bool FeatureConnector::loadBinaryData(Ilwis::IlwisObject *obj) {
if ( obj == nullptr)
return false;
FeatureCoverage *fcoverage = static_cast<FeatureCoverage *>(obj);
QString file = _odf->value("BaseMap", "AttributeTable");
ITable extTable;
if ( file != sUNDEF) {
if(!extTable.prepare(file)){
kernel()->issues()->log(file,TR(ERR_NO_INITIALIZED_1).arg(file),IssueObject::itWarning);
return false;
}
}
bool ok = false;
if (fcoverage->featureTypes() == itPOINT)
ok = loadBinaryPoints(fcoverage);
else if (fcoverage->featureTypes() == itLINE)
ok = loadBinarySegments(fcoverage);
else if (fcoverage->featureTypes() == itPOLYGON)
ok = loadBinaryPolygons(fcoverage);
if ( ok && extTable.isValid()) {
ITable attTbl = fcoverage->attributeTable();
quint32 keyIndex = attTbl->columnIndex(COVERAGEKEYCOLUMN);
for(quint32 rowExt=0; rowExt < extTable->records(); ++rowExt) {
vector<QVariant> rec = extTable->record(rowExt);
for(quint32 rowAtt = 0; rowAtt < attTbl->records(); ++rowAtt ) {
if ( attTbl->cell(keyIndex, rowAtt) == rowExt + 1) {
attTbl->record(rowAtt,rec);
}
}
}
}
return ok;
}
bool FeatureConnector::loadMetaData(Ilwis::IlwisObject *obj)
{
bool ok = CoverageConnector::loadMetaData(obj);
if ( !ok)
return false;
FeatureCoverage *fcoverage = static_cast<FeatureCoverage *>(obj);
IlwisTypes coverageType = itPOINT;
int features = _odf->value("PointMap","Points").toInt(&ok);
if (!ok) {
coverageType = itLINE;
features = _odf->value("SegmentMapStore","Segments").toInt(&ok);
if (!ok) {
coverageType = itPOLYGON;
features = _odf->value("PolygonMapStore","Polygons").toInt(&ok);
}
}
if (ok){
fcoverage->featureTypes(coverageType);
fcoverage->setFeatureCount(coverageType, features);
}
else
return ERROR2(ERR_INVALID_PROPERTY_FOR_2,"Records",obj->name());
ITable tbl = fcoverage->attributeTable();
tbl->setRows(fcoverage->featureCount());
return true;
}
bool FeatureConnector::loadMetaData(Ilwis::IlwisObject *obj,const IOOptions& options)
{
bool ok = CoverageConnector::loadMetaData(obj, options);
if ( !ok)
return false;
FeatureCoverage *fcoverage = static_cast<FeatureCoverage *>(obj);
fcoverage->setFeatureCount(itFEATURE, iUNDEF, FeatureInfo::ALLFEATURES);
IlwisTypes coverageType = itPOINT;
int features = _odf->value("PointMap","Points").toInt(&ok);
if (!ok) {
coverageType = itPOLYGON;
features = _odf->value("PolygonMapStore","Polygons").toInt(&ok);
if (!ok) {
coverageType = itLINE;
features = _odf->value("SegmentMapStore","Segments").toInt(&ok);
}
}
if (ok){
// overwrite with the correct value from the attribute table if available (without computing it by reading the binary data!)
if (hasProperty("TableRecordCount"))
features = getProperty("TableRecordCount").toInt();
fcoverage->featureTypes(coverageType);
fcoverage->setFeatureCount(coverageType, features,0);
}
else
return ERROR2(ERR_INVALID_PROPERTY_FOR_2,"Records",obj->name());
//ITable tbl = fcoverage->attributeTable();
//tbl->recordCount(fcoverage->featureCount(itFEATURE,true));
return true;
}
bool GdalFeatureConnector::loadMetaData(Ilwis::IlwisObject *data,const IOOptions& options){
if(!CoverageConnector::loadMetaData(data, options))
return false;
FeatureCoverage *fcoverage = static_cast<FeatureCoverage *>(data);
fcoverage->setFeatureCount(itFEATURE, iUNDEF, FeatureInfo::ALLFEATURES);
OGRLayerH hLayer = getLayerHandle();
if ( hLayer) {
//feature types
IlwisTypes type = translateOGRType(gdal()->getLayerGeometry(hLayer));
if (type == itUNKNOWN){
WARN(QString("Unknown feature type of layer %1 from: %2").arg(0).arg(_filename.toString()));
}else{
fcoverage->featureTypes(type);
}
//feature counts
int temp = gdal()->getFeatureCount(hLayer, FALSE);//TRUE to FORCE databases to scan whole layer, FALSe can end up in -1 for unknown result
if (temp == -1){
WARN(QString("Couldn't determine feature count of layer %1 from meta data of %2").arg(0).arg(_filename.toString()));
}else{
int featureCount = fcoverage->featureCount(type);
featureCount += temp;
fcoverage->setFeatureCount(type, featureCount,0); // subgeometries are not known at this level
}
//attribute table
ITable attTable;
Resource resource(_filename, itFLATTABLE);
if(!attTable.prepare(resource,{"asflattable", true})) {//will load whole meta data of the table
ERROR1(ERR_NO_INITIALIZED_1,resource.name());
return false;
}
fcoverage->setAttributes(attTable);
//layer envelopes/extents
Envelope bbox;
OGREnvelope envelope;//might sometimes be supported as 3D now only posssible from OGRGeometry
OGRErr err = gdal()->getLayerExtent(hLayer, &envelope , FALSE);//TRUE to FORCE
if (err != OGRERR_NONE){
if (err == OGRERR_FAILURE){//on an empty layer or if simply too expensive(FORECE=FALSE) OGR_L_GetExtent may return OGRERR_FAILURE
WARN(QString("Couldn't determine the extent of layer %1 from meta data of %2").arg(0).arg(_filename.toString()));
}else{
ERROR0(QString("Couldn't load extent of layer %1 from %2: %3").arg(0).arg(_filename.toString()).arg(gdal()->translateOGRERR(err)));
}
}else{
bbox = Envelope(Coordinate(envelope.MinX,envelope.MinY),Coordinate(envelope.MaxX,envelope.MaxY));
}
fcoverage->envelope(bbox);
// fcoverage->coordinateSystem()->envelope(bbox);
}
gdal()->closeFile(sourceRef().toLocalFile(), data->id());
return true;
}
bool FeatureConnector::loadData(Ilwis::IlwisObject *obj, const IOOptions &) {
if ( obj == nullptr)
return false;
FeatureCoverage *fcoverage = static_cast<FeatureCoverage *>(obj);
QString file = _odf->value("BaseMap", "AttributeTable");
ITable extTable;
if ( file != sUNDEF) {
if(!extTable.prepare(file)){
kernel()->issues()->log(file,TR(ERR_NO_INITIALIZED_1).arg(file),IssueObject::itWarning);
return false;
}
}
bool ok = false;
try {
_binaryIsLoaded = true; // to prevent any subsequent calls to this routine while loading (which mat trigger it).
if (fcoverage->featureTypes() == itPOINT)
ok = loadBinaryPoints(fcoverage);
else if (fcoverage->featureTypes() == itLINE)
ok = loadBinarySegments(fcoverage);
else if (fcoverage->featureTypes() == itPOLYGON)
ok = loadBinaryPolygons(fcoverage);
_binaryIsLoaded = ok;
if ( ok && extTable.isValid()) {
ITable attTbl = fcoverage->attributeTable();
quint32 nrAttrCols = std::min(attTbl->columnCount(),extTable->columnCount());
// quint32 keyIndex = extTable->columnIndex(COVERAGEKEYCOLUMN);
for(quint32 rowExt=0; rowExt < extTable->recordCount(); ++rowExt) {
if ( rowExt < fcoverage->featureCount()){
vector<QVariant> rec = extTable->record(rowExt);
rec.resize(nrAttrCols); // extTable received an extra "Domain" column, which is not there (and will not be there) in attTbl
attTbl->record(rowExt,rec);
}
}
}
} catch (FeatureCreationError& ) {
}
if ( ok)
_binaryIsLoaded = true;
return ok;
}
bool FeatureConnector::storeBinaryData(IlwisObject *obj) {
FeatureCoverage *fcov = static_cast<FeatureCoverage *>(obj);
IlwisTypes featureTypes = fcov->featureTypes();
bool ok = true;
ok &= storeBinaryData(fcov, featureTypes & itPOLYGON);
ok &= storeBinaryData(fcov, featureTypes & itLINE);
ok &= storeBinaryData(fcov, featureTypes & itPOINT);
return ok;
}