ICoordinateSystemAuthorityFactory.cs
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上传日期:2013-11-09
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GIS编程
开发平台:
C#
- // 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>
- /// Creates spatial reference objects using codes.
- /// </summary>
- /// <remarks>
- /// The codes are maintained by an external authority. A commonly used authority is EPSG, which is also used in the GeoTIFF standard and in SharpMap.
- /// </remarks>
- public interface ICoordinateSystemAuthorityFactory
- {
- /// <summary>
- /// Returns the authority name for this factory (e.g., "EPSG" or "POSC").
- /// </summary>
- string Authority { get; }
- /// <summary>
- /// Returns a projected coordinate system object corresponding to the given code.
- /// </summary>
- /// <param name="code">The identification code.</param>
- /// <returns>The projected coordinate system object with the given code.</returns>
- IProjectedCoordinateSystem CreateProjectedCoordinateSystem(long code);
- /// <summary>
- /// Returns a geographic coordinate system object corresponding to the given code.
- /// </summary>
- /// <param name="code">The identification code.</param>
- /// <returns>The geographic coordinate system object with the given code.</returns>
- IGeographicCoordinateSystem CreateGeographicCoordinateSystem(long code);
- /// <summary>
- /// Returns a horizontal datum object corresponding to the given code.
- /// </summary>
- /// <param name="code">The identification code.</param>
- /// <returns>The horizontal datum object with the given code.</returns>
- IHorizontalDatum CreateHorizontalDatum(long code);
- /// <summary>
- /// Returns an ellipsoid object corresponding to the given code.
- /// </summary>
- /// <param name="code">The identification code.</param>
- /// <returns>The ellipsoid object with the given code.</returns>
- IEllipsoid CreateEllipsoid(long code);
- /// <summary>
- /// Returns a prime meridian object corresponding to the given code.
- /// </summary>
- /// <param name="code">The identification code.</param>
- /// <returns>The prime meridian object with the given code.</returns>
- IPrimeMeridian CreatePrimeMeridian(long code);
- /// <summary>
- /// Returns a linear unit object corresponding to the given code.
- /// </summary>
- /// <param name="code">The identification code.</param>
- /// <returns>The linear unit object with the given code.</returns>
- ILinearUnit CreateLinearUnit(long code);
- /// <summary>
- /// Returns an <see cref="IAngularUnit">angular unit</see> object corresponding to the given code.
- /// </summary>
- /// <param name="code">The identification code.</param>
- /// <returns>The angular unit object for the given code.</returns>
- IAngularUnit CreateAngularUnit(long code);
- /// <summary>
- /// Creates a <see cref="IVerticalDatum"/> from a code.
- /// </summary>
- /// <param name="code">Authority code</param>
- /// <returns>Vertical datum for the given code</returns>
- IVerticalDatum CreateVerticalDatum(long code);
- /// <summary>
- /// Create a <see cref="IVerticalCoordinateSystem">vertical coordinate system</see> from a code.
- /// </summary>
- /// <param name="code">Authority code</param>
- /// <returns></returns>
- IVerticalCoordinateSystem CreateVerticalCoordinateSystem(long code);
- /// <summary>
- /// Creates a 3D coordinate system from a code.
- /// </summary>
- /// <param name="code">Authority code</param>
- /// <returns>Compound coordinate system for the given code</returns>
- ICompoundCoordinateSystem CreateCompoundCoordinateSystem(long code);
- /// <summary>
- /// Creates a <see cref="IHorizontalCoordinateSystem">horizontal co-ordinate system</see> from a code.
- /// The horizontal coordinate system could be geographic or projected.
- /// </summary>
- /// <param name="code">Authority code</param>
- /// <returns>Horizontal coordinate system for the given code</returns>
- IHorizontalCoordinateSystem CreateHorizontalCoordinateSystem(long code);
- /// <summary>
- /// Gets a description of the object corresponding to a code.
- /// </summary>
- string DescriptionText { get; }
- /// <summary>
- /// Gets the Geoid code from a WKT name.
- /// </summary>
- /// <remarks>
- /// In the OGC definition of WKT horizontal datums, the geoid is referenced
- /// by a quoted string, which is used as a key value. This method converts
- /// the key value string into a code recognized by this authority.
- /// </remarks>
- /// <param name="wkt"></param>
- /// <returns></returns>
- string GeoidFromWktName(string wkt);
- /// <summary>
- /// Gets the WKT name of a Geoid.
- /// </summary>
- /// <remarks>
- /// In the OGC definition of WKT horizontal datums, the geoid is referenced by
- /// a quoted string, which is used as a key value. This method gets the OGC WKT
- /// key value from a geoid code.
- /// </remarks>
- /// <param name="geoid"></param>
- /// <returns></returns>
- string WktGeoidName(string geoid);
- }
- }