private CoordinateType targetCoordinateType; // 目标坐标类型
/// <summary>
/// 构造函数
/// </summary>
/// <param name="transformationParameters"></param>
public SevenParamsTransformationService(TransformationParameters transformationParameters)
{
// 参数检查
if (transformationParameters == null)
{
throw new ArgumentNullException("转换参数为空");
}
if (transformationParameters.SevenParams == null)
{
throw new ArgumentNullException("七参数为空");
}
if (transformationParameters.SourceEllipsoid == null)
{
throw new ArgumentNullException("源椭球为空");
}
if (transformationParameters.TargetEllipsoid == null)
{
throw new ArgumentNullException("目标椭球为空");
}
// 局部变量赋值
this.sevenParams = transformationParameters.SevenParams;
this.sourceEllipsoid = transformationParameters.SourceEllipsoid;
this.targetEllipsoid = transformationParameters.TargetEllipsoid;
this.sourceCenterMeridian = transformationParameters.SourceCenterMeridian;
this.targetCenterMeridian = transformationParameters.TargetCenterMeridian;
this.sourceCoordinateType = transformationParameters.SourceCoordinateType;
this.targetCoordinateType = transformationParameters.TargetCoordinateType;
}
/// <summary>
/// 参数反转
/// </summary>
/// <returns></returns>
public SevenParameters Reverse()
{
SevenParameters result = new SevenParameters();
result.XaxisRotateRadian = -this.XaxisRotateRadian;
result.YaxisRotateRadian = -this.YaxisRotateRadian;
result.ZaxisRotateRadian = -this.ZaxisRotateRadian;
result.XaxisDeviation = -this.XaxisDeviation;
result.YaxisDeviation = -this.YaxisDeviation;
result.ZaxisDeviation = -this.ZaxisDeviation;
result.ScaleParameter = -this.ScaleParameter;
return(result);
}
private CoordinateType targetCT; // 目标坐标类型
/// <summary>
/// 构造函数
/// </summary>
/// <param name="parameters">转换参数</param>
public CoordinateTransform(ConversionParameters parameters)
{
if (parameters == null || parameters.ConversionSevenParams == null)
{
throw new Exception("转换参数或转换七参数为空");
}
this.sevenParams = parameters.ConversionSevenParams;
this.sourceCS = parameters.SourceCoordinateSystem;
this.targetCS = parameters.TargetCoordinateSystem;
this.sourceMeridian = parameters.SourceCenterMeridian;
this.targetMeridian = parameters.TargetCenterMeridian;
this.sourceCT = parameters.SourceCoordinateType;
this.targetCT = parameters.TargetCoordinateType;
}
private double m; // 尺度参数
/// <summary>
/// 构造函数
/// </summary>
/// <param name="parameters">七参数</param>
public BursaWolfTransform(SevenParameters parameters)
{
if (parameters == null)
{
throw new Exception("转换七参数为空");
}
this.rx = parameters.XaxisRotateRadian;
this.ry = parameters.YaxisRotateRadian;
this.rz = parameters.ZaxisRotateRadian;
this.dx = parameters.XaxisDeviation;
this.dy = parameters.YaxisDeviation;
this.dz = parameters.ZaxisDeviation;
this.m = parameters.ScaleParameter;
}
