Example usage for com.google.gwt.maps.client.base Point getY

List of usage examples for com.google.gwt.maps.client.base Point getY

Introduction

In this page you can find the example usage for com.google.gwt.maps.client.base Point getY.

Prototype

public final native double getY() ;

Source Link

Document

get Y coordinate

Usage

From source file:com.google.gwt.maps.testing.client.maps.ImageMapTypeWidget.java

License:Apache License

private ImageMapType getMoonMapType() {
    ImageMapTypeOptions opts = ImageMapTypeOptions.newInstance();
    opts.setMaxZoom(9);/*w  ww. ja v a 2  s.c o  m*/
    opts.setMinZoom(0);
    opts.setName(LUNAR_NAME);
    opts.setTileSize(Size.newInstance(256d, 256d));
    opts.setTileUrl(new TileUrlCallBack() {

        @Override
        public String getTileUrl(Point point, int zoomLevel) {
            Point normalizedCoord = getNormalizedCoord(point, zoomLevel);
            if (normalizedCoord == null) {
                return null;
            }

            double bound = Math.pow(2, zoomLevel);
            return "http://mw1.google.com/mw-planetary/lunar/lunarmaps_v1/clem_bw" + "/" + zoomLevel + "/"
                    + (int) normalizedCoord.getX() + "/" + (int) (bound - normalizedCoord.getY() - 1) + ".jpg";
        }
    });

    return ImageMapType.newInstance(opts);
}

From source file:com.google.gwt.maps.testing.client.maps.ImageMapTypeWidget.java

License:Apache License

private ImageMapType getMarsMapType() {

    ImageMapTypeOptions opts = ImageMapTypeOptions.newInstance();
    opts.setTileSize(Size.newInstance(256d, 256d));
    opts.setMinZoom(0);/*from   w w  w . j a  v  a2s . co m*/
    opts.setMaxZoom(12);
    opts.setName(MARTIAN_NAME);
    opts.setTileUrl(new TileUrlCallBack() {

        @Override
        public String getTileUrl(Point point, int zoomLevel) {

            double bound = Math.pow(2, zoomLevel);
            double x = point.getX();
            double y = point.getY();

            // don't repeat across y-axis (vertically)
            if (y < 0 || y >= bound) {
                return null;
            }

            // repeat across x-axis
            if (x < 0 || x >= bound) {
                x = (x % bound + bound) % bound;
            }

            String qstr = "t";
            for (int z = 0; z < zoomLevel; z++) {
                bound = bound / 2;
                if (y < bound) {
                    if (x < bound) {
                        qstr += "q";
                    } else {
                        qstr += "r";
                        x -= bound;
                    }
                } else {
                    if (x < bound) {
                        qstr += "t";
                        y -= bound;
                    } else {
                        qstr += "s";
                        x -= bound;
                        y -= bound;
                    }
                }
            }
            return "http://mw1.google.com/mw-planetary/mars/infrared/" + qstr + ".jpg";
        }
    });

    return ImageMapType.newInstance(opts);
}

From source file:com.google.gwt.maps.testing.client.maps.ImageMapTypeWidget.java

License:Apache License

public final static Point getNormalizedCoord(Point coord, int zoom) {
    double y = coord.getY();
    double x = coord.getX();

    // tile range in one direction range is dependent on zoom level
    // 0 = 1 tile, 1 = 2 tiles, 2 = 4 tiles, 3 = 8 tiles, etc
    double tileRange = 1 << zoom;

    // don't repeat across y-axis (vertically)
    if (y < 0 || y >= tileRange) {
        return null;
    }//from   w  ww.ja  v  a2s.  c  om

    // repeat across x-axis
    if (x < 0 || x >= tileRange) {
        x = (x % tileRange + tileRange) % tileRange;
    }

    return Point.newInstance(x, y);
}

From source file:com.google.gwt.maps.testing.client.maps.OpenStreetMapLayerWidget.java

License:Apache License

/**
 * Example from <a href=/*from   w  w  w  .  ja v a  2 s .c om*/
 * 'https://github.com/branflake2267/GWT-Maps-V3-Api/issues/125'>GitHub
 * Issue</a>
 * 
 * @return
 */
private ImageMapType getOsmMapType() {
    ImageMapTypeOptions opts = ImageMapTypeOptions.newInstance();
    opts.setMaxZoom(20);
    opts.setMinZoom(1);
    opts.setName("OpenStreetMap");

    // this is where the magic happens :)
    opts.setTileSize(Size.newInstance(256, 256));
    opts.setTileUrl(new TileUrlCallBack() {
        public String getTileUrl(Point point, int zoom) {
            return "http://tile.openstreetmap.org/" + zoom + "/" + ((int) point.getX()) + "/"
                    + ((int) point.getY()) + ".png";
        }
    });
    return ImageMapType.newInstance(opts);
}

From source file:com.google.gwt.maps.testing.client.maps.OverlayViewMapWidget.java

License:Apache License

private void drawOverlay_Generic_OverlayView() {
    OverlayViewOnDrawHandler onDrawHandler = new OverlayViewOnDrawHandler() {
        @Override/*w ww . ja  v  a  2s  . c  om*/
        public void onDraw(OverlayViewMethods methods) {
            MapCanvasProjection projection = methods.getProjection();
            LatLng sw = LatLng.newInstance(40.710216, -74.213393);
            Point p = projection.fromLatLngToDivPixel(sw);
            htmlOverlayMessage.getElement().getStyle().setPosition(Position.ABSOLUTE);
            htmlOverlayMessage.getElement().getStyle().setLeft(p.getX(), Unit.PX);
            htmlOverlayMessage.getElement().getStyle().setTop(p.getY(), Unit.PX);

            String message = "OverlayView draw() called... the projection world width is "
                    + projection.getWorldWidth();
            htmlOverlayMessage.clear();
            htmlOverlayMessage.add(new HTML(message));
            System.out.println(message);
        }
    };

    OverlayViewOnAddHandler onAddHandler = new OverlayViewOnAddHandler() {
        @Override
        public void onAdd(OverlayViewMethods methods) {
            MapCanvasProjection projection = methods.getProjection();
            String message = "OverlayView add() called... the projection world width is "
                    + projection.getWorldWidth();
            System.out.println(message);

            methods.getPanes().getFloatPane().appendChild(htmlOverlayMessage.getElement());
        }
    };

    OverlayViewOnRemoveHandler onRemoveHandler = new OverlayViewOnRemoveHandler() {
        @Override
        public void onRemove(OverlayViewMethods methods) {
            String message = "OverlayView remove() called...";
            System.out.println(message);

            // remove existing nodes
            htmlOverlayMessage.getElement().removeFromParent();
        }
    };

    customOverlayView = OverlayView.newInstance(mapWidget, onDrawHandler, onAddHandler, onRemoveHandler);
}

From source file:com.mashery.examples.api.client.weatherbug.WeatherBugOverlayView.java

License:Open Source License

@Override
public void draw() {
    HasLatLngBounds bounds = getMap().getBounds();
    HasMapCanvasProjection ovrPrj = getProjection();
    HasPoint ovrNE = ovrPrj.fromLatLngToDivPixel(bounds.getNorthEast());
    HasPoint ovrSW = ovrPrj.fromLatLngToDivPixel(bounds.getSouthWest());

    div.getStyle().setLeft(ovrSW.getX(), Unit.PX);
    div.getStyle().setTop(ovrNE.getY(), Unit.PX);
    div.getStyle().setWidth(ovrNE.getX() - ovrSW.getX(), Unit.PX);
    div.getStyle().setHeight(ovrSW.getY() - ovrNE.getY(), Unit.PX);

    String endpoint = WEATHERBUG_ENDPOINT.replace("${layerType}", layerType.getPath());
    HashSet<TileKey> usedTiles = new HashSet<TileKey>();

    int zoom = getMap().getZoom();
    double scale = Math.pow(2d, zoom);
    HasProjection prj = getMap().getProjection();
    LatLng nwLatLng = new LatLng(bounds.getNorthEast().getLatitude(), bounds.getSouthWest().getLongitude());
    HasPoint nwRaw = prj.fromLatLngToPoint(nwLatLng);
    LatLng seLatLng = new LatLng(bounds.getSouthWest().getLatitude(), bounds.getNorthEast().getLongitude());
    HasPoint seRaw = prj.fromLatLngToPoint(seLatLng);

    Point nw = new Point(Math.floor(nwRaw.getX() * scale), Math.floor(nwRaw.getY() * scale));
    Point se = new Point(Math.floor(seRaw.getX() * scale), Math.floor(seRaw.getY() * scale));

    double offsetX = nw.getX() % 256d;
    double offsetY = nw.getY() % 256d;
    Point startPoint = new Point(nw.getX() - offsetX, nw.getY() - offsetY);

    while (startPoint.getY() < se.getY()) {
        Point p = new Point(startPoint.getX(), startPoint.getY());
        startPoint = new Point(startPoint.getX(), startPoint.getY() + 256);
        while (p.getX() < se.getX()) {
            int tx = (int) p.getX() / 256;
            int ty = (int) p.getY() / 256;

            TileKey tileKey = new TileKey(tx, ty, zoom);
            usedTiles.add(tileKey);/*from w  w  w  .j  av a  2 s.  com*/

            ImageElement img = tiles.remove(tileKey);
            if (img == null) {
                img = Document.get().createImageElement();
                img.getStyle().setBorderStyle(BorderStyle.NONE);
                img.getStyle().setBorderWidth(0d, Unit.PX);
                img.getStyle().setPosition(Position.ABSOLUTE);

                StringBuilder buf = new StringBuilder(endpoint);
                buf.append("&tx=").append(tx);
                buf.append("&ty=").append(ty);
                buf.append("&zm=").append(zoom);
                img.setSrc(buf.toString());

                div.appendChild(img);
            } else {
                img.getStyle().setVisibility(Visibility.VISIBLE);
            }

            img.getStyle().setLeft(p.getX() - nw.getX(), Unit.PX);
            img.getStyle().setTop(p.getY() - nw.getY(), Unit.PX);
            img.getStyle().setWidth(256d, Unit.PX);
            img.getStyle().setHeight(256d, Unit.PX);
            tiles.put(tileKey, img);

            p = new Point(p.getX() + 256, p.getY());
        }
    }

    for (Iterator<Map.Entry<TileKey, ImageElement>> i = tiles.entrySet().iterator(); i.hasNext();) {
        Map.Entry<TileKey, ImageElement> entry = i.next();
        if (!usedTiles.remove(entry.getKey())) {
            if (tiles.size() > TILE_CACHE_SIZE) {
                i.remove();
                entry.getValue().removeFromParent();
            } else {
                entry.getValue().getStyle().setVisibility(Visibility.HIDDEN);
            }
        }
    }
}

From source file:org.rebioma.client.maps.EnvLayer.java

License:Apache License

public static EnvLayer newInstance(AscData data) {
    final EnvLayer envLayer = new EnvLayer();
    envLayer.data = data;/*from w w w . j  a  va 2  s .  c om*/
    envLayer.imageMapTypeOptions.setTileSize(Size.newInstance(256, 256));
    envLayer.imageMapTypeOptions.setOpacity(0.5);
    //envLayer.setOpacity(opacity);
    envLayer.baseUrl = GWT.getModuleBaseURL() + "ascOverlay?f=" + data.getFileName();
    envLayer.imageMapTypeOptions.setTileUrl(new TileUrlCallBack() {
        @Override
        public String getTileUrl(Point point, int zoomLevel) {
            String tileUrl = envLayer.baseUrl;
            tileUrl += "&x=" + new Double(Math.rint(point.getX())).intValue();
            tileUrl += "&y=" + new Double(Math.rint(point.getY())).intValue();
            tileUrl += "&z=" + zoomLevel;
            return tileUrl;
        }
    });
    return envLayer;
}

From source file:pl.itrack.client.local.services.maps.TricitySchemaService.java

License:Apache License

private ImageMapType getCitySchemaMapType() {
    ImageMapTypeOptions opts = ImageMapTypeOptions.newInstance();
    opts.setMinZoom(ZOOM_MIN);//w w w .  j  a v  a  2  s .  c  om
    opts.setMaxZoom(ZOOM_MAX);
    opts.setName(MAP_TYPE_ID);
    opts.setTileSize(Size.newInstance(TILE_SIZE, TILE_SIZE));
    opts.setTileUrl((point, zoomLevel) -> {
        Point normalizedCoord = getNormalizedCoords(point, zoomLevel);

        if (normalizedCoord == null) {
            return null;
        }

        return TILE_IMAGES_PATH + PATH_SEPARATOR + (zoomLevel - 2) + PATH_SEPARATOR + +(zoomLevel - 2)
                + TILE_IMAGES_FILE_NAME_SEPARATOR + (int) normalizedCoord.getY()
                + TILE_IMAGES_FILE_NAME_SEPARATOR + (int) normalizedCoord.getX() + FILE_EXTENSION_SEPARATOR
                + TILE_IMAGES_FILE_EXTENSION;
    });

    return ImageMapType.newInstance(opts);
}

From source file:pl.itrack.client.local.services.maps.TricitySchemaService.java

License:Apache License

private static Point getNormalizedCoords(Point coords, int zoom) {
    double x = coords.getX();
    double y = coords.getY();

    double currentTileRange = BASE_TILE_RANGE << (zoom - 2);

    // repeat horizontal
    if (x < 0 || x >= currentTileRange) {
        //x = (x % currentTileRange + currentTileRange) % currentTileRange;
        return null;
    }/*from  w  ww .  ja  va2  s .  co m*/

    // repeat vertical
    if (y < 0 || y >= currentTileRange) {
        //y = (y % currentTileRange + currentTileRange) % currentTileRange;
        return null;
    }

    return Point.newInstance(x, y);
}