public int ReadDfsFile(string dfsFileName)
{
int rc;
DfsDLLWrapper.dfsFileRead(dfsFileName, out pHeader, out pFile);
m_fileName = dfsFileName;
compressed = (DfsDLLWrapper.dfsIsFileCompressed(pHeader));
if (compressed)
{
encodeKeySize = DfsDLLWrapper.dfsGetEncodeKeySize(pHeader);
if (encodeKeySize > 0)
{
compress_XKey = new int[encodeKeySize];
compress_YKey = new int[encodeKeySize];
compress_ZKey = new int[encodeKeySize];
DfsDLLWrapper.dfsGetEncodeKey(pHeader, compress_XKey, compress_YKey, compress_ZKey);
}
else
{
compressed = false;
}
}
// general info about file
dfsFileType = (FileType)DfsDLLWrapper.dfsGetFileType(pHeader);
DataType = DfsDLLWrapper.dfsGetDataType(pHeader);
//delete value
delVal = DfsDLLWrapper.dfsGetDeleteValFloat(pHeader);
//statisics type
statType = DfsDLLWrapper.dfsGetItemStatsType(pHeader);
//Custom blocks
DfsSimpleType iDataType = DfsSimpleType.Float;
int iMiscVarNos = 0;
IntPtr pData = pHeader;
IntPtr pNextBlock = pHeader;
IntPtr pBlock = pHeader;
pBlock = DfsDLLWrapper.dfsGetCustomBlockRef(pHeader);
if (pBlock.ToInt32() != 0)
{
DfsDLLWrapper.dfsGetCustomBlock(pBlock, out iDataType, out CustomBlockName, out iMiscVarNos, ref pData, out pNextBlock);
switch ((DfsSimpleType)iDataType)
{
case DfsSimpleType.Float:
custBlockDataFloat = new float[iMiscVarNos];
Marshal.Copy(pData, custBlockDataFloat, 0, custBlockDataFloat.Length); // copy data from pointer to array
break;
case DfsSimpleType.Int:
custBlockDataInt = new int[iMiscVarNos];
Marshal.Copy(pData, custBlockDataInt, 0, custBlockDataInt.Length); // copy data from pointer to array
break;
default:
throw new Exception("Unsupported CustomBlock data tyoe encountered (" + iDataType + ".");
}
if (CustomBlockName == "MIKE_FM")
{
//dfsu
if (custBlockDataInt.Length > 0)
{
dfsuCustBlock.NoNodesTot = custBlockDataInt[0];
}
if (custBlockDataInt.Length > 1)
{
dfsuCustBlock.NoElemTot = custBlockDataInt[1];
}
if (custBlockDataInt.Length > 2)
{
dfsuCustBlock.Dim = custBlockDataInt[2];
}
if (custBlockDataInt.Length > 3)
{
dfsuCustBlock.NoLayers = custBlockDataInt[3];
}
}
else if (CustomBlockName == "M21_Misc")
{
if (custBlockDataFloat.Length > 0)
{
m21CustBlock.ori = custBlockDataFloat[0]; //m_LITOrientation
}
if (custBlockDataFloat.Length > 1)
{
m21CustBlock.f1 = custBlockDataFloat[1];
}
if (custBlockDataFloat.Length > 2)
{
m21CustBlock.f2 = custBlockDataFloat[2];
}
if (custBlockDataFloat.Length > 3)
{
m21CustBlock.f3 = custBlockDataFloat[3]; //m_LandValue
}
if (custBlockDataFloat.Length > 4)
{
m21CustBlock.f4 = custBlockDataFloat[4];
}
if (custBlockDataFloat.Length > 5)
{
m21CustBlock.f5 = custBlockDataFloat[5];
}
if (custBlockDataFloat.Length > 6)
{
m21CustBlock.f6 = custBlockDataFloat[6]; //m_GISLITOrientation
}
}
}
//time axis
tAxisType = (TimeAxisType)DfsDLLWrapper.dfsGetTimeAxisType(pHeader);
switch (tAxisType)
{
case TimeAxisType.CalendarEquidistant:
DfsDLLWrapper.dfsGetEqCalendarAxis(pHeader, out tAxis_StartDateStr, out tAxis_StartTimeStr, out tAxis_EUMUnit, out tAxis_EUMUnitStr, out tAxis_dTStart, out tAxis_dTStep, out tAxis_nTSteps, out tAxis_indexTStart);
break;
case TimeAxisType.Undefined:
DfsDLLWrapper.dfsGetEqCalendarAxis(pHeader, out tAxis_StartDateStr, out tAxis_StartTimeStr, out tAxis_EUMUnit, out tAxis_EUMUnitStr, out tAxis_dTStart, out tAxis_dTStep, out tAxis_nTSteps, out tAxis_indexTStart);
break;
case TimeAxisType.CalendarNonEquidistant:
DfsDLLWrapper.dfsGetNeqCalendarAxis(pHeader, out tAxis_StartDateStr, out tAxis_StartTimeStr, out tAxis_EUMUnit, out tAxis_EUMUnitStr, out tAxis_dTStart, out tAxis_dTStep, out tAxis_nTSteps, out tAxis_indexTStart);
break;
case TimeAxisType.TimeEquidistant:
DfsDLLWrapper.dfsGetEqTimeAxis(pHeader, out tAxis_EUMUnit, out tAxis_EUMUnitStr, out tAxis_dTStart, out tAxis_dTStep, out tAxis_nTSteps, out tAxis_indexTStart);
break;
case TimeAxisType.TimeNonEquidistant:
DfsDLLWrapper.dfsGetNeqTimeAxis(pHeader, out tAxis_EUMUnit, out tAxis_EUMUnitStr, out tAxis_dTStart, out tAxis_dTStep, out tAxis_nTSteps, out tAxis_indexTStart);
break;
default:
return(_err(tAxisType.ToString() + " not supported"));
}
//Projection
Projection_type = (ProjectionType)DfsDLLWrapper.dfsGetGeoInfoType(pHeader);
if (Projection_type == ProjectionType.Projection)
{
DfsDLLWrapper.dfsGetGeoInfoUTMProj(pHeader, out Projection, out Longitude, out Latitude, out Orientation);
}
//Dynamic Items
int ItemCount = DfsDLLWrapper.dfsGetNoOfItems(pHeader);
Items = new DfsItemInfo[ItemCount];
for (int i = 1; i < Items.Length + 1; i++)
{
Items[i - 1] = new DfsItemInfo();
Items[i - 1].fileInfoRef = this;
Items[i - 1].Read(i); // reads header
}
//Static Items
rc = 0;
int sItemNo = 0;
while (true)
{
sItemNo++;
try
{ DfsDLLWrapper.dfsFindItemStatic(pHeader, pFile, sItemNo); }
catch
{ break; }// no more static items
}
if (sItemNo > 0)
{
staticItems = new DfsItemInfo[sItemNo - 2];
for (int i = 0; i < staticItems.Length; i++)
{
staticItems[i] = new DfsItemInfo();
staticItems[i].fileInfoRef = this;
rc = staticItems[i].ReadStatic(i + 1); // read header
}
if (readStaticDataOnRead)
{
rc = ReadStaticData();
}
}
return(rc);
}