internal Item(IntPtr ItemPointer, DFSBase DFS, int Number)
{
ItemNumber = Number;
_dfs = DFS;
int item_type = 0;
int data_type = 0;
int value_type = 0;
IntPtr name = new IntPtr();
IntPtr Eum = new IntPtr();
this.ItemPointer = ItemPointer;
DfsDLLAccess.dfsGetItemInfo_(ItemPointer, out item_type, ref name, ref Eum, out data_type);
DfsDLLAccess.dfsGetItemValueType(ItemPointer, out value_type);
NumberOfElements =(int) DfsDLLAccess.dfsGetItemElements(ItemPointer);
DataType = (DfsSimpleType)data_type;
valueType = (DataValueType)value_type;
_name = (Marshal.PtrToStringAnsi(name));
eumUnitString = Marshal.PtrToStringAnsi(Eum);
if(item_type!=0)
_eumitem = (eumItem)item_type;
}
internal Item(IntPtr ItemPointer, DFSBase DFS, int Number)
{
ItemNumber = Number;
_dfs = DFS;
int item_type = 0;
int data_type = 0;
int value_type = 0;
IntPtr name = new IntPtr();
IntPtr Eum = new IntPtr();
this.ItemPointer = ItemPointer;
DfsDLLAccess.dfsGetItemInfo_(ItemPointer, out item_type, ref name, ref Eum, out data_type);
DfsDLLAccess.dfsGetItemValueType(ItemPointer, out value_type);
NumberOfElements = (int)DfsDLLAccess.dfsGetItemElements(ItemPointer);
valueType = (DataValueType)value_type;
_name = (Marshal.PtrToStringAnsi(name));
eumUnitString = Marshal.PtrToStringAnsi(Eum);
if (item_type != 0)
{
_eumitem = (eumItem)item_type;
}
}
public int Read(IntPtr pItem)
{
int eumT = 0, eumU = 0;
DfsSimpleType dataT = DfsSimpleType.Int;
DfsDLLWrapper.dfsGetItemInfo(pItem, out eumT, out EUMTypeString, out Name, out eumU, out EUMUnitString, out dataT);
EUMType = (eumItem)eumT;
EUMUnit = (eumUnit)eumU;
dataType = (DfsSimpleType)dataT;
//if (dataType != UfsSimpleType.UFS_FLOAT)return err("Only float dataType supported.");
dim = DfsDLLWrapper.dfsGetItemDim(pItem);
dataValType = DfsDLLWrapper.dfsGetItemValueType(pItem);
sAxisType = (SpaceAxisType)DfsDLLWrapper.dfsGetItemAxisType(pItem);
switch (sAxisType)
{
case SpaceAxisType.EqD0:
DfsDLLWrapper.dfsGetItemAxisEqD0(pItem, out eumU, out axisEUMUnitString);
nPointsX = 1;
break;
case SpaceAxisType.EqD1:
DfsDLLWrapper.dfsGetItemAxisEqD1(pItem, out eumU, out axisEUMUnitString, out m_nPointsX, out XMinLimit, out DX);
break;
case SpaceAxisType.EqD2:
DfsDLLWrapper.dfsGetItemAxisEqD2(pItem, out eumU, out axisEUMUnitString, out m_nPointsX, out m_nPointsY, out XMinLimit, out YMinLimit, out DX, out DY);
break;
case SpaceAxisType.EqD3:
DfsDLLWrapper.dfsGetItemAxisEqD3(pItem, out eumU, out axisEUMUnitString, out m_nPointsX, out m_nPointsY, out m_nPointsZ, out XMinLimit, out YMinLimit, out ZMinLimit, out DX, out DY, out DZ);
break;
default:
return(_err("Unsupported space axis " + sAxisType.ToString()));
}
axisEUMUnit = (eumUnit)eumU;
return(0);
}
/// <summary> Extract EUM quantity from NetCDF item </summary>
private eumQuantity GetQuantityFromItem(Variable item)
{
eumItem eumitem = eumItem.eumIItemUndefined;
eumUnit eumunit = eumUnit.eumUUnitUndefined;
switch (item.Name)
{
case "Mean sea-level pressure": eumitem = eumItem.eumIPressure; break;
case "10 metre U wind component": eumitem = eumItem.eumIWindVelocity; break;
case "10 metre V wind component": eumitem = eumItem.eumIWindVelocity; break;
}
switch (item.Unit.ToLower())
{
case "m s**-1": eumunit = eumUnit.eumUmeterPerSec; break;
case "pa": eumunit = eumUnit.eumUPascal; break;
}
return(new eumQuantity(eumitem, eumunit));
}
