// Copyright 2005, 2006 - Morten Nielsen (www.iter.dk)
//
// 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
namespace GeoAPI.CoordinateSystems.Transformations{
/// <summary>
/// Flags indicating parts of domain covered by a convex hull.
/// </summary>
/// <remarks>
/// These flags can be combined. For example, the value 3
/// corresponds to a combination of <see cref="Inside"/> and <see cref="Outside"/>,
/// which means that some parts of the convex hull are inside the
/// domain, and some parts of the convex hull are outside the domain.
/// </remarks>
public enum DomainFlags : int
{
/// <summary>
/// At least one point in a convex hull is inside the transform's domain.
/// </summary>
Inside = 1,
/// <summary>
/// At least one point in a convex hull is outside the transform's domain.
/// </summary>
Outside = 2,
/// <summary>
/// At least one point in a convex hull is not transformed continuously.
/// </summary>
/// <remarks>
/// As an example, consider a "Longitude_Rotation" transform which adjusts
/// longitude coordinates to take account of a change in Prime Meridian. If
/// the rotation is 5 degrees east, then the point (Lat=175,Lon=0) is not
/// transformed continuously, since it is on the meridian line which will
/// be split at +180/-180 degrees.
/// </remarks>
Discontinuous = 4
}
}
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