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

Example 1 with Area

use of uk.me.parabola.imgfmt.app.Area 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 Area

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

the class DEMFile method calcTREBounds.

private Area calcTREBounds(Area area, int alignment) {
    int treTop = area.getMaxLat() + 1;
    int treLeft = area.getMinLong() - 1;
    int treBottom = area.getMinLat() + 1;
    int treRight = area.getMaxLong() - 1;
    while (treTop % alignment != 0) ++treTop;
    while (treLeft % alignment != 0) --treLeft;
    while (treBottom % alignment != 0) ++treBottom;
    while (treRight % alignment != 0) --treRight;
    treBottom -= alignment;
    treRight += alignment;
    treRight = Math.min(treRight, Utils.MAX_LON_MAP_UNITS);
    treLeft = Math.max(treLeft, Utils.MIN_LON_MAP_UNITS);
    treTop = Math.min(treTop, Utils.MAX_LAT_MAP_UNITS);
    treBottom = Math.max(treBottom, Utils.MIN_LAT_MAP_UNITS);
    Area treArea = new Area(treBottom, treLeft, treTop, treRight);
    return treArea;
}

Example 3 with Area

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

the class DEMFile method calc.

/**
 * Calculate the DEM data for a tile.
 *
 * @param area
 *            the bounding box of the tile
 * @param demPolygonMapUnits
 *            a bounding polygon which might be smaller than the area
 * @param pathToHGT
 *            comma separated list of directories or zip files
 * @param pointDistances
 *            list of distances which determine the resolution
 * @param outsidePolygonHeight
 *            the height value that should be used for points outside of the
 *            bounding polygon
 * @return a new bounding box that should be used for the TRE file
 */
public Area calc(Area area, java.awt.geom.Area demPolygonMapUnits, String pathToHGT, List<Integer> pointDistances, short outsidePolygonHeight, InterpolationMethod interpolationMethod) {
    // HGT area is extended by EXTRA degrees in each direction
    HGTConverter hgtConverter = new HGTConverter(pathToHGT, area, demPolygonMapUnits, EXTRA);
    hgtConverter.setInterpolationMethod(interpolationMethod);
    hgtConverter.setOutsidePolygonHeight(outsidePolygonHeight);
    log.info("orig bounds", area);
    int alignment = 4;
    Area treArea = calcTREBounds(area, alignment);
    log.info("TRE bounds", treArea);
    int top = treArea.getMaxLat() * 256;
    int bottom = treArea.getMinLat() * 256;
    int left = treArea.getMinLong() * 256;
    int right = treArea.getMaxLong() * 256;
    int zoom = 0;
    int lastDist = pointDistances.get(pointDistances.size() - 1);
    for (int pointDist : pointDistances) {
        int distance = pointDist;
        if (distance == -1) {
            int res = (hgtConverter.getHighestRes() > 0) ? hgtConverter.getHighestRes() : 1200;
            distance = (int) Math.round((1 << 29) / (res * 45.0D));
        }
        // last 4 bits of distance should be 0
        distance = ((distance + 8) / 16) * 16;
        int xTop = top;
        int xLeft = left;
        // widening of HGT area
        if (distance < (int) Math.floor((EXTRA / 45.0D * (1 << 29)))) {
            xTop = moveUp(top, distance);
            xLeft = moveLeft(left, distance);
        }
        DEMSection section = new DEMSection(zoom++, xTop, xLeft, xTop - bottom, right - xLeft, hgtConverter, distance, pointDist == lastDist);
        demHeader.addSection(section);
    }
    return treArea;
}

Example 4 with Area

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

the class OsmHandler method setBBox.

/**
 * Actually set the bounding box.  The boundary values are given.
 */
protected void setBBox(double minlat, double minlong, double maxlat, double maxlong) {
    if (minlat == maxlat || minlong == maxlong) {
        // silently ignore bounds with dim 0
        return;
    }
    Area bbox = new Area(minlat, minlong, maxlat, maxlong);
    saver.setBoundingBox(bbox);
}

Example 5 with Area

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

the class SimpleTest method testBasic.

/**
 * A very basic check that the size of all the sections has not changed.
 * This can be used to make sure that a change that is not expected to
 * change the output does not do so.
 *
 * The sizes will have to be always changed when the output does change
 * though.
 */
@Test
public void testBasic() throws FileNotFoundException {
    Main.mainNoSystemExit(Args.TEST_STYLE_ARG, "--preserve-element-order", Args.TEST_RESOURCE_OSM + "uk-test-1.osm.gz");
    MapReader mr = new MapReader(Args.DEF_MAP_ID + ".img");
    TestUtils.registerFile(mr);
    // FileSystem fs = ImgFS.openFs(Args.DEF_MAP_ID + ".img");
    assertNotNull("file exists", mr);
    Area bounds = mr.getTreBounds();
    Area expBox = new Area(2402404, -11185, 2407064, -6524);
    assertEquals("bounds of map", expBox, bounds);
    List<Point> list = mr.pointsForLevel(0, MapReader.WITH_EXT_TYPE_DATA);
    assertEquals("number of points at level 0", 204, list.size());
    List<Polyline> list1 = mr.linesForLevel(0);
    assertEquals("number of lines at level 0", 3382, list1.size());
}