本文整理汇总了C++中DBGridIF::DiscreteStats方法的典型用法代码示例。如果您正苦于以下问题：C++ DBGridIF::DiscreteStats方法的具体用法？C++ DBGridIF::DiscreteStats怎么用？C++ DBGridIF::DiscreteStats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::DiscreteStats方法的3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: RGISEditGridStatsCBK
void RGISEditGridStatsCBK (Widget widget, RGISWorkspace *workspace,XmAnyCallbackStruct *callData)
{
DBDataset *dataset = UIDataset ();
DBObjData *dbData = dataset->Data ();
DBGridIF *gridIF = new DBGridIF (dbData);
UITable *tableCLS = (UITable *) dbData->Display (UITableName (dbData,dbData->Table (DBrNItems)));
if (dbData->Type () == DBTypeGridContinuous)
gridIF->RecalcStats ();
else gridIF->DiscreteStats ();
if (tableCLS != (UITable *) NULL) tableCLS->Draw ();
}示例2: DBPointToGrid
DBInt DBPointToGrid(DBObjData *pntData, DBObjData *grdData, DBFloat factor) {
DBInt startID, pnt0ID, pntID, id, itemNum;
double dist, minDist, box, box0, bWidth, bHeight;
DBPosition pos;
DBCoordinate gCoord, *pCoord;
DBObjRecord *grdRec, *pntRec, *symRec;
DBObjTable *itemTable, *symTable;
DBObjTableField *valField, *symField;
DBVPointIF *pntIF;
DBGridIF *gridIF;
DBMathDistanceFunction distFunc = DBMathGetDistanceFunction(pntData);
if (distFunc != DBMathGetDistanceFunction(grdData)) {
CMmsgPrint(CMmsgAppError, "Incompatible projections in: %s %d", __FILE__, __LINE__);
return (DBFault);
}
pntIF = new DBVPointIF(pntData);
itemNum = pntIF->ItemNum();
if ((pCoord = (DBCoordinate *) calloc(itemNum, sizeof(DBCoordinate))) == (DBCoordinate *) NULL) {
CMmsgPrint(CMmsgSysError, "Memory allocation Error in: %s %d", __FILE__, __LINE__);
return (DBFault);
}
gridIF = new DBGridIF(grdData);
for (pntID = 0; pntID < itemNum; ++pntID) pCoord[pntID] = pntIF->Coordinate(pntIF->Item(pntID));
if (grdData->Type() == DBTypeGridContinuous)
gridIF->RenameLayer(gridIF->Layer((DBInt) 0), (char *) "Distance to Station");
else {
gridIF->RenameLayer(gridIF->Layer((DBInt) 0), (char *) "Station grid");
itemTable = grdData->Table(DBrNItems);
symTable = grdData->Table(DBrNSymbols);
valField = itemTable->Field(DBrNGridValue);
symField = itemTable->Field(DBrNSymbol);
if ((symRec = symTable->Item(0)) == (DBObjRecord *) NULL)
CMmsgPrint(CMmsgAppError, "Total Metal Gebasz in: %s %d", __FILE__, __LINE__);
for (pntID = 0; pntID < itemNum; ++pntID) {
pntRec = pntIF->Item(pntID);
grdRec = itemTable->Add(pntRec->Name());
valField->Int(grdRec, pntID + 1);
symField->Record(grdRec, symRec);
}
}
startID = 0;
for (pos.Row = 0; pos.Row < gridIF->RowNum(); ++pos.Row) {
DBPause(pos.Row * 100 / gridIF->RowNum());
for (pos.Col = 0; pos.Col < gridIF->ColNum(); ++pos.Col) {
gridIF->Pos2Coord(pos, gCoord);
minDist = box0 = DBHugeVal;
pnt0ID = pntID = startID;
id = DBFault;
do {
bWidth = fabs(gCoord.X - pCoord[pntID].X);
bHeight = fabs(gCoord.Y - pCoord[pntID].Y);
box = bWidth > bHeight ? bWidth : bHeight;
if ((box < box0) && ((dist = DBMathCoordinateDistance(distFunc, gCoord, pCoord[pntID])) < minDist)) {
minDist = dist;
id = startID = pntID;
box *= factor;
if (box0 > box) box0 = box;
}
pntID = pntID + 1 < itemNum ? pntID + 1 : 0;
} while (pntID != pnt0ID);
if (grdData->Type() == DBTypeGridContinuous) gridIF->Value(pos, minDist); else gridIF->Value(pos, id);
}
}
if (grdData->Type() == DBTypeGridContinuous) gridIF->RecalcStats(); else gridIF->DiscreteStats();
delete gridIF;
free(pCoord);
return (DBSuccess);
}示例3: Read
//.........这里部分代码省略.........
case DBTypeGridDiscrete:
{
DBInt value;
char nameStr [DBStringLength];
DBObjRecord *symRec = (data->Table (DBrNSymbols))->Add ("Default Symbol");
DBObjRecord *itemRec;
DBObjTableField *gridValueFLD = itemTable->Field (DBrNGridValue);
DBObjTableField *gridSymbolFLD = itemTable->Field (DBrNSymbol);
DBObjTableField *symbolIDFLD = (data->Table (DBrNSymbols))->Field (DBrNSymbolID);
DBObjTableField *foregroundFLD = (data->Table (DBrNSymbols))->Field (DBrNForeground);
DBObjTableField *backgroundFLD = (data->Table (DBrNSymbols))->Field (DBrNBackground);
DBObjTableField *styleFLD = (data->Table (DBrNSymbols))->Field (DBrNStyle);
symbolIDFLD->Int (symRec,0);
foregroundFLD->Int (symRec,1);
backgroundFLD->Int (symRec,0);
styleFLD->Int (symRec,0);
for (dataRec = (data->Arrays ())->First ();dataRec != (DBObjRecord *) NULL;dataRec = (data->Arrays ())->Next ())
{
for (i = 0;i < ColNum () * RowNum ();++i)
{
switch (valueType)
{
case DBTableFieldFloat: value = (DBInt) rint (*((float *) ((char *) dataRec->Data () + i * valueSize))); break;
case DBTableFieldInt:
switch (valueSize)
{
case sizeof (DBByte): value = (DBInt) (*((DBByte *) ((char *) dataRec->Data () + i * valueSize))); break;
case sizeof (DBShort): value = (DBInt) (*((DBShort *) ((char *) dataRec->Data () + i * valueSize))); break;
case sizeof (DBInt): value = (DBInt) (*((DBInt *) ((char *) dataRec->Data () + i * valueSize))); break;
default: CMmsgPrint (CMmsgAppError, "Wrong Data Size in: %s %d",__FILE__,__LINE__); return (DBFault);
}
break;
default: CMmsgPrint (CMmsgAppError, "Wrong Data Type in: %s %d",__FILE__,__LINE__); return (DBFault);
}
sprintf (nameStr,"Category%04d",value);
if ((itemRec = itemTable->Item (nameStr)) == (DBObjRecord *) NULL)
{
if ((itemRec = itemTable->Add (nameStr)) == (DBObjRecord *) NULL)
{ CMmsgPrint (CMmsgAppError, "Item Object Creation Error in: %s %d",__FILE__,__LINE__); return (DBFault); }
gridValueFLD->Int (itemRec,value);
gridSymbolFLD->Record (itemRec,symRec);
}
value = itemRec->RowID ();
switch (valueSize)
{
case sizeof (DBByte): *((DBByte *) ((char *) dataRec->Data () + i * valueSize)) = value; break;
case sizeof (DBShort): *((DBShort *) ((char *) dataRec->Data () + i * valueSize)) = value; break;
case sizeof (DBInt): *((DBInt *) ((char *) dataRec->Data () + i * valueSize)) = value; break;
default: CMmsgPrint (CMmsgAppError, "Wrong Data Size in: %s %d",__FILE__,__LINE__); return (DBFault);
}
}
}
itemTable->ListSort (gridValueFLD);
for (dataRec = (data->Arrays ())->First ();dataRec != (DBObjRecord *) NULL;dataRec = (data->Arrays ())->Next ())
{
for (i = 0;i < ColNum () * RowNum ();++i)
{
switch (valueSize)
{
case sizeof (DBByte): value = (DBInt) (*((DBByte *) ((char *) dataRec->Data () + i * valueSize))); break;
case sizeof (DBShort): value = (DBInt) (*((DBShort *) ((char *) dataRec->Data () + i * valueSize))); break;
case sizeof (DBInt): value = (DBInt) (*((DBInt *) ((char *) dataRec->Data () + i * valueSize))); break;
default: CMmsgPrint (CMmsgAppError, "Wrong Data Size in: %s %d",__FILE__,__LINE__); return (DBFault);
}
itemRec = itemTable->Item (value);
value = itemRec->ListPos ();
switch (valueSize)
{
case sizeof (DBByte): *((DBByte *) ((char *) dataRec->Data () + i * valueSize)) = value; break;
case sizeof (DBShort): *((DBShort *) ((char *) dataRec->Data () + i * valueSize)) = value; break;
case sizeof (DBInt): *((DBInt *) ((char *) dataRec->Data () + i * valueSize)) = value; break;
default: CMmsgPrint (CMmsgAppError, "Wrong Data Size in: %s %d",__FILE__,__LINE__); return (DBFault);
}
}
}
itemTable->ItemSort ();
gridIF = new DBGridIF (data);
gridIF->DiscreteStats ();
delete gridIF;
} break;
case DBTypeGridContinuous:
{
DBObjTableField *missingValueFLD = itemTable->Field (DBrNMissingValue);
for (dataRec = (data->Arrays ())->First ();dataRec != (DBObjRecord *) NULL;dataRec = (data->Arrays ())->Next ())
{
itemTable->Add (dataRec->Name ());
missingValueFLD->Float (itemTable->Item (),MissingValue ());
}
gridIF = new DBGridIF (data);
gridIF->RecalcStats ();
delete gridIF;
data->Flags (DBDataFlagDispModeContBlueRed,DBSet);
break;
}
default: break;
}
return (DBSuccess);
}