void GeoDataLineStringPrivate::toPoleCorrected( const GeoDataLineString& q, GeoDataLineString& poleCorrected ) { poleCorrected.setTessellationFlags( q.tessellationFlags() ); GeoDataCoordinates previousCoords; GeoDataCoordinates currentCoords; if ( q.isClosed() ) { if ( !( m_vector.first().isPole() ) && ( m_vector.last().isPole() ) ) { qreal firstLongitude = ( m_vector.first() ).longitude(); GeoDataCoordinates modifiedCoords( m_vector.last() ); modifiedCoords.setLongitude( firstLongitude ); poleCorrected << modifiedCoords; } } QVector<GeoDataCoordinates>::const_iterator itCoords = m_vector.constBegin(); QVector<GeoDataCoordinates>::const_iterator itEnd = m_vector.constEnd(); for( ; itCoords != itEnd; ++itCoords ) { currentCoords = *itCoords; if ( itCoords == m_vector.constBegin() ) { previousCoords = currentCoords; } if ( currentCoords.isPole() ) { if ( previousCoords.isPole() ) { continue; } else { qreal previousLongitude = previousCoords.longitude(); GeoDataCoordinates currentModifiedCoords( currentCoords ); currentModifiedCoords.setLongitude( previousLongitude ); poleCorrected << currentModifiedCoords; } } else { if ( previousCoords.isPole() ) { qreal currentLongitude = currentCoords.longitude(); GeoDataCoordinates previousModifiedCoords( previousCoords ); previousModifiedCoords.setLongitude( currentLongitude ); poleCorrected << previousModifiedCoords; poleCorrected << currentCoords; } else { // No poles at all. Nothing special to handle poleCorrected << currentCoords; } } previousCoords = currentCoords; } if ( q.isClosed() ) { if ( ( m_vector.first().isPole() ) && !( m_vector.last().isPole() ) ) { qreal lastLongitude = ( m_vector.last() ).longitude(); GeoDataCoordinates modifiedCoords( m_vector.first() ); modifiedCoords.setLongitude( lastLongitude ); poleCorrected << modifiedCoords; } } }