pub fn load_from_osrm(file: &String) -> Graph {
        let file = File::open(file).unwrap();

        let mut reader = BufReader::new(&file);
        let _ = reader.seek(SeekFrom::Start(152));

        // First, we read in all nodes.
        let nodes_count = reader.read_u32::<LittleEndian>().unwrap() as usize;
        println!(" ˪— Reading {:?} nodes", nodes_count);
        let mut nodes = Vec::with_capacity(nodes_count);
        let mut n_pb = ProgressBar::new(nodes_count as u64);
        for i in 0..nodes_count {
            let node = Node::from_osrm(&mut reader);
            nodes.push(node);
            if i % 1000 == 0 {
                n_pb.add(1000);
            }
        }

        // Then, we continue with all edges.
        let edges_count = reader.read_u32::<LittleEndian>().unwrap() as usize;
        println!(" ˪– Reading {:?} edges", edges_count);
        let mut edges = Vec::with_capacity(edges_count);
        let mut e_pb = ProgressBar::new(edges_count as u64);
        for i in 0..edges_count {
            edges.push(Edge::from_osrm(&mut reader));
            if i % 1000 == 0 {
                e_pb.add(1000);
            }
        }

        // Finally, we build an R tree for quick access.
        let mut rtree = RTree::new();
        for n in nodes.iter() {
            let p = SpatialPoint::new(Point2::new(n.lon, n.lat), n.id);
            rtree.insert(p);
        }

        Graph { edges: edges, nodes: nodes, rtree: rtree }
    }
/// Creates a new graph, by reading an OSRM file. This also adds and returns an OSM id
/// as the starting point for a later bellman-ford query.
Creates a new graph, by reading an OSRM file. This also adds and returns an OSM id
as the starting point for a later bellman-ford query.
Creates a new graph by reading an OSRM file . This also adds and returns an OSM id as the starting point for a later bellman - ford query .
pub fn load_from_osrm(file: &String) -> Graph {
        let file = File::open(file).unwrap();
        let mut reader = BufReader::new(&file);
        let _ = reader.seek(SeekFrom::Start(152));
        // First, we read in all nodes.
        let nodes_count = reader.read_u32::<LittleEndian>().unwrap() as usize;
        println!(" ˪— Reading {:?} nodes", nodes_count);
        let mut nodes = Vec::with_capacity(nodes_count);
        let mut n_pb = ProgressBar::new(nodes_count as u64);
        for i in 0..nodes_count {
            let node = Node::from_osrm(&mut reader);
            nodes.push(node);
            if i % 1000 == 0 {
                n_pb.add(1000);
            }
        }
        // Then, we continue with all edges.
        let edges_count = reader.read_u32::<LittleEndian>().unwrap() as usize;
        println!(" ˪– Reading {:?} edges", edges_count);
        let mut edges = Vec::with_capacity(edges_count);
        let mut e_pb = ProgressBar::new(edges_count as u64);
        for i in 0..edges_count {
            edges.push(Edge::from_osrm(&mut reader));
            if i % 1000 == 0 {
                e_pb.add(1000);
            }
        }
        // Finally, we build an R tree for quick access.
        let mut rtree = RTree::new();
        for n in nodes.iter() {
            let p = SpatialPoint::new(Point2::new(n.lon, n.lat), n.id);
            rtree.insert(p);
        }
        Graph { edges: edges, nodes: nodes, rtree: rtree }
    }
pub fn load_from_osrm ( file : & String ) -> Graph { let file = File :: open ( file ) . unwrap ( ) ; let mut reader = BufReader :: new ( & file ) ; let _ = reader . seek ( SeekFrom :: Start ( 152 ) ) ; // First, we read in all nodes. let nodes_count = reader . read_u32 :: < LittleEndian > ( ) . unwrap ( ) as usize ; println ! ( " n es_count); let mut nodes = Vec :: with_capacity ( nodes_count ) ; let mut n_pb = ProgressBar :: new ( nodes_count as u64 ) ; for i in 0 .. nodes_count { let node = Node :: from_osrm ( & mut reader ) ; nodes . push ( node ) ; if i % 1000 == 0 { n_pb . add ( 1000 ) ; } } // Then, we continue with all edges. let edges_count = reader . read_u32 :: < LittleEndian > ( ) . unwrap ( ) as usize ; println ! ( " e es_count); let mut edges = Vec :: with_capacity ( edges_count ) ; let mut e_pb = ProgressBar :: new ( edges_count as u64 ) ; for i in 0 .. edges_count { edges . push ( Edge :: from_osrm ( & mut reader ) ) ; if i % 1000 == 0 { e_pb . add ( 1000 ) ; } } // Finally, we build an R tree for quick access. let mut rtree = RTree :: new ( ) ; for n in nodes . iter ( ) { let p = SpatialPoint :: new ( Point2 :: new ( n . lon , n . lat ) , n . id ) ; rtree . insert ( p ) ; } Graph { edges : edges , nodes : nodes , rtree : rtree } }
Creates a new graph, by reading an OSRM file.
Creates a new graph by reading an OSRM file .
file
&String
file
&String