/// <inheritdoc cref="Geometry.CopyInternal"/>>
protected override IGeometry CopyInternal()
{
var points = _points.Copy();
return(new LineString(points, Factory));
}
/// <summary>
/// Shifts the positions of the coordinates until the coordinate at <code>firstCoordinateIndex</code>
/// is first.
/// </summary>
/// <param name="seq">The coordinate sequence to rearrange</param>
/// <param name="indexOfFirstCoordinate">The index of the coordinate to make first</param>
/// <param name="ensureRing">Makes sure that <paramref name="seq"/> will be a closed ring upon exit</param>
public static void Scroll(ICoordinateSequence seq, int indexOfFirstCoordinate, bool ensureRing)
{
int i = indexOfFirstCoordinate;
if (i <= 0)
{
return;
}
// make a copy of the sequence
var copy = seq.Copy();
// test if ring, determine last index
int last = ensureRing ? seq.Count - 1 : seq.Count;
// fill in values
for (int j = 0; j < last; j++)
{
for (int k = 0; k < seq.Dimension; k++)
{
seq.SetOrdinate(j, (Ordinate)k, copy.GetOrdinate((indexOfFirstCoordinate + j) % last, (Ordinate)k));
}
}
// Fix the ring (first == last)
if (ensureRing)
{
for (int k = 0; k < seq.Dimension; k++)
{
seq.SetOrdinate(last, (Ordinate)k, seq.GetOrdinate(0, (Ordinate)k));
}
}
}
/// <summary>
/// Transforms a coordinate sequence. The input coordinate sequence remains unchanged.
/// </summary>
/// <param name="coordinateSequence">The coordinate sequence to transform.</param>
/// <returns>The transformed coordinate sequence.</returns>
public ICoordinateSequence Transform(ICoordinateSequence coordinateSequence)
{
var c = (ICoordinateSequence)coordinateSequence.Copy();
for (int i = 0; i < c.Count; i++)
{
_affineTransformation.Transform(c, i);
}
return(c);
}
public ICoordinateSequence Transform(ICoordinateSequence coordinateSequence)
{
var res = coordinateSequence.Copy();
for (int i = 0; i < coordinateSequence.Count; i++)
{
double[] pt = Transform(new [] { coordinateSequence.GetX(i), coordinateSequence.GetY(i) });
res.SetOrdinate(i, Ordinate.X, pt[0]);
res.SetOrdinate(i, Ordinate.Y, pt[1]);
}
return(res);
}
/// <summary>
/// Convenience method which provides a standard way of copying <see cref="ICoordinateSequence"/>s.
/// </summary>
/// <param name="seq">The sequence to copy.</param>
/// <returns>A deep copy of the sequence.</returns>
protected virtual ICoordinateSequence Copy(ICoordinateSequence seq)
{
return(seq.Copy());
}
/// <summary>
/// Creates and returns a full copy of this <see cref="IPoint"/> object.
/// (including all coordinates contained by it).
/// </summary>
/// <returns>A copy of this instance</returns>
public override IGeometry Copy()
{
var coordinates = _coordinates.Copy();
return(new Point(coordinates, Factory));
}
/// <summary>
/// Creates and returns a full copy of this <see cref="ILineString"/> object.
/// (including all coordinates contained by it).
/// </summary>
/// <returns>A copy of this instance</returns>
public override IGeometry Copy()
{
var points = _points.Copy();
return(new LineString(points, Factory));
}