Example usage for com.google.gwt.maps.client.maptypes ImageMapTypeOptions setMinZoom

Introduction

In this page you can find the example usage for com.google.gwt.maps.client.maptypes ImageMapTypeOptions setMinZoom.

Prototype

public final native void setMinZoom(int minZoom) ;

Source Link

Document

sets The minimum zoom level for the map when displaying this MapType.

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);//from  w w w.jav a  2 s.c  om
    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);
}

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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);
    opts.setMaxZoom(12);/*from  w ww  .ja v a2 s  .c  om*/
    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);
}

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

License:Apache License

/**
 * Example from <a href=/*from  w  ww . j av 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);
}

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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);
    opts.setMaxZoom(ZOOM_MAX);/*from w  w w. ja  v a2  s . c  o  m*/
    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);
}

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