IsGeo() && _normalizeGeomCoords)
{
double xNorm = DistanceUtils.NormLonDEG(x);
if (x != xNorm)
{
changed = true;
seq.SetOrdinate(i, Ordinate.X, xNorm);
}
double yNorm = DistanceUtils.NormLatDEG(y);
if (y != yNorm)
{
changed = true;
seq.SetOrdinate(i, Ordinate.Y, yNorm);
}
}
else
{
_ctx.VerifyX(x);
_ctx.VerifyY(y);
}
}
/// <summary>
/// Reads a <see cref="GeoAPI.Geometries.Coordinate"/> from the current position.
/// It's akin to <see cref="WktShapeParser.State"/> but for
/// a NTS Coordinate. Only the first 2 numbers are parsed; any remaining are ignored.
/// </summary>
/// <param name="state"></param>
/// <returns></returns>
protected virtual Coordinate Coordinate(WktShapeParser.State state)
{
double x = m_ctx.NormX(state.NextDouble());
m_ctx.VerifyX(x);
double y = m_ctx.NormY(state.NextDouble());
m_ctx.VerifyY(y);
state.SkipNextDoubles();
return(new Coordinate(x, y));
}