internal static NetCdfVariable <DataType> Read(NetCDFDataSet dataSet, int varid)
{
string name;
NcType ncType;
int[] dimIds;
int natts, res, ndims;
// Number of dimensions
res = NetCDF.nc_inq_varndims(dataSet.NcId, varid, out ndims);
NetCDFDataSet.HandleResult(res);
dimIds = new int[ndims];
// About variable
res = NetCDF.nc_inq_var(dataSet.NcId, varid, out name, out ncType, out ndims, dimIds, out natts);
NetCDFDataSet.HandleResult(res);
// Dimensions names
string[] dims = new string[ndims];
for (int i = 0; i < ndims; i++)
{
string dimName;
res = NetCDF.nc_inq_dimname(dataSet.NcId, dimIds[i], out dimName);
NetCDFDataSet.HandleResult(res);
dims[i] = dimName.ToString();
}
#if DEBUG
StringBuilder msg = new StringBuilder();
for (int i = 0; i < dims.Length; i++)
{
msg.Append(dims[i]);
if (i < dims.Length - 1)
{
msg.Append(',');
}
}
Debug.WriteLineIf(NetCDFDataSet.TraceNetCDFDataSet.TraceInfo, String.Format("Variable {0}: {1} dimensions ({2}), {3} attributes.",
name, ndims, msg.ToString(), natts));
#endif
var var = new NetCdfVariable <DataType>(dataSet, varid, name.ToString(), dims);
if (var.Rank > 0 && var.changes != null)
{
// Providing correct "proposed" shape taken from the input file
int[] shape = var.ReadShape();
if (shape == null)
{
shape = new int[dims.Length];
}
Rectangle ar = new Rectangle(new int[dims.Length], shape);
DataChanges oldch = var.changes;
DataChanges newch = new DataChanges(oldch.ChangeSet, oldch.InitialSchema, oldch.MetadataChanges,
oldch.CoordinateSystems,
shape, ar, oldch.Data);
var.changes = newch;
}
return(var);
}