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C++ DBObjTableField::Coordinate方法代码示例

本文整理汇总了C++中DBObjTableField::Coordinate方法的典型用法代码示例。如果您正苦于以下问题：C++ DBObjTableField::Coordinate方法的具体用法？C++ DBObjTableField::Coordinate怎么用？C++ DBObjTableField::Coordinate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DBObjTableField的用法示例。


在下文中一共展示了DBObjTableField::Coordinate方法的6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: DBMathGetDistanceFunction

DBObjRecord *DBVectorIF::Item (DBCoordinate coord) const

	{
	DBObjRecord *record, *retRecord = (DBObjRecord *) NULL;

	switch (DataPTR->Type ())
		{
		case DBTypeVectorPoint:
			{
			DBFloat dist, minDist = DBHugeVal;
			DBObjTableField *coordFLD  = ItemTable->Field (DBrNCoord);
			DBMathDistanceFunction distFunc =  DBMathGetDistanceFunction (DataPTR);
			
			for (record = FirstItem ();record != (DBObjRecord *) NULL;record = NextItem ())
				{
				dist = DBMathCoordinateDistance (distFunc,coord,coordFLD->Coordinate (record));
				if (dist < minDist) { minDist = dist; retRecord = record; }
				}
			} break;
		case DBTypeVectorLine:		break;
		case DBTypeVectorPolygon:	break;
		default: CMmsgPrint (CMmsgAppError, "Unknown Vector Data Type in: %s %d",__FILE__,__LINE__); break;
		}
	return (retRecord);
	}
开发者ID:gyelnats，项目名称:RGIS，代码行数:25，代码来源:DBVectorMisc.C

示例2: Extent

DBRegion DBObjData::Extent(DBObjRecord *record) {
    DBRegion extent;
    DBCoordinate coord;
    DBFloat delta;
    DBObjTable *items;
    DBObjTableField *field;

    if (record == (DBObjRecord *) NULL) return (Extent());

    switch (Type()) {
        case DBTypeVectorPoint:
            delta = pow((double) 10.0, (double) Precision());
            items = TablesPTR->Item(DBrNItems);
            field = items->Field(DBrNCoord);
            coord = field->Coordinate(record);
            extent.Expand(coord + delta);
            extent.Expand(coord - delta);
            return (extent);
        case DBTypeVectorLine:
        case DBTypeVectorPolygon:
            items = TablesPTR->Item(DBrNItems);
            field = items->Field(DBrNRegion);
            return (field->Region(record));
        case DBTypeGridDiscrete:
        case DBTypeGridContinuous:
            return (Extent());
        case DBTypeNetwork: {
            DBInt cellID, cellNum;
            DBObjRecord *cellRec;
            DBNetworkIF *netIF = new DBNetworkIF(this);

            cellRec = netIF->MouthCell(record);
            cellNum = netIF->CellBasinCells(cellRec) + cellRec->RowID();
            for (cellID = cellRec->RowID(); cellID < cellNum; ++cellID) {
                cellRec = netIF->Cell(cellID);
                extent.Expand(netIF->Center(cellRec) + (netIF->CellSize() / 2.0));
                extent.Expand(netIF->Center(cellRec) - (netIF->CellSize() / 2.0));
            }
            delete netIF;
        }
            return (extent);
        case DBTypeTable:
        default:
            return (extent);
    }
}
开发者ID:bmfekete，项目名称:RGIS，代码行数:46，代码来源:DBObjData.C

示例3: LoadPoints

		DBInt LoadPoints (FILE *file,DBObjTable *points,DBRegion *extent)
			{
			DBInt swap = DBByteOrder (DBByteOrderLITTLE), pointNum = 0;;
			DBObjTableField *coordField = points->Field (DBrNCoord);
			DBObjRecord *record;
			DBCoordinate coord;
			
			if (coordField == (DBObjTableField *) NULL)
				{
				CMmsgPrint (CMmsgAppError, "Corrupt Point Data Block in: %s %d",__FILE__,__LINE__);
				return (DBFault);
				}
			
			for (record = points->First ();record != (DBObjRecord *) NULL;record = (DBObjRecord *) points->Next ())
				{
				if (Read (file,swap) == DBFault) return (DBFault);
				DBPause ((++pointNum * 100)/ points->ItemNum ());
				coord.X = CoordX;
				coord.Y = CoordY;
				extent->Expand (coord);
				coordField->Coordinate (record,coord);
				}
			return (DBSuccess);
			}
开发者ID:bandi13，项目名称:RGIS，代码行数:24，代码来源:DBImpARCPoint.C

示例4: DBImportARCLine

int DBImportARCLine (DBObjData *vecData,const char *arcCov)

	{
	FILE *inFile;
	DBInt arcNum, vertex, swap = DBByteOrder (DBByteOrderLITTLE), floatCov;
	char fileName [DBDataFileNameLen], objName [DBStringLength];
	short infoHeader [50];
	DBARCRecord arcRecord;
	DBObjTable  *lines;
	DBObjTable  *nodes;
	DBObjectLIST<DBObjRecord> *data;
	DBObjRecord *lineRec, *nodeRec, *dataRec;
	DBRegion dataExtent = vecData->Extent (), itemExtent;

	DBObjTableField *fromNodeFLD;
	DBObjTableField *toNodeFLD;
	DBObjTableField *leftPolyFLD;
	DBObjTableField *rightPolyFLD;
	DBObjTableField *vertexesFLD;
	DBObjTableField *vertexNumFLD;
	DBObjTableField *extentFLD;
	
	DBObjTableField *coordFLD;
	DBObjTableField *linkNumFLD;
	DBCoordinate *vertexes, nodeCoord;
	DBFloat4 floatVAR [2];

	switch (vecData->Type ())
		{
		case DBTypeVectorLine:		lines = vecData->Table (DBrNItems);		break;
		case DBTypeVectorPolygon:	lines = vecData->Table (DBrNContours);	break;
		default: CMmsgPrint (CMmsgAppError, "Invalide Vector Data Type in: %s %d",__FILE__,__LINE__); return (DBFault);
		}

	fromNodeFLD	= lines->Field (DBrNFromNode);
	toNodeFLD	= lines->Field (DBrNToNode);
	leftPolyFLD	= lines->Field (DBrNLeftPoly);
	rightPolyFLD= lines->Field (DBrNRightPoly);
	vertexesFLD	= lines->Field (DBrNVertexes);
	vertexNumFLD= lines->Field (DBrNVertexNum);
	extentFLD	= lines->Field (DBrNRegion);

	nodes = vecData->Table (DBrNNodes);	
	coordFLD		= nodes->Field (DBrNCoord);
	linkNumFLD	= nodes->Field (DBrNLinkNum);
	data = vecData->Arrays ();
	
	sprintf (fileName,"%s/arc",arcCov);	
	if (access (fileName,R_OK) == DBFault) sprintf (fileName,"%s/arc.adf",arcCov);

	if ((inFile = fopen (fileName,"r")) == NULL)
		{ CMmsgPrint (CMmsgSysError, "File Opening Error in: %s %d",__FILE__,__LINE__); return (DBFault); }
	if (fread (infoHeader,sizeof (short),50,inFile) != 50)
		{ CMmsgPrint (CMmsgSysError, "File Reading Error in: %s %d",__FILE__,__LINE__); return (DBFault); }
	
	arcNum = 0;			
	for (lineRec = lines->First ();arcRecord.Read (inFile,swap) != DBFault;lineRec = lines->Next ())
		{
		if (lineRec == NULL)
			{
			sprintf (objName,"Line: %5d",arcRecord.ID () + 1);
			if ((lineRec = lines->Add (objName)) == (DBObjRecord *) NULL)	return (DBFault);
			}
		else DBPause ((++arcNum * 100) / lines->ItemNum ());
		
		floatCov = arcRecord.RecordLength () - 12 == arcRecord.NumOfPnts () * (DBInt) sizeof (float) ? true : false;
		while (arcRecord.FromNode () > nodes->ItemNum ())
			{
			sprintf (objName,"Node: %5d",nodes->ItemNum () + 1);
			nodes->Add (objName);
			if ((nodeRec = nodes->Item ()) == NULL) return (DBFault);
			linkNumFLD->Int (nodeRec,0);
			}
		if ((nodeRec = nodes->Item (arcRecord.FromNode () - 1)) == (DBObjRecord *) NULL)
			{ CMmsgPrint (CMmsgAppError, "Node Not Found in: %s %d",__FILE__,__LINE__); return (DBFault); }
		if (floatCov)
			{
			if (fread (floatVAR,sizeof (floatVAR),1,inFile) != 1)
				{ CMmsgPrint (CMmsgSysError, "File Reading Error in: %s %d",__FILE__,__LINE__); return (DBFault); }
			if (swap)	{ DBByteOrderSwapWord (floatVAR); DBByteOrderSwapWord (floatVAR + 1); }
			nodeCoord.X = (DBFloat) floatVAR [0];
			nodeCoord.Y = (DBFloat) floatVAR [1];
			}
		else
			{
			if (fread (&nodeCoord,sizeof (DBCoordinate),1,inFile) != 1)
				{ CMmsgPrint (CMmsgSysError, "File Reading Error in: %s %d",__FILE__,__LINE__); return (DBFault); }
			if (swap) nodeCoord.Swap ();
			}
		coordFLD->Coordinate (nodeRec,nodeCoord);
		fromNodeFLD->Record	(lineRec,nodeRec);
		if (leftPolyFLD  != (DBObjTableField *) NULL) leftPolyFLD->Record  (lineRec,arcRecord.LeftPoly  ());
		if (rightPolyFLD != (DBObjTableField *) NULL) rightPolyFLD->Record (lineRec,arcRecord.RightPoly ());
		itemExtent.LowerLeft	 = nodeCoord;
		itemExtent.UpperRight = nodeCoord;
		linkNumFLD->Int (nodeRec,linkNumFLD->Int (nodeRec) + 1);
		if (arcRecord.NumOfPnts () > 2)
			{
			if ((dataRec = data->Item (lineRec->RowID ())) == (DBObjRecord *) NULL)
				{
//.........这里部分代码省略.........
开发者ID:rjs80，项目名称:RGIS，代码行数:101，代码来源:DBImpARCLine.C

示例5: _RGISToolsNetBasinMouthCBK

static void _RGISToolsNetBasinMouthCBK (Widget widget,RGISWorkspace *workspace,XmAnyCallbackStruct *callData)

	{
	DBDataset *dataset = UIDataset ();
	DBObjData *netData = dataset->Data (), *pntData;
	DBNetworkIF *netIF;

	widget = widget; callData = callData;

	if (netData == (DBObjData *) NULL)
		{ CMmsgPrint (CMmsgAppError, "Null Data in: %s %d",__FILE__,__LINE__); return; }
	netIF = new DBNetworkIF (netData);

	if (UIDataHeaderForm (pntData = new DBObjData ("",DBTypeVectorPoint)))
		{
		char symName [DBStringLength];
		DBInt basinID, order;
		DBCoordinate coord;
		DBObjTable *items 	= pntData->Table (DBrNItems);
		DBObjTable *symbols	= pntData->Table (DBrNSymbols);
		DBObjTableField *coordField = items->Field (DBrNCoord);
		DBObjTableField *symbolFLD	 = items->Field (DBrNSymbol);
		DBObjTableField *orderFLD 	= new DBObjTableField (DBrNOrder,DBTableFieldInt,"%3d",sizeof (DBByte));
		DBObjTableField *subbasinLengthFLD = new DBObjTableField (DBrNSubbasinLength,DBTableFieldFloat,"%10.1f",sizeof (float));
		DBObjTableField *subbasinAreaFLD = new DBObjTableField (DBrNSubbasinArea,DBTableFieldFloat,"%10.1f",sizeof (float));
		DBObjTableField *foregroundFLD = symbols->Field (DBrNForeground);
		DBObjTableField *backgroundFLD = symbols->Field (DBrNBackground);
		DBObjTableField *styleFLD = symbols->Field (DBrNStyle);
		DBObjRecord *pntRec, *symRec, *cellRec, *basinRec;
		DBRegion dataExtent;

		items->AddField (orderFLD);
		items->AddField (subbasinLengthFLD);
		items->AddField (subbasinAreaFLD);

		cellRec = netIF->Cell ((DBInt) 0);
		for (order = 0;order <= netIF->CellOrder (cellRec);++order)
			{
			sprintf (symName,"Strahler Order:%2d",order);
			symRec = symbols->Add (symName);
			styleFLD->Int (symRec,0);
			foregroundFLD->Int (symRec,1);
			backgroundFLD->Int (symRec,0);
			}

		UIPauseDialogOpen ((char *) "Creating Basin Mouth");
		for (basinID = 0;basinID < netIF->BasinNum ();++basinID)
			{
			basinRec = netIF->Basin (basinID);
			if (UIPause (basinID * 100 / netIF->BasinNum ())) goto Stop;

			symRec = symbols->Item (netIF->CellOrder (cellRec));
			cellRec = netIF->MouthCell (basinRec);
			pntRec = items->Add (basinRec->Name ());
			coord = netIF->Center (cellRec);
			coordField->Coordinate (pntRec,coord);
			symbolFLD->Record (pntRec,symRec);
			orderFLD->Int (pntRec,netIF->CellOrder (cellRec));
			subbasinLengthFLD->Float (pntRec,netIF->CellBasinLength (cellRec));
			subbasinAreaFLD->Float (pntRec,netIF->CellBasinArea (cellRec));
			dataExtent.Expand (coord);
			}
Stop:
		UIPauseDialogClose ();
		pntData->Extent (dataExtent);
		workspace->CurrentData  (pntData);
		}
	else	delete pntData;
	delete netIF;
	}
开发者ID:rjs80，项目名称:RGIS，代码行数:70，代码来源:RGISTools.C

示例6: RGISToolsConvertToPointCBK

void RGISToolsConvertToPointCBK (Widget widget,RGISWorkspace *workspace,XmAnyCallbackStruct *callData)

	{
	char *nText, *xText, *yText, *selection;
	int allowOk;
	static int convert;
	DBDataset *dataset = UIDataset ();
	DBObjData *dbData  = dataset->Data ();
	DBObjTable *itemTable;
	static Widget tableSelect = (Widget) NULL;
	static Widget dShell = (Widget) NULL, mainForm;
	static Widget nameTextF, xCoordTextF, yCoordTextF;
	XmString string;

	if (tableSelect == (Widget) NULL)	tableSelect = UISelectionCreate ((char *) "Table Selection");
	selection = UISelectObject (tableSelect,(DBObjectLIST<DBObject> *) dbData->Tables ());
	if (selection == (char *) NULL) return;
	if ((itemTable = dbData->Table (selection)) == (DBObjTable *) NULL)
		{ CMmsgPrint (CMmsgAppError, "Invalid Table in: %s %d",__FILE__,__LINE__); return; }

	_RGISToolsConvertToPointFields = itemTable->Fields ();
	if (dShell == (Widget) NULL)
		{
		Widget button;

		dShell = UIDialogForm ((char *) "Convert Table To Point",false);
		mainForm = UIDialogFormGetMainForm (dShell);

		string = XmStringCreate ((char *) "Select",UICharSetBold);
		button = XtVaCreateManagedWidget ("RGISToolsConvertToPointNameButton",xmPushButtonWidgetClass,mainForm,
								XmNtopAttachment,			XmATTACH_FORM,
								XmNtopOffset,				10,
								XmNrightAttachment,		XmATTACH_FORM,
								XmNrightOffset,			10,
								XmNmarginHeight,			5,
								XmNtraversalOn,			False,
								XmNlabelString,			string,
								XmNuserData,				DBTableFieldIsString,
								NULL);
		XmStringFree (string);
		nameTextF = XtVaCreateManagedWidget ("RGISToolsConvertToPointNameTextF",xmTextFieldWidgetClass,mainForm,
								XmNtopAttachment,			XmATTACH_OPPOSITE_WIDGET,
								XmNtopWidget,				button,
								XmNrightAttachment,		XmATTACH_WIDGET,
								XmNrightWidget,			button,
								XmNrightOffset,			10,
								XmNbottomAttachment,		XmATTACH_OPPOSITE_WIDGET,
								XmNbottomWidget,			button,
								XmNmaxLength,				DBStringLength,
								XmNcolumns,					DBStringLength / 2,
								NULL);
		XtAddCallback (button,XmNactivateCallback,(XtCallbackProc) _RGISToolsConvertToPointSelectCBK,nameTextF);
		string = XmStringCreate ((char *) "Name Field:",UICharSetBold);
		XtVaCreateManagedWidget ("RGISToolsConvertToPointNameLabel",xmLabelWidgetClass,mainForm,
								XmNtopAttachment,			XmATTACH_OPPOSITE_WIDGET,
								XmNtopWidget,				button,
								XmNleftAttachment,		XmATTACH_FORM,
								XmNleftOffset,				10,
								XmNrightAttachment,		XmATTACH_WIDGET,
								XmNrightWidget,			nameTextF,
								XmNrightOffset,			10,
								XmNbottomAttachment,		XmATTACH_OPPOSITE_WIDGET,
								XmNbottomWidget,			button,
								XmNlabelString,			string,
								NULL);
		XmStringFree (string);

		string = XmStringCreate ((char *) "Select",UICharSetBold);
		button = XtVaCreateManagedWidget ("RGISToolsConvertToPointXCoordButton",xmPushButtonWidgetClass,mainForm,
								XmNtopAttachment,			XmATTACH_WIDGET,
								XmNtopWidget,				button,
								XmNtopOffset,				10,
								XmNrightAttachment,		XmATTACH_FORM,
								XmNrightOffset,			10,
								XmNmarginHeight,			5,
								XmNtraversalOn,			False,
								XmNlabelString,			string,
								XmNuserData,				DBTableFieldIsNumeric,
								NULL);
		XmStringFree (string);
		xCoordTextF = XtVaCreateManagedWidget ("RGISToolsConvertToPointXCoordTextF",xmTextFieldWidgetClass,mainForm,
								XmNtopAttachment,			XmATTACH_OPPOSITE_WIDGET,
								XmNtopWidget,				button,
								XmNrightAttachment,		XmATTACH_WIDGET,
								XmNrightWidget,			button,
								XmNrightOffset,			10,
								XmNbottomAttachment,		XmATTACH_OPPOSITE_WIDGET,
								XmNbottomWidget,			button,
								XmNmaxLength,				DBStringLength,
								XmNcolumns,					DBStringLength / 2,
								NULL);
		XtAddCallback (button,XmNactivateCallback,(XtCallbackProc) _RGISToolsConvertToPointSelectCBK,xCoordTextF);
		string = XmStringCreate ((char *) "X Coordinate:",UICharSetBold);
		XtVaCreateManagedWidget ("RGISToolsConvertToPointXCoordLabel",xmLabelWidgetClass,mainForm,
								XmNtopAttachment,			XmATTACH_OPPOSITE_WIDGET,
								XmNtopWidget,				button,
								XmNleftAttachment,		XmATTACH_FORM,
								XmNleftOffset,				10,
								XmNrightAttachment,		XmATTACH_WIDGET,
								XmNrightWidget,			nameTextF,
//.........这里部分代码省略.........
开发者ID:bandi13，项目名称:RGIS，代码行数:101，代码来源:RGISToolsToPoint.C


注：本文中的DBObjTableField::Coordinate方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。