WGS84ConversionInfo.cs
上传用户:sex100000
上传日期:2013-11-09
资源大小:1377k
文件大小:11k
- // 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;
- namespace SharpMap.CoordinateSystems
- {
- /// <summary>
- /// Parameters for a geographic transformation into WGS84. The Bursa Wolf parameters should be applied
- /// to geocentric coordinates, where the X axis points towards the Greenwich Prime Meridian, the Y axis
- /// points East, and the Z axis points North.
- /// </summary>
- /// <remarks>
- /// <para>These parameters can be used to approximate a transformation from the horizontal datum to the
- /// WGS84 datum using a Bursa Wolf transformation. However, it must be remembered that this transformation
- /// is only an approximation. For a given horizontal datum, different Bursa Wolf transformations can be
- /// used to minimize the errors over different regions.</para>
- /// <para>If the DATUM clause contains a TOWGS84 clause, then this should be its 損referred