Remove output.
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Holt59
parent
05c4f0da2a
commit
20a64255aa
@ -13,169 +13,182 @@ import org.insa.graph.RoadInformation;
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import org.insa.graph.RoadInformation.RoadType;
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public class BinaryGraphReader extends BinaryReader implements GraphReader {
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// Map version and magic number targeted for this reader.
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private static final int VERSION = 4;
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private static final int MAGIC_NUMBER = 0xbacaff;
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/**
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* Convert a character to its corresponding road type.
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*
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* @param ch Character to convert.
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*
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* @return Road type corresponding to ch.
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*
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* @see http://wiki.openstreetmap.org/wiki/Highway_tag_usage.
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*/
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public static RoadType toRoadType(char ch) {
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switch (ch) {
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case 'a': return RoadType.MOTORWAY;
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case 'b': return RoadType.TRUNK;
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case 'c': return RoadType.PRIMARY;
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case 'd': return RoadType.SECONDARY;
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case 'e': return RoadType.MOTORWAY_LINK;
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case 'f': return RoadType.TRUNK_LINK;
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case 'g': return RoadType.PRIMARY_LINK;
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case 'h': return RoadType.SECONDARY_LINK;
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case 'i': return RoadType.TERTIARY;
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case 'j': return RoadType.RESIDENTIAL;
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case 'k': return RoadType.UNCLASSIFIED;
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case 'l': return RoadType.ROAD;
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case 'm': return RoadType.LIVING_STREET;
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case 'n': return RoadType.SERVICE;
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case 'o': return RoadType.ROUNDABOUT;
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case 'z': return RoadType.COASTLINE;
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}
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return RoadType.UNCLASSIFIED;
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}
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// Map version and magic number targeted for this reader.
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private static final int VERSION = 4;
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private static final int MAGIC_NUMBER = 0xbacaff;
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/**
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* Create a new BinaryGraphReader using the given DataInputStream.
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*
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* @param dis
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*/
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public BinaryGraphReader(DataInputStream dis) {
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super(MAGIC_NUMBER, VERSION, dis);
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}
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/**
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* Convert a character to its corresponding road type.
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*
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* @param ch Character to convert.
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*
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* @return Road type corresponding to ch.
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*
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* @see http://wiki.openstreetmap.org/wiki/Highway_tag_usage.
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*/
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public static RoadType toRoadType(char ch) {
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switch (ch) {
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case 'a':
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return RoadType.MOTORWAY;
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case 'b':
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return RoadType.TRUNK;
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case 'c':
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return RoadType.PRIMARY;
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case 'd':
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return RoadType.SECONDARY;
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case 'e':
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return RoadType.MOTORWAY_LINK;
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case 'f':
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return RoadType.TRUNK_LINK;
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case 'g':
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return RoadType.PRIMARY_LINK;
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case 'h':
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return RoadType.SECONDARY_LINK;
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case 'i':
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return RoadType.TERTIARY;
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case 'j':
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return RoadType.RESIDENTIAL;
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case 'k':
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return RoadType.UNCLASSIFIED;
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case 'l':
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return RoadType.ROAD;
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case 'm':
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return RoadType.LIVING_STREET;
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case 'n':
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return RoadType.SERVICE;
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case 'o':
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return RoadType.ROUNDABOUT;
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case 'z':
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return RoadType.COASTLINE;
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}
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return RoadType.UNCLASSIFIED;
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}
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@Override
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public Graph read() throws IOException {
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System.out.println(getClass());
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// Read and check magic number and file version.
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checkMagicNumberOrThrow(dis.readInt());
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checkVersionOrThrow(dis.readInt());
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// Read map id.
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int mapId = dis.readInt();
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// Read zone.
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int graphZone = dis.readInt();
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/**
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* Create a new BinaryGraphReader using the given DataInputStream.
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*
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* @param dis
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*/
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public BinaryGraphReader(DataInputStream dis) {
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super(MAGIC_NUMBER, VERSION, dis);
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}
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// Number of descriptors and nodes.
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int nbDesc = dis.readInt();
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int nbNodes = dis.readInt();
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// Number of successors for each nodes.
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int[] nbSuccessors = new int[nbNodes];
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@Override
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public Graph read() throws IOException {
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// Construct an array list with initial capacity of nbNodes.
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ArrayList<Node> nodes = new ArrayList<Node>(nbNodes);
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// Read nodes.
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for (int node = 0; node < nbNodes; ++node) {
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float longitude = ((float)dis.readInt ()) / 1E6f;
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float latitude = ((float)dis.readInt ()) / 1E6f;
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nbSuccessors[node] = dis.readUnsignedByte();
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nodes.add(new Node(node, new Point(longitude, latitude)));
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}
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// Check format.
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checkByteOrThrow(255);
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// Read descriptors.
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RoadInformation[] descs = new RoadInformation[nbDesc];
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// Read
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for (int descr = 0; descr < nbDesc; ++descr) {
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descs[descr] = readRoadInformation();
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}
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// Check format.
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checkByteOrThrow(254);
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// Read successors and convert to arcs.
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for (int node = 0; node < nbNodes; ++node) {
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for (int succ = 0; succ < nbSuccessors[node]; ++succ) {
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// Read destination zone.
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int destZone = dis.readUnsignedByte();
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// Read target node number.
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int destNode = this.read24bits();
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// Read information number.
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int descrNum = this.read24bits();
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// Length of the arc.
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int length = dis.readUnsignedShort();
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// Number of segments.
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int nbSegments = dis.readUnsignedShort();
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// Read and check magic number and file version.
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checkMagicNumberOrThrow(dis.readInt());
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checkVersionOrThrow(dis.readInt());
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// Read map id.
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int mapId = dis.readInt();
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// Read zone.
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int graphZone = dis.readInt();
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// Number of descriptors and nodes.
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int nbDesc = dis.readInt();
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int nbNodes = dis.readInt();
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// Number of successors for each nodes.
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int[] nbSuccessors = new int[nbNodes];
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// Construct an array list with initial capacity of nbNodes.
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ArrayList<Node> nodes = new ArrayList<Node>(nbNodes);
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// Read nodes.
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for (int node = 0; node < nbNodes; ++node) {
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float longitude = ((float) dis.readInt()) / 1E6f;
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float latitude = ((float) dis.readInt()) / 1E6f;
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nbSuccessors[node] = dis.readUnsignedByte();
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nodes.add(new Node(node, new Point(longitude, latitude)));
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}
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// Check format.
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checkByteOrThrow(255);
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// Read descriptors.
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RoadInformation[] descs = new RoadInformation[nbDesc];
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// Read
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for (int descr = 0; descr < nbDesc; ++descr) {
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descs[descr] = readRoadInformation();
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}
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// Check format.
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checkByteOrThrow(254);
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// Read successors and convert to arcs.
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for (int node = 0; node < nbNodes; ++node) {
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for (int succ = 0; succ < nbSuccessors[node]; ++succ) {
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// Read destination zone.
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int destZone = dis.readUnsignedByte();
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// Read target node number.
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int destNode = this.read24bits();
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// Read information number.
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int descrNum = this.read24bits();
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// Length of the arc.
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int length = dis.readUnsignedShort();
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// Number of segments.
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int nbSegments = dis.readUnsignedShort();
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// Chain of points corresponding to the segments.
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ArrayList<Point> points = new ArrayList<Point>(nbSegments + 2);
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points.add(nodes.get(node).getPoint());
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for (int seg = 0; seg < nbSegments; ++seg) {
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Point lastPoint = points.get(points.size() - 1);
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float dlon = (dis.readShort()) / 2.0e5f;
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float dlat = (dis.readShort()) / 2.0e5f;
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points.add(new Point(lastPoint.getLongitude() + dlon, lastPoint.getLatitude() + dlat));
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}
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points.add(nodes.get(destNode).getPoint());
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if (graphZone == destZone) {
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RoadInformation info = descs[descrNum];
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Node orig = nodes.get(node);
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Node dest = nodes.get(destNode);
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// Add successor to initial arc.
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new Arc(orig, dest, length, info, points);
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// And reverse arc if its a two-way road.
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if (!info.isOneWay()) {
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// Add without segments.
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ArrayList<Point> rPoints = new ArrayList<Point>(points);
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Collections.reverse(rPoints);
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new Arc(dest, orig, length, info, rPoints);
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}
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}
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}
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}
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// Check format.
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checkByteOrThrow(253);
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return new Graph(mapId, nodes);
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}
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/**
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* Read the next road information from the stream.
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*
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* @throws IOException
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*/
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private RoadInformation readRoadInformation() throws IOException {
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char type = (char) dis.readUnsignedByte();
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int x = dis.readUnsignedByte();
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return new RoadInformation(toRoadType(type), (x & 0x80) > 0, (x & 0x7F) * 5, dis.readUTF());
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}
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// Chain of points corresponding to the segments.
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ArrayList<Point> points = new ArrayList<Point>(nbSegments + 2);
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points.add(nodes.get(node).getPoint());
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for (int seg = 0; seg < nbSegments; ++seg) {
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Point lastPoint = points.get(points.size() - 1);
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float dlon = (dis.readShort()) / 2.0e5f;
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float dlat = (dis.readShort()) / 2.0e5f;
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points.add(new Point(lastPoint.getLongitude() + dlon,
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lastPoint.getLatitude() + dlat));
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}
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points.add(nodes.get(destNode).getPoint());
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if (graphZone == destZone) {
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RoadInformation info = descs[descrNum];
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Node orig = nodes.get(node);
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Node dest = nodes.get(destNode);
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// Add successor to initial arc.
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new Arc(orig, dest, length, info, points);
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// And reverse arc if its a two-way road.
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if (!info.isOneWay()) {
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// Add without segments.
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ArrayList<Point> rPoints = new ArrayList<Point>(points);
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Collections.reverse(rPoints);
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new Arc(dest, orig, length, info, rPoints);
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}
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}
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}
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}
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// Check format.
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checkByteOrThrow(253);
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return new Graph(mapId, nodes);
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}
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/**
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* Read the next road information from the stream.
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*
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* @throws IOException
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*/
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private RoadInformation readRoadInformation() throws IOException {
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char type = (char)dis.readUnsignedByte();
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int x = dis.readUnsignedByte() ;
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return new RoadInformation(toRoadType(type), (x & 0x80) > 0, (x & 0x7F) * 5, dis.readUTF());
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}
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}
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