/// <summary> /// /// </summary> /// <param name="origin"></param> /// <param name="shape"></param> /// <returns></returns> protected override Array ReadData(int[] origin, int[] shape) { if (origin == null) { origin = new int[Rank]; } if (shape == null) { shape = ReadShape(); for (int i = 0; i < shape.Length; i++) { shape[i] -= origin[i]; } } if (Rank == 0) { shape = new int[] { 1 } } ; // the place for data // Total number of elements in the array int n = 1; for (int i = 0; i < shape.Length; i++) { n *= shape[i]; } int res; switch (Type.GetTypeCode(TypeOfData)) { case TypeCode.Boolean: if (n == 0) { return(Array.CreateInstance(typeof(bool), Rank == 0 ? new int[1] : new int[Rank])); } byte[] blData = new byte[n]; res = NetCDF.nc_get_vara_ubyte(NcId, varid, ConvertToIntPtr(origin), ConvertToIntPtr(shape), blData); NetCDFDataSet.HandleResult(res); return(ToMultidimArrayBool(blData, shape)); case TypeCode.DateTime: double[] dtData = new double[n]; if (n == 0) { return(Array.CreateInstance(typeof(DateTime), Rank == 0 ? new int[1] : new int[Rank])); } res = NetCDF.nc_get_vara_double(NcId, varid, ConvertToIntPtr(origin), ConvertToIntPtr(shape), dtData); NetCDFDataSet.HandleResult(res); return(ToMultidimArrayDateTime(dtData, shape)); case TypeCode.Double: double[] data = new double[n]; if (n == 0) { return(Array.CreateInstance(typeof(double), Rank == 0 ? new int[1] : new int[Rank])); } res = NetCDF.nc_get_vara_double(NcId, varid, ConvertToIntPtr(origin), ConvertToIntPtr(shape), data); NetCDFDataSet.HandleResult(res); return(ToMultidimArray(data, shape)); case TypeCode.Single: float[] fdata = new float[n]; if (n == 0) { return(Array.CreateInstance(typeof(float), Rank == 0 ? new int[1] : new int[Rank])); } res = NetCDF.nc_get_vara_float(NcId, varid, ConvertToIntPtr(origin), ConvertToIntPtr(shape), fdata); NetCDFDataSet.HandleResult(res); return(ToMultidimArray(fdata, shape)); case TypeCode.Int64: long[] ldata = new long[n]; if (n == 0) { return(Array.CreateInstance(typeof(long), Rank == 0 ? new int[1] : new int[Rank])); } res = NetCDF.nc_get_vara_longlong(NcId, varid, ConvertToIntPtr(origin), ConvertToIntPtr(shape), ldata); NetCDFDataSet.HandleResult(res); return(ToMultidimArray(ldata, shape)); case TypeCode.UInt64: ulong[] uldata = new ulong[n]; if (n == 0) { return(Array.CreateInstance(typeof(ulong), Rank == 0 ? new int[1] : new int[Rank])); } res = NetCDF.nc_get_vara_ulonglong(NcId, varid, ConvertToIntPtr(origin), ConvertToIntPtr(shape), uldata); NetCDFDataSet.HandleResult(res); return(ToMultidimArray(uldata, shape)); case TypeCode.Int32: int[] idata = new int[n]; if (n == 0) { return(Array.CreateInstance(typeof(int), Rank == 0 ? new int[1] : new int[Rank])); } res = NetCDF.nc_get_vara_int(NcId, varid, ConvertToIntPtr(origin), ConvertToIntPtr(shape), idata); NetCDFDataSet.HandleResult(res); return(ToMultidimArray(idata, shape)); case TypeCode.UInt32: uint[] uidata = new uint[n]; if (n == 0) { return(Array.CreateInstance(typeof(uint), Rank == 0 ? new int[1] : new int[Rank])); } res = NetCDF.nc_get_vara_uint(NcId, varid, ConvertToIntPtr(origin), ConvertToIntPtr(shape), uidata); NetCDFDataSet.HandleResult(res); return(ToMultidimArray(uidata, shape)); case TypeCode.Int16: short[] sdata = new short[n]; if (n == 0) { return(Array.CreateInstance(typeof(short), Rank == 0 ? new int[1] : new int[Rank])); } res = NetCDF.nc_get_vara_short(NcId, varid, ConvertToIntPtr(origin), ConvertToIntPtr(shape), sdata); NetCDFDataSet.HandleResult(res); return(ToMultidimArray(sdata, shape)); case TypeCode.UInt16: ushort[] usdata = new ushort[n]; if (n == 0) { return(Array.CreateInstance(typeof(ushort), Rank == 0 ? new int[1] : new int[Rank])); } res = NetCDF.nc_get_vara_ushort(NcId, varid, ConvertToIntPtr(origin), ConvertToIntPtr(shape), usdata); NetCDFDataSet.HandleResult(res); return(ToMultidimArray(usdata, shape)); case TypeCode.Byte: byte[] bdata = new byte[n]; if (n == 0) { return(Array.CreateInstance(typeof(byte), Rank == 0 ? new int[1] : new int[Rank])); } if (isNcChar) { res = NetCDF.nc_get_vara_text(NcId, varid, ConvertToIntPtr(origin), ConvertToIntPtr(shape), bdata); } else { res = NetCDF.nc_get_vara_ubyte(NcId, varid, ConvertToIntPtr(origin), ConvertToIntPtr(shape), bdata); } NetCDFDataSet.HandleResult(res); return(ToMultidimArray(bdata, shape)); case TypeCode.SByte: SByte[] cdata = new SByte[n]; if (n == 0) { return(Array.CreateInstance(typeof(SByte), Rank == 0 ? new int[1] : new int[Rank])); } res = NetCDF.nc_get_vara_schar(NcId, varid, ConvertToIntPtr(origin), ConvertToIntPtr(shape), cdata); /*if (res == -56) * res = NetCDF.nc_get_vara_text(NcId, varid, ConvertToIntPtr(origin), ConvertToIntPtr(shape), cdata);*/ NetCDFDataSet.HandleResult(res); return(ToMultidimArray(cdata, shape)); case TypeCode.String: if (n == 0) { return(Array.CreateInstance(typeof(string), Rank == 0 ? new int[1] : new int[Rank])); } string[] strings = new string[n]; res = NetCDF.nc_get_vara_string(NcId, varid, ConvertToIntPtr(origin), ConvertToIntPtr(shape), strings); NetCDFDataSet.HandleResult(res); return(ToMultidimArrayString(strings, shape)); default: throw new NotSupportedException("Unsupported type of data."); } }