本文整理汇总了C++中DBObjTableField::Region方法的典型用法代码示例。如果您正苦于以下问题：C++ DBObjTableField::Region方法的具体用法？C++ DBObjTableField::Region怎么用？C++ DBObjTableField::Region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::Region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: 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);
}
}示例2: 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.........
示例3: 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);
}