// 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.Globalization;
namespace GeoAPI.CoordinateSystems{
/// <summary>
/// A named projection parameter value.
/// </summary>
/// <remarks>
/// The linear units of parameters' values match the linear units of the containing
/// projected coordinate system. The angular units of parameter values match the
/// angular units of the geographic coordinate system that the projected coordinate
/// system is based on. (Notice that this is different from <see cref="Parameter"/>,
/// where the units are always meters and degrees.)
/// </remarks>
public class ProjectionParameter
{
/// <summary>
/// Initializes an instance of a ProjectionParameter
/// </summary>
/// <param name="name">Name of parameter</param>
/// <param name="value">Parameter value</param>
public ProjectionParameter(string name, double value)
{
_Name = name;
_Value = value;
}
private string _Name;
/// <summary>
/// Parameter name.
/// </summary>
public string Name
{
get { return _Name; }
set { _Name = value; }
}
private double _Value;
/// <summary>
/// Parameter value.
/// The linear units of a parameters' values match the linear units of the containing
/// projected coordinate system. The angular units of parameter values match the
/// angular units of the geographic coordinate system that the projected coordinate
/// system is based on.
/// </summary>
public double Value
{
get { return _Value; }
set { _Value = value; }
}
/// <summary>
/// Returns the Well-known text for this object
/// as defined in the simple features specification.
/// </summary>
public string WKT
{
get
{
return String.Format(CultureInfo.InvariantCulture.NumberFormat, "PARAMETER[\"{0}\", {1}]", Name, Value);
}
}
/// <summary>
/// Gets an XML representation of this object
/// </summary>
public string XML
{
get
{
return String.Format(CultureInfo.InvariantCulture.NumberFormat, "<CS_ProjectionParameter Name=\"{0}\" Value=\"{1}\"/>", Name, Value);
}
}
}
}
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