void ComputeTask(DBObjRecord *record, size_t taskId) {
size_t i;
DBPosition pos;
DBCoordinate coord;
pos.Row = taskId / GridIF->ColNum();
pos.Col = taskId % GridIF->ColNum();
GridIF->Pos2Coord(pos, coord);
for (i = 0; i < VarNum; ++i) GrdVar[i]->GetVariable(record, coord);
for (i = 0; i < ExpNum; ++i) Expressions[i]->Evaluate(record);
GridIF->Value(LayerRec, pos, Operand->Float(record));
}
DBObjData *Compute(char *title, CMthreadUserExecFunc userFunc) {
DBInt i, layerID, dataLayerID;
size_t threadId;
DBPosition pos;
DBCoordinate coord;
char *layerName;
DBObjData *data;
DBObjRecord *record;
size_t threadsNum = CMthreadProcessorNum();
CMthreadTeam_t team;
CMthreadJob_p job = (CMthreadJob_p) NULL;
if (CMthreadTeamInitialize(&team, threadsNum) == (CMthreadTeam_p) NULL) {
CMmsgPrint (CMmsgUsrError,"Team initialization error %s, %d",__FILE__,__LINE__);
return ((DBObjData *) NULL);
}
if ((data = DBGridCreate(title, Extent, CellSize)) == (DBObjData *) NULL) return ((DBObjData *) NULL);
data->Projection(GrdVar[0]->Projection()); // Taking projection from first grid variable
GridIF = new DBGridIF(data);
if (team.ThreadNum > 0) {
if ((job = CMthreadJobCreate(GridIF->RowNum() * GridIF->ColNum(), userFunc, (void *) this)) ==
(CMthreadJob_p) NULL) {
CMmsgPrint(CMmsgAppError, "Job creation error in %s:%d", __FILE__, __LINE__);
CMthreadTeamDestroy(&team);
return ((DBObjData *) NULL);
}
for (threadId = 0; threadId < team.ThreadNum; ++threadId)
if (Table->Add("TEMPRecord") == (DBObjRecord *) NULL) {
CMthreadTeamDestroy(&team);
return ((DBObjData *) NULL);
}
}
else {
if ((record = Table->Add("TEMPRecord")) == (DBObjRecord *) NULL) return ((DBObjData *) NULL);
}
for (layerID = 0; layerID < LayerNum; ++layerID) {
layerName = GrdVar[MasterVar]->CurrentLayer(layerID);
for (i = 0; i < (DBInt) VarNum; ++i) {
if ((dataLayerID = GrdVar[i]->FindLayer(layerName)) != DBFault)
GrdVar[i]->CurrentLayer(dataLayerID);
else {
if (GrdVar[i]->LayerIsDated(0)) continue;
GrdVar[i]->CurrentLayer(dataLayerID);
}
}
if (layerID > 0) GridIF->AddLayer((char *) "New Layer");
LayerRec = GridIF->Layer(layerID);
GridIF->RenameLayer(LayerRec, layerName);
if (job != (CMthreadJob_p) NULL) CMthreadJobExecute(&team, job);
else
for (pos.Row = 0; pos.Row < GridIF->RowNum(); ++pos.Row)
for (pos.Col = 0; pos.Col < GridIF->ColNum(); ++pos.Col) {
GridIF->Pos2Coord(pos, coord);
for (i = 0; i < (DBInt) VarNum; ++i) GrdVar[i]->GetVariable(record, coord);
for (i = 0; i < (DBInt) ExpNum; ++i) Expressions[i]->Evaluate(record);
GridIF->Value(LayerRec, pos, Operand->Float(record));
}
GridIF->RecalcStats(LayerRec);
}
delete GridIF;
CMthreadTeamDestroy(&team);
return (data);
}
