void MonavMap::parseBoundingBox( const QFileInfo &file )
{
GeoDataLineString points;
bool tooLarge = false;
QFile input( file.absoluteFilePath() );
if ( input.open( QFile::ReadOnly ) ) {
GeoDataParser parser( GeoData_KML );
if ( !parser.read( &input ) ) {
mDebug() << "Could not parse file: " << parser.errorString();
return;
}
GeoDocument *doc = parser.releaseDocument();
input.close();
GeoDataDocument *document = dynamic_cast<GeoDataDocument*>( doc );
QVector<GeoDataPlacemark*> placemarks = document->placemarkList();
if ( placemarks.size() == 1 ) {
GeoDataPlacemark* placemark = placemarks.first();
m_name = placemark->name();
m_version = placemark->extendedData().value( "version" ).value().toString();
m_date = placemark->extendedData().value( "date" ).value().toString();
m_transport = placemark->extendedData().value( "transport" ).value().toString();
m_payload = placemark->extendedData().value( "payload" ).value().toString();
GeoDataMultiGeometry* geometry = dynamic_cast<GeoDataMultiGeometry*>( placemark->geometry() );
if ( geometry->size() > 1500 ) {
tooLarge = true;
}
for ( int i = 0; geometry && i < geometry->size(); ++i ) {
GeoDataLinearRing* poly = dynamic_cast<GeoDataLinearRing*>( geometry->child( i ) );
if ( poly ) {
for ( int j = 0; j < poly->size(); ++j ) {
points << poly->at( j );
}
m_tiles.push_back( *poly );
}
if ( poly->size() > 1500 ) {
tooLarge = true;
}
}
} else {
mDebug() << "File " << file.absoluteFilePath() << " does not contain one placemark, but " << placemarks.size();
}
delete doc;
}
m_boundingBox = points.latLonAltBox();
if ( tooLarge ) {
// The bounding box polygon is rather complicated, therefore not allowing a quick check
// and also occupying memory. Discard the polygon and only store the rectangular bounding
// box. Only happens for non-simplified bounding box polygons.
mDebug() << "Discarding too large bounding box poylgon for " << file.absoluteFilePath() << ". Please check for a map update.";
m_tiles.clear();
}
}
void EditPolygonDialog::handleItemMoving( GeoDataPlacemark *item )
{
if( item == d->m_placemark ) {
d->m_nodeModel->clear();
if( d->m_placemark->geometry()->nodeType() == GeoDataTypes::GeoDataPolygonType ) {
GeoDataPolygon *polygon = static_cast<GeoDataPolygon*>( d->m_placemark->geometry() );
GeoDataLinearRing outerBoundary = polygon->outerBoundary();
for( int i = 0; i < outerBoundary.size(); ++i ) {
d->m_nodeModel->addNode( outerBoundary.at( i ) );
}
}
}
}
