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

Example 31 with Area

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

the class MapSplitter method addAreasToList.

/**
 * Adds map areas to a list.  If an area has too many features, then it
 * is split into 2 and this routine is called recursively to add the new
 * areas.
 *
 * @param areas The areas to add to the list (and possibly split up).
 * @param alist The list that will finally contain the complete list of
 * map areas.
 */
private void addAreasToList(MapArea[] areas, List<MapArea> alist, int depth) {
    int shift = zoom.getShiftValue();
    for (MapArea area : areas) {
        if (!area.hasData())
            continue;
        Area bounds = area.getBounds();
        int[] sizes = area.getEstimatedSizes();
        if (log.isInfoEnabled()) {
            String padding = depth + "                                                                      ";
            log.info(padding.substring(0, (depth + 1) * 2) + bounds.getWidth() + "x" + bounds.getHeight() + ", points = " + area.getNumPoints() + "/" + sizes[MapArea.POINT_KIND] + ", lines = " + area.getNumLines() + "/" + sizes[MapArea.LINE_KIND] + ", shapes = " + area.getNumShapes() + "/" + sizes[MapArea.SHAPE_KIND]);
        }
        boolean wantSplit = false;
        boolean mustSplit = false;
        if (area.getNumLines() > MAX_NUM_LINES || area.getNumPoints() > MAX_NUM_POINTS || (sizes[MapArea.POINT_KIND] + sizes[MapArea.LINE_KIND] + sizes[MapArea.SHAPE_KIND]) > MAX_RGN_SIZE || sizes[MapArea.XT_POINT_KIND] > MAX_XT_POINTS_SIZE || sizes[MapArea.XT_LINE_KIND] > MAX_XT_LINES_SIZE || sizes[MapArea.XT_SHAPE_KIND] > MAX_XT_SHAPES_SIZE)
            mustSplit = true;
        else if (bounds.getMaxDimension() > (MIN_DIMENSION << shift)) {
            int sumSize = 0;
            for (int s : sizes) sumSize += s;
            if (sumSize > WANTED_MAX_AREA_SIZE) {
                // area has more bytes than wanted, and large enough to split
                log.debug("splitting area because data size is larger than wanted:", sumSize);
                wantSplit = true;
            }
        }
        if (wantSplit || mustSplit) {
            if (!area.canSplit()) {
                if (mustSplit)
                    log.error("Single item predicted to exceed subdivision", area.getBounds().getCenter().toOSMURL());
                else
                    log.info("Single item larger that WANTED_MAX_AREA_SIZE", area.getBounds().getCenter().toOSMURL());
            } else if (bounds.getMaxDimension() > (MIN_DIMENSION << shift)) {
                log.debug("splitting area in half", area, mustSplit, wantSplit);
                MapArea[] sublist;
                if (bounds.getWidth() > bounds.getHeight())
                    sublist = area.split(2, 1, bounds, false);
                else
                    sublist = area.split(1, 2, bounds, false);
                if (sublist == null)
                    log.error("SubDivision split failed at", area.getBounds().getCenter().toOSMURL());
                else {
                    addAreasToList(sublist, alist, depth + 1);
                    continue;
                }
            } else if (mustSplit) {
                // can't reduce size, so force more subdivisions
                log.debug("splitting area by contents", area);
                MapArea[] sublist = area.split(1, 1, bounds, true);
                addAreasToList(sublist, alist, depth + 1);
                continue;
            }
        }
        log.debug("adding area unsplit: has points", area.hasPoints());
        alist.add(area);
    }
}

Example 32 with Area

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

the class OverviewBuilder method addMapCoverageArea.

/**
 * Add an area that shows the area covered by a detailed map.  This can
 * be an arbitary shape, although at the current time we only support
 * rectangles.
 *
 * @param finfo Information about a detail map.
 */
private void addMapCoverageArea(FileInfo finfo) {
    Area bounds = finfo.getBounds();
    List<Coord> points = bounds.toCoords();
    for (Coord co : points) {
        overviewSource.addToBounds(co);
    }
    // Create the tile coverage rectangle
    MapShape bg = new MapShape();
    bg.setType(0x4a);
    bg.setPoints(points);
    bg.setMinResolution(0);
    bg.setName(finfo.getDescription() + '\u001d' + finfo.getMapname());
    overviewSource.addShape(bg);
}

Example 33 with Area

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

the class PolygonSplitterBase method split.

/**
 * Split the given shape and place the resulting shapes in the outputs list.
 * @param shape The original shape (that is too big).
 * @param outputs The output list.
 */
protected void split(MapShape shape, List<MapShape> outputs) {
    int dividingLine = 0;
    boolean isLongitude = false;
    Area bounds = shape.getBounds();
    if (bounds.getWidth() > bounds.getHeight()) {
        isLongitude = true;
        Area[] tmpAreas = bounds.split(2, 1, shift);
        dividingLine = tmpAreas != null ? tmpAreas[0].getMaxLong() : (bounds.getMinLong() + bounds.getWidth() / 2);
    } else {
        Area[] tmpAreas = bounds.split(1, 2, shift);
        dividingLine = tmpAreas != null ? tmpAreas[0].getMaxLat() : (bounds.getMinLat() + bounds.getHeight() / 2);
    }
    List<List<Coord>> subShapePoints = new ArrayList<>();
    ShapeSplitter.splitShape(shape.getPoints(), dividingLine << Coord.DELTA_SHIFT, isLongitude, subShapePoints, subShapePoints, null);
    for (List<Coord> subShape : subShapePoints) {
        MapShape s = shape.copy();
        s.setPoints(subShape);
        outputs.add(s);
    }
}

Example 34 with Area

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

the class DebugWriter method writeOSM.

/**
 * Convert list of ways to osm file for debugging purposes.
 * @param bbox the bounding box for the osm file
 * @param outPath the directory
 * @param name the file name
 * @param convertedWays the list of ways
 */
public static void writeOSM(Area bbox, String outPath, String name, List<ConvertedWay> convertedWays) {
    if (outPath == null)
        return;
    File outDir = new File(outPath + "/.");
    if (outDir.getParentFile() != null) {
        outDir.getParentFile().mkdirs();
    }
    Map<String, byte[]> dummyMap = new HashMap<>();
    for (int pass = 1; pass <= 2; pass++) {
        IdentityHashMap<Coord, Integer> allPoints = new IdentityHashMap<>();
        uk.me.parabola.splitter.Area bounds = new uk.me.parabola.splitter.Area(bbox.getMinLat(), bbox.getMinLong(), bbox.getMaxLat(), bbox.getMaxLong());
        O5mMapWriter writer = new O5mMapWriter(bounds, outDir, 0, 0, dummyMap, dummyMap);
        writer.initForWrite();
        Integer nodeId;
        try {
            for (ConvertedWay cw : convertedWays) {
                if (cw == null)
                    continue;
                for (Coord p : cw.getPoints()) {
                    nodeId = allPoints.get(p);
                    if (nodeId == null) {
                        nodeId = allPoints.size();
                        allPoints.put(p, nodeId);
                        uk.me.parabola.splitter.Node nodeOut = new uk.me.parabola.splitter.Node();
                        if (pass == 1)
                            // high prec
                            nodeOut.set(nodeId + 1000000000L, p.getLatDegrees(), p.getLonDegrees());
                        else
                            nodeOut.set(nodeId + 1000000000L, Utils.toDegrees(p.getLatitude()), Utils.toDegrees(p.getLongitude()));
                        if (p instanceof CoordPOI) {
                            for (Map.Entry<String, String> tagEntry : ((CoordPOI) p).getNode().getTagEntryIterator()) {
                                nodeOut.addTag(tagEntry.getKey(), tagEntry.getValue());
                            }
                        }
                        writer.write(nodeOut);
                    }
                }
            }
            for (int w = 0; w < convertedWays.size(); w++) {
                ConvertedWay cw = convertedWays.get(w);
                if (cw == null)
                    continue;
                Way way = cw.getWay();
                uk.me.parabola.splitter.Way wayOut = new uk.me.parabola.splitter.Way();
                for (Coord p : way.getPoints()) {
                    nodeId = allPoints.get(p);
                    assert nodeId != null;
                    wayOut.addRef(nodeId + 1000000000L);
                }
                for (Map.Entry<String, String> tagEntry : way.getTagEntryIterator()) {
                    wayOut.addTag(tagEntry.getKey(), tagEntry.getValue());
                }
                wayOut.addTag("aaa-osm-id", Long.toString(way.getId()));
                wayOut.setId(w);
                writer.write(wayOut);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        writer.finishWrite();
        File f = new File(outDir.getAbsoluteFile(), "00000000.o5m");
        File ren = new File(outDir.getAbsoluteFile(), name + ((pass == 1) ? "_hp" : "_mu") + ".o5m");
        if (ren.exists())
            ren.delete();
        f.renameTo(ren);
    }
}

Example 35 with Area

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

the class LocationHook method end.

public void end() {
    long t1 = System.currentTimeMillis();
    log.info("Starting with location hook");
    Area nodesBounds = saver.getDataBoundingBox();
    if (nodesBounds != null) {
        Area bbox = saver.getBoundingBox();
        // calculate the needed bounding box
        Area searchBounds = bbox.intersect(nodesBounds);
        boundaryGrid = new BoundaryGrid(boundaryDirName, searchBounds, props);
        processLocationRelevantElements();
        boundaryGrid = null;
    }
    long dt = (System.currentTimeMillis() - t1);
    log.info("======= LocationHook Stats =====");
    log.info("QuadTree searches    :", cntQTSearch);
    log.info("unsuccesfull         :", cntNotFnd);
    log.info("unsuccesfull for ways:", cntwayNotFnd);
    log.info("Location hook finished in", dt, "ms");
}