本文整理汇总了C++中DBGridIF::GridItem方法的典型用法代码示例。如果您正苦于以下问题：C++ DBGridIF::GridItem方法的具体用法？C++ DBGridIF::GridItem怎么用？C++ DBGridIF::GridItem使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类DBGridIF的用法示例。
在下文中一共展示了DBGridIF::GridItem方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: GetVariable
void GetVariable(DBObjRecord *record, DBCoordinate coord) {
switch ((GridIF->Data())->Type()) {
case DBTypeGridContinuous: {
DBFloat value;
if (GridIF->Value(LayerRec, coord, &value))
TargetFLD->Float(record, value);
else TargetFLD->Float(record, TargetFLD->FloatNoData());
}
break;
case DBTypeGridDiscrete: {
DBObjRecord *grdRec;
if ((grdRec = GridIF->GridItem(LayerRec, coord)) != (DBObjRecord *) NULL)
switch (SourceFLD->Type()) {
case DBVariableString:
TargetFLD->String(record, SourceFLD->String(grdRec));
break;
case DBVariableInt:
TargetFLD->Int(record, SourceFLD->Int(grdRec));
break;
case DBVariableFloat:
TargetFLD->Float(record, SourceFLD->Float(grdRec));
break;
default:
break;
}
else
switch (SourceFLD->Type()) {
case DBVariableString:
TargetFLD->String(record, "");
break;
case DBVariableInt:
TargetFLD->Int(record, SourceFLD->IntNoData());
break;
case DBVariableFloat:
TargetFLD->Float(record, SourceFLD->FloatNoData());
break;
default:
break;
}
}
break;
default:
CMmsgPrint(CMmsgUsrError, "Invalid grid type in: CMDgrdVariable:GetVariable ()");
break;
}
}示例2: _RGISUserFuncionQuery
void _RGISUserFuncionQuery (DBObjData *dbData,UI2DView *view,XEvent *event)
{
DBInt sX, sY;
DBCoordinate coord;
DBObjData *data = dbData;
UIAttribView *attribView;
if (event->type != ButtonPress) return;
sX = event->xbutton.x;
sY = event->xbutton.y;
view->Window2Map (sX,sY, &(coord.X), &(coord.Y));
for (data = dbData;
(data != (DBObjData *) NULL) && ((data->Flags () & DBObjectFlagProcessed) != DBObjectFlagProcessed);
data = data->LinkedData ())
{
data->Flags (DBObjectFlagProcessed,DBSet);
if ((data->Flags () & DBDataFlagUserModeFlags) == DBDataFlagUserModeQuery)
{
if ((attribView = (UIAttribView *) data->Display (UIAttribViewSTR)) == (UIAttribView *) NULL)
data->DispAdd (attribView = new UIAttribView (data));
switch (data->Type ())
{
case DBTypeVectorPoint:
case DBTypeVectorLine:
case DBTypeVectorPolygon:
{
DBVectorIF *vectorIF = new DBVectorIF (data);
attribView->Draw (vectorIF->Item (coord));
} break;
case DBTypeGridDiscrete:
{
DBGridIF *gridIF = new DBGridIF (data);
attribView->Draw (gridIF->GridItem (coord));
delete gridIF;
} break;
case DBTypeGridContinuous:
{
DBPosition pos;
DBGridIF *gridIF = new DBGridIF (data);
char nameString [DBStringLength * 2];
DBObjRecord *record = new DBObjRecord ("Noname",sizeof (DBCoordinate));
gridIF->Coord2Pos (coord,pos);
gridIF->Pos2Coord (pos,coord);
sprintf (nameString,"CellCoordinate %10.2f%10.2f",coord.X,coord.Y);
record->Name (nameString);
memcpy (record->Data (),(void *) &coord,sizeof (coord));
attribView->Draw (record);
delete record;
delete gridIF;
} break;
case DBTypeNetwork:
{
DBNetworkIF *netIF = new DBNetworkIF (data);
attribView->Draw (netIF->Cell (coord));
delete netIF;
} break;
default:
CMmsgPrint (CMmsgAppError, "Invalid Data Type in: %s %d",__FILE__,__LINE__); break;
}
}
}
for (data = dbData;
(data != (DBObjData *) NULL) && ((data->Flags () & DBObjectFlagProcessed) == DBObjectFlagProcessed);
data = data->LinkedData ())
data->Flags (DBObjectFlagProcessed,DBClear);
}示例3: DBPointToGrid
DBInt DBPointToGrid(DBObjData *pntData, DBObjData *netData, DBObjData *grdData) {
DBInt i;
DBPosition pos;
DBObjTable *pntTable = pntData->Table(DBrNItems);
DBObjTable *grdTable = grdData->Table(DBrNItems);
DBObjTable *symTable = grdData->Table(DBrNSymbols);
DBObjectLIST<DBObjTableField> *pntFields = pntTable->Fields();
DBObjTableField *pntFLD;
DBObjTableField *grdAttribFLD;
DBObjTableField *grdFLD = grdTable->Field(DBrNGridValue);
DBObjTableField *symFLD = grdTable->Field(DBrNSymbol);
DBObjRecord *cellRec, *toCell, *pntRec, *itemRec;
DBObjRecord *symRec = symTable->First();
DBVPointIF *pntIF;
DBNetworkIF *netIF;
DBGridIF *grdIF;
pntIF = new DBVPointIF(pntData);
netIF = new DBNetworkIF(netData);
grdIF = new DBGridIF(grdData);
grdIF->RenameLayer(grdIF->Layer((DBInt) 0), (char *) "Subbasins");
for (pos.Row = 0; pos.Row < grdIF->RowNum(); ++pos.Row)
for (pos.Col = 0; pos.Col < grdIF->ColNum(); ++pos.Col) grdIF->Value(pos, DBFault);
for (pntFLD = pntFields->First(); pntFLD != (DBObjTableField *) NULL; pntFLD = pntFields->Next())
if (DBTableFieldIsVisible(pntFLD)) grdTable->AddField(new DBObjTableField(*pntFLD));
for (i = 0; i < pntIF->ItemNum(); ++i) {
DBPause(i * 100 / pntIF->ItemNum());
pntRec = pntIF->Item(i);
if ((pntRec->Flags() & DBObjectFlagIdle) == DBObjectFlagIdle) continue;
if ((cellRec = netIF->Cell(pntIF->Coordinate(pntRec))) == (DBObjRecord *) NULL) continue;
itemRec = grdTable->Add(pntRec->Name());
grdFLD->Int(itemRec, pntRec->RowID() + 1);
symFLD->Record(itemRec, symRec);
for (pntFLD = pntFields->First(); pntFLD != (DBObjTableField *) NULL; pntFLD = pntFields->Next())
if ((grdAttribFLD = grdTable->Field(pntFLD->Name())) != (DBObjTableField *) NULL)
switch (pntFLD->Type()) {
case DBTableFieldString:
grdAttribFLD->String(itemRec, pntFLD->String(pntRec));
break;
case DBTableFieldInt:
grdAttribFLD->Int(itemRec, pntFLD->Int(pntRec));
break;
case DBTableFieldFloat:
grdAttribFLD->Float(itemRec, pntFLD->Float(pntRec));
break;
case DBTableFieldDate:
grdAttribFLD->Date(itemRec, pntFLD->Date(pntRec));
break;
}
grdIF->Value(netIF->CellPosition(cellRec), itemRec->RowID());
}
for (i = 0; i < netIF->CellNum(); ++i) {
if ((cellRec = netIF->Cell(i)) == (DBObjRecord *) NULL) continue;
if ((itemRec = grdIF->GridItem(netIF->CellPosition(cellRec))) != (DBObjRecord *) NULL) continue;
if ((toCell = netIF->ToCell(cellRec)) == (DBObjRecord *) NULL) continue;
if ((itemRec = grdIF->GridItem(netIF->CellPosition(toCell))) != (DBObjRecord *) NULL)
grdIF->Value(netIF->CellPosition(cellRec), itemRec->RowID());
}
grdIF->DiscreteStats();
delete pntIF;
delete netIF;
delete grdIF;
return (DBSuccess);
}示例4: RGlibRGIS2DataStream
//.........这里部分代码省略.........
}
}
else {
if (gridIF->Value(layerRec, tmplPntIF->Coordinate(pntRec), &floatValue) == false)
floatValue = varHeader.Missing.Float;
switch (varHeader.DataType) {
case MFFloat:
((float *) data)[itemID] = (float) floatValue;
break;
case MFDouble:
((double *) data)[itemID] = (double) floatValue;
break;
}
}
}
if ((DBInt) fwrite(&varHeader, sizeof(MFVarHeader_t), 1, outFile) != 1) {
CMmsgPrint(CMmsgSysError, "Error: Writing record header in: %s %d", __FILE__, __LINE__);
ret = DBFault;
break;
}
if ((DBInt) fwrite(data, itemSize, varHeader.ItemNum, outFile) != varHeader.ItemNum) {
CMmsgPrint(CMmsgSysError, "Error: Writing data in: %s %d", __FILE__, __LINE__);
ret = DBFault;
break;
}
}
}
else {
for (layerID = 0; layerID < gridIF->LayerNum(); ++layerID) {
layerRec = gridIF->Layer(layerID);
strncpy(varHeader.Date, layerRec->Name(), MFDateStringLength - 1);
for (itemID = 0; itemID < varHeader.ItemNum; ++itemID) {
pntRec = tmplPntIF->Item(itemID);
gridRec = gridIF->GridItem(layerRec, tmplPntIF->Coordinate(pntRec));
switch (varHeader.DataType) {
case MFByte:
((char *) data)[itemID] =
gridRec != (DBObjRecord *) NULL ? fieldPTR->Int(gridRec) : fieldPTR->IntNoData();
break;
case MFShort:
((short *) data)[itemID] =
gridRec != (DBObjRecord *) NULL ? fieldPTR->Int(gridRec) : fieldPTR->IntNoData();
break;
case MFInt:
((int *) data)[itemID] =
gridRec != (DBObjRecord *) NULL ? fieldPTR->Int(gridRec) : fieldPTR->IntNoData();
break;
case MFFloat:
((float *) data)[itemID] =
gridRec != (DBObjRecord *) NULL ? fieldPTR->Int(gridRec) : fieldPTR->FloatNoData();
break;
case MFDouble:
((double *) data)[itemID] =
gridRec != (DBObjRecord *) NULL ? fieldPTR->Int(gridRec) : fieldPTR->FloatNoData();
break;
}
}
if ((DBInt) fwrite(&varHeader, sizeof(MFVarHeader_t), 1, outFile) != 1) {
CMmsgPrint(CMmsgSysError, "Error: Writing record header in: %s %d", __FILE__, __LINE__);
ret = DBFault;
break;
}
if ((DBInt) fwrite(data, itemSize, varHeader.ItemNum, outFile) != varHeader.ItemNum) {
CMmsgPrint(CMmsgSysError, "Error: Writing data in: %s %d", __FILE__, __LINE__);
ret = DBFault;
break;