// Portions copyright 2005 - 2006: Morten Nielsen (www.iter.dk)

// Portions copyright 2006 - 2008: Rory Plaire (codekaizen@gmail.com)

//

// This file is part of SharpMap.

// SharpMap is free software; you can redistribute it and/or modify

// it under the terms of the GNU Lesser General Public License as published by

// the Free Software Foundation; either version 2 of the License, or

// (at your option) any later version.

//

// SharpMap is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

// GNU Lesser General Public License for more details.

// You should have received a copy of the GNU Lesser General Public License

// along with SharpMap; if not, write to the Free Software

// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

using System;

using GeoAPI.Geometries;

namespace SharpMap.SimpleGeometries

{

/// <summary>

/// A MultiCurve is a one-dimensional GeometryCollection whose elements are Curves

/// </summary>

public abstract class MultiCurve<TCurve> : GeometryCollection<TCurve>

where TCurve : Curve

{

/// <summary>

/// Initializes an instance of a MultiLineString

/// </summary>

protected MultiCurve() { }

protected MultiCurve(Int32 initialCapacity)

: base(initialCapacity) { }

/// <summary>

/// The inherent dimension of this Geometry object,

/// which must be less than or equal to the coordinate dimension.

/// </summary>

public override Dimensions Dimension

{

get { return Dimensions.Curve; }

}

/// <summary>

/// Returns true if this MultiCurve is closed.

/// </summary>

/// <remarks>

/// A closed multi-curve is one where

/// <see cref="Curve.StartPoint"/>.Equals(<see cref="Curve.EndPoint"/>)

/// is true for each curve in the collection.

/// </remarks>

public Boolean IsClosed

{

get

{

foreach (TCurve curve in this)

{

if(!curve.IsClosed)

{

return false;

}

}

return true;

}

}

/// <summary>

/// The Length of this MultiCurve which is equal

/// to the sum of the lengths of the element Curves.

/// </summary>

public Double Length

{

get

{

Double length = 0.0;

foreach (TCurve curve in this)

{

length += curve.Length;

}

return length;

}

}

}

}