/// <summary>
/// Returns the distance between this geometry instance and another geometry, as
/// measured in the spatial reference system of this instance.
/// </summary>
/// <param name="geom"></param>
/// <returns></returns>
public override double Distance(Geometry geom)
{
if (geom.GetType() == typeof(Point3D))
{
Point3D p = geom as Point3D;
return(Math.Sqrt(Math.Pow(X - p.X, 2) + Math.Pow(Y - p.Y, 2) + Math.Pow(Z - p.Z, 2)));
}
return(base.Distance(geom));
}
/// <summary>
/// Returns the distance between this geometry instance and another geometry, as
/// measured in the spatial reference system of this instance.
/// </summary>
/// <param name="geom"></param>
/// <returns></returns>
public override double Distance(Geometry geom)
{
if (geom.GetType() == typeof(Point))
{
var p = geom as Point;
return(Math.Sqrt(Math.Pow(X - p.X, 2) + Math.Pow(Y - p.Y, 2)));
}
throw new Exception("The method or operation is not implemented for this geometry type.");
}
/// <summary>
/// Returns the distance between this geometry instance and another geometry, as
/// measured in the spatial reference system of this instance.
/// </summary>
/// <param name="geom"></param>
/// <returns></returns>
public override double Distance(Geometry geom)
{
if (geom.GetType() == typeof(SharpMap.Geometries.Point3D))
{
Point3D p = geom as Point3D;
return(Math.Sqrt(Math.Pow(this.X - p.X, 2) + Math.Pow(this.Y - p.Y, 2) + Math.Pow(this.Z - p.Z, 2)));
}
else
{
return(base.Distance(geom));
}
}
/// <summary>
/// Returns the distance between this geometry instance and another geometry, as
/// measured in the spatial reference system of this instance.
/// </summary>
/// <param name="geom"></param>
/// <returns></returns>
public override double Distance(Geometry geom)
{
if (geom.GetType() == typeof(SharpMap.Geometries.Point))
{
Point p = geom as Point;
return(Math.Sqrt(Math.Pow(this.X - p.X, 2) + Math.Pow(this.Y - p.Y, 2)));
}
else
{
throw new Exception("The method or operation is not implemented for this geometry type.");
}
}
/// <summary>
/// Returns true if otherGeometry is of the same type and defines the same point set as the source geometry.
/// </summary>
/// <param name="g1">source geometry</param>
/// <param name="g2">other Geometry</param>
/// <returns></returns>
public static bool Equals(Geometry g1, Geometry g2)
{
if (g1 == null && g2 == null)
{
return(true);
}
if (g1 == null || g2 == null)
{
return(false);
}
if (g1.GetType() != g2.GetType())
{
return(false);
}
if (g1 is Point)
{
return((g1 as Point).Equals(g2 as Point));
}
else if (g1 is LineString)
{
return((g1 as LineString).Equals(g2 as LineString));
}
else if (g1 is Polygon)
{
return((g1 as Polygon).Equals(g2 as Polygon));
}
else if (g1 is MultiPoint)
{
return((g1 as MultiPoint).Equals(g2 as MultiPoint));
}
else if (g1 is MultiLineString)
{
return((g1 as MultiLineString).Equals(g2 as MultiLineString));
}
else if (g1 is MultiPolygon)
{
return((g1 as MultiPolygon).Equals(g2 as MultiPolygon));
}
else
{
throw new ArgumentException("The method or operation is not implemented on this geometry type.");
}
}