AxisOrientationEnum.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
- {
- /// <summary>
- /// Orientation of axis. Some coordinate systems use non-standard orientations.
- /// For example, the first axis in South African grids usually points West,
- /// instead of East. This information is obviously relevant for algorithms
- /// converting South African grid coordinates into Lat/Long.
- /// </summary>
- public enum AxisOrientationEnum : short
- {
- /// <summary>
- /// Unknown or unspecified axis orientation. This can be used for local or fitted coordinate systems.
- /// </summary>
- Other = 0,
- /// <summary>
- /// Increasing ordinates values go North. This is usually used for Grid Y coordinates and Latitude.
- /// </summary>
- North = 1,
- /// <summary>
- /// Increasing ordinates values go South. This is rarely used.
- /// </summary>
- South = 2,
- /// <summary>
- /// Increasing ordinates values go East. This is rarely used.
- /// </summary>
- East = 3,
- /// <summary>
- /// Increasing ordinates values go West. This is usually used for Grid X coordinates and Longitude.
- /// </summary>
- West = 4,
- /// <summary>
- /// Increasing ordinates values go up. This is used for vertical coordinate systems.
- /// </summary>
- Up = 5,
- /// <summary>
- /// Increasing ordinates values go down. This is used for vertical coordinate systems.
- /// </summary>
- Down = 6
- }
- }