bool SelectionBase::ExpressionPart::match(const SPFeatureI &feature,SelectionBase *operation) const
{
if ( _type == ExpressionPart::ptFEATURETYPE){
return hasType(feature->geometryType(), _geometryType);
}
if ( _type == ExpressionPart::ptENVELOPE && _envelope.isValid()) {
return _envelope.contains(feature->geometry().get());
}
if ( _type == ExpressionPart::ptPOLYGON && _polygon.get() != 0) {
return _polygon->contains(feature->geometry().get());
}
if ( _type == ExpressionPart::ptATTRIBUTESELECTION ) {
QVariant val = feature(_leftSide);
ColumnDefinition coldef = feature->attributedefinition(_leftSide);
if ( coldef.datadef().domain()->ilwisType() == itITEMDOMAIN){
val = coldef.datadef().domain()->impliedValue(val);
}
if ( QString(val.typeName()) == "QString" && QString(_rightSide.typeName()) == "QString"){
return operation->compare1(_operator,val.toString(), _rightSide.toString());
} else {
bool ok1,ok2;
double v1 = val.toDouble(&ok1);
double v2 = _rightSide.toDouble(&ok2);
bool ok3 = operation->compare2(_operator, v1, v2, true);
return ok1&& ok2 && ok3;
}
}
return false;
}
FeatureDrawing SimplePointSetter::setSpatialAttributes(const SPFeatureI &feature, QVector<QVector3D> &vertices, QVector<QVector3D> &) const
{
Envelope env = _rootDrawer->attribute("coverageenvelope").value<Envelope>();
double size = env.xlength() / 150.0;
const UPGeometry& geometry = feature->geometry();
int n = geometry->getNumGeometries();
FeatureDrawing drawing(itPOINT);
for(int geom = 0; geom < n; ++geom ){
const geos::geom::Geometry *subgeom = geometry->getGeometryN(geom);
if (!subgeom)
continue;
const geos::geom::Coordinate *crd = subgeom->getCoordinate();
Coordinate coord = *crd;
if ( coordinateConversionNeeded()){
coord = _targetSystem->coord2coord(_sourceSystem, *crd);
}
drawing._indices.push_back(VertexIndex(vertices.size(),5,GL_LINE_STRIP,feature->featureid()));
double z = coord.z == rUNDEF || std::isnan(coord.z)? 0 : coord.z;
vertices.push_back(QVector3D(coord.x + size, coord.y + size, z));
vertices.push_back(QVector3D(coord.x - size, coord.y + size, z));
vertices.push_back(QVector3D(coord.x - size, coord.y - size, z));
vertices.push_back(QVector3D(coord.x + size, coord.y - size, z));
vertices.push_back(QVector3D(coord.x + size, coord.y + size, z));
drawing._center = QVector3D(coord.x, coord.y, coord.z);
}
return drawing;
}
bool PostgresqlFeatureCoverageLoader::loadData(FeatureCoverage *fcoverage) const
{
//qDebug() << "PostgresqlFeatureCoverageLoader::loadData()";
ITable table;
PostgresqlDatabaseUtil pgUtil(_resource,_options);
Resource tableResource = pgUtil.resourceForType(itFLATTABLE);
table.prepare(tableResource, _options);
PostgresqlTableLoader tableLoader(table->source(), _options);
if (!tableLoader.loadData(table.ptr())) {
ERROR1("Could not load table data for table '%1'", table->name());
return false;
}
// metadata already set it to correct number, creating new features will up the count agains; so reset to 0.
fcoverage->setFeatureCount(itFEATURE, iUNDEF, FeatureInfo::ALLFEATURES);
QList<MetaGeometryColumn> metaGeometries;
pgUtil.getMetaForGeometryColumns(metaGeometries);
QSqlQuery query = pgUtil.doQuery(selectGeometries(metaGeometries), "featurecoverageloader");
quint32 geometriesPerFeature = metaGeometries.size();
IDomain semantics;
pgUtil.prepareSubFeatureSemantics(semantics, metaGeometries);
while (query.next()) {
if (geometriesPerFeature == 0) {
fcoverage->newFeature(0);
} else {
// index 0 is root, indeces > 0 are subfeatures of root
bool atRoot = true;
SPFeatureI rootFeature;
// iterate semantics to keep predefined order
ItemRangeIterator iter(semantics->range<>().data());
while (iter.isValid()) {
QString geomName = (*iter)->name();
ICoordinateSystem crs;
std::for_each(metaGeometries.begin(), metaGeometries.end(), [&crs,geomName](MetaGeometryColumn c) {
if (c.geomColumn == geomName) {
crs = c.crs;
}
});
if (atRoot) {
atRoot = false;
geos::geom::Geometry *rootGeometry = createGeometry(query, geomName, crs);
rootFeature = fcoverage->newFeature(rootGeometry, false);
} else {
geos::geom::Geometry *subGeometry = createGeometry(query, geomName, crs);
rootFeature->createSubFeature(geomName,subGeometry);
}
++iter;
}
}
}
fcoverage->attributesFromTable(table);
return true;
}
FeatureDrawing SimplePolygonSetter::setSpatialAttributes(const SPFeatureI &feature, QVector<QVector3D> &vertices, QVector<QVector3D> &normals) const
{
IlwisTesselator tesselator;
const UPGeometry& geometry = feature->geometry();
int n = geometry->getNumGeometries();
FeatureDrawing drawing(itPOLYGON);
for(int geom = 0; geom < n; ++geom ){
const geos::geom::Geometry *subgeom = geometry->getGeometryN(geom);
if (!subgeom)
continue;
tesselator.tesselate(_targetSystem,_sourceSystem, subgeom,feature->featureid(), vertices, drawing._indices);
}
return drawing;
}
bool FeatureConnector::loadBinaryPolygons30(FeatureCoverage *fcoverage, ITable& tbl) {
BinaryIlwis3Table polTable;
if ( !polTable.load(_odf)) {
return ERROR1(ERR_COULD_NOT_OPEN_READING_1,_odf->fileinfo().fileName()) ;
}
BinaryIlwis3Table topTable;
if ( !topTable.load(_odf,"top")) {
return ERROR1(ERR_COULD_NOT_OPEN_READING_1,_odf->fileinfo().fileName()) ;
}
qint32 colValue = polTable.index("PolygonValue");
qint32 colTopStart = polTable.index("TopStart");
qint32 colArea = polTable.index("Area");
int nrPolygons = polTable.rows();
bool isNumeric = _odf->value("BaseMap","Range") != sUNDEF;
double v;
for(int i = 0; i < nrPolygons; ++i) {
polTable.get(i,colArea, v);
if ( v < 0)
continue;
polTable.get(i,colTopStart,v);
qint32 index = v;
std::vector<std::vector<Coordinate2d>> rings;
if (getRings(index, topTable, polTable, rings)) {
if ( rings.size() == 0)
continue;
Polygon polygon;
polygon.outer().resize(rings[0].size());
std::copy(rings[0].begin(), rings[0].end(), polygon.outer().begin());
for(int j = 1; j < rings.size(); ++j) {
polygon.inners()[j-1].resize(rings[j].size());
std::copy(rings[j].begin(), rings[j].end(), polygon.inners()[j-1].begin());
}
polTable.get(i, colValue, v);
if ( isNumeric) {
tbl->cell(COVERAGEKEYCOLUMN, i, QVariant(i));
tbl->cell(FEATUREVALUECOLUMN, i, QVariant(v));
fcoverage->newFeature({polygon});
} else {
quint32 itemId = v;
tbl->cell(COVERAGEKEYCOLUMN, i, QVariant(itemId));
SPFeatureI feature = fcoverage->newFeature({polygon});
tbl->cell(FEATUREIDCOLUMN, i, QVariant(feature->featureid()));
}
}
}
return true;
}
bool GdalFeatureConnector::store(IlwisObject *obj, const IOOptions& )
{
if (!loadDriver())
return false;
IFeatureCoverage coverage;
coverage.set(static_cast<FeatureCoverage *>(obj));
std::vector<SourceHandles> datasources(3);
std::vector<bool> validAttributes;
if(!setDataSourceAndLayers(coverage, datasources, validAttributes))
return false;
std::vector<ColumnDefinition> defs;
for(int i=0; i < coverage->attributeTable()->columnCount(); ++i){
defs.push_back(coverage->attributeTable()->columndefinition(i));
}
FeatureIterator fiter(coverage);
FeatureIterator endIter = end(coverage);
for(; fiter != endIter; ++fiter) {
SPFeatureI feature = *fiter;
IlwisTypes geomType = feature->geometryType();
if ( geomType != 0){
OGRLayerH lyr = datasources[ilwisType2Index(geomType)]._layers[0];
OGRFeatureH hfeature = gdal()->createFeature(gdal()->getLayerDef(lyr));
if (hfeature) {
setAttributes(hfeature, feature, validAttributes, defs);
const geos::geom::Geometry* geometry = feature->geometry().get();
if (gdal()->setGeometryDirectly(hfeature,createFeature(geometry)) != OGRERR_NONE)
ERROR2(ERR_COULD_NOT_ALLOCATE_2, TR("geometry"), _filename.toString());
if (gdal()->addFeature2Layer(lyr, hfeature) != OGRERR_NONE) {
ERROR2(ERR_COULD_NOT_ALLOCATE_2, TR("feature"), _filename.toString());
}
gdal()->destroyFeature(hfeature);
};
}
}
for(auto& datasource : datasources){
if ( datasource._source != 0)
gdal()->destroyDataSource(datasource._source);
}
return true;
}
bool FeatureConnector::loadBinaryPolygons37(FeatureCoverage *fcoverage, ITable& tbl) {
QString datafile = _odf->value("PolygonMapStore","DataPol");
datafile = context()->workingCatalog()->filesystemLocation().toLocalFile() + "/" + datafile;
QFile file(datafile);
if (!file.exists()){
kernel()->issues()->log(TR(ERR_MISSING_DATA_FILE_1).arg(file.fileName()));
return false;
}
if(!file.open(QIODevice::ReadOnly )){
kernel()->issues()->log(TR(ERR_COULD_NOT_OPEN_READING_1).arg(file.fileName()));
return false;
}
QDataStream stream(&file);
int nrPolygons = fcoverage->featureCount(itPOLYGON);
SPAttributeRecord record( new AttributeRecord(tbl,FEATUREIDCOLUMN));
bool isNumeric = _odf->value("BaseMap","Range") != sUNDEF;
for(int j=0; j < nrPolygons; ++j) {
Polygon pol;
readRing(stream, pol.outer());
double value;
quint32 numberOfHoles;
stream.readRawData((char *)&value, 8);
stream.readRawData((char *)&numberOfHoles, 4);
pol.inners().resize(numberOfHoles);
for(quint32 i=0; i< numberOfHoles;++i)
readRing(stream, pol.inners()[i]);
if ( isNumeric) {
tbl->cell(COVERAGEKEYCOLUMN, j, QVariant(j));
tbl->cell(FEATUREVALUECOLUMN, j, QVariant(value));
SPFeatureI feature = fcoverage->newFeature({pol});
tbl->cell(FEATUREIDCOLUMN, j, QVariant(feature->featureid()));
} else {
quint32 itemId = value;
tbl->cell(COVERAGEKEYCOLUMN, j, QVariant(itemId));
SPFeatureI feature = fcoverage->newFeature({pol});
tbl->cell(FEATUREIDCOLUMN, j, QVariant(feature->featureid()));
}
}
file.close();
return true;
}
SPFeatureI FeatureCoverage::newFeatureFrom(const SPFeatureI& existingFeature) {
Locker lock(_mutex);
if ( existingFeature.isNull() || existingFeature->isValid() == false)
return SPFeatureI();
SPFeatureI newFeature = new Feature(this);
for(int i=0; i < existingFeature->trackSize(); ++i)
newFeature->set(existingFeature->geometry(),i);
_features.push_back(newFeature);
quint32 cnt = featureCount(newFeature->ilwisType());
setFeatureCount(newFeature->ilwisType(),++cnt );
return _features.back();
}
void GdalFeatureConnector::setAttributes(OGRFeatureH hfeature, SPFeatureI& feature, const std::vector<bool>& validAttributes, const std::vector<ColumnDefinition>& columnDef) {
int index = 0;
for(int i=0; i < feature->attributeColumnCount(); ++i){
if ( !validAttributes[i])
continue;
IDomain dom = columnDef[i].datadef().domain<>();
if(hasType(dom->valueType(),itINTEGER)) {
gdal()->setIntegerAttribute(hfeature,index,feature->cell(i).toInt());
} else if (hasType(dom->valueType(),itDOUBLE | itFLOAT)) {
gdal()->setDoubleAttribute(hfeature,index,feature->cell(i).toDouble());
} else if (hasType(dom->valueType(),itTHEMATICITEM | itNAMEDITEM | itINDEXEDITEM | itNUMERICITEM | itTIMEITEM)) {
gdal()->setStringAttribute(hfeature,index,dom->impliedValue(feature->cell(i)).toString().toLocal8Bit());
} else if (hasType(dom->valueType(), itDATETIME)) {
QVariant v = feature->cell(i);
if ( QString(v.typeName()).compare("Ilwis::Time") != 0){
ERROR2(ERR_COULD_NOT_CONVERT_2,v.toString(), "time");
gdal()->setDateTimeAttribute(hfeature,index,0,0,0,0,0,0,0);
}else{
Time time = v.value<Ilwis::Time>();
gdal()->setDateTimeAttribute(hfeature,index,
time.get(Time::tpYEAR),
time.get(Time::tpMONTH),
time.get(Time::tpDAYOFMONTH),
time.get(Time::tpHOUR),
time.get(Time::tpMINUTE),
time.get(Time::tpSECOND),
0);//TODO TimeZone??
}
} else if (hasType(dom->valueType(),itSTRING)){
gdal()->setStringAttribute(hfeature,index,feature->cell(i).toString().toLocal8Bit());
}
++index;
}
}
bool FeatureConnector::loadBinarySegments(FeatureCoverage *fcoverage) {
BinaryIlwis3Table mpsTable;
if ( !mpsTable.load(_odf)) {
return ERROR1(ERR_COULD_NOT_OPEN_READING_1,_odf->fileinfo().fileName()) ;
}
int colCoords = mpsTable.index("Coords");
int colItemId = mpsTable.index("SegmentValue");
bool isNumeric = _odf->value("BaseMap","Range") != sUNDEF;
ITable tbl = fcoverage->attributeTable();
// if ( isNumeric) // in other case nr of record already has been set as it is based on a real table
// tbl->setRows(mpsTable.rows());
double value;
for(quint32 i= 0; i < mpsTable.rows(); ++i) {
std::vector<Coordinate > coords;
mpsTable.get(i,colCoords,coords);
Line2D<Coordinate2d > line;
line.resize(coords.size());
std::copy(coords.begin(), coords.end(), line.begin());
mpsTable.get(i, colItemId,value);
if ( isNumeric) {
tbl->cell(COVERAGEKEYCOLUMN, i, QVariant(i));
tbl->cell(FEATUREVALUECOLUMN, i, QVariant(value));
SPFeatureI feature = fcoverage->newFeature({line});
tbl->cell(FEATUREIDCOLUMN, i, QVariant(feature->featureid()));
} else {
quint32 itemId = value;
tbl->cell(COVERAGEKEYCOLUMN, i, QVariant(itemId));
SPFeatureI feature = fcoverage->newFeature({line});
tbl->cell(FEATUREIDCOLUMN, i, QVariant(feature->featureid()));
}
}
return true;
}
void Polygon2Line::extractBoundary(const UPGeometry& g, quint32& record){
const geos::geom::Geometry *geom1 = g.get();
std::vector<geos::geom::CoordinateSequence *> coords = GeometryHelper::geometry2coords(geom1);
geos::geom::Geometry *geometry;
if ( coords.size() == 1)
geometry = _outputfeatures->geomfactory()->createLineString(coords[0]);
else if ( coords.size() > 1){
std::vector<geos::geom::Geometry *> lines;
for(int i=0; i < coords.size(); ++i)
lines.push_back(_outputfeatures->geomfactory()->createLineString(coords[i]));
geometry = _outputfeatures->geomfactory()->createMultiLineString(lines);
}
if ( geometry){
SPFeatureI outfeature = _outputfeatures->newFeature(geometry);
if (_singleId){
outfeature->setCell(0,0);
}else {
outfeature->setCell(0, record);
}
}
}
SPFeatureI FeatureCoverage::newFeatureFrom(const SPFeatureI& existingFeature, const ICoordinateSystem& csySource) {
Locker<> lock(_mutex);
auto transform = [&](const UPGeometry& geom)->geos::geom::Geometry * {
if ( geom.get() == 0)
return 0;
geos::geom::Geometry *newgeom = geom->clone();
if ( csySource.isValid() && !csySource->isEqual(coordinateSystem().ptr())){
CsyTransform trans(csySource, coordinateSystem());
newgeom->apply_rw(&trans);
newgeom->geometryChangedAction();
}
GeometryHelper::setCoordinateSystem(newgeom, coordinateSystem().ptr());
return newgeom;
};
if (!connector()->dataIsLoaded()) {
connector()->loadData(this);
}
auto *newfeature = createNewFeature(existingFeature->geometryType());
const UPGeometry& geom = existingFeature->geometry();
newfeature->geometry(transform(geom)) ;
auto variantIndexes = _attributeDefinition.indexes();
for(auto index : variantIndexes){
const auto& variant = existingFeature[index];
auto *variantFeature = createNewFeature(variant->geometryType());
const auto& geom = variant->geometry();
variantFeature->geometry(transform(geom)) ;
newfeature->setSubFeature(index, variantFeature);
}
_features.push_back(newfeature);
return _features.back();
}
bool FeatureConnector::loadBinaryPoints(FeatureCoverage *fcoverage) {
BinaryIlwis3Table mppTable;
if ( !mppTable.load(_odf)) {
return ERROR1(ERR_COULD_NOT_OPEN_READING_1,_odf->fileinfo().fileName()) ;
}
// two cases; the old case; 2 columns for x and y. and the new case one column for coord
int coordColumnX = mppTable.index("x");
int coordColumnY = mppTable.index("y");
int coordColumn = mppTable.index("Coordinate");
int colItemId = mppTable.index("Name");
ITable tbl = fcoverage->attributeTable();
bool newCase = coordColumnX == iUNDEF;
for(quint32 i= 0; i < mppTable.rows(); ++i) {
Coordinate c;
double itemIdT;
if ( newCase) {
mppTable.get(i, coordColumn, c);
} else {
double x,y;
mppTable.get(i, coordColumnX, x);
mppTable.get(i, coordColumnY, y);
c = Coordinate(x,y);
}
mppTable.get(i, colItemId,itemIdT);
quint32 itemId = itemIdT;
tbl->cell(COVERAGEKEYCOLUMN, i, QVariant(itemId));
SPFeatureI feature = fcoverage->newFeature({c});
tbl->cell(FEATUREIDCOLUMN, i, QVariant(feature->featureid()));
}
return true;
}
bool PostgresqlFeatureCoverageLoader::storeData(FeatureCoverage *fcoverage) const
{
bool queryOk = true;
ITable baseData = fcoverage->attributeTable();
PostgresqlParameters params (_resource.url(true).toString());
PostgresqlDatabaseUtil pgUtil(params);
SqlStatementHelper sqlHelper(params);
bool newTable = false;
if ( !pgUtil.tableExists()){
if(!pgUtil.createTable(fcoverage)){
return false;
}
newTable = true;
}
IDomain semantics; // subfeature semantics
QList<QString> primaryKeys; // readonly keys
QList<MetaGeometryColumn> metaGeomColumns; // geometry columns
pgUtil.getMetaForGeometryColumns(metaGeomColumns);
pgUtil.prepareSubFeatureSemantics(semantics, metaGeomColumns, _options);
pgUtil.getPrimaryKeys(primaryKeys);
// add geoms to update/insert data table
FeatureIterator featureIter(fcoverage);
featureIter.flow(FeatureIterator::fDEPTHFIRST);
QString columnNamesCommaSeparated = sqlHelper.columnNamesCommaSeparated(baseData.ptr());
QString code = fcoverage->coordinateSystem()->code();
QString srid = code.right(code.indexOf(":"));
QString qtablename = params.table().toLower();
while(featureIter != featureIter.end()) {
SPFeatureI feature = (*featureIter);
bool newFeature = newTable ? true : !pgUtil.exists(feature);
QString columnValuesCommaSeparated = sqlHelper.columnValuesCommaSeparated(feature);
QString sqlStmt;
if (newFeature) {
sqlStmt = "INSERT INTO ";
sqlStmt.append(qtablename);
sqlStmt.append(" ( ");
sqlStmt.append(columnNamesCommaSeparated);
foreach (MetaGeometryColumn geomMeta, metaGeomColumns) {
sqlStmt.append(", ");
sqlStmt.append(geomMeta.geomColumn);
}
sqlStmt.append(" ) ");
sqlStmt.append(" VALUES ( ");
sqlStmt.append(columnValuesCommaSeparated);
sqlStmt.append(", ");
// add geometry values
/*
// TODO storing level n data only makes sense
// if subfeatures are stored in separate
// tables related via foreign keys, but
// separate tables aren't supported now
ITabel levelData = fcoverage->attributeTable(level);
PostgresqlTableConnector connector(_resource,false);
tableOk = connector.store(levelData.ptr(), options);
*/
QString rootGeomColumn = fcoverage->attributeDefinitionsRef().index((quint32)0);
// have to iterate the order of given geom columns
foreach (MetaGeometryColumn geomMeta, metaGeomColumns) {
QString wkt = "NULL";
QString geomColumn = geomMeta.geomColumn;
if (rootGeomColumn == geomColumn || rootGeomColumn == sUNDEF) {
if (feature->geometry() != nullptr){
wkt = QString("'%1'").arg(GeometryHelper::toWKT(feature->geometry().get()));
}
} else if (feature[geomColumn]->geometry() != nullptr){
// access subfeature geometries
SPFeatureI subfeature = feature[geomColumn];
wkt = QString("'%1'").arg(GeometryHelper::toWKT(subfeature->geometry().get()));
}
sqlStmt.append("st_geomfromtext(").append(wkt);
sqlStmt.append(", ").append(srid).append(")");
sqlStmt.append(",");
// skip subfeature's geometries, as accessed already via domain
++featureIter;
}
sqlStmt = sqlHelper.trimAndRemoveLastCharacter(sqlStmt);
sqlStmt.append(" ); ");
} else {
void FeatureCoverageTest::testVariants() {
Ilwis::IFeatureCoverage featureCoverage;
featureCoverage.prepare();
Ilwis::ICoordinateSystem csy("code=proj4:+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs");
Ilwis::Envelope env(Ilwis::LatLon(50,-30), Ilwis::LatLon(-50, 60));
featureCoverage->coordinateSystem(csy);
featureCoverage->envelope(env);
Ilwis::ITimeDomain dom;
dom.prepare();
dom->range(new Ilwis::TimeInterval("20090101", "20110101"));
std::vector<QString> times = {"20090101","20090131","20090602","20090703", "20100109","20110101"};
featureCoverage->attributeDefinitionsRef().addColumn("population", "value");
featureCoverage->attributeDefinitionsRef().setSubDefinition(dom,times);
Ilwis::SPFeatureI feature1 = featureCoverage->newFeature(0);
geos::geom::Geometry *geom = Ilwis::GeometryHelper::fromWKT("Linestring(40 20, 10 12, -20 -10)", featureCoverage->coordinateSystem().ptr());
feature1->geometry(geom);
feature1("population", 200);
geom = Ilwis::GeometryHelper::fromWKT("Linestring(40 30, 10 12, -20 -10)", featureCoverage->coordinateSystem().ptr());
Ilwis::SPFeatureI feature2 = featureCoverage->newFeature(geom);
feature2("population", 300);
geom = Ilwis::GeometryHelper::fromWKT("Linestring(40 30, 12 12, -20 -10)", featureCoverage->coordinateSystem().ptr());
Ilwis::SPFeatureI feature3 = featureCoverage->newFeature(geom);
feature3("population", 100);
feature1->createSubFeature("20090101", geom);
feature1->createSubFeature("20090703", geom);
geom = Ilwis::GeometryHelper::fromWKT("Linestring(30 10, 10 15, -23 -12)",featureCoverage->coordinateSystem().ptr());
feature1->createSubFeature("20090101", geom);
geom = Ilwis::GeometryHelper::fromWKT("Linestring(20 10, 10 15, -23 -12)",featureCoverage->coordinateSystem().ptr());
feature2->createSubFeature("20090101", geom);
auto *attrdef = new Ilwis::FeatureAttributeDefinition();
attrdef->addColumn("temperature", "value");
featureCoverage->attributeDefinitionsRef().featureAttributeDefinition(attrdef);
feature1["20090101"]("temperature", 26.5);
feature2["20090101"]("temperature", 19.5);
FeatureIterator featureIter(featureCoverage);
featureIter.flow(FeatureIterator::fDEPTHFIRST);
while(featureIter != featureIter.end()) {
SPFeatureI f = (*featureIter);
f->geometry(); // test if geometry is null
DOTEST(true, "geometry of (sub)feature not null.");
featureIter++; // move to next
}
}
