Examples with Tags uk.me.parabola.mkgmap.reader.osm.Tags used on opensource projects

Example 6 with Tags

use of uk.me.parabola.mkgmap.reader.osm.Tags in project mkgmap by openstreetmap.

the class BoundaryQuadTree method get.

/**
 * Return location relevant Tags for the point defined by Coord
 * @param co the point
 * @return a reference to the internal Tags or null if the point was not found.
 * The returned Tags must not be modified by the caller.
 */
public Tags get(Coord co) {
    Tags res = root.get(co);
    if (res == null && bbox.contains(co.getLongitude(), co.getLatitude())) {
        // we did not find the point, probably it lies on a boundary and
        // the clauses regarding insideness of areas make it "invisible"
        // try again a few other nearby points
        Coord neighbour1 = new Coord(co.getLatitude() - 1, co.getLongitude());
        Coord neighbour2 = new Coord(co.getLatitude(), co.getLongitude() - 1);
        Coord neighbour3 = new Coord(co.getLatitude() + 1, co.getLongitude());
        Coord neighbour4 = new Coord(co.getLatitude(), co.getLongitude() + 1);
        res = root.get(neighbour1);
        if (res == null)
            res = root.get(neighbour2);
        if (res == null)
            res = root.get(neighbour3);
        if (res == null)
            res = root.get(neighbour4);
    }
    return res;
}

Example 7 with Tags

use of uk.me.parabola.mkgmap.reader.osm.Tags in project mkgmap by openstreetmap.

the class BoundaryQuadTree method readStreamQuadTreeFormat.

/**
 * Read a stream in QUADTREE_DATA_FORMAT
 * @param inpStream the already opened DataInputStream
 * @param searchBBox a bounding box. Areas not intersecting the bbox are
 * ignored.
 * @throws IOException
 */
private void readStreamQuadTreeFormat(DataInputStream inpStream, uk.me.parabola.imgfmt.app.Area searchBBox) throws IOException {
    boolean isFirstArea = true;
    try {
        while (true) {
            String type = inpStream.readUTF();
            if (type.equals("TAGS")) {
                String id = inpStream.readUTF();
                Tags tags = new Tags();
                int noOfTags = inpStream.readInt();
                for (int i = 0; i < noOfTags; i++) {
                    String name = inpStream.readUTF();
                    String value = inpStream.readUTF();
                    tags.put(name, value.intern());
                }
                boundaryTags.put(id, tags);
            } else if (type.equals("AREA")) {
                if (isFirstArea) {
                    isFirstArea = false;
                    prepareLocationInfo();
                }
                int minLat = inpStream.readInt();
                int minLong = inpStream.readInt();
                int maxLat = inpStream.readInt();
                int maxLong = inpStream.readInt();
                if (log.isDebugEnabled()) {
                    log.debug("Next boundary. Lat min:", minLat, "max:", maxLat, "Long min:", minLong, "max:", maxLong);
                }
                uk.me.parabola.imgfmt.app.Area rBbox = new uk.me.parabola.imgfmt.app.Area(minLat, minLong, maxLat, maxLong);
                int bSize = inpStream.readInt();
                log.debug("Size:", bSize);
                if (searchBBox == null || searchBBox.intersects(rBbox)) {
                    log.debug("Bbox intersects. Load the boundary");
                    String treePath = inpStream.readUTF();
                    String id = inpStream.readUTF();
                    String refs = inpStream.readUTF();
                    if (refs.isEmpty())
                        refs = null;
                    Area area = BoundaryUtil.readAreaAsPath(inpStream);
                    if (area != null && area.isEmpty() == false)
                        root.add(area, refs, id, treePath);
                    else {
                        log.warn(refs, id, treePath, "invalid or empty or too small area");
                    }
                } else {
                    log.debug("Bbox does not intersect. Skip", bSize);
                    inpStream.skipBytes(bSize);
                }
            } else {
                log.error("unknown type field " + type);
            }
        }
    } catch (EOFException exp) {
    // it's always thrown at the end of the file
    // log.error("Got EOF at the end of the file");
    }
}

Example 8 with Tags

use of uk.me.parabola.mkgmap.reader.osm.Tags in project mkgmap by openstreetmap.

the class BoundaryDiff method loadArea.

/**
 * Calculate the area that is covered by a given tag /value pair, e.g. admin_level=2
 * @param dirName the name of a directory or *.zip file containing *.bnd files, or a single *.bnd file
 * @param fileName the name of the *.bnd file that should be read
 * @param tag the tag key
 * @param value the tag value
 * @return a new Area (which might be empty)
 */
private static Area loadArea(String dirName, String fileName, String tag, String value) {
    String dir = dirName;
    String bndFileName = fileName;
    if (dir.endsWith(".bnd")) {
        File f = new File(dir);
        if (f.isFile()) {
            dir = f.getParent();
            bndFileName = f.getName();
        }
        if (dir == null)
            // the local directory
            dir = ".";
    }
    BoundaryQuadTree bqt = BoundaryUtil.loadQuadTree(dir, bndFileName);
    if (tag.equals("admin_level"))
        return (bqt.getCoveredArea(Integer.valueOf(value)));
    Map<String, Tags> bTags = bqt.getTagsMap();
    Map<String, List<Area>> areas = bqt.getAreas();
    Path2D.Double path = new Path2D.Double();
    for (Entry<String, Tags> entry : bTags.entrySet()) {
        if (value.equals(entry.getValue().get(tag))) {
            List<Area> aList = areas.get(entry.getKey());
            for (Area area : aList) {
                path.append(area, false);
            }
        }
    }
    Area a = new Area(path);
    return a;
}