m = new TiledNavMesh();
long eT = 0L;
long sT = System.currentTimeMillis();
m.loadFromGeom(g00);
int cells = m.TotalCells();
eT =System.currentTimeMillis();
System.out.println("Navmesh building from "+file+"took "+(eT-sT)+" milli seconds for "+cells+" cells");
BinaryExporter.getInstance().save(m, new File(file+".jnv"));
sT = System.currentTimeMillis();
m = (TiledNavMesh) BinaryImporter.getInstance().load(new File(file+".jnv"));