int DBObjTable::Read(FILE *file, int swap) {
DBInt id;
DBDate date;
DBCoordinate coord;
DBRegion region;
DBPosition pos;
DBUShort row, col;
DBObjRecord *record;
DBObjTableField *field;
if (DBObjectLIST<DBObjRecord>::Read(file, swap) != DBSuccess) return (DBFault);
if (FieldPTR->Read(file, swap) != DBSuccess) return (DBFault);
for (id = 0; id < FieldPTR->ItemNum(); ++id)
if (FieldPTR->ReadItem(file, id, swap) == DBFault) return (DBFault);
RecordLengthVAR = 0;
for (field = FieldPTR->First(); field != (DBObjTableField *) NULL; field = FieldPTR->Next())
RecordLengthVAR = RecordLengthVAR > field->StartByte() + field->Length() ?
RecordLengthVAR : field->StartByte() + field->Length();
for (id = 0; id < ItemNum(); ++id) {
if (ReadItem(file, id, swap) == DBFault) return (DBFault);
record = Item(id);
if (swap == false) continue;
for (field = FieldPTR->First(); field != (DBObjTableField *) NULL; field = FieldPTR->Next())
switch (field->Type()) {
case DBTableFieldInt:
case DBTableFieldFloat:
case DBTableFieldTableRec:
case DBTableFieldDataRec:
switch (field->Length()) {
case 2:
DBByteOrderSwapHalfWord((char *) record->Data() + field->StartByte());
break;
case 4:
DBByteOrderSwapWord((char *) record->Data() + field->StartByte());
break;
case 8:
DBByteOrderSwapLongWord((char *) record->Data() + field->StartByte());
break;
}
break;
case DBTableFieldDate:
date = field->Date(record);
date.Swap();
field->Date(record, date);
break;
case DBTableFieldCoord:
coord = field->Coordinate(record);
coord.Swap();
field->Coordinate(record, coord);
break;
case DBTableFieldRegion:
region = field->Region(record);
region.Swap();
field->Region(record, region);
break;
case DBTableFieldPosition:
pos = field->Position(record);
switch (field->Length()) {
case sizeof(DBPosition):
pos.Swap();
break;
default:
row = pos.Row;
col = pos.Col;
DBByteOrderSwapHalfWord(&row);
DBByteOrderSwapHalfWord(&col);
pos.Row = row;
pos.Col = col;
break;
}
field->Position(record, pos);
break;
default:
break;
}
}
if (MethodPTR->Read(file, swap) != DBSuccess) return (DBFault);
for (id = 0; id < MethodPTR->ItemNum(); ++id) if (MethodPTR->ReadItem(file, id, swap) == DBFault) return (DBFault);
return (DBSuccess);
}
DBInt DBGridCont2Network (DBObjData *gridData,DBObjData *netData, bool downhill)
{
DBInt basinID, layerID, zLayerID, zLayerNum, dir, maxDir, projection = gridData->Projection (), *zones;
DBFloat elev0, elev1, delta, maxDelta, distance;
DBCoordinate coord0, coord1;
DBInt row, col;
DBPosition pos, auxPos;
char nameSTR [DBStringLength];
DBObjTable *basinTable = netData->Table (DBrNItems);
DBObjTable *cellTable = netData->Table (DBrNCells);
DBObjTable *layerTable = netData->Table (DBrNLayers);
DBObjRecord *layerRec, *dataRec, *cellRec, *basinRec;
DBObjTableField *mouthPosFLD = basinTable->Field (DBrNMouthPos);
DBObjTableField *colorFLD = basinTable->Field (DBrNColor);
DBObjTableField *positionFLD = cellTable->Field (DBrNPosition);
DBObjTableField *toCellFLD = cellTable->Field (DBrNToCell);
DBObjTableField *fromCellFLD = cellTable->Field (DBrNFromCell);
DBObjTableField *orderFLD = cellTable->Field (DBrNOrder);
DBObjTableField *basinFLD = cellTable->Field (DBrNBasin);
DBObjTableField *basinCellsFLD= cellTable->Field (DBrNBasinCells);
DBObjTableField *travelFLD = cellTable->Field (DBrNTravel);
DBObjTableField *upCellPosFLD = cellTable->Field (DBrNUpCellPos);
DBObjTableField *cellAreaFLD = cellTable->Field (DBrNCellArea);
DBObjTableField *subbasinLengthFLD = cellTable->Field (DBrNSubbasinLength);
DBObjTableField *subbasinAreaFLD = cellTable->Field (DBrNSubbasinArea);
DBObjTableField *rowNumFLD = layerTable->Field (DBrNRowNum);
DBObjTableField *colNumFLD = layerTable->Field (DBrNColNum);
DBObjTableField *cellWidthFLD = layerTable->Field (DBrNCellWidth);
DBObjTableField *cellHeightFLD = layerTable->Field (DBrNCellHeight);
DBObjTableField *valueTypeFLD = layerTable->Field (DBrNValueType);
DBObjTableField *valueSizeFLD = layerTable->Field (DBrNValueSize);
DBObjTableField *layerFLD = layerTable->Field (DBrNLayer);
DBObjData *zGridData = gridData->LinkedData ();
DBGridIF *gridIF = new DBGridIF (gridData), *zGridIF;
DBNetworkIF *netIF;
if ((zGridData != (DBObjData *) NULL) && ((zGridData->Type () == DBTypeGridDiscrete) || (zGridData->Type () == DBTypeGridContinuous)))
{
zGridIF = new DBGridIF (zGridData);
zLayerNum = zGridIF->LayerNum () + 1;
}
else { zGridIF = (DBGridIF *) NULL; zLayerNum = 1; }
if ((zones = (DBInt *) calloc (9 * zLayerNum,sizeof (DBInt))) == (DBInt *) NULL)
{
CMmsgPrint (CMmsgSysError, "Memory Allocation Error in: %s %d",__FILE__,__LINE__);
if (zGridIF != (DBGridIF *) NULL) delete zGridIF;
delete gridIF;
return (DBFault);
}
layerTable->Add (DBrNLookupGrid);
if ((layerRec = layerTable->Item (DBrNLookupGrid)) == (DBObjRecord *) NULL)
{
free (zones);
if (zGridIF != (DBGridIF *) NULL) delete zGridIF;
delete gridIF;
return (DBFault);
}
netData->Projection (projection);
netData->Extent (gridData->Extent ());
cellWidthFLD->Float (layerRec,gridIF->CellWidth ());
cellHeightFLD->Float (layerRec,gridIF->CellHeight ());
valueTypeFLD->Int (layerRec,DBTableFieldInt);
valueSizeFLD->Int (layerRec,sizeof (DBInt));
rowNumFLD->Int (layerRec,gridIF->RowNum ());
colNumFLD->Int (layerRec,gridIF->ColNum ());
dataRec = new DBObjRecord ("NetLookupGridRecord",((size_t) gridIF->RowNum ()) * gridIF->ColNum () * sizeof (DBInt),sizeof (DBInt));
if (dataRec == (DBObjRecord *) NULL)
{
if (zGridIF != (DBGridIF *) NULL) delete zGridIF;
return (DBFault);
}
layerFLD->Record (layerRec,dataRec);
(netData->Arrays ())->Add (dataRec);
for (pos.Row = 0;pos.Row < gridIF->RowNum ();pos.Row++)
for (pos.Col = 0;pos.Col < gridIF->ColNum ();pos.Col++)
((DBInt *) dataRec->Data ()) [pos.Row * gridIF->ColNum () + pos.Col] = DBFault;
for (pos.Row = 0;pos.Row < gridIF->RowNum ();pos.Row++)
{
if (DBPause (10 * pos.Row / gridIF->RowNum ())) goto PauseStop;
for (pos.Col = 0;pos.Col < gridIF->ColNum ();pos.Col++)
{
gridIF->Pos2Coord (pos,coord0);
zLayerID = 0;
if (zGridIF != (DBGridIF *) NULL)
for ( ; zLayerID < zGridIF->LayerNum (); zLayerID++)
{
layerRec = zGridIF->Layer (zLayerID);
if ((layerRec->Flags () & DBObjectFlagIdle) == DBObjectFlagIdle) continue;
for (dir = 0;dir < 8;++dir)
{
row = pos.Row;
col = pos.Col;
if (((0x01 << dir) == DBNetDirNW) || ((0x01 << dir) == DBNetDirN) || ((0x01 << dir) == DBNetDirNE)) row++;
if (((0x01 << dir) == DBNetDirSE) || ((0x01 << dir) == DBNetDirS) || ((0x01 << dir) == DBNetDirSW)) row--;
if (((0x01 << dir) == DBNetDirNE) || ((0x01 << dir) == DBNetDirE) || ((0x01 << dir) == DBNetDirSE)) col++;
if (((0x01 << dir) == DBNetDirNW) || ((0x01 << dir) == DBNetDirW) || ((0x01 << dir) == DBNetDirSW)) col--;
if (row < 0) continue;
if (col < 0) continue;
if (row >= gridIF->RowNum ()) continue;
if (col >= gridIF->ColNum ()) continue;
auxPos.Row = row;
auxPos.Col = col;
gridIF->Pos2Coord (auxPos,coord1);
switch (zGridData->Type ())
{
case DBTypeGridDiscrete: basinID = zGridIF->GridValue (layerRec,coord1); break;
case DBTypeGridContinuous: zGridIF->Value (layerRec,coord1,&basinID); break;
}
zones [zLayerID * 9 + dir] = basinID;
}
switch (zGridData->Type ())
{
case DBTypeGridDiscrete: basinID = zGridIF->GridValue (layerRec,coord0); break;
case DBTypeGridContinuous: zGridIF->Value (layerRec,coord0,&basinID); break;
}
zones [zLayerID * 9 + 8] = basinID;
}
for (dir = 0;dir < 9;++dir) zones [zLayerID * 9 + dir] = 0;
maxDir = DBFault;
for (layerID = 0;layerID < gridIF->LayerNum ();++layerID)
{
layerRec = gridIF->Layer (layerID);
if ((layerRec->Flags () & DBObjectFlagIdle) == DBObjectFlagIdle) continue;
if (gridIF->Value (layerRec,pos,&elev0))
{
maxDelta = (DBFloat) 0.0;
maxDir = 0;
for (zLayerID = 0;zLayerID < zLayerNum;++zLayerID)
{
for (dir = 0;dir < 8;++dir)
{
row = pos.Row;
col = pos.Col;
if (((0x01 << dir) == DBNetDirNW) || ((0x01 << dir) == DBNetDirN) || ((0x01 << dir) == DBNetDirNE)) row++;
if (((0x01 << dir) == DBNetDirSE) || ((0x01 << dir) == DBNetDirS) || ((0x01 << dir) == DBNetDirSW)) row--;
if (((0x01 << dir) == DBNetDirNE) || ((0x01 << dir) == DBNetDirE) || ((0x01 << dir) == DBNetDirSE)) col++;
if (((0x01 << dir) == DBNetDirNW) || ((0x01 << dir) == DBNetDirW) || ((0x01 << dir) == DBNetDirSW)) col--;
if (col < 0) continue;
if (row < 0) continue;
if (col >= gridIF->ColNum ()) continue;
if (row >= gridIF->RowNum ()) continue;
auxPos.Row = row;
auxPos.Col = col;
gridIF->Pos2Coord (auxPos,coord1);
distance = DBMathCoordinateDistance (projection,coord0,coord1);
if ((zones [zLayerID * 9 + dir] == zones [zLayerID * 9 + 8]) && (gridIF->Value (layerRec,auxPos,&elev1)))
{
delta = (downhill ? (elev1 - elev0) : (elev0 - elev1)) / distance;
if (maxDelta > delta) { maxDelta = delta; maxDir = (0x01 << dir); }
}
}
if (maxDir != 0) goto SlopeStop;
}
}
}
SlopeStop:
if (maxDir != DBFault)
{
sprintf (nameSTR,"GHAASCell:%d",cellTable->ItemNum ());
cellRec = cellTable->Add (nameSTR);
positionFLD->Position(cellRec,pos);
toCellFLD->Int (cellRec,(DBInt) maxDir);
fromCellFLD->Int (cellRec,(DBInt) 0);
orderFLD->Int (cellRec,(DBInt) 0);
basinFLD->Int (cellRec,(DBInt) 0);
basinCellsFLD->Int (cellRec,(DBInt) 0);
travelFLD->Int (cellRec,(DBInt) 0);
upCellPosFLD->Position (cellRec,pos);
cellAreaFLD->Float (cellRec,(DBFloat) 0.0);
subbasinLengthFLD->Float(cellRec,(DBFloat) 0.0);
subbasinAreaFLD->Float (cellRec,(DBFloat) 0.0);
((DBInt *) dataRec->Data ()) [pos.Row * gridIF->ColNum () + pos.Col] = cellRec->RowID ();
}
}
}
PauseStop:
if (pos.Row < gridIF->RowNum ()) return (DBFault);
sprintf (nameSTR,"GHAASBasin%d",(DBInt) 0);
basinRec = basinTable->Add (nameSTR);
mouthPosFLD->Position (basinRec,positionFLD->Position (cellTable->Item (0)));
colorFLD->Int (basinRec,0);
free (zones);
delete gridIF;
if (zGridIF != (DBGridIF *) NULL) delete zGridIF;
netData->Precision (DBMathMin (gridIF->CellWidth (),gridIF->CellHeight ()) / 25.0);
netIF = new DBNetworkIF (netData);
netIF->Build ();
delete netIF;
return (DBSuccess);
}