public void readOsmShapeData(File path) throws IOException {
OsmPbfParserImpl parser = new OsmPbfParserImpl(_graph);
BlockInputStream in = new BlockInputStream(new BufferedInputStream(
new FileInputStream(path)), parser);
in.process();
in.close();
_graph.addEdge(592400065L, 30744028L);
_graph.pruneIslandNodes();
_graph.pruneClusters(16000);
}