C#读取NC数据

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
using System.Reflection;
using System.Reflection.Emit;

namespace NC
{
     ////下面是导入netcdf.dll  需要哪些函数可导入哪些，但是要注意函数的参数
    public static class NetCDFInterop
    {

        [DllImport("netcdf.dll", CallingConvention = CallingConvention.Cdecl)]
        public static extern int nc_open(string path, CreateMode omode, out int ncidp);
        [DllImport("netcdf.dll", CallingConvention = CallingConvention.Cdecl)]
        public static extern int nc_close(int ncidp);
        [DllImport("netcdf.dll", CallingConvention = CallingConvention.Cdecl)]
        public static extern int nc_inq_varid(int ncid, string nvars, out int varid);
        [DllImport("netcdf.dll", CallingConvention = CallingConvention.Cdecl)]
        public static extern int nc_get_var_float(int ncid, int varid,float [,] ip);
        [DllImport("netcdf.dll", CallingConvention = CallingConvention.Cdecl)]
        public static extern int nc_inq(int ncid, out int ndims, out int nvars, out int ngatts,out int unlimdimid);
        [DllImport("netcdf.dll", CallingConvention = CallingConvention.Cdecl)]
        public static extern int nc_inq_dim(int ncid, int dimid, string name, out int length);
        [DllImport("netcdf.dll", CallingConvention = CallingConvention.Cdecl)]
        public static extern int nc_inq_dimname(int ncid, int dimid, StringBuilder name);
        [DllImport("netcdf.dll", CallingConvention = CallingConvention.Cdecl)]
        public static extern int nc_inq_dimid(int ncid, string name, out int dimid);
        [DllImport("netcdf.dll", CallingConvention = CallingConvention.Cdecl)]
        public static extern int nc_inq_dimlen(int ncid, int dimid, out int length);
        [DllImport("netcdf.dll", CallingConvention = CallingConvention.Cdecl)]
        public static extern int nc_inq_ndims(int ncid, out int ndims);
        [DllImport("netcdf.dll", CallingConvention = CallingConvention.Cdecl)]
        public static extern int nc_inq_nvars(int ncid, out int nvars);
        [DllImport("netcdf.dll", CallingConvention = CallingConvention.Cdecl)]
        public static extern int nc_inq_varname(int ncid, int varid, StringBuilder name);
        [DllImport("netcdf.dll", CallingConvention = CallingConvention.Cdecl)]
        public static extern int nc_inq_varndims(int ncid, int varid, out int ndims);
        [DllImport("netcdf.dll", CallingConvention = CallingConvention.Cdecl)]
        public static extern int nc_inq_vardimid(int ncid, int varid, int[] dimids);
        [DllImport("netcdf.dll", CallingConvention = CallingConvention.Cdecl)]
        public static extern int nc_inq_var_fill(int ncid, int varid, out int no_fill, out object fill_value);

        public enum CreateMode : int
        {
            NC_NOWRITE = 0,
            /// read & write
            NC_WRITE = 0x0001,
            NC_CLOBBER = 0,
            /// Don't destroy existing file on create
            NC_NOCLOBBER = 0x0004,
            /// argument to ncsetfill to clear NC_NOFILL
            NC_FILL = 0,
            /// Don't fill data section an records
            NC_NOFILL = 0x0100,
            /// Use locking if available
            NC_LOCK = 0x0400,
            /// Share updates, limit cacheing
            NC_SHARE = 0x0800,
            NC_64BIT_OFFSET = 0x0200,
            /// Enforce strict netcdf-3 rules
            NC_CLASSIC = 0x0100,
            /// causes netCDF to create a HDF5/NetCDF-4 file
            NC_NETCDF4 = 0x1000
        }
    }
    class Program
    {
        ///
        /// author:hsh
        /// time:2013-05-29
        ///
        ///
        static void Main(string[] args)
        {
            int i;
            string path = @"K:vs2010codeNCNCecns.20130326.sst.nc";
            NetCDFInterop.nc_open(path, NetCDFInterop.CreateMode.NC_NOWRITE, out i);
            int ndims_in, nvars_in, ngatts_in, unlimdimid_in;
            NetCDFInterop.nc_inq(i, out ndims_in, out nvars_in, out ngatts_in, out unlimdimid_in);
            int lat_varid,lon_varid;
            NetCDFInterop.nc_inq_varid(i, "LAT1001_1051", out lat_varid);
            NetCDFInterop.nc_inq_varid(i, "LON1201_1251", out lon_varid);
            float[,] lats_in = new float[51,1];
            float[,] lons_in = new float[51,1];
            float[,] data = new float[51,51];
            NetCDFInterop.nc_get_var_float(i,lat_varid,lats_in);
            NetCDFInterop.nc_get_var_float(i, lon_varid, lons_in);
            Console.WriteLine("经度：");
            for (int j = 0; j < 51; j++)
            {
                Console.Write(lons_in[j, 0] + "  ");
            }
            Console.WriteLine();
            Console.WriteLine("纬度：");
            for (int j = 0; j < 51; j++)
            {
                Console.Write(lats_in[j,0]+"  ");
            }
            int temp_varid;
            NetCDFInterop.nc_inq_varid(i, "SST", out temp_varid);
            NetCDFInterop.nc_get_var_float(i, temp_varid, data);
            Console.WriteLine();
            Console.WriteLine("SST:");
            for (int j = 0; j < 51; j++)
            {
                for (int k = 0; k < 51; k++)
                {
                    Console.Write(data[j, k]+", ");
                }
            }
                Console.ReadKey();

        }
    }
}