/// <summary>
/// Creates a new instance of the <see cref="GreatCircleSegment"/> struct with the given points defininf it.
/// </summary>
/// <param name="start">The start coordinate of the segment.</param>
/// <param name="end">The end coordinate of the segment.</param>
public GreatCircleSegment(SphereCoordinate start, SphereCoordinate end)
{
Start = start;
End = end;
BaseCircle = new GreatCircle(start, end);
Length = CalculateArcLength(start, end);
}
/// <summary>
/// Creates a new instance of the <see cref="GreatCircleSegment"/> struct with the given points defininf it.
/// </summary>
/// <param name="start">The start coordinate of the segment.</param>
/// <param name="end">The end coordinate of the segment.</param>
public GreatCircleSegment(SphereCoordinate start, SphereCoordinate end)
{
Start = start;
End = end;
BaseCircle = new GreatCircle(start, end);
Length = CalculateArcLength(start, end);
}
/// <summary>
/// Creates a new instance of the <see cref="GreatCircleSegment"/> struct with the given points defining it.
/// </summary>
/// <param name="baseCircle">The <see cref="GreatCircle"/> that this segment is part of.</param>
/// <param name="start">The start coordinate of the segment.</param>
/// <param name="end">The end coordinate of the segment.</param>
public GreatCircleSegment(GreatCircle baseCircle, SphereCoordinate start, SphereCoordinate end)
: this(start, end)
{
if (!baseCircle.IsOnCircle(start) || !baseCircle.IsOnCircle(end))
throw new ArgumentOutOfRangeException("Start and End have to be on the baseCircle.");
BaseCircle = baseCircle;
}
/// <summary>
/// Creates a new instance of the <see cref="GreatCircleSegment"/> struct with the given points defining it.
/// </summary>
/// <param name="baseCircle">The <see cref="GreatCircle"/> that this segment is part of.</param>
/// <param name="start">The start coordinate of the segment.</param>
/// <param name="end">The end coordinate of the segment.</param>
public GreatCircleSegment(GreatCircle baseCircle, SphereCoordinate start, SphereCoordinate end)
: this(start, end)
{
if (!baseCircle.IsOnCircle(start) || !baseCircle.IsOnCircle(end))
{
throw new ArgumentOutOfRangeException("Start and End have to be on the baseCircle.");
}
BaseCircle = baseCircle;
}
/// <summary>
/// Checks whether the given <see cref="GreatCircle"/> intersects with this one.
/// One point of intersection can then be found in the out-Parameter, the other is the antipodal point to it.
/// </summary>
/// <param name="other">The other <see cref="GreatCircle"/>.</param>
/// <param name="intersection">The point of intersection, if they intersect.</param>
/// <returns>Whether the two <see cref="GreatCircle"/>s intersect or not.</returns>
public bool Intersects(GreatCircle other, out CartesianVector intersection)
{
// http://www.boeing-727.com/Data/fly%20odds/distance.html
intersection = default(CartesianVector);
if (this == other)
{
return(false);
}
intersection = DefinitionVector.CrossProduct(other.DefinitionVector).AsUnitVector;
return(true);
}
/// <summary>
/// Creates a new instance of the <see cref="VoronoiCell"/> class with the given center and sides.
/// </summary>
/// <param name="center">The point used as center for Voronoi calculations. Assumed to be inside.</param>
/// <param name="firstPart">The <see cref="GreatCircle"/> that makes the first part of the Polygon.</param>
public VoronoiCell(SphereCoordinate center, GreatCircle firstPart)
{
Center = center;
FirstPart = firstPart;
}
/// <summary>
/// Checks whether the given <see cref="GreatCircle"/> intersects with this one.
/// One point of intersection can then be found in the out-Parameter, the other is the antipodal point to it.
/// </summary>
/// <param name="other">The other <see cref="GreatCircle"/>.</param>
/// <param name="intersection">The point of intersection, if they intersect.</param>
/// <returns>Whether the two <see cref="GreatCircle"/>s intersect or not.</returns>
public bool Intersects(GreatCircle other, out CartesianVector intersection)
{
// http://www.boeing-727.com/Data/fly%20odds/distance.html
intersection = default(CartesianVector);
if (this == other)
return false;
intersection = DefinitionVector.CrossProduct(other.DefinitionVector).AsUnitVector;
return true;
}
