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);
}
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)
{
if ((dataRec = new DBObjRecord ("LineData",0,sizeof (DBFloat))) == (DBObjRecord *) NULL) return (DBFault);
data->Add (dataRec);
}
dataRec->Realloc ((arcRecord.NumOfPnts () - 2) * sizeof (DBCoordinate));
if ((vertexes = (DBCoordinate *) dataRec->Data ()) == NULL)
{ CMmsgPrint (CMmsgSysError, "Memory Allocation Error in: %s %d",__FILE__,__LINE__); return (DBFault); }
if (floatCov)
for (vertex = 0;vertex < arcRecord.NumOfPnts () - 2;++vertex)
{
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); }
vertexes [vertex].X = (DBFloat) floatVAR [0];
vertexes [vertex].Y = (DBFloat) floatVAR [1];
dataExtent.Expand (vertexes [vertex]);
itemExtent.Expand (vertexes [vertex]);
}
else
for (vertex = 0;vertex < arcRecord.NumOfPnts () - 2;++vertex)
{
if (fread (vertexes + vertex,sizeof (DBCoordinate),1,inFile) != 1)
{ CMmsgPrint (CMmsgSysError, "File Reading Error in: %s %d",__FILE__,__LINE__); return (DBFault); }
if (swap) vertexes [vertex].Swap ();
dataExtent.Expand (vertexes [vertex]);
itemExtent.Expand (vertexes [vertex]);
}
vertexesFLD->Record (lineRec,dataRec);
}
else vertexesFLD->Record (lineRec,(DBObjRecord *) NULL);
vertexNumFLD->Int (lineRec,arcRecord.NumOfPnts () - 2);
while (arcRecord.ToNode () > 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.ToNode () - 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 (CMmsgAppError, "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 (CMmsgAppError, "File Reading Error in: %s %d",__FILE__,__LINE__); return (DBFault); }
if (swap) nodeCoord.Swap ();
}
itemExtent.Expand (nodeCoord);
coordFLD->Coordinate (nodeRec,nodeCoord);
linkNumFLD->Int (nodeRec,linkNumFLD->Int (nodeRec) + 1);
toNodeFLD->Record (lineRec,nodeRec);
extentFLD->Region (lineRec,itemExtent);
}
fclose (inFile);
vertexesFLD->RecordProp ((DBInt) sizeof (DBFloat));
vecData->Extent (dataExtent);
vecData->Projection (DBMathGuessProjection (dataExtent));
return (DBSuccess);
}
DBInt DBByteOrder (DBInt byteOrder)
{ return (byteOrder == DBByteOrder () ? true : false); }