/// <summary>
/// Returns the path value of the specified parameter.
/// </summary>
/// <param name="parameter">The parameter.</param>
/// <returns>The path value of the parameter.</returns>
protected String GetParameterPathValue(CoordinateOperationParameter parameter)
{
if (!this.parameters.ContainsKey(parameter))
{
return(null);
}
if (this.parameters[parameter] is String)
{
return(this.parameters[parameter] as String);
}
return(null);
}
/// <summary>
/// Sets the specified parameter value.
/// </summary>
/// <param name="parameter">The coordinate operation parameter.</param>
/// <param name="value">The value.</param>
protected void SetParameterValue(CoordinateOperationParameter parameter, Object value)
{
if (parameter == null)
{
return;
}
if (value == null && this.parameters.ContainsKey(parameter))
{
this.parameters.Remove(parameter);
}
this.parameters[parameter] = value;
}
/// <summary>
/// Returns the value of the specified parameter.
/// </summary>
/// <param name="parameter">The parameter.</param>
/// <returns>The value of the parameter.</returns>
protected Double GetParameterValue(CoordinateOperationParameter parameter)
{
if (!this.parameters.ContainsKey(parameter))
{
return(0);
}
if (this.parameters[parameter] is Angle)
{
return(((Angle)this.parameters[parameter]).Value);
}
if (this.parameters[parameter] is Length)
{
return(((Length)this.parameters[parameter]).Value);
}
if (this.parameters[parameter] is IConvertible)
{
return(Convert.ToDouble(this.parameters[parameter]));
}
return(Double.NaN);
}
