当前位置: 首页>>代码示例>>C++>>正文


C++ DBObjTable::Delete方法代码示例

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


在下文中一共展示了DBObjTable::Delete方法的2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: DBImportARCPoly

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

	{
	DBInt polyNum = 0, line, lineNum, vertexNum,  polyDir;
	DBObjTable *items = vecData->Table (DBrNItems);
	DBObjTable *lines	= vecData->Table (DBrNContours);
	DBObjTableField *firstLineFLD	= items->Field (DBrNFirstLine);
	DBObjTableField *lineNumFLD	= items->Field (DBrNLineNum);
	DBObjTableField *polyVertexNumFLD = items->Field (DBrNVertexNum);
	DBObjTableField *polyExtentFLD	= items->Field (DBrNRegion);
	DBObjTableField *leftPolyFLD	= lines->Field (DBrNLeftPoly);
	DBObjTableField *rightPolyFLD	= lines->Field (DBrNRightPoly);
	DBObjTableField *nextLineFLD	= lines->Field (DBrNNextLine);
	DBObjTableField *prevLineFLD	= lines->Field (DBrNPrevLine);
	DBObjTableField *fromNodeFLD	= lines->Field (DBrNFromNode);
	DBObjTableField *toNodeFLD		= lines->Field (DBrNToNode);
	DBObjTableField *lineVertextNumFLD	= lines->Field (DBrNVertexNum);
	DBObjTableField *lineExtentFLD	= lines->Field (DBrNRegion);
	DBObjRecord *polyRec, *lineRec, *firstNodeRec, *nodeRec, **lineRecArray;
	DBRegion extent, initRegion;

	if (DBImportARCLine (vecData,arcCov) == DBFault) return (DBFault);

	items->Delete (0);
	for (polyRec = items->First ();polyRec != (DBObjRecord *) NULL;polyRec = items->Next ())
		lineNumFLD->Int (polyRec,0);

	for (lineRec = lines->First ();lineRec != (DBObjRecord *) NULL;lineRec = lines->Next ())
		{
		rightPolyFLD->Record	(lineRec,items->Item ((DBInt) (rightPolyFLD->Record(lineRec) - (DBObjRecord *) NULL)));
		leftPolyFLD->Record  (lineRec,items->Item ((DBInt) (leftPolyFLD->Record (lineRec) - (DBObjRecord *) NULL)));
		nextLineFLD->Record (lineRec,(DBObjRecord *) NULL);
		prevLineFLD->Record (lineRec,(DBObjRecord *) NULL);
		}

	if ((lineRecArray = (DBObjRecord **) calloc (lines->ItemNum (),sizeof (DBObjRecord *))) == (DBObjRecord **) NULL)
		{ CMmsgPrint (CMmsgSysError, "Memory Allocation Error in: %s %d",__FILE__,__LINE__); return (DBFault); }

	for (polyRec = items->First ();polyRec != (DBObjRecord *) NULL;polyRec = items->Next ())
		{
		DBPause ((++polyNum * 100) / items->ItemNum ());

		lineNum = vertexNum = 0;
		extent = initRegion;
		for (lineRec = lines->First ();lineRec != (DBObjRecord *) NULL;lineRec = lines->Next ())
			if ((rightPolyFLD->Record (lineRec) == polyRec) || (leftPolyFLD->Record (lineRec) == polyRec))
				{
				lineRecArray [lineNum++] = lineRec;
				vertexNum += lineVertextNumFLD->Int (lineRec);
				extent.Expand (lineExtentFLD->Region (lineRec));
				}
		lineNumFLD->Int (polyRec,lineNum);
		polyExtentFLD->Region (polyRec,extent);
		firstLineFLD->Record (polyRec,lineRecArray [0]);
		firstNodeRec = (rightPolyFLD->Record (lineRecArray [0]) == polyRec) ?
							fromNodeFLD->Record  (lineRecArray [0]) : toNodeFLD->Record(lineRecArray [0]);
		for (lineNum = 1;lineNum < lineNumFLD->Int (polyRec);++lineNum)
			{
			polyDir = (rightPolyFLD->Record (lineRecArray [lineNum - 1]) == polyRec);
			nodeRec = polyDir ?	toNodeFLD->Record  (lineRecArray [lineNum - 1]) :
										fromNodeFLD->Record(lineRecArray [lineNum - 1]);
			for (line = lineNum;line < lineNumFLD->Int (polyRec); ++line)
				if ((nodeRec == fromNodeFLD->Record (lineRecArray [line])) ||
					 (nodeRec == toNodeFLD->Record   (lineRecArray [line]))) break;
			if (line < lineNumFLD->Int (polyRec))
				{
				lineRec = lineRecArray [lineNum];
				lineRecArray [lineNum] = lineRecArray [line];
				lineRecArray [line] = lineRec;
				}
			else
				{
				vertexNum += 1;
				if (nodeRec != firstNodeRec) vertexNum += 1;
				}
			}
		polyDir = (rightPolyFLD->Record (lineRecArray [lineNum - 1]) == polyRec);
		nodeRec = polyDir ?	toNodeFLD->Record  (lineRecArray [lineNum - 1]) :
									fromNodeFLD->Record(lineRecArray [lineNum - 1]);
		polyVertexNumFLD->Int (polyRec,vertexNum + lineNum + 1 + (nodeRec != firstNodeRec ? 1 : 0));
		for (lineNum = 1;lineNum < lineNumFLD->Int (polyRec);++lineNum)
			{
			if (rightPolyFLD->Record  (lineRecArray [lineNum - 1]) == polyRec)
					nextLineFLD->Record (lineRecArray [lineNum - 1],lineRecArray [lineNum]);
			else	prevLineFLD->Record (lineRecArray [lineNum - 1],lineRecArray [lineNum]);
			}
		if (rightPolyFLD->Record  (lineRecArray [lineNum - 1]) == polyRec)
				nextLineFLD->Record (lineRecArray [lineNum - 1],lineRecArray [0]);
		else	prevLineFLD->Record (lineRecArray [lineNum - 1],lineRecArray [0]);
		}
	free (lineRecArray);
	return (DBSuccess);
	}
开发者ID:amiara,项目名称:RGIS,代码行数:93,代码来源:DBImpARCPoly.C

示例2: RGISAnalysePointSTNPointsCBK


//.........这里部分代码省略.........
								XmNbottomAttachment,		XmATTACH_FORM,
								XmNbottomOffset,			10,
								XmNrowColumnType,			XmMENU_OPTION,
								XmNlabelString,			string,
								XmNsubMenuId,				menu,
								NULL);
		XmStringFree (string);
		XtAddCallback (UIDialogFormGetOkButton (dShell),XmNactivateCallback,(XtCallbackProc) UIAuxSetBooleanTrueCBK,&cont);
		XtSetSensitive (UIDialogFormGetOkButton (dShell),true);
		}

	dataset = UIDataset ();
	dbData = dataset->Data ();
	table = dbData->Table (DBrNItems);
	XtVaSetValues (srcTextF,XmNuserData,table->Fields (),NULL);
	XtVaSetValues (dstTextF,XmNuserData,table->Fields (),NULL);
	XtVaSetValues (cmpTextF,XmNuserData,table->Fields (),NULL);
	XtVaSetValues (errTextF,XmNuserData,table->Fields (),NULL);
	UIDialogFormPopup (dShell);
	cont = false;
	while (UILoop ())
		{
		if ((strlen (srcText = XmTextFieldGetString (srcTextF)) > 0) &&
			 ((field = table->Field (srcText)) != (DBObjTableField *) NULL))
				XtSetSensitive (UIDialogFormGetOkButton (dShell),True);
		else	XtSetSensitive (UIDialogFormGetOkButton (dShell),False);
		XtFree (srcText);
		if ((strlen (srcText = XmTextFieldGetString (cmpTextF)) > 0) &&
			 ((field = table->Field (srcText)) != (DBObjTableField *) NULL))
			{
			XtSetSensitive (button,True);
			XtSetSensitive (errTextF,True);
			XtSetSensitive (menu,True);
			}
		else
			{
			XmTextFieldSetString (errTextF,(char *) "");
			XtSetSensitive (button,False);
			XtSetSensitive (errTextF,False);
			XtSetSensitive (menu,False);
			}
		XtFree (srcText);
		}
	UIDialogFormPopdown (dShell);
	if (cont)
		{
		char dataName [DBDataNameLen + 5];
		DBObjData *netData = dbData->LinkedData ();

		sprintf (dataName,"%s STN",dbData->Name ());
		dbData = new DBObjData (*dbData);
		dbData->Name (dataName);
		if (UIDataHeaderForm (dbData))
			{
			char *dstText;
			DBObjTable *groups;
			DBObjRecord *pointRec;

			srcText = XmTextFieldGetString (srcTextF);
			dbData->LinkedData (netData);
			table = dbData->Table (DBrNItems);
			groups = dbData->Table (DBrNGroups);
			for (pointRec = table->First ();pointRec != (DBObjRecord *) NULL;pointRec = table->Next ())
				if ((pointRec->Flags () & DBObjectFlagIdle) == DBObjectFlagIdle)
					{
					if (groups != (DBObjTable *) NULL)
						groups->Delete (groups->Item (pointRec->RowID ()));
					table->Delete (pointRec);
					pointRec = table->Next (DBBackward);
					}

			field = table->Field (srcText);
			XtFree (srcText);
			RGlibPointSTNCoordinates (dbData,field);
			UIPauseDialogOpen ((char *) "Moving Points");
			RGlibPointSTNCharacteristics (dbData);
			UIPauseDialogClose ();
			srcText = XmTextFieldGetString (srcTextF);
			if (strlen (dstText = XmTextFieldGetString (dstTextF)) > 0)
				{
				srcText = XmTextFieldGetString (srcTextF);
				RGlibGenFuncTopoSubtract (table,RGlibNextStation,srcText,dstText);
				XtFree (dstText);
				}
			if (strlen (dstText = XmTextFieldGetString (errTextF)) > 0)
				{
				char *cmpText;
				srcText = XmTextFieldGetString (srcTextF);
				cmpText = XmTextFieldGetString (cmpTextF);
				RGlibGenFuncFieldCompare (table,srcText,cmpText,dstText,diffMethod);
				XtFree (dstText);
				XtFree (cmpText);
				}
			XtFree (srcText);
			UI2DViewRedrawAll ();
			workspace->CurrentData (dbData);
			}
		else delete dbData;
		}
	}
开发者ID:gyelnats,项目名称:RGIS,代码行数:101,代码来源:RGISAnPoint.C


注:本文中的DBObjTable::Delete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。