Examples with Subdivision uk.me.parabola.imgfmt.app.trergn.Subdivision used on opensource projects

Example 1 with Subdivision

use of uk.me.parabola.imgfmt.app.trergn.Subdivision in project mkgmap by openstreetmap.

the class AbstractTestMap method makeMap.

protected void makeMap(String[] args) {
    // Default to nowhere in particular.
    double lat = 51.724;
    double lng = 0.2487;
    // Arguments allow you to place the map where ever you wish.
    if (args.length > 1) {
        lat = Double.valueOf(args[0]);
        lng = Double.valueOf(args[1]);
    }
    log.debug("this is a test make map program. Start", lat, '/', lng);
    FileSystemParam params = new FileSystemParam();
    params.setBlockSize(512);
    params.setMapDescription("OSM street map");
    Map map;
    try {
        map = Map.createMap("32860003", ".", params, "32860003", SrtTextReader.sortForCodepage(1252));
    } catch (FileExistsException e) {
        throw new ExitException("File exists already", e);
    } catch (FileNotWritableException e) {
        throw new ExitException("Could not create or write file", e);
    }
    map.addInfo("Program released under the GPL");
    map.addInfo("This map data is made available under the Open Database License:");
    // There has to be (at least) two copyright messages or else the map
    // does not show up.  The second one will be displayed at startup,
    // although the conditions where that happens are not known.
    map.addCopyright("program licenced under GPL v2");
    // This one gets shown when you switch on, so put the actual
    // map copyright here.  This is made up data, so no copyright applies.
    map.addCopyright("No copyright");
    Area area = new Area(lat, lng, lat + 1, lng + 1);
    map.setBounds(area);
    // There must always be an empty zoom level at the least detailed level.
    log.info("area " + area);
    log.info(" or " + lat + '/' + lng);
    Zoom z1 = map.createZoom(1, 24);
    Subdivision topdiv = map.topLevelSubdivision(area, z1);
    // Create a most detailed view
    Zoom z = map.createZoom(0, 24);
    Subdivision div = map.createSubdivision(topdiv, area, z);
    div.startDivision();
    drawTestMap(map, div, lat, lng);
    map.close();
}

Example 2 with Subdivision

use of uk.me.parabola.imgfmt.app.trergn.Subdivision in project mkgmap by openstreetmap.

the class MapReader method linesForLevel.

/**
 * Get a list of all the lines for a given level.
 * @param level The level, lower numbers are the most detailed.
 */
public List<Polyline> linesForLevel(int level) {
    ArrayList<Polyline> lines = new ArrayList<Polyline>();
    Subdivision[] subdivisions = treFile.subdivForLevel(level);
    for (Subdivision div : subdivisions) {
        List<Polyline> subdivLines = rgnFile.linesForSubdiv(div);
        lines.addAll(subdivLines);
    }
    return lines;
}

Example 3 with Subdivision

use of uk.me.parabola.imgfmt.app.trergn.Subdivision in project mkgmap by openstreetmap.

the class MapReader method shapesForLevel.

public List<Polygon> shapesForLevel(int level, boolean witExtTypeData) {
    ArrayList<Polygon> shapes = new ArrayList<Polygon>();
    Subdivision[] subdivisions = treFile.subdivForLevel(level);
    for (Subdivision div : subdivisions) {
        List<Polygon> subdivShapes = rgnFile.shapesForSubdiv(div, witExtTypeData);
        shapes.addAll(subdivShapes);
    }
    return shapes;
}

Example 4 with Subdivision

use of uk.me.parabola.imgfmt.app.trergn.Subdivision in project mkgmap by openstreetmap.

the class MapBuilder method makeSubdivision.

/**
 * Make an individual subdivision for the map.  To do this we need a link
 * to its parent and the zoom level that we are working at.
 *
 * @param map	The map to add this subdivision into.
 * @param parent The parent division.
 * @param ma	 The area of the map that we are fitting into this division.
 * @param z	  The zoom level.
 * @return The new subdivsion.
 */
private Subdivision makeSubdivision(Map map, Subdivision parent, MapArea ma, Zoom z) {
    List<MapPoint> points = ma.getPoints();
    List<MapLine> lines = ma.getLines();
    List<MapShape> shapes = ma.getShapes();
    Subdivision div = map.createSubdivision(parent, ma.getFullBounds(), z);
    if (ma.hasPoints())
        div.setHasPoints(true);
    if (ma.hasIndPoints())
        div.setHasIndPoints(true);
    if (ma.hasLines())
        div.setHasPolylines(true);
    if (ma.hasShapes())
        div.setHasPolygons(true);
    div.startDivision();
    processPoints(map, div, points);
    processLines(map, div, lines);
    processShapes(map, div, shapes);
    div.endDivision();
    return div;
}

Example 5 with Subdivision

use of uk.me.parabola.imgfmt.app.trergn.Subdivision in project mkgmap by openstreetmap.

the class MapBuilder method makeTopArea.

/**
 * Create the top level subdivision.
 *
 * There must be an empty zoom level at the least detailed level. As it
 * covers the whole area in one it must be zoomed out enough so that
 * this can be done.
 *
 * Note that the width is a 16 bit quantity, but the top bit is a
 * flag and so that leaves only 15 bits into which the actual width
 * can fit.
 *
 * @param src  The source of map data.
 * @param map  The map being created.
 * @param zoom The zoom level.
 * @return The new top level subdivision.
 */
private static Subdivision makeTopArea(MapDataSource src, Map map, Zoom zoom) {
    Subdivision topdiv = map.topLevelSubdivision(src.getBounds(), zoom);
    topdiv.setLast(true);
    return topdiv;
}