/// <summary>
/// Join data files
/// </summary>
/// <param name="inFiles">input nc files</param>
/// <param name="outFile">joined output nc file</param>
/// <param name="timeDimStr">time dimension name string</param>
public static void JoinDataFiles_Time_bak1(List <string> inFiles, string outFile, string timeDimStr)
{
//Check number of selected files
int fNum = inFiles.Count;
if (fNum < 2)
{
MessageBox.Show("There should be at least two files!", "Error");
return;
}
//Open the first file
int i, j;
string aFile = inFiles[0];
NetCDFDataInfo aDataInfo = new NetCDFDataInfo();
aDataInfo.ReadDataInfo(aFile);
//Change time dimension as unlimit
for (i = 0; i < aDataInfo.Dimensions.Count; i++)
{
Dimension aDimS = aDataInfo.Dimensions[i];
if (aDimS.DimName == timeDimStr)
{
//aDimS.dimLen = -1;
//aDataInfo.dimList[i] = aDimS;
aDataInfo.unlimdimid = aDimS.DimId;
break;
}
}
for (i = 0; i < aDataInfo.nvars; i++)
{
if (Global.MIMath.IsNumeric(aDataInfo.Variables[i].Name.Substring(0, 1)))
{
aDataInfo.Variables[i].Name = 'V' + aDataInfo.Variables[i].Name;
}
}
int tDimid = 0;
NetCDF4.nc_inq_dimid(aDataInfo.ncid, timeDimStr, out tDimid);
object[] sttu = aDataInfo.GetStartTimeInfo();
DateTime sTime = (DateTime)sttu[0];
TimeUnit aTU = (TimeUnit)sttu[1];
//Create output nc file and write the data of the first file
aDataInfo.CreateNCFile(outFile);
//Write the data of first data file
NetCDFDataInfo bDataInfo = new NetCDFDataInfo();
bDataInfo.ReadDataInfo(inFiles[0]);
for (i = 0; i < bDataInfo.nvars; i++)
{
Variable aVarS = aDataInfo.Variables[i];
object[] varData = new object[1];
bDataInfo.GetVarData(aVarS, ref varData);
int[] start = new int[aVarS.DimNumber];
int[] count = new int[aVarS.DimNumber];
for (int v = 0; v < aVarS.DimNumber; v++)
{
start[v] = 0;
count[v] = bDataInfo.Dimensions[aVarS.Dimensions[v].DimId].DimLength;
}
aDataInfo.WriteVara(aVarS, start, count, varData);
}
//Join data
//Add data
for (i = 1; i < fNum; i++)
{
aFile = inFiles[i];
bDataInfo = new NetCDFDataInfo();
bDataInfo.ReadDataInfo(aFile);
int tDimNum = 1;
NetCDF4.nc_inq_dimlen(aDataInfo.ncid, tDimid, out tDimNum);
for (j = 0; j < bDataInfo.nvars; j++)
{
Variable aVarS = bDataInfo.Variables[j];
int vIdx = aDataInfo.VariableNames.IndexOf(aVarS.Name);
if (vIdx < 0)
{
continue;
}
if (aVarS.DimNumber > 1)
{
if (Array.IndexOf(aVarS.DimIds, tDimid) < 0)
{
continue;
}
object[] varData = new object[1];
bDataInfo.GetVarData(aVarS, ref varData);
int[] start = new int[aVarS.DimNumber];
int[] count = new int[aVarS.DimNumber];
for (int v = 0; v < aVarS.DimNumber; v++)
{
start[v] = 0;
count[v] = bDataInfo.Dimensions[aVarS.Dimensions[v].DimId].DimLength;
}
start[Array.IndexOf(aVarS.DimIds, tDimid)] = tDimNum;
bDataInfo.WriteVaraData(aDataInfo.ncid, aDataInfo.Variables[vIdx].VarId, aVarS.NCType, start, count, varData);
}
if (aVarS.Name == timeDimStr)
{
object[] varData = new object[1];
bDataInfo.GetVarData(aVarS, ref varData);
sttu = bDataInfo.GetStartTimeInfo();
DateTime nTime = (DateTime)sttu[0];
TimeUnit nTU = (TimeUnit)sttu[1];
if (DateTime.Compare(sTime, nTime) != 0)
{
double shift = 0.0;
switch (aTU)
{
case TimeUnit.Day:
shift = nTime.Subtract(sTime).TotalDays;
break;
case TimeUnit.Hour:
shift = nTime.Subtract(sTime).TotalHours;
break;
case TimeUnit.Minute:
shift = nTime.Subtract(sTime).TotalMinutes;
break;
case TimeUnit.Second:
shift = nTime.Subtract(sTime).TotalSeconds;
break;
}
for (int d = 0; d < varData.Length; d++)
{
varData[d] = (double)varData[d] + shift;
}
}
int[] start = new int[aVarS.DimNumber];
int[] count = new int[aVarS.DimNumber];
for (int v = 0; v < aVarS.DimNumber; v++)
{
start[v] = 0;
count[v] = bDataInfo.Dimensions[aVarS.Dimensions[v].DimId].DimLength;
}
start[Array.IndexOf(aVarS.DimIds, tDimid)] = tDimNum;
bDataInfo.WriteVaraData(aDataInfo.ncid, aDataInfo.Variables[vIdx].VarId, aVarS.NCType, start, count, varData);
}
}
}
//Close data file
aDataInfo.CloseNCFile();
}
