高斯计算，高斯正算，高斯反算

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using ESRI.ArcGIS.Geometry;

namespace ArcGISPublic.GaussHelper
{
public static class GCalculator
{
public static IPoint GaussToJW(IPoint point)
{
Gausstojw a1 = new Gausstojw();

a1.X = point.X;

a1.Y = point.Y;

a1.Zone = 18;
IPoint p = new PointClass();

p.X = a1.Longitude;
p.Y = a1.Lantitude;
return p;
}

public static IPoint JWToGauss(IPoint point)
{
JWtoGauss jwToGauss = new JWtoGauss();
jwToGauss._EX = point.X;
jwToGauss._NY = point.Y;
IPoint p = new PointClass();
p.X = jwToGauss.X;
p.Y = jwToGauss.Y;
p.Z = point.Z;
return p;
}
}
}