本文整理汇总了C++中DBGridIF::Pos2Coord方法的典型用法代码示例。如果您正苦于以下问题：C++ DBGridIF::Pos2Coord方法的具体用法？C++ DBGridIF::Pos2Coord怎么用？C++ DBGridIF::Pos2Coord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::Pos2Coord方法的7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: ComputeTask
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));
}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 *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4: DBGridOperation
void DBGridOperation(DBObjData *leftGrd, DBObjData *rightGrd, DBInt oper, DBInt mergeMissingVal) {
DBInt leftID, rightID;
DBFloat leftVal, rightVal;
DBPosition pos;
DBCoordinate coord;
DBObjRecord *leftRec, *rightRec;
DBGridIF *leftIF = new DBGridIF(leftGrd);
DBGridIF *rightIF = new DBGridIF(rightGrd);
for (leftID = 0; leftID < leftIF->LayerNum(); ++leftID) {
leftRec = leftIF->Layer(leftID);
if ((leftRec->Flags() & DBObjectFlagIdle) != DBObjectFlagIdle) break;
}
if (leftID == leftIF->LayerNum()) {
CMmsgPrint(CMmsgAppError, "No Layer to Process in %s %d", __FILE__, __LINE__);
return;
}
for (rightID = 0; rightID < rightIF->LayerNum(); ++rightID) {
rightRec = rightIF->Layer(rightID);
if ((rightRec->Flags() & DBObjectFlagIdle) != DBObjectFlagIdle) break;
}
if (rightID == rightIF->LayerNum()) {
CMmsgPrint(CMmsgAppError, "No Layer to Process in %s %d", __FILE__, __LINE__);
return;
}
rightID = (DBInt) 0;
for (leftID = 0; leftID < leftIF->LayerNum(); ++leftID) {
leftRec = leftIF->Layer(leftID);
while ((leftRec->Flags() & DBObjectFlagIdle) == DBObjectFlagIdle) {
++leftID;
if (leftID == leftIF->LayerNum()) goto Stop;
leftRec = leftIF->Layer(leftID);
}
if ((rightRec = rightIF->Layer(rightID)) == (DBObjRecord *) NULL) {
rightID = 0;
rightRec = rightIF->Layer(rightID);
}
while ((rightRec->Flags() & DBObjectFlagIdle) == DBObjectFlagIdle) {
++rightID;
if (rightID == rightIF->LayerNum()) rightID = 0;
rightRec = rightIF->Layer(rightID);
}
for (pos.Row = 0; pos.Row < leftIF->RowNum(); pos.Row++) {
if (DBPause((leftID * leftIF->RowNum() + pos.Row) * 100 / (leftIF->LayerNum() * leftIF->RowNum())))
goto Stop;
for (pos.Col = 0; pos.Col < leftIF->ColNum(); pos.Col++) {
leftIF->Pos2Coord(pos, coord);
if (leftIF->Value(leftRec, pos, &leftVal)) {
if (rightIF->Value(rightRec, coord, &rightVal))
switch (oper) {
case DBMathOperatorAdd:
leftIF->Value(leftRec, pos, leftVal + rightVal);
break;
case DBMathOperatorSub:
leftIF->Value(leftRec, pos, leftVal - rightVal);
break;
case DBMathOperatorMul:
leftIF->Value(leftRec, pos, leftVal * rightVal);
break;
case DBMathOperatorDiv:
if (fabs(rightVal) > 0.000001) leftIF->Value(leftRec, pos, leftVal / rightVal);
else leftIF->Value(leftRec, pos, leftIF->MissingValue());
break;
}
else if (mergeMissingVal) leftIF->Value(leftRec, pos, leftIF->MissingValue());
}
}
}
++rightID;
leftIF->RecalcStats(leftRec);
}
Stop:
return;
}示例5: RGlibRGIS2DataStream
//.........这里部分代码省略.........
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;
}
}
}
delete tmplPntIF;
}
/**************************************************************
* *
* Grid Template (default when no template coverage is given. *
* *
**************************************************************/
else if (tmplGrdIF != (DBGridIF *) NULL) {
DBPosition pos;
DBCoordinate coord;
if (fieldPTR == (DBObjTableField *) NULL) {
for (layerID = 0; layerID < gridIF->LayerNum(); ++layerID) {
layerRec = gridIF->Layer(layerID);
strncpy(varHeader.Date, layerRec->Name(), MFDateStringLength - 1);
for (pos.Row = 0; pos.Row < tmplGrdIF->RowNum(); ++pos.Row)
for (pos.Col = 0; pos.Col < tmplGrdIF->ColNum(); ++pos.Col) {
itemID = pos.Row * tmplGrdIF->ColNum() + pos.Col;
if ((varHeader.DataType == MFByte) || (varHeader.DataType == MFShort) ||
(varHeader.DataType == MFInt)) {
if (tmplGrdIF != gridIF) {
tmplGrdIF->Pos2Coord(pos, coord);
if (gridIF->Value(layerRec, coord, &intValue) == false)
intValue = varHeader.Missing.Int;
}
else {
if (gridIF->Value(layerRec, pos, &intValue) == false) intValue = varHeader.Missing.Int;
}
switch (varHeader.DataType) {
case MFByte:
((char *) data)[itemID] = (char) intValue;
break;
case MFShort:
((short *) data)[itemID] = (short) intValue;
break;
case MFInt:
((int *) data)[itemID] = (short) intValue;
break;
}
}
else {
if (tmplGrdIF != gridIF) {
tmplGrdIF->Pos2Coord(pos, coord);
if (gridIF->Value(layerRec, coord, &floatValue) == false)
floatValue = varHeader.Missing.Float;
}
else {
if (gridIF->Value(layerRec, pos, &floatValue) == false)
floatValue = varHeader.Missing.Float;
}
switch (varHeader.DataType) {
case MFFloat:
((float *) data)[itemID] = (float) floatValue;
break;示例6: CMthreadProcessorNum
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);
}示例7: DBGridCont2Network
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;
//.........这里部分代码省略.........