DomainFlags.cs
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- // 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
- using System;
- using System.Collections.Generic;
- using System.Text;
- namespace SharpMap.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
- }
- }