com.esri.core.symbol.SimpleMarkerSymbol Java Examples

private void highlightGeometry(Point point) {
  if (point == null) {
    return;
  }

  graphicsLayer.removeAll();
  graphicsLayer.addGraphic(
    new Graphic(point, new SimpleMarkerSymbol(Color.CYAN, 20, SimpleMarkerSymbol.Style.CIRCLE)));
  
  // -----------------------------------------------------------------------------------------
  // Zoom to the highlighted graphic
  // -----------------------------------------------------------------------------------------
  Geometry geometryForZoom = GeometryEngine.buffer(
    point, 
    map.getSpatialReference(), 
    map.getFullExtent().getWidth() * 0.10, 
    map.getSpatialReference().getUnit());
  map.zoomTo(geometryForZoom);
}
 

/**
 * Adds graphics symbolized with SimpleMarkerSymbols.
 * @param graphicsLayer
 */
private void addSimpleMarkerGraphics(GraphicsLayer graphicsLayer, Envelope bounds) {
  SimpleMarkerSymbol symbol = new SimpleMarkerSymbol(Color.RED, 16, Style.CIRCLE);
  double xmin = bounds.getXMin();
  double xmax = bounds.getXMax();
  double xrand;
  double ymin = bounds.getYMin();
  double ymax = bounds.getYMax();
  double yrand;
  for (int i = 0; i < 1000; i++) {
    xrand = xmin + (int) (Math.random() * ((xmax - xmin) + 1));
    yrand = ymin + (int) (Math.random() * ((ymax - ymin) + 1));
    Point point = new Point(xrand, yrand);
    graphicsLayer.addGraphic(new Graphic(point, symbol));
  }
  
}
 

private void changeObserver(Point mapPoint) {
  // clear any graphics
  mGraphicsLayer.removeAll();
  // create a graphic to represent observer position
  Graphic graphic = new Graphic(mapPoint, new SimpleMarkerSymbol(
      Color.YELLOW, 20, SimpleMarkerSymbol.STYLE.CROSS));
  // add graphic to map
  mGraphicsLayer.addGraphic(graphic);
  //set observer on viewshed
  mTask.setObserver(mapPoint);
}
 

private void highlightGeometry(Point point) {
  if (point == null) {
    return;
  }

  graphicsLayer.removeAll();
  graphicsLayer.addGraphic(
    new Graphic(point, new SimpleMarkerSymbol(Color.CYAN, 20, SimpleMarkerSymbol.Style.CIRCLE)));
  
  // -----------------------------------------------------------------------------------------
  // Zoom to the highlighted graphic
  // -----------------------------------------------------------------------------------------
  // from base map's information, zoom to a resolution so that city is in focus
  map.zoomToResolution(0.02197265625, point);
}
 

private void handleAddGraphic(MouseEvent mapEvent) {
  Point p = jMap.toMapPoint(mapEvent.getPoint().x, mapEvent.getPoint().y);
  // Tip: use the right symbol for geometry
  SimpleMarkerSymbol s = new SimpleMarkerSymbol(Color.RED, 14, Style.CROSS);
  //SimpleLineSymbol s = new SimpleLineSymbol(Color.RED, 10);
  graphicsLayer.addGraphic(new Graphic(p, s));  
}
 

private void addEllipses(int numberOfEllipses) {
  SimpleMarkerSymbol[] symbols = {symbol4, symbol3, symbol2, symbol1};
  // some values that works well
  int majorAxisLength = 4612483;
  int minorAxisLength = 1843676;

  centerPoint = new Point(500000-5000000, 500000 + 3000000);
  centerGraphicsLayer.addGraphic(new Graphic(centerPoint, null));

  for (int i = 0; i < numberOfEllipses; i++) {
    Point center = new Point(random.nextInt(500000)-5000000, random.nextInt(500000) + 3000000);
    int majorAxisDirection = random.nextInt(60);
    LinearUnit unit = new LinearUnit(LinearUnit.Code.METER);

    Geometry ellipse = GeometryEngine.geodesicEllipse(center, map.getSpatialReference(), majorAxisLength, minorAxisLength,
        majorAxisDirection, pointCount, unit, Geometry.Type.MULTIPOINT);

    if (ellipse instanceof MultiPoint) {
      SimpleMarkerSymbol symbol = symbols[i%4];
      MultiPoint mp = (MultiPoint) ellipse;
      Ellipse currentEllipse = new Ellipse(mp); 
      ellipses.add(currentEllipse);
      int j = 0;
      while (j < mp.getPointCount()) {
        if (j%8==0) {
          Point point = mp.getPoint(j);
          int id = ellipseGraphicsLayer.addGraphic(new Graphic(point, symbol));
          currentEllipse.addPoint(id, j);
        }
        j++;
      }
    }
  }
}
 

private Symbol createPointSymbol(Color color, int num) {
  if (num < 2) {
    Symbol sms = new SimpleMarkerSymbol(color, 16, Style.CIRCLE);
    return sms;
  }
  List<Symbol> symbols = new ArrayList<Symbol>();
  symbols.add(new SimpleMarkerSymbol(color, 32, Style.CIRCLE));
  symbols.add(new TextSymbol(14, "" + num, Color.WHITE));
  CompositeSymbol cs = new CompositeSymbol(symbols);
  return cs;
}
 

private void addEllipses(int numberOfEllipses) {
  SimpleMarkerSymbol[] symbols = {symbol4, symbol3, symbol2, symbol1};
  // some values that works well
  int majorAxisLength = 4612483;
  int minorAxisLength = 1843676;

  centerPoint = new Point(500000-5000000, 500000 + 3000000);
  centerGraphicsLayer.addGraphic(new Graphic(centerPoint, null));

  for (int i = 0; i < numberOfEllipses; i++) {
    Point center = new Point(random.nextInt(500000)-5000000, random.nextInt(500000) + 3000000);
    int majorAxisDirection = random.nextInt(60);
    LinearUnit unit = new LinearUnit(LinearUnit.Code.METER);

    Geometry ellipse = GeometryEngine.geodesicEllipse(center, map.getSpatialReference(), majorAxisLength, minorAxisLength,
        majorAxisDirection, pointCount, unit, Geometry.Type.MULTIPOINT);

    if (ellipse instanceof MultiPoint) {
      SimpleMarkerSymbol symbol = symbols[i%4];
      MultiPoint mp = (MultiPoint) ellipse;
      Ellipse currentEllipse = new Ellipse(mp); 
      ellipses.add(currentEllipse);
      int j = 0;
      while (j < mp.getPointCount()) {
        if (j%8==0) {
          Point point = mp.getPoint(j);
          int id = ellipseGraphicsLayer.addGraphic(new Graphic(point, symbol));
          currentEllipse.addPoint(id, j);
        }
        j++;
      }
    }
  }
}
 

/**
 * Helper method that uses latitude/longitude points to programmatically 
 * draw a <code>SimpleMarkerSymbol</code> and adds the <code>Graphic</code> to map.
 * @param latitude
 * @param longitude
 * @param attributes
 * @param style You defined the style via the Enum <code>SimpleMarkerSymbol.STYLE</code>
 */
public static void addGraphicLatLon(double latitude, double longitude, Map<String, Object> attributes, 
		SimpleMarkerSymbol.STYLE style,int color,int size, GraphicsLayer graphicsLayer, MapView map){
	
	Point latlon = new Point(longitude,latitude);		
	
	//Convert latlon Point to mercator map point.
	Point point = (Point)GeometryEngine.project(latlon,SpatialReference.create(4326), map.getSpatialReference());		
	
	//Set market's color, size and style. You can customize these as you see fit
	SimpleMarkerSymbol symbol = new SimpleMarkerSymbol(color,size, style);			
	Graphic graphic = new Graphic(point, symbol,attributes);
	graphicsLayer.addGraphic(graphic);
}
 

@Override
public boolean onSingleTap(MotionEvent point) {

    if (mLocator == null) {
        Log.d(TAG, "Locator uninitialized : " + true);
        return super.onSingleTap(point);
    }
    // Add a graphic to the screen for the touch event
    Point mapPoint = mMapView.toMapPoint(point.getX(), point.getY());
    Graphic graphic = new Graphic(mapPoint, new SimpleMarkerSymbol(Color.BLUE, 10, STYLE.DIAMOND));
    mGraphicsLayer.addGraphic(graphic);

    String stopAddress = "";
    try {
        // Attempt to reverse geocode the point.
        // Our input and output spatial reference will
        // be the same as the map.
        SpatialReference mapRef = mMapView.getSpatialReference();
        LocatorReverseGeocodeResult result = mLocator.reverseGeocode(mapPoint, 50, mapRef, mapRef);

        // Construct a nicely formatted address from the results
        StringBuilder address = new StringBuilder();
        if (result != null && result.getAddressFields() != null) {
            Map<String, String> addressFields = result.getAddressFields();
            address.append(String.format("%s\n%s, %s %s", addressFields.get("Street"), addressFields.get("City"),
                    addressFields.get("State"), addressFields.get("ZIP")));
        }

        // Show the results of the reverse geocoding in
        // the map's callout.
        stopAddress = address.toString();
        showCallout(stopAddress, mapPoint);

    } catch (Exception e) {
        Log.v("Reverse Geocode", e.getMessage());
    }

    // Add the touch event as a stop
    StopGraphic stop = new StopGraphic(graphic);
    stop.setName(stopAddress.toString());
    mStops.addFeature(stop);

    return true;
}
 

@FXML
private void selectRedSymbol(ActionEvent event) {
 symbol = new SimpleMarkerSymbol(Color.RED, 12, Style.CIRCLE);
 mapMode = MapMode.ADD_GRAPHIC;
}
 

@FXML
private void selectGreenSymbol(ActionEvent event) {
 symbol = new SimpleMarkerSymbol(Color.GREEN, 12, Style.CIRCLE);
 mapMode = MapMode.ADD_GRAPHIC;
}
 

@FXML
private void selectBlueSymbol(ActionEvent event) {
 symbol = new SimpleMarkerSymbol(Color.BLUE, 12, Style.CIRCLE);
 mapMode = MapMode.ADD_GRAPHIC;
}
 

private static void writeResultToTable(
			Location location,
			LocationManager locationManager,
			String elapsedTimeGPSProvider,
			Boolean isNetworkAvailable){
		
    	_gpsLatitude = location.getLatitude();
    	_gpsLongitude = location.getLongitude();
    	_gpsAccuracy = location.getAccuracy();  
    	final double speed = location.getSpeed();
    	final double altitude = location.getAltitude();

    	String bestAvailableText = "";
    	
		boolean networkProviderEnabled = false; 	
		boolean gpsProviderEnabled = false;
		
		try{
			networkProviderEnabled = locationManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER);
			gpsProviderEnabled = locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER);
		}
		catch(Exception exc){
			Log.d("GPSTester","WriteResultToTable(): " + exc.getMessage());
		}

    	if(_networkAccuracy > _gpsAccuracy && _gpsAccuracy > 0.0 && gpsProviderEnabled == true){
    		_bestAvailableType = BestAvailableType.GPS;
    		bestAvailableText = "<b><font color='yellow'>Best Accuracy</font> = <font color='red'>GPS</b></font>" +
    				"<br><b>GPS Accuracy:</b> " + DECIMAL_FORMAT_4.format(_gpsAccuracy) + " meters" +
    				"<br><b>GPS Lat/Lon:</b> " + _gpsLatitude + ", " + _gpsLongitude;
    	}  	
    	else if(_gpsAccuracy > _networkAccuracy && _networkAccuracy > 0.0 && networkProviderEnabled == true){
    		_bestAvailableType = BestAvailableType.NETWORK;	    		
    		bestAvailableText = "<b><font color='yellow'><b><font color='yellow'>Best Accuracy</font> = <font color='red'>Network</b></font></b></font>" +
    				"<br><b>Network Accuracy:<b/> " + DECIMAL_FORMAT_4.format(_networkAccuracy) + " meters" +
    				"<br><b>Network Lat/Lon:<b/> " + _networkLatitude + ", " + _networkLongitude;
    	}
    	else if(_gpsAccuracy == 0.0 && _networkAccuracy > 0.0 && networkProviderEnabled == true){
    		_bestAvailableType = BestAvailableType.NETWORK;	    		
    		bestAvailableText = "<b><font color='yellow'><b><font color='yellow'>Best Accuracy</font> = <font color='red'>Network</b></font></b></font>" +
    				"<br><b>Network Accuracy:<b/> " + DECIMAL_FORMAT_4.format(_networkAccuracy) + " meters" +
    				"<br><b>Network Lat/Lon:<b/> " + _networkLatitude + ", " + _networkLongitude;    		
    	}
    	else if(_networkAccuracy == 0.0 && _gpsAccuracy > 0.0 && gpsProviderEnabled == true){
    		_bestAvailableType = BestAvailableType.GPS;
    		bestAvailableText = "<b><font color='yellow'>Best Accuracy</font> = <font color='red'>GPS</b></font>" +
    				"<br><b>GPS Accuracy:</b> " + DECIMAL_FORMAT_4.format(_gpsAccuracy) + " meters" +
    				"<br><b>GPS Lat/Lon:</b> " + _gpsLatitude + ", " + _gpsLongitude;    		
    	}
    	else{
    		_bestAvailableType = BestAvailableType.NULL;
    		bestAvailableText = "<b><font color='yellow'>Best Accuracy = N/A</b></font>" + 
    				"<br><b>Lat/Lon:</b> N/A" +  
    				"<br><b>Accuracy:</b> N/A";	    		
    	}
    	
	  	setBestAvailableImageView(_bestAvailableType);
		
		String elapsedTimeSinceLastGPS = _elapsedTimer.calculateTimeDifference(_initialGPSTime, _elapsedTimer.getElapsedtime());			  	
    	_initialGPSTime = _elapsedTimer.getElapsedtime();		
    	
	  	final String gpsLocationText = "<b><font color='yellow'>GPS Provider</b></font>" +
    		  	"<br><b>Timestamp:</b> " + _elapsedTimer.convertMillisToMDYHMSS(location.getTime()) +
				"<br><b>1st update elapsed time:</b> " + elapsedTimeGPSProvider +
			  	"<br><b>Since last update:</b> " + elapsedTimeSinceLastGPS +
		  		"<br><b>Lat/Lon:</b> " + _gpsLatitude + ", " + _gpsLongitude +
		  		"<br><b>DMSS:</b> " + 
		  			Location.convert(_gpsLatitude, Location.FORMAT_SECONDS) + ", " +					  			
		  			Location.convert(_gpsLongitude, Location.FORMAT_SECONDS) +
		  		"<br><b>Accuracy:</b> " + DECIMAL_FORMAT_4.format(_gpsAccuracy) + " meters" +
		  		"<br><b>Speed:</b> " + DECIMAL_FORMAT.format((speed * 2.2369)) + " mph" + ", " +
		  		DECIMAL_FORMAT.format(((speed * 3600)/1000)) + " km/h" +
		  		"<br><b>Altitude:</b> " + DECIMAL_FORMAT.format(altitude) + " m, " +
		  		DECIMAL_FORMAT.format(altitude * 3.2808) + " ft" +
		  		"<br><b>Bearing:</b> " + location.getBearing() + " deg";				  	
			  	
    	
	  	_gpsLocationTextView.setText(Html.fromHtml(gpsLocationText));	  	
    	_bestAvailableInfoTextView.setText(Html.fromHtml(bestAvailableText));
    	    	
    	//If true then we can draw on the map. Offline maps not available in this version
    	if(isNetworkAvailable == true){
			final int redMapGraphicSize = Integer.valueOf(_preferences.getString("pref_key_gpsGraphicSize", "10"));    	
	    	
	    	// Called when a new location is found by the network location provider.
	    	if(_preferences.getBoolean("pref_key_centerOnGPSCoords", true) == true){
	    		_map.centerAt(_gpsLatitude, _gpsLongitude, true);
	    	}
	    	if(_preferences.getBoolean("pref_key_accumulateMapPoints", true) == false){
//	    		_map.clearPointsGraphicLayer();
	    		_graphicsLayer.removeAll();
	    	}
	    	
	    	addGraphicLatLon(_gpsLatitude, _gpsLongitude, null, SimpleMarkerSymbol.STYLE.CIRCLE,Color.RED,redMapGraphicSize,_graphicsLayer,_map);
    	}
	}