Examples with MapLine uk.me.parabola.mkgmap.general.MapLine used on opensource projects

Example 11 with MapLine

use of uk.me.parabola.mkgmap.general.MapLine in project mkgmap by openstreetmap.

the class MapBuilder method normalizeCountries.

/**
 * Process the country names of all elements and normalize them
 * so that one consistent country name is used for the same country
 * instead of different spellings.
 * @param src the source of elements
 */
private void normalizeCountries(MapDataSource src) {
    for (MapPoint p : src.getPoints()) {
        String countryStr = p.getCountry();
        if (countryStr != null) {
            countryStr = locator.normalizeCountry(countryStr);
            p.setCountry(countryStr);
        }
    }
    for (MapLine l : src.getLines()) {
        String countryStr = l.getCountry();
        if (countryStr != null) {
            countryStr = locator.normalizeCountry(countryStr);
            l.setCountry(countryStr);
        }
    }
// shapes do not have address information
// untag the following lines if this is wrong
// for (MapShape s : src.getShapes()) {
// String countryStr = s.getCountry();
// if (countryStr != null) {
// countryStr = locator.normalizeCountry(countryStr);
// s.setCountry(countryStr);
// }
// }
}

Example 12 with MapLine

use of uk.me.parabola.mkgmap.general.MapLine 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 13 with MapLine

use of uk.me.parabola.mkgmap.general.MapLine in project mkgmap by openstreetmap.

the class MapBuilder method processLines.

/**
 * Step through the lines, filter, simplify if necessary, and create a map
 * line which is then added to the map.
 *
 * Note that the location and resolution of map elements is relative to the
 * subdivision that they occur in.
 *
 * @param map	The map to add points to.
 * @param div	The subdivision that the lines belong to.
 * @param lines The lines to be added.
 */
private void processLines(Map map, Subdivision div, List<MapLine> lines) {
    // Signal that we are beginning to draw the lines.
    div.startLines();
    int res = div.getResolution();
    FilterConfig config = new FilterConfig();
    config.setResolution(res);
    config.setLevel(div.getZoom().getLevel());
    config.setRoutable(doRoads);
    // Maybe more efficient if merging before creating subdivisions.
    if (mergeLines) {
        LineMergeFilter merger = new LineMergeFilter();
        lines = merger.merge(lines, res);
    }
    LayerFilterChain filters = new LayerFilterChain(config);
    if (enableLineCleanFilters && (res < 24)) {
        filters.addFilter(new RoundCoordsFilter());
        filters.addFilter(new SizeFilter(MIN_SIZE_LINE));
        if (reducePointError > 0)
            filters.addFilter(new DouglasPeuckerFilter(reducePointError));
    }
    filters.addFilter(new LineSplitterFilter());
    filters.addFilter(new RemoveEmpty());
    filters.addFilter(new RemoveObsoletePointsFilter());
    filters.addFilter(new LinePreparerFilter(div));
    filters.addFilter(new LineAddFilter(div, map, doRoads));
    for (MapLine line : lines) {
        if (line.getMinResolution() > res)
            continue;
        filters.startFilter(line);
    }
}

Example 14 with MapLine

use of uk.me.parabola.mkgmap.general.MapLine in project mkgmap by openstreetmap.

the class MapBuilder method processRoads.

private void processRoads(Map map, MapDataSource src) {
    LBLFile lbl = map.getLblFile();
    MapPoint searchPoint = new MapPoint();
    for (MapLine line : src.getLines()) {
        if (line.isRoad()) {
            String cityName = line.getCity();
            String cityCountryName = line.getCountry();
            String cityRegionName = line.getRegion();
            String zipStr = line.getZip();
            if (cityName == null && locationAutofill.contains("nearest")) {
                // Get name of next city if untagged
                searchPoint.setLocation(line.getLocation());
                MapPoint nextCity = locator.findNextPoint(searchPoint);
                if (nextCity != null) {
                    cityName = nextCity.getCity();
                    // city/region/country fields should match to the found city
                    cityCountryName = nextCity.getCountry();
                    cityRegionName = nextCity.getRegion();
                    // use the zip code only if no zip code is known
                    if (zipStr == null)
                        zipStr = nextCity.getZip();
                }
            }
            MapRoad road = (MapRoad) line;
            road.resetImgData();
            City roadCity = calcCity(lbl, cityName, cityRegionName, cityCountryName);
            if (roadCity != null)
                road.addRoadCity(roadCity);
            if (zipStr != null) {
                road.addRoadZip(lbl.createZip(zipStr));
            }
            List<Numbers> numbers = road.getRoadDef().getNumbersList();
            if (numbers != null) {
                for (Numbers num : numbers) {
                    for (int i = 0; i < 2; i++) {
                        boolean left = (i == 0);
                        ZipCodeInfo zipInfo = num.getZipCodeInfo(left);
                        if (zipInfo != null && zipInfo.getZipCode() != null) {
                            Zip zip = zipInfo.getImgZip();
                            if (zipInfo.getImgZip() == null) {
                                zip = lbl.createZip(zipInfo.getZipCode());
                                zipInfo.setImgZip(zip);
                            }
                            if (zip != null)
                                road.addRoadZip(zip);
                        }
                        CityInfo cityInfo = num.getCityInfo(left);
                        if (cityInfo != null) {
                            City city = cityInfo.getImgCity();
                            if (city == null) {
                                city = calcCity(lbl, cityInfo.getCity(), cityInfo.getRegion(), cityInfo.getCountry());
                                cityInfo.setImgCity(city);
                            }
                            if (city != null)
                                road.addRoadCity(city);
                        }
                    }
                }
            }
        }
    }
}

Example 15 with MapLine

use of uk.me.parabola.mkgmap.general.MapLine in project mkgmap by openstreetmap.

the class RemoveObsoletePointsFilter method doFilter.

/**
 * @param element A map element that will be a line or a polygon.
 * @param next This is used to pass the possibly transformed element onward.
 */
public void doFilter(MapElement element, MapFilterChain next) {
    MapLine line = (MapLine) element;
    List<Coord> points = line.getPoints();
    int numPoints = points.size();
    if (numPoints <= 1) {
        return;
    }
    int requiredPoints = (line instanceof MapShape) ? 4 : 2;
    List<Coord> newPoints = new ArrayList<Coord>(numPoints);
    while (true) {
        boolean removedSpike = false;
        numPoints = points.size();
        Coord lastP = points.get(0);
        newPoints.add(lastP);
        for (int i = 1; i < numPoints; i++) {
            Coord newP = points.get(i);
            int last = newPoints.size() - 1;
            lastP = newPoints.get(last);
            if (lastP.equals(newP)) {
                // coordinates to the last point or is preserved
                if (checkPreserved && line.isRoad()) {
                    if (newP.preserved() == false)
                        continue;
                    else if (lastP.preserved() == false) {
                        // replace last
                        newPoints.set(last, newP);
                    }
                } else
                    continue;
            }
            if (newPoints.size() > 1) {
                switch(Utils.isStraight(newPoints.get(last - 1), lastP, newP)) {
                    case Utils.STRICTLY_STRAIGHT:
                        if (checkPreserved && lastP.preserved() && line.isRoad()) {
                        // keep it
                        } else {
                            log.debug("found three consecutive points on strictly straight line");
                            newPoints.set(last, newP);
                            continue;
                        }
                        break;
                    case Utils.STRAIGHT_SPIKE:
                        if (line instanceof MapShape) {
                            log.debug("removing spike");
                            newPoints.remove(last);
                            removedSpike = true;
                            if (newPoints.get(last - 1).equals(newP))
                                continue;
                        }
                        break;
                    default:
                        break;
                }
            }
            newPoints.add(newP);
        }
        if (!removedSpike || newPoints.size() < requiredPoints)
            break;
        points = newPoints;
        newPoints = new ArrayList<Coord>(points.size());
    }
    if (line instanceof MapShape) {
        // in a shape are identical.
        while (newPoints.size() > 3) {
            int nPoints = newPoints.size();
            switch(Utils.isStraight(newPoints.get(newPoints.size() - 2), newPoints.get(0), newPoints.get(1))) {
                case Utils.STRAIGHT_SPIKE:
                    newPoints.remove(0);
                    newPoints.set(newPoints.size() - 1, newPoints.get(0));
                    if (newPoints.get(newPoints.size() - 2).equals(newPoints.get(newPoints.size() - 1)))
                        newPoints.remove(newPoints.size() - 1);
                    break;
                case Utils.STRICTLY_STRAIGHT:
                    newPoints.remove(newPoints.size() - 1);
                    newPoints.set(0, newPoints.get(newPoints.size() - 1));
                    break;
            }
            if (nPoints == newPoints.size())
                break;
        }
    }
    if (newPoints.size() != line.getPoints().size()) {
        if (line instanceof MapShape && newPoints.size() <= 3 || newPoints.size() <= 1)
            return;
        MapLine newLine = line.copy();
        newLine.setPoints(newPoints);
        next.doFilter(newLine);
    } else {
        // no need to create new object
        next.doFilter(line);
    }
}