椭球面上任意梯形面积计算附代码

（1）图幅理论面积与图斑椭球面积计算 （2）图幅理论面积计算公式 （3）椭球面上任意梯形面积计算公式 （4）高斯投影反解变换

using System;
using System.Collections.Generic;
using System.Text;

namespace AT21_EllipseAreaApplication
{
    public class ATPolygon
    {
        public int FID;
        public double TBMJ;
        public double MyArea;
        public double Difference;
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件       2487  2011-10-10 11:52  AT21_EllipseAreaApplication\AT21_EllipseAreaApplication\App.config

     文件       5600  2011-10-08 15:16  AT21_EllipseAreaApplication\AT21_EllipseAreaApplication\AT21_EllipseAreaApplication.csproj

     文件        279  2011-10-09 10:15  AT21_EllipseAreaApplication\AT21_EllipseAreaApplication\ATPolygon.cs

     文件      65536  2011-07-18 09:51  AT21_EllipseAreaApplication\AT21_EllipseAreaApplication\bin\Debug\AT21GIS.FunLibrary.dll

     文件      28672  2011-10-10 13:17  AT21_EllipseAreaApplication\AT21_EllipseAreaApplication\bin\Debug\AT21_EllipseAreaApplication.exe

     文件       2487  2011-10-10 11:52  AT21_EllipseAreaApplication\AT21_EllipseAreaApplication\bin\Debug\AT21_EllipseAreaApplication.exe.config

     文件      20480  2011-10-10 13:17  AT21_EllipseAreaApplication\AT21_EllipseAreaApplication\bin\Debug\EllipseAreaLibrary.dll

     文件      24576  2011-10-10 13:16  AT21_EllipseAreaApplication\AT21_EllipseAreaApplication\bin\Debug\GaussCalculateLibrary.dll

     文件     270336  2011-07-18 09:51  AT21_EllipseAreaApplication\AT21_EllipseAreaApplication\bin\Debug\log4net.dll

     文件        565  2011-10-08 15:07  AT21_EllipseAreaApplication\AT21_EllipseAreaApplication\Program.cs

     文件       1250  2011-10-08 14:03  AT21_EllipseAreaApplication\AT21_EllipseAreaApplication\Properties\AssemblyInfo.cs

     文件       2908  2011-10-08 14:03  AT21_EllipseAreaApplication\AT21_EllipseAreaApplication\Properties\Resources.Designer.cs

     文件       5612  2011-10-08 14:03  AT21_EllipseAreaApplication\AT21_EllipseAreaApplication\Properties\Resources.resx

     文件       1110  2011-10-08 14:03  AT21_EllipseAreaApplication\AT21_EllipseAreaApplication\Properties\Settings.Designer.cs

     文件        249  2011-10-08 14:03  AT21_EllipseAreaApplication\AT21_EllipseAreaApplication\Properties\Settings.settings

     文件       8467  2011-10-10 11:52  AT21_EllipseAreaApplication\AT21_EllipseAreaApplication\testForm.cs

     文件       7585  2011-10-10 11:52  AT21_EllipseAreaApplication\AT21_EllipseAreaApplication\testForm.Designer.cs

     文件       9604  2011-10-10 11:52  AT21_EllipseAreaApplication\AT21_EllipseAreaApplication\testForm.resx

     文件       1995  2011-10-09 10:14  AT21_EllipseAreaApplication\AT21_EllipseAreaApplication.sln

    ..A..H.     49152  2011-10-10 13:21  AT21_EllipseAreaApplication\AT21_EllipseAreaApplication.suo

     文件       8188  2011-10-10 13:13  AT21_EllipseAreaApplication\EllipseAreaLibrary\ATEllipseArea.cs

     文件       3613  2011-10-09 09:33  AT21_EllipseAreaApplication\EllipseAreaLibrary\EllipseAreaLibrary.csproj

     文件        286  2011-10-10 13:17  AT21_EllipseAreaApplication\EllipseAreaLibrary\obj\EllipseAreaLibrary.csproj.FileList.txt

     文件       1379  2011-10-08 14:05  AT21_EllipseAreaApplication\EllipseAreaLibrary\Properties\AssemblyInfo.cs

     文件       1121  2011-10-10 13:13  AT21_EllipseAreaApplication\GaussCalculateLibrary\CoordinateFactory.cs

     文件       2619  2011-10-09 09:20  AT21_EllipseAreaApplication\GaussCalculateLibrary\GaussCalculateLibrary.csproj

     文件      12061  2011-10-09 10:11  AT21_EllipseAreaApplication\GaussCalculateLibrary\GaussPrjbase.cs

     文件       2344  2011-10-10 13:13  AT21_EllipseAreaApplication\GaussCalculateLibrary\ICoordinate.cs

     文件       1385  2011-08-16 16:46  AT21_EllipseAreaApplication\GaussCalculateLibrary\Properties\AssemblyInfo.cs

     文件       1510  2011-10-10 11:55  AT21_EllipseAreaApplication\GaussCalculateLibrary\SphBeijing54.cs

............此处省略23个文件信息