/*!
\brief Load geometry (point layers)
\return number of invalid features
*/
int VFKDataBlockSQLite::LoadGeometryPoint()
{
int nInvalid, rowId, nGeometries;
bool bSkipInvalid;
/* long iFID; */
double x, y;
CPLString osSQL;
sqlite3_stmt *hStmt;
VFKFeatureSQLite *poFeature;
VFKReaderSQLite *poReader;
nInvalid = nGeometries = 0;
poReader = (VFKReaderSQLite*) m_poReader;
if (LoadGeometryFromDB()) /* try to load geometry from DB */
return 0;
bSkipInvalid = EQUAL(m_pszName, "OB") || EQUAL(m_pszName, "OP") || EQUAL(m_pszName, "OBBP");
osSQL.Printf("SELECT SOURADNICE_Y,SOURADNICE_X,%s,rowid FROM %s",
FID_COLUMN, m_pszName);
hStmt = poReader->PrepareStatement(osSQL.c_str());
if (poReader->IsSpatial())
poReader->ExecuteSQL("BEGIN");
while(poReader->ExecuteSQL(hStmt) == OGRERR_NONE) {
/* read values */
x = -1.0 * sqlite3_column_double(hStmt, 0); /* S-JTSK coordinate system expected */
y = -1.0 * sqlite3_column_double(hStmt, 1);
#ifdef DEBUG
const long iFID = sqlite3_column_double(hStmt, 2);
#endif
rowId = sqlite3_column_int(hStmt, 3);
poFeature = (VFKFeatureSQLite *) GetFeatureByIndex(rowId - 1);
CPLAssert(NULL != poFeature && poFeature->GetFID() == iFID);
/* create geometry */
OGRPoint pt(x, y);
if (!poFeature->SetGeometry(&pt)) {
nInvalid++;
continue;
}
/* store also geometry in DB */
if (poReader->IsSpatial() &&
SaveGeometryToDB(&pt, rowId) != OGRERR_FAILURE)
nGeometries++;
}
/* update number of geometries in VFK_DB_TABLE table */
UpdateVfkBlocks(nGeometries);
if (poReader->IsSpatial())
poReader->ExecuteSQL("COMMIT");
return bSkipInvalid ? 0 : nInvalid;
}
/*!
\brief Load geometry (point layers)
\return number of invalid features
*/
int VFKDataBlockDB::LoadGeometryPoint()
{
int nInvalid, rowId, nGeometries;
bool bSkipInvalid;
/* long iFID; */
double x, y;
CPLString osSQL;
VFKFeatureDB *poFeature;
VFKReaderDB *poReader;
nInvalid = nGeometries = 0;
poReader = (VFKReaderDB*) m_poReader;
if (LoadGeometryFromDB()) /* try to load geometry from DB */
return 0;
bSkipInvalid = EQUAL(m_pszName, "OB") || EQUAL(m_pszName, "OP") || EQUAL(m_pszName, "OBBP");
osSQL.Printf("SELECT SOURADNICE_Y,SOURADNICE_X,%s,rowid FROM %s",
FID_COLUMN, m_pszName);
if (poReader->IsSpatial())
poReader->ExecuteSQL("BEGIN");
std::vector<VFKDbValue> record;
record.push_back(VFKDbValue(DT_DOUBLE));
record.push_back(VFKDbValue(DT_DOUBLE));
record.push_back(VFKDbValue(DT_BIGINT));
record.push_back(VFKDbValue(DT_INT));
poReader->PrepareStatement(osSQL.c_str());
while(poReader->ExecuteSQL(record) == OGRERR_NONE && record.size() > 0) {
/* read values */
x = -1.0 * (double) record[0]; /* S-JTSK coordinate system expected */
y = -1.0 * (double) record[1];
#ifdef DEBUG
const GIntBig iFID = (GIntBig) record[2];
#endif
rowId = (int) record[3];
poFeature = (VFKFeatureDB *) GetFeatureByIndex(rowId - 1);
CPLAssert(NULL != poFeature && poFeature->GetFID() == iFID);
/* create geometry */
OGRPoint pt(x, y);
if (!poFeature->SetGeometry(&pt)) {
nInvalid++;
continue;
}
/* store also geometry in DB */
if (poReader->IsSpatial() &&
SaveGeometryToDB(&pt, rowId) != OGRERR_FAILURE)
nGeometries++;
}
/* update number of geometries in VFK_DB_TABLE table */
UpdateVfkBlocks(nGeometries);
if (poReader->IsSpatial())
poReader->ExecuteSQL("COMMIT");
return bSkipInvalid ? 0 : nInvalid;
}
/*!
\brief Load geometry (polygon BUD/PAR layers)
\return number of invalid features
*/
int VFKDataBlockDB::LoadGeometryPolygon()
{
int nInvalidNoLines, nInvalidNoRings, nGeometries, nBridges;
int rowId, nCount, nCountMax;
size_t nLines;
GIntBig iFID;
bool bIsPar, bNewRing, bFound;
CPLString osSQL;
const char *vrColumn[2];
GUIntBig vrValue[2];
GUIntBig id, idOb;
sqlite3_stmt *hStmt;
VFKReaderDB *poReader;
VFKDataBlockDB *poDataBlockLines1, *poDataBlockLines2;
VFKFeatureDB *poFeature;
VFKFeatureDBList poLineList;
/* first is to be considered as exterior */
PointListArray poRingList;
std::vector<OGRLinearRing *> poLinearRingList;
OGRPolygon ogrPolygon;
OGRLinearRing *poOgrRing;
nInvalidNoLines = nInvalidNoRings = nGeometries = 0;
poReader = (VFKReaderDB*) m_poReader;
if (EQUAL (m_pszName, "PAR")) {
poDataBlockLines1 = (VFKDataBlockDB *) m_poReader->GetDataBlock("HP");
poDataBlockLines2 = poDataBlockLines1;
bIsPar = TRUE;
}
else {
poDataBlockLines1 = (VFKDataBlockDB *) m_poReader->GetDataBlock("OB");
poDataBlockLines2 = (VFKDataBlockDB *) m_poReader->GetDataBlock("SBP");
bIsPar = FALSE;
}
if (NULL == poDataBlockLines1) {
CPLError(CE_Warning, CPLE_FileIO,
"Data block %s not found. Unable to build geometry for %s.",
bIsPar ? "HP" : "OB", m_pszName);
return -1;
}
if (NULL == poDataBlockLines2) {
CPLError(CE_Warning, CPLE_FileIO,
"Data block %s not found. Unable to build geometry for %s.",
"SBP", m_pszName);
return -1;
}
poDataBlockLines1->LoadGeometry();
poDataBlockLines2->LoadGeometry();
if (LoadGeometryFromDB()) /* try to load geometry from DB */
return 0;
if (bIsPar) {
vrColumn[0] = "PAR_ID_1";
vrColumn[1] = "PAR_ID_2";
}
else {
vrColumn[0] = "OB_ID";
vrColumn[1] = "PORADOVE_CISLO_BODU";
vrValue[1] = 1;
}
osSQL.Printf("SELECT ID,%s,rowid FROM %s", FID_COLUMN, m_pszName);
if (poReader->IsSpatial())
poReader->ExecuteSQL("BEGIN");
std::vector<VFKDbValue> record;
record.push_back(VFKDbValue(DT_BIGINT));
record.push_back(VFKDbValue(DT_BIGINT));
record.push_back(VFKDbValue(DT_INT));
poReader->PrepareStatement(osSQL.c_str());
while(poReader->ExecuteSQL(record) == OGRERR_NONE) {
nBridges = 0;
/* read values */
id = static_cast<GIntBig> (record[0]);
iFID = static_cast<GIntBig> (record[1]);
rowId = static_cast<int> (record[2]);
poFeature = (VFKFeatureDB *) GetFeatureByIndex(rowId - 1);
CPLAssert(NULL != poFeature && poFeature->GetFID() == iFID);
if (bIsPar) {
vrValue[0] = vrValue[1] = id;
poLineList = poDataBlockLines1->GetFeatures(vrColumn, vrValue, 2);
}
else {
VFKFeatureDB *poLineSbp;
std::vector<VFKFeatureDB *> poLineListOb;
sqlite3_stmt *hStmtOb;
osSQL.Printf("SELECT ID FROM %s WHERE BUD_ID = " CPL_FRMT_GUIB,
poDataBlockLines1->GetName(), id);
if (poReader->IsSpatial()) {
CPLString osColumn;
osColumn.Printf(" AND %s IS NULL", GEOM_COLUMN);
osSQL += osColumn;
}
std::vector<VFKDbValue> record1;
record1.push_back(VFKDbValue(DT_BIGINT));
poReader->PrepareStatement(osSQL.c_str(), 1);
while(poReader->ExecuteSQL(record, 1) == OGRERR_NONE) {
idOb = static_cast<GIntBig> (record[0]);
vrValue[0] = idOb;
poLineSbp = poDataBlockLines2->GetFeature(vrColumn, vrValue, 2);
if (poLineSbp)
poLineList.push_back(poLineSbp);
}
}
nLines = poLineList.size();
if (nLines < 1) {
CPLDebug("OGR-VFK",
"%s: unable to collect rings for polygon fid = %ld (no lines)",
m_pszName, iFID);
nInvalidNoLines++;
continue;
}
/* clear */
ogrPolygon.empty();
poRingList.clear();
/* collect rings from lines */
bFound = FALSE;
nCount = 0;
nCountMax = static_cast<int>(nLines) * 2;
while (poLineList.size() > 0 && nCount < nCountMax) {
bNewRing = !bFound ? TRUE : FALSE;
bFound = FALSE;
int i = 1;
for (VFKFeatureDBList::iterator iHp = poLineList.begin(), eHp = poLineList.end();
iHp != eHp; ++iHp, ++i) {
const OGRLineString *pLine = (OGRLineString *) (*iHp)->GetGeometry();
if (pLine && AppendLineToRing(&poRingList, pLine, bNewRing)) {
bFound = TRUE;
poLineList.erase(iHp);
break;
}
}
nCount++;
}
CPLDebug("OGR-VFK", "%s: fid = %ld nlines = %d -> nrings = %d", m_pszName,
iFID, (int)nLines, (int)poRingList.size());
if (poLineList.size() > 0) {
CPLDebug("OGR-VFK",
"%s: unable to collect rings for polygon fid = %ld",
m_pszName, iFID);
nInvalidNoRings++;
continue;
}
/* build rings */
poLinearRingList.clear();
int i = 1;
for (PointListArray::const_iterator iRing = poRingList.begin(), eRing = poRingList.end();
iRing != eRing; ++iRing) {
OGRPoint *poPoint;
PointList *poList = *iRing;
poLinearRingList.push_back(new OGRLinearRing());
poOgrRing = poLinearRingList.back();
CPLAssert(NULL != poOgrRing);
for (PointList::iterator iPoint = poList->begin(), ePoint = poList->end();
iPoint != ePoint; ++iPoint) {
poPoint = &(*iPoint);
poOgrRing->addPoint(poPoint);
}
i++;
}
/* find exterior ring */
if (poLinearRingList.size() > 1) {
double dArea, dMaxArea;
std::vector<OGRLinearRing *>::iterator exteriorRing;
exteriorRing = poLinearRingList.begin();
dMaxArea = -1.;
for (std::vector<OGRLinearRing *>::iterator iRing = poLinearRingList.begin(),
eRing = poLinearRingList.end(); iRing != eRing; ++iRing) {
poOgrRing = *iRing;
if (!IsRingClosed(poOgrRing))
continue; /* skip unclosed rings */
dArea = poOgrRing->get_Area();
if (dArea > dMaxArea) {
dMaxArea = dArea;
exteriorRing = iRing;
}
}
if (exteriorRing != poLinearRingList.begin()) {
std::swap(*poLinearRingList.begin(), *exteriorRing);
}
}
/* build polygon from rings */
for (std::vector<OGRLinearRing *>::iterator iRing = poLinearRingList.begin(),
eRing = poLinearRingList.end(); iRing != eRing; ++iRing) {
poOgrRing = *iRing;
/* check if ring is closed */
if (IsRingClosed(poOgrRing)) {
ogrPolygon.addRing(poOgrRing);
}
else {
if (poOgrRing->getNumPoints() == 2) {
CPLDebug("OGR-VFK", "%s: Polygon (fid = %ld) bridge removed",
m_pszName, iFID);
nBridges++;
}
else {
CPLDebug("OGR-VFK",
"%s: Polygon (fid = %ld) unclosed ring skipped",
m_pszName, iFID);
}
}
delete poOgrRing;
*iRing = NULL;
}
/* set polygon */
ogrPolygon.setCoordinateDimension(2); /* force 2D */
if (ogrPolygon.getNumInteriorRings() + nBridges != (int) poLinearRingList.size() - 1 ||
!poFeature->SetGeometry(&ogrPolygon)) {
nInvalidNoRings++;
continue;
}
/* store also geometry in DB */
if (poReader->IsSpatial() &&
SaveGeometryToDB(&ogrPolygon, rowId) != OGRERR_FAILURE)
nGeometries++;
}
/* free ring list */
for (PointListArray::iterator iRing = poRingList.begin(), eRing = poRingList.end();
iRing != eRing; ++iRing) {
delete (*iRing);
*iRing = NULL;
}
CPLDebug("OGR-VFK", "%s: nolines = %d norings = %d",
m_pszName, nInvalidNoLines, nInvalidNoRings);
/* update number of geometries in VFK_DB_TABLE table */
UpdateVfkBlocks(nGeometries);
if (poReader->IsSpatial())
poReader->ExecuteSQL("COMMIT");
return nInvalidNoLines + nInvalidNoRings;
}
/*!
\brief Load geometry (linestring HP/DPM layer)
\return number of invalid features
*/
int VFKDataBlockDB::LoadGeometryLineStringHP()
{
int nInvalid, nGeometries;
int rowId;
GIntBig iFID;
CPLString osColumn, osSQL;
const char *vrColumn[2];
GUIntBig vrValue[2];
sqlite3_stmt *hStmt;
OGRGeometry *poOgrGeometry;
VFKReaderDB *poReader;
VFKDataBlockDB *poDataBlockLines;
VFKFeatureDB *poFeature, *poLine;
nInvalid = nGeometries = 0;
poReader = (VFKReaderDB*) m_poReader;
poDataBlockLines = (VFKDataBlockDB *) m_poReader->GetDataBlock("SBP");
if (NULL == poDataBlockLines) {
CPLError(CE_Failure, CPLE_FileIO,
"Data block %s not found.", m_pszName);
return nInvalid;
}
poDataBlockLines->LoadGeometry();
if (LoadGeometryFromDB()) /* try to load geometry from DB */
return 0;
osColumn.Printf("%s_ID", m_pszName);
vrColumn[0] = osColumn.c_str();
vrColumn[1] = "PORADOVE_CISLO_BODU";
vrValue[1] = 1; /* reduce to first segment */
osSQL.Printf("SELECT ID,%s,rowid FROM %s", FID_COLUMN, m_pszName);
/* TODO: handle points in DPM */
if (EQUAL(m_pszName, "DPM"))
osSQL += " WHERE SOURADNICE_X IS NULL";
if (poReader->IsSpatial())
poReader->ExecuteSQL("BEGIN");
std::vector<VFKDbValue> record;
record.push_back(VFKDbValue(DT_BIGINT));
record.push_back(VFKDbValue(DT_BIGINT));
record.push_back(VFKDbValue(DT_INT));
poReader->PrepareStatement(osSQL.c_str());
while(poReader->ExecuteSQL(record) == OGRERR_NONE) {
/* read values */
vrValue[0] = static_cast<GIntBig> (record[0]);
iFID = static_cast<GIntBig> (record[1]);
rowId = static_cast<int> (record[2]);
poFeature = (VFKFeatureDB *) GetFeatureByIndex(rowId - 1);
CPLAssert(NULL != poFeature && poFeature->GetFID() == iFID);
poLine = poDataBlockLines->GetFeature(vrColumn, vrValue, 2, TRUE);
if (!poLine) {
poOgrGeometry = NULL;
}
else {
poOgrGeometry = poLine->GetGeometry();
}
if (!poOgrGeometry || !poFeature->SetGeometry(poOgrGeometry)) {
CPLDebug("OGR-VFK", "VFKDataBlockDB::LoadGeometryLineStringHP(): name=%s fid=%ld "
"id=" CPL_FRMT_GUIB " -> %s geometry", m_pszName, iFID, vrValue[0],
poOgrGeometry ? "invalid" : "empty");
nInvalid++;
continue;
}
/* store also geometry in DB */
if (poReader->IsSpatial() &&
SaveGeometryToDB(poOgrGeometry, rowId) != OGRERR_FAILURE &&
poOgrGeometry)
nGeometries++;
}
/* update number of geometries in VFK_DB_TABLE table */
UpdateVfkBlocks(nGeometries);
if (poReader->IsSpatial())
poReader->ExecuteSQL("COMMIT");
return nInvalid;
}
/*!
\brief Set geometry for linestrings
\param poLine VFK feature
\param oOGRLine line geometry
\param[in,out] bValid TRUE when feature's geometry is valid
\param[in,out] rowIdFeat list of row ids which forms linestring
\param[in,out] nGeometries number of features with valid geometry
*/
bool VFKDataBlockDB::SetGeometryLineString(VFKFeatureDB *poLine, OGRLineString *oOGRLine,
bool& bValid, const char *ftype,
std::vector<int>& rowIdFeat, int& nGeometries)
{
int npoints;
VFKReaderDB *poReader;
poReader = (VFKReaderDB*) m_poReader;
oOGRLine->setCoordinateDimension(2); /* force 2D */
/* check also VFK validity */
if (bValid) {
/* Feature types
- '3' - line (2 points)
- '4' - linestring (at least 2 points)
- '11' - curve (at least 2 points)
- '15' - circle (3 points)
- '15 r' - circle (center point & radius)
- '16' - arc (3 points)
*/
npoints = oOGRLine->getNumPoints();
if (EQUAL(ftype, "3") && npoints > 2) {
/* be less pedantic, just inform user about data
* inconsistency
bValid = FALSE;
*/
CPLDebug("OGR-VFK",
"Line (fid=" CPL_FRMT_GIB ") defined by more than two vertices",
poLine->GetFID());
}
else if (EQUAL(ftype, "11") && npoints < 2) {
bValid = FALSE;
CPLError(CE_Warning, CPLE_AppDefined,
"Curve (fid=" CPL_FRMT_GIB ") defined by less than two vertices",
poLine->GetFID());
}
else if (EQUAL(ftype, "15") && npoints != 3) {
bValid = FALSE;
CPLError(CE_Warning, CPLE_AppDefined,
"Circle (fid=" CPL_FRMT_GIB ") defined by invalid number of vertices (%d)",
poLine->GetFID(), oOGRLine->getNumPoints());
}
else if (strlen(ftype) > 2 && STARTS_WITH_CI(ftype, "15") && npoints != 1) {
bValid = FALSE;
CPLError(CE_Warning, CPLE_AppDefined,
"Circle (fid=" CPL_FRMT_GIB ") defined by invalid number of vertices (%d)",
poLine->GetFID(), oOGRLine->getNumPoints());
}
else if (EQUAL(ftype, "16") && npoints != 3) {
bValid = FALSE;
CPLError(CE_Warning, CPLE_AppDefined,
"Arc (fid=" CPL_FRMT_GIB ") defined by invalid number of vertices (%d)",
poLine->GetFID(), oOGRLine->getNumPoints());
}
}
/* set geometry (NULL for invalid features) */
if (bValid) {
if (!poLine->SetGeometry(oOGRLine, ftype)) {
bValid = FALSE;
}
}
else {
poLine->SetGeometry(NULL);
}
/* update fid column */
UpdateFID(poLine->GetFID(), rowIdFeat);
/* store also geometry in DB */
CPLAssert(0 != rowIdFeat.size());
if (bValid && poReader->IsSpatial() &&
SaveGeometryToDB(bValid ? poLine->GetGeometry() : NULL,
rowIdFeat[0]) != OGRERR_FAILURE)
nGeometries++;
rowIdFeat.clear();
oOGRLine->empty(); /* restore line */
return bValid;
}
/*!
\brief Load geometry (linestring HP/DPM layer)
\return number of invalid features
*/
int VFKDataBlockSQLite::LoadGeometryLineStringHP()
{
int nInvalid = 0;
VFKReaderSQLite *poReader = (VFKReaderSQLite*) m_poReader;
VFKDataBlockSQLite *poDataBlockLines =
(VFKDataBlockSQLite *) m_poReader->GetDataBlock("SBP");
if (NULL == poDataBlockLines) {
CPLError(CE_Failure, CPLE_FileIO,
"Data block %s not found.", m_pszName);
return nInvalid;
}
poDataBlockLines->LoadGeometry();
if (LoadGeometryFromDB()) /* try to load geometry from DB */
return 0;
CPLString osColumn;
osColumn.Printf("%s_ID", m_pszName);
const char *vrColumn[2] = {
osColumn.c_str(),
"PORADOVE_CISLO_BODU"
};
GUIntBig vrValue[2] = { 0, 1 }; // Reduce to first segment.
CPLString osSQL;
osSQL.Printf("SELECT ID,%s,rowid FROM %s", FID_COLUMN, m_pszName);
/* TODO: handle points in DPM */
if (EQUAL(m_pszName, "DPM"))
osSQL += " WHERE SOURADNICE_X IS NULL";
sqlite3_stmt *hStmt = poReader->PrepareStatement(osSQL.c_str());
if (poReader->IsSpatial())
poReader->ExecuteSQL("BEGIN");
int nGeometries = 0;
while( poReader->ExecuteSQL(hStmt) == OGRERR_NONE )
{
/* read values */
vrValue[0] = sqlite3_column_int64(hStmt, 0);
const long iFID = static_cast<long>(sqlite3_column_int64(hStmt, 1));
const int rowId = sqlite3_column_int(hStmt, 2);
VFKFeatureSQLite *poFeature =
(VFKFeatureSQLite *) GetFeatureByIndex(rowId - 1);
CPLAssert(NULL != poFeature && poFeature->GetFID() == iFID);
VFKFeatureSQLite *poLine =
poDataBlockLines->GetFeature(vrColumn, vrValue, 2, TRUE);
OGRGeometry *poOgrGeometry = NULL;
if( !poLine )
{
poOgrGeometry = NULL;
}
else
{
poOgrGeometry = poLine->GetGeometry();
}
if (!poOgrGeometry || !poFeature->SetGeometry(poOgrGeometry)) {
CPLDebug("OGR-VFK", "VFKDataBlockSQLite::LoadGeometryLineStringHP(): name=%s fid=%ld "
"id=" CPL_FRMT_GUIB " -> %s geometry", m_pszName, iFID, vrValue[0],
poOgrGeometry ? "invalid" : "empty");
nInvalid++;
continue;
}
/* store also geometry in DB */
if (poReader->IsSpatial() &&
SaveGeometryToDB(poOgrGeometry, rowId) != OGRERR_FAILURE &&
poOgrGeometry)
nGeometries++;
}
/* update number of geometries in VFK_DB_TABLE table */
UpdateVfkBlocks(nGeometries);
if (poReader->IsSpatial())
poReader->ExecuteSQL("COMMIT");
return nInvalid;
}