投影转换

/// <summary>
/// 定义单位与投影转换类
/// </summary>
public class UnitAndPrjConvert
{
/// <summary>
/// 米转换成为度
/// </summary>
/// <param name="Meter"></param>
/// <returns></returns>
public static double CovertMeterToDegree(double Meter)
{
double intDegree = -1;
try
{
intDegree = Meter * 0.000011634222179609;
}
catch (Exception ee)
{
intDegree = 0;
}
return intDegree;
}

/// <summary>
/// 度转换为米
/// </summary>
/// <param name="Meter"></param>
/// <returns></returns>
public static double CovertDegreeToMeter(double Degree)
{
double intMeter = 0;
try
{
intMeter = Degree / 0.000011634222179609;
}
catch (Exception ee)
{
intMeter = 0;
}
return intMeter;
}

/// <summary>
/// 转换面积
/// </summary>
/// <param name="pPolygon"></param>
/// <returns></returns>
public static double CovertArea(IPolygon pPolygon, SpatialInfoType pSpatialInfoType, int pDaiHao, DaiHaoType pDHType)
{
if (pPolygon == null) return 0;
ForeStar.GIS.SpatialReference.CoordinateCreateParams coordinateCreateParams = new ForeStar.GIS.SpatialReference.CoordinateCreateParams();
coordinateCreateParams.DaiHao = pDaiHao;
coordinateCreateParams.DaiHaoType = pDHType;
//coordinateCreateParams.SpatialInfoType = ForeStar.GIS.SpatialReference.SpatialInfoType.SpatialInfo80;
coordinateCreateParams.SpatialInfoType = pSpatialInfoType;
coordinateCreateParams.Name = "test";
coordinateCreateParams.AddDiaHao = true;
coordinateCreateParams.CoordianteType = ForeStar.GIS.SpatialReference.CoordianteType.ProjectCoordiante;
ICoordinateSystem project = ForeStar.GISUI.Utils.SpatialReferenceUtils.GetSelectSpatialReference(coordinateCreateParams);
pPolygon.Project(project);

double area = pPolygon.GetArea();
//area = Math.Round(area / 10000*15, 2);
area = Math.Round(area / 10000 * 15, 1);//TODO YCL
return area;
}
/// <summary>
/// 转换线长度
/// </summary>
/// <param name="pLine"></param>
/// <returns></returns>
public static double ConvertLength(IPolyline pLine, SpatialInfoType pSpatialInfoType, int pDaiHao, DaiHaoType pDHType)
{
if (pLine == null) return 0;
ForeStar.GIS.SpatialReference.CoordinateCreateParams coordinateCreateParams = new ForeStar.GIS.SpatialReference.CoordinateCreateParams();
coordinateCreateParams.DaiHao = pDaiHao;
coordinateCreateParams.DaiHaoType = pDHType;
coordinateCreateParams.SpatialInfoType = pSpatialInfoType;
coordinateCreateParams.Name = "test";
coordinateCreateParams.AddDiaHao = true;
coordinateCreateParams.CoordianteType = ForeStar.GIS.SpatialReference.CoordianteType.ProjectCoordiante;
ICoordinateSystem project = ForeStar.GISUI.Utils.SpatialReferenceUtils.GetSelectSpatialReference(coordinateCreateParams);
pLine.Project(project);

double dLength = pLine.Lenght;
dLength = Math.Round(dLength, 4);
if (dLength == null) return 0;
return dLength;
}
/// <summary>
/// 点坐标转换
/// </summary>
/// <param name="pPolygon"></param>
/// <returns></returns>
public static void CovertPointZB(ref IPoint pPoint, SpatialInfoType pSpatialInfoType, int pDaiHao, DaiHaoType pDHType)
{
ForeStar.GIS.SpatialReference.CoordinateCreateParams coordinateCreateParams = new ForeStar.GIS.SpatialReference.CoordinateCreateParams();
coordinateCreateParams.DaiHao = pDaiHao;
coordinateCreateParams.DaiHaoType = pDHType;
coordinateCreateParams.SpatialInfoType = pSpatialInfoType;
coordinateCreateParams.Name = "PointConvert";
coordinateCreateParams.AddDiaHao = true;
coordinateCreateParams.CoordianteType = ForeStar.GIS.SpatialReference.CoordianteType.ProjectCoordiante;
ICoordinateSystem project = ForeStar.GISUI.Utils.SpatialReferenceUtils.GetSelectSpatialReference(coordinateCreateParams);
pPoint.Project(project);
}
public static void ConvertPointZB2(ref IPoint pPoint, int iDaiHao, SpatialInfoType pSpatialInfoType, DaiHaoType pDHType)
{
ForeStar.GIS.SpatialReference.CoordinateCreateParams coordinateCreateParams = new ForeStar.GIS.SpatialReference.CoordinateCreateParams();
coordinateCreateParams.DaiHao = iDaiHao;
coordinateCreateParams.DaiHaoType = pDHType;
coordinateCreateParams.SpatialInfoType = pSpatialInfoType;
coordinateCreateParams.Name = "PointConvert";
coordinateCreateParams.AddDiaHao = true;
coordinateCreateParams.CoordianteType = ForeStar.GIS.SpatialReference.CoordianteType.ProjectCoordiante;
ICoordinateSystem project = ForeStar.GISUI.Utils.SpatialReferenceUtils.GetSelectSpatialReference(coordinateCreateParams);
pPoint.Project(project);
}
public static void ConvertGeometryZB(ref IGeometry geometry, int iDaiHao, SpatialInfoType pSpatialInfoType, DaiHaoType pDHType)
{
if (geometry == null) return;
ForeStar.GIS.SpatialReference.CoordinateCreateParams coordinateCreateParams = new ForeStar.GIS.SpatialReference.CoordinateCreateParams();
coordinateCreateParams.DaiHao = iDaiHao;
coordinateCreateParams.DaiHaoType = pDHType;
coordinateCreateParams.SpatialInfoType = pSpatialInfoType;
coordinateCreateParams.Name = "GeometryConvert";
coordinateCreateParams.AddDiaHao = false;
coordinateCreateParams.CoordianteType = ForeStar.GIS.SpatialReference.CoordianteType.ProjectCoordiante;
ICoordinateSystem project = ForeStar.GISUI.Utils.SpatialReferenceUtils.GetSelectSpatialReference(coordinateCreateParams);
geometry.Project(project);
}
/// <summary>
/// 获取米转度参数
/// </summary>
/// <param name="X">横坐标转换参数</param>
/// <param name="Y">纵坐标转换参数</param>
/// <param name="RateX"></param>
/// <param name="RateY"></param>
/// <returns></returns>
public static bool MeterToDegreeRate(double X, double Y, out double RateX, out double RateY, SpatialInfoType pSpatialInfoType, DaiHaoType pDHType)
{
try
{

ForeStar.GIS.SpatialReference.CoordinateCreateParams coordinateCreateParams1 = new ForeStar.GIS.SpatialReference.CoordinateCreateParams();
coordinateCreateParams1.SpatialInfoType = pSpatialInfoType;
coordinateCreateParams1.Name = "PointConvert";
coordinateCreateParams1.CoordianteType = ForeStar.GIS.SpatialReference.CoordianteType.GeoCoordinate;
ICoordinateSystem project1 = ForeStar.GISUI.Utils.SpatialReferenceUtils.GetSelectSpatialReference(coordinateCreateParams1);
int iDaiHao = MapSpatialReferenceUtils.GetDaihao(X, false);

IPoint Point1 = new PointClass();
Point1.X = X;
Point1.Y = Y;
Point1.CoordinateSystem = project1;
ConvertPointZB2(ref Point1, iDaiHao, pSpatialInfoType, pDHType);
//IPoint Point2 = new PointClass();
Point1.X = Point1.X + 10;
Point1.Y = Point1.Y + 10;
//Point2.CoordinateSystem = project2;
//CommonClass.ConvertPointZB3(ref Point2, iDaiHao);
ConvertPointZB3(ref Point1, iDaiHao, pSpatialInfoType, pDHType);
RateX = (Point1.X - X) / 10;
RateY = (Point1.Y - Y) / 10;

return true;
}
catch (Exception e)
{
LogManage.WriteLog("平面坐标到经纬度坐标转换失败" + e.Message);
RateX = 0.000011634222179609;
RateY = 0.000011634222179609;
return false;
}

}

/// <summary>
/// 动态投影度转米比例
/// </summary>
/// <param name="X"></param>
/// <param name="Y"></param>
/// <param name="RateX"></param>
/// <param name="RateY"></param>
/// <returns></returns>
public static bool DegreerToMetreRate(double X, double Y, out double RateX, out double RateY, SpatialInfoType pSpatialInfoType, DaiHaoType pDHType)
{
try
{

ForeStar.GIS.SpatialReference.CoordinateCreateParams coordinateCreateParams1 = new ForeStar.GIS.SpatialReference.CoordinateCreateParams();
coordinateCreateParams1.SpatialInfoType = pSpatialInfoType;
coordinateCreateParams1.Name = "PointConvert";
coordinateCreateParams1.CoordianteType = ForeStar.GIS.SpatialReference.CoordianteType.GeoCoordinate;
ICoordinateSystem project1 = ForeStar.GISUI.Utils.SpatialReferenceUtils.GetSelectSpatialReference(coordinateCreateParams1);
int iDaiHao = MapSpatialReferenceUtils.GetDaihao(X, false);

IPoint Point1 = new PointClass();
Point1.X = X;
Point1.Y = Y;
Point1.CoordinateSystem = project1;
ConvertPointZB2(ref Point1, iDaiHao, pSpatialInfoType, pDHType);
//IPoint Point2 = new PointClass();
Point1.X = Point1.X + 10;
Point1.Y = Point1.Y + 10;
//Point2.CoordinateSystem = project2;
//CommonClass.ConvertPointZB3(ref Point2, iDaiHao);
ConvertPointZB3(ref Point1, iDaiHao, pSpatialInfoType, pDHType);
RateX = 10 / (Point1.X - X);
RateY = 10 / (Point1.Y - Y);

return true;
}
catch (Exception e)
{
LogManage.WriteLog("经纬度坐标到地理坐标转换失败" + e.Message);
RateX = 1 / 0.000011634222179609;
RateY = 1 / 0.000011634222179609;
return false;
}
}
/// <summary>
/// 平面坐标到经纬度转换
/// </summary>
/// <param name="pPoint"></param>
/// <param name="iDaiHao"></param>
public static void ConvertPointZB3(ref IPoint pPoint, int iDaiHao, SpatialInfoType pSpatialInfoType, DaiHaoType pDHType)
{
if (pPoint == null) return;
ForeStar.GIS.SpatialReference.CoordinateCreateParams coordinateCreateParams = new ForeStar.GIS.SpatialReference.CoordinateCreateParams();
coordinateCreateParams.DaiHao = iDaiHao;
coordinateCreateParams.DaiHaoType = pDHType;
coordinateCreateParams.SpatialInfoType = pSpatialInfoType;
coordinateCreateParams.Name = "PointConvert";
coordinateCreateParams.AddDiaHao = true;
coordinateCreateParams.CoordianteType = ForeStar.GIS.SpatialReference.CoordianteType.GeoCoordinate;
ICoordinateSystem project = ForeStar.GISUI.Utils.SpatialReferenceUtils.GetSelectSpatialReference(coordinateCreateParams);
pPoint.Project(project);
}
/// <summary>
/// 经纬度到平面
/// </summary>
/// <param name="geometry"></param>
/// <param name="DaiHao"></param>
/// <param name="addDaiHao"></param>
public static void ConvertGeometryZB(ref IGeometry geometry, int DaiHao, bool addDaiHao, SpatialInfoType pSpatialInfoType, DaiHaoType pDHType)
{
if (geometry == null) return;
ForeStar.GIS.SpatialReference.CoordinateCreateParams coordinateCreateParams = new ForeStar.GIS.SpatialReference.CoordinateCreateParams();
coordinateCreateParams.DaiHao = DaiHao;
coordinateCreateParams.DaiHaoType = pDHType;
coordinateCreateParams.SpatialInfoType = pSpatialInfoType;
coordinateCreateParams.Name = "ProjectConvert";
coordinateCreateParams.AddDiaHao = addDaiHao;
coordinateCreateParams.CoordianteType = ForeStar.GIS.SpatialReference.CoordianteType.ProjectCoordiante;
ICoordinateSystem project = ForeStar.GISUI.Utils.SpatialReferenceUtils.GetSelectSpatialReference(coordinateCreateParams);
geometry.Project(project);
}
}