Update zoom animation and add zoom fraction for autozoom (don't change density in autozoom). Add limit autozoom for different drive options

OsmAnd-java/src/net/osmand/binary/BinaryInspector.java

@@ -64,7 +64,7 @@ public class BinaryInspector {
 				"-vmap", "-vmapobjects", 
 //				"-vrouting",
 //				"-vaddress", "-vcities", "-vstreets", "-vstreetgroups","-vbuildings", 
-				//"-zoom=16",
+//				"-zoom=16",
 //				"-bbox=1.74,51.17,1.75,51.16", 
 				"/home/victor/projects/osmand/osm-gen/Map.obf"
 					});

OsmAnd-java/src/net/osmand/data/RotatedTileBox.java

@@ -11,6 +11,7 @@ public class RotatedTileBox {
 	private int zoom;
 	private double mapDensity = 1;
 	private double zoomAnimation;
+	private double zoomFloatPart;
 	private int cx;
 	private int cy;
 	private int pixWidth;
@@ -42,6 +43,7 @@ public class RotatedTileBox {
 		this.lon = r.lon;
 		this.zoom = r.zoom;
 		this.mapDensity = r.mapDensity;
+		this.zoomFloatPart = r.zoomFloatPart;
 		this.zoomAnimation = r.zoomAnimation;
 		this.rotate = r.rotate;
 		this.density = r.density;
@@ -67,7 +69,7 @@ public class RotatedTileBox {
 	}
 
 	public void calculateDerivedFields() {
-		zoomFactor = Math.pow(2, zoomAnimation ) * 256 * mapDensity;
+		zoomFactor = Math.pow(2, zoomAnimation + zoomFloatPart) * 256 * mapDensity;
 		double rad = Math.toRadians(this.rotate);
 		rotateCos = Math.cos(rad);
 		rotateSin = Math.sin(rad);
@@ -342,8 +344,14 @@ public class RotatedTileBox {
 		return zoomAnimation;
 	}
 	
-	public void setZoomAnimation(double z) {
+	public double getZoomFloatPart() {
-		this.zoomAnimation = z;
+		return zoomFloatPart;
+	}
+
+	public void setZoomAndAnimation(int zoom, double zoomAnimation, double zoomFloatPart) {
+		this.zoomAnimation = zoomAnimation;
+		this.zoomFloatPart = zoomFloatPart;
+		this.zoom = zoom;
 		calculateDerivedFields();
 	}
 	
@@ -406,12 +414,6 @@ public class RotatedTileBox {
 		calculateDerivedFields();
 	}
 
-	public void setZoomWithAnimate(int zoom,double zoomToAnimate) {
-		this.zoom = zoom;
-		this.zoomAnimation = zoomToAnimate;
-		calculateDerivedFields();
-	}
-
 	public float getRotate() {
 		return rotate;
 	}

OsmAnd-java/src/net/osmand/render/RenderingRulesStorage.java

@@ -107,12 +107,10 @@ public class RenderingRulesStorage {
 				if (renderingAttributes.containsKey(e.getKey())) {
 					RenderingRule root = renderingAttributes.get(e.getKey());
 					List<RenderingRule> list = e.getValue().getIfElseChildren();
-					e.getValue().addToBeginIfElseChildren(root);
 					for (RenderingRule every : list) {
-						if(every != root) {
+						root.addIfElseChildren(every);
-							root.addIfElseChildren(every);
-						}
 					}
+					e.getValue().addToBeginIfElseChildren(root);
 				} else {
 					renderingAttributes.put(e.getKey(), e.getValue());
 				}

OsmAnd/src/net/osmand/plus/OsmandSettings.java

@@ -773,7 +773,7 @@ public class OsmandSettings {
 		new EnumIntPreference<AutoZoomMap>("auto_zoom_map_new", AutoZoomMap.NONE,
 				AutoZoomMap.values()).makeProfile().cache();
 	{
-		AUTO_ZOOM_MAP.setModeDefaultValue(ApplicationMode.CAR, AutoZoomMap.FARTHEST);
+		AUTO_ZOOM_MAP.setModeDefaultValue(ApplicationMode.CAR, AutoZoomMap.FAR);
 		AUTO_ZOOM_MAP.setModeDefaultValue(ApplicationMode.BICYCLE, AutoZoomMap.NONE);
 		AUTO_ZOOM_MAP.setModeDefaultValue(ApplicationMode.PEDESTRIAN, AutoZoomMap.NONE);
 	}
@@ -1869,16 +1869,18 @@ public class OsmandSettings {
 	}
 	
 	public enum AutoZoomMap {
-		NONE(R.string.auto_zoom_none, 0f),
+		NONE(R.string.auto_zoom_none, 0f, 18),
-		FARTHEST(R.string.auto_zoom_farthest, 1f),
+		FARTHEST(R.string.auto_zoom_farthest, 1f, 17f),
-		FAR(R.string.auto_zoom_far, 1.4f),
+		FAR(R.string.auto_zoom_far, 1.4f, 18f),
-		CLOSE(R.string.auto_zoom_close, 2f)
+		CLOSE(R.string.auto_zoom_close, 2f, 19f)
 		;
 		public final float coefficient;
 		public final int name;
-		AutoZoomMap(int name, float coefficient) {
+		public final float maxZoom;
+		AutoZoomMap(int name, float coefficient, float maxZoom) {
 			this.name = name;
 			this.coefficient = coefficient;
+			this.maxZoom = maxZoom;
 			
 		}
 	}

OsmAnd/src/net/osmand/plus/activities/MapActivity.java

@@ -23,7 +23,6 @@ import net.osmand.map.MapTileDownloader.DownloadRequest;
 import net.osmand.map.MapTileDownloader.IMapDownloaderCallback;
 import net.osmand.plus.ApplicationMode;
 import net.osmand.plus.BusyIndicator;
-import net.osmand.plus.DeviceAdminRecv;
 import net.osmand.plus.OsmAndConstants;
 import net.osmand.plus.OsmandApplication;
 import net.osmand.plus.OsmandPlugin;
@@ -42,7 +41,6 @@ import net.osmand.plus.render.RendererRegistry;
 import net.osmand.plus.resources.ResourceManager;
 import net.osmand.plus.routing.RoutingHelper;
 import net.osmand.plus.routing.RoutingHelper.RouteCalculationProgressCallback;
-import net.osmand.plus.routing.VoiceRouter;
 import net.osmand.plus.views.AnimateDraggingMapThread;
 import net.osmand.plus.views.OsmAndMapLayersView;
 import net.osmand.plus.views.OsmAndMapSurfaceView;
@@ -56,19 +54,15 @@ import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.app.ProgressDialog;
-import android.app.admin.DevicePolicyManager;
-import android.content.ComponentName;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.media.AudioManager;
 import android.net.Uri;
-import android.opengl.GLSurfaceView;
 import android.os.Bundle;
 import android.os.Environment;
 import android.os.Handler;
 import android.os.Message;
-import android.os.PowerManager;
 import android.util.DisplayMetrics;
 import android.view.Gravity;
 import android.view.KeyEvent;
@@ -488,12 +482,18 @@ public class MapActivity extends AccessibleActivity {
 //		if (settings.AUTO_ZOOM_MAP.get() == AutoZoomMap.NONE) {
 //			changeLocation = false;
 //		}
+		
+//		double curZoom = mapView.getZoom() + mapView.getZoomFractionalPart() + stp * 0.3;
+//		int newZoom = (int) Math.round(curZoom);
+//		double zoomFrac = curZoom - newZoom;
+		
 		final int newZoom = mapView.getZoom() + stp;
+		final double zoomFrac = mapView.getZoomFractionalPart();
 		if (newZoom > 22) {
 			AccessibleToast.makeText(this, R.string.edit_tilesource_maxzoom, Toast.LENGTH_SHORT).show(); //$NON-NLS-1$
 			return;
 		}
-		mapView.getAnimatedDraggingThread().startZooming(newZoom, changeLocation);
+		mapView.getAnimatedDraggingThread().startZooming(newZoom, zoomFrac, changeLocation);
 		if (app.accessibilityEnabled())
 			AccessibleToast.makeText(this, getString(R.string.zoomIs) + " " + newZoom, Toast.LENGTH_SHORT).show(); //$NON-NLS-1$
 		showAndHideMapPosition();

OsmAnd/src/net/osmand/plus/base/MapViewTrackingUtilities.java

@@ -197,19 +197,19 @@ public class MapViewTrackingUtilities implements OsmAndLocationListener, IMapLoc
 					// decrease a bit
 					zdelta += 1;
 				}
+				double targetZoom = Math.max(tb.getZoom() + tb.getZoomFloatPart() + zdelta, settings.AUTO_ZOOM_MAP.get().maxZoom); 
 				int threshold = settings.AUTO_FOLLOW_ROUTE.get();
 				if (now - lastTimeAutoZooming > 4500 && (now - lastTimeAutoZooming > threshold || !isUserZoomed)) {
 					isUserZoomed = false;
 					lastTimeAutoZooming = now;
-					double settingsZoomScale = Math.log(mapView.getSettingsMapDensity()) / Math.log(2.0f);
+//					double settingsZoomScale = Math.log(mapView.getSettingsMapDensity()) / Math.log(2.0f);
-					double zoomScale = Math.log(tb.getMapDensity()) / Math.log(2.0f);
+//					double zoomScale = Math.log(tb.getMapDensity()) / Math.log(2.0f);
-					double complexZoom = tb.getZoom() + zoomScale + zdelta;
+//					double complexZoom = tb.getZoom() + zoomScale + zdelta;
 					// round to 0.33
-					double newZoom = Math.round((complexZoom - settingsZoomScale) * 3) / 3f;
+					targetZoom = Math.round(targetZoom * 3) / 3f;
-					int newIntegerZoom = (int)Math.round(newZoom);
+					int newIntegerZoom = (int)Math.round(targetZoom);
-					double nzscale = newZoom - newIntegerZoom + settingsZoomScale;
+					double zPart = targetZoom - newIntegerZoom;
-					mapView.setComplexZoom(newIntegerZoom, Math.pow(2, nzscale));
+					 mapView.getAnimatedDraggingThread().startZooming(newIntegerZoom, zPart, false);
-					// mapView.getAnimatedDraggingThread().startZooming(mapView.getFloatZoom() + zdelta, false);
 				}
 			}
 		}

OsmAnd/src/net/osmand/plus/dashboard/DashFavoritesFragment.java

@@ -72,6 +72,11 @@ public class DashFavoritesFragment extends DashBaseFragment {
 		return view;
 	}
 	
+	@Override
+	public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
+		super.onViewCreated(view, savedInstanceState);
+	}
+
 	@Override
 	public void onResume() {
 		super.onResume();

OsmAnd/src/net/osmand/plus/render/MapVectorLayer.java

@@ -4,7 +4,7 @@ import net.osmand.core.android.MapRendererView;
 import net.osmand.core.android.TileSourceProxyProvider;
 import net.osmand.core.jni.MapLayerConfiguration;
 import net.osmand.core.jni.PointI;
-import net.osmand.data.QuadPointDouble;
+import net.osmand.data.LatLon;
 import net.osmand.data.RotatedTileBox;
 import net.osmand.map.ITileSource;
 import net.osmand.plus.OsmandSettings;
@@ -138,8 +138,8 @@ public class MapVectorLayer extends BaseMapLayer {
 				// opengl renderer
 				mapRenderer.setTarget(new PointI(tilesRect.getCenter31X(), tilesRect.getCenter31Y()));
 				mapRenderer.setAzimuth(-tilesRect.getRotate());
-				mapRenderer.setZoom((float) (tilesRect.getZoom() /* + tilesRect.getZoomScale() */+ tilesRect
+				mapRenderer.setZoom((float) (tilesRect.getZoom() + tilesRect
-						.getZoomAnimation()));
+						.getZoomAnimation() + tilesRect.getZoomFloatPart()));
 			} else {
 				if (!view.isZooming()) {
 					if (resourceManager.updateRenderedMapNeeded(tilesRect, drawSettings)) {
@@ -163,16 +163,22 @@ public class MapVectorLayer extends BaseMapLayer {
 		boolean shown = false;
 		if (bmp != null && bmpLoc != null) {
 			float rot = -bmpLoc.getRotate();
-			int cz = currentViewport.getZoom();
 			canvas.rotate(rot, currentViewport.getCenterPixelX(), currentViewport.getCenterPixelY());
 			final RotatedTileBox calc = currentViewport.copy();
 			calc.setRotate(bmpLoc.getRotate());
-			QuadPointDouble lt = bmpLoc.getLeftTopTile(cz);
+//			int cz = currentViewport.getZoom();
-			QuadPointDouble rb = bmpLoc.getRightBottomTile(cz);
+//			QuadPointDouble lt = bmpLoc.getLeftTopTile(cz);
-			final float x1 = calc.getPixXFromTile(lt.x, lt.y, cz);
+//			QuadPointDouble rb = bmpLoc.getRightBottomTile(cz);
-			final float x2 = calc.getPixXFromTile(rb.x, rb.y, cz);
+//			final float x1 = calc.getPixXFromTile(lt.x, lt.y, cz);
-			final float y1 = calc.getPixYFromTile(lt.x, lt.y, cz);
+//			final float x2 = calc.getPixXFromTile(rb.x, rb.y, cz);
-			final float y2 = calc.getPixYFromTile(rb.x, rb.y, cz);
+//			final float y1 = calc.getPixYFromTile(lt.x, lt.y, cz);
+//			final float y2 = calc.getPixYFromTile(rb.x, rb.y, cz);
+			LatLon lt = bmpLoc.getLeftTopLatLon();
+			LatLon rb = bmpLoc.getRightBottomLatLon();
+			final float x1 = calc.getPixXFromLatLon(lt.getLatitude(), lt.getLongitude());
+			final float x2 = calc.getPixXFromLatLon(rb.getLatitude(), rb.getLongitude());
+			final float y1 = calc.getPixYFromLatLon(lt.getLatitude(), lt.getLongitude());
+			final float y2 = calc.getPixYFromLatLon(rb.getLatitude(), rb.getLongitude());
 			destImage.set(x1, y1, x2, y2);
 			if (!bmp.isRecycled()) {
 				canvas.drawBitmap(bmp, null, destImage, paintImg);

OsmAnd/src/net/osmand/plus/views/AnimateDraggingMapThread.java

@@ -8,8 +8,6 @@ import net.osmand.util.MapUtils;
 import org.apache.commons.logging.Log;
 
 import android.os.SystemClock;
-import android.util.FloatMath;
-import android.view.MotionEvent;
 import android.view.animation.AccelerateDecelerateInterpolator;
 import android.view.animation.DecelerateInterpolator;
 import android.view.animation.LinearInterpolator;
@@ -23,10 +21,10 @@ public class AnimateDraggingMapThread {
 	protected static final Log log = PlatformUtil.getLog(AnimateDraggingMapThread.class);
 	
 	private final static float DRAGGING_ANIMATION_TIME = 1200f;
-	private final static float ZOOM_ANIMATION_TIME = 800f;
+	private final static float ZOOM_ANIMATION_TIME = 500f;
-	private final static float ZOOM_MOVE_ANIMATION_TIME = 650f;
+	private final static float ZOOM_MOVE_ANIMATION_TIME = 450f;
-	private final static float MOVE_MOVE_ANIMATION_TIME = 2000f;
+	private final static float MOVE_MOVE_ANIMATION_TIME = 1300f;
-	private final static int DEFAULT_SLEEP_TO_REDRAW = 55;
+	private final static int DEFAULT_SLEEP_TO_REDRAW = 15;
 	
 	private volatile boolean stopped;
 	private volatile Thread currentThread = null;
@@ -36,6 +34,7 @@ public class AnimateDraggingMapThread {
 	private double targetLatitude = 0;
 	private double targetLongitude = 0;
 	private int targetIntZoom = 0;
+	private int targetFloatZoom = 0;
 
 	private boolean isAnimatingZoom;
 	
@@ -120,11 +119,13 @@ public class AnimateDraggingMapThread {
 	
 	public void startMoving(final double finalLat, final double finalLon, final int endZoom,  final boolean notifyListener){
 		stopAnimatingSync();
-		double startLat = tileView.getLatitude();
-		double startLon = tileView.getLongitude();
-		float rotate = tileView.getRotate();
-		final int startZoom = tileView.getZoom();
 		final RotatedTileBox rb = tileView.getCurrentRotatedTileBox().copy();
+		double startLat = rb.getLatitude();
+		double startLon = rb.getLongitude();
+		float rotate = rb.getRotate();
+		final int startZoom = rb.getZoom();
+		final double startZoomFP = rb.getZoomFloatPart();
+		
 		boolean skipAnimation = false;
 		float mStX = rb.getPixXFromLatLon(startLat, startLon) - rb.getPixXFromLatLon(finalLat, finalLon);
 		float mStY = rb.getPixYFromLatLon(startLat, startLon) - rb.getPixYFromLatLon(finalLat, finalLon);
@@ -141,7 +142,7 @@ public class AnimateDraggingMapThread {
 		skipAnimation = skipAnimation || (Math.abs(moveZoom - startZoom) >= 3 || Math.abs(endZoom - moveZoom) > 3);
 		if (skipAnimation) {
 			tileView.setLatLonAnimate(finalLat, finalLon, notifyListener);
-			tileView.setZoomAnimate(endZoom, notifyListener);
+			tileView.setFractionalZoom(endZoom, 0, notifyListener);
 			return;
 		}
 		final float mMoveX = rb.getPixXFromLatLon(startLat, startLon) - rb.getPixXFromLatLon(finalLat, finalLon);
@@ -155,7 +156,7 @@ public class AnimateDraggingMapThread {
 			public void run() {
 				setTargetValues(endZoom, finalLat, finalLon);
 				if(moveZoom != startZoom){
-					animatingZoomInThread(startZoom, moveZoom, ZOOM_MOVE_ANIMATION_TIME, notifyListener);
+					animatingZoomInThread(startZoom, startZoomFP, moveZoom, startZoomFP,ZOOM_MOVE_ANIMATION_TIME, notifyListener);
 				}
 				
 				if(!stopped){
@@ -165,10 +166,10 @@ public class AnimateDraggingMapThread {
 					tileView.setLatLonAnimate(finalLat, finalLon, notifyListener);
 				}
 				
-				if (!stopped && moveZoom != endZoom) {
+				if (!stopped && (moveZoom != endZoom || startZoomFP != 0)) {
-					animatingZoomInThread(moveZoom, endZoom, ZOOM_MOVE_ANIMATION_TIME, notifyListener);
+					animatingZoomInThread(moveZoom, startZoomFP, endZoom, 0, ZOOM_MOVE_ANIMATION_TIME, notifyListener);
 				}
-				tileView.setZoomAnimate(endZoom, notifyListener);
+				tileView.setFractionalZoom(endZoom, 0, notifyListener);
 				
 				pendingRotateAnimation();
 			}
@@ -203,12 +204,17 @@ public class AnimateDraggingMapThread {
 		
 	}
 	
-	private void animatingZoomInThread(double zoomStart, int zoom, float animationTime, boolean notifyListener){
+	private void animatingZoomInThread(int zoomStart, double zoomFloatStart, 
+			int zoomEnd, double zoomFloatEnd, float animationTime, boolean notifyListener){
 		try {
 			isAnimatingZoom = true;
-			double curZoom = zoomStart;
+			// could be 0 ]-0.5,0.5], -1 ]-1,0], 1 ]0, 1]  
-			double zoomEnd =  (zoom /*+ zoomScale*/);
+			int threshold = ((int)(zoomFloatEnd * 2));
-			animationTime *= Math.abs(zoomEnd - zoomStart);
+			double beginZoom = zoomStart + zoomFloatStart;
+			double endZoom =  zoomEnd + zoomFloatEnd;
+			
+			double curZoom = beginZoom;
+			animationTime *= Math.abs(endZoom - beginZoom);
 			// AccelerateInterpolator interpolator = new AccelerateInterpolator(1);
 			LinearInterpolator interpolator = new LinearInterpolator();
 
@@ -220,15 +226,17 @@ public class AnimateDraggingMapThread {
 					break;
 				}
 				float interpolation = interpolator.getInterpolation(normalizedTime);
-				curZoom = interpolation * (zoomEnd - zoomStart) + zoomStart;
+				curZoom = interpolation * (endZoom - beginZoom) + beginZoom;
-				tileView.zoomToAnimate(curZoom, notifyListener);
+				int baseZoom = (int) Math.round(curZoom - 0.5 * threshold);
+				double zaAnimate = curZoom - baseZoom; 
+				tileView.zoomToAnimate(baseZoom, zaAnimate, notifyListener);
 				try {
 					Thread.sleep(DEFAULT_SLEEP_TO_REDRAW);
 				} catch (InterruptedException e) {
 					stopped = true;
 				}
 			}
-			tileView.setZoomAnimate(zoom, notifyListener);
+			tileView.setFractionalZoom(zoomEnd, zoomFloatEnd,  notifyListener);
 		} finally {
 			isAnimatingZoom = false;
 		}
@@ -238,14 +246,14 @@ public class AnimateDraggingMapThread {
 		return isAnimatingZoom;
 	}
 
-	public void startZooming(final int zoomEnd, final boolean notifyListener){
+	public void startZooming(final int zoomEnd, final double zoomPart, final boolean notifyListener){
 		final float animationTime = ZOOM_ANIMATION_TIME;
 		startThreadAnimating(new Runnable(){
 			@Override
 			public void run() {
-				final double zoomStart = tileView.getZoom() ;
+				RotatedTileBox tb = tileView.getCurrentRotatedTileBox();
 				setTargetValues(zoomEnd, tileView.getLatitude(), tileView.getLongitude());
-				animatingZoomInThread(zoomStart, zoomEnd, animationTime, notifyListener);
+				animatingZoomInThread(tb.getZoom(), tb.getZoomFloatPart(), zoomEnd, zoomPart, animationTime, notifyListener);
 				pendingRotateAnimation();
 			}
 		}); //$NON-NLS-1$

OsmAnd/src/net/osmand/plus/views/OsmandMapTileView.java

@@ -164,7 +164,7 @@ public class OsmandMapTileView implements IMapDownloaderCallback {
 		@Override
 		public void onTwoFingerTap() {
 			afterTwoFingerTap = true;
-			getAnimatedDraggingThread().startZooming(getZoom()-1,true);
+			getAnimatedDraggingThread().startZooming(getZoom() - 1, currentViewport.getZoomFloatPart(), true);
 		}
 	};
 	
@@ -290,7 +290,7 @@ public class OsmandMapTileView implements IMapDownloaderCallback {
 	public void setIntZoom(int zoom) {
 		if (mainLayer != null && zoom <= mainLayer.getMaximumShownMapZoom() && zoom >= mainLayer.getMinimumShownMapZoom()) {
 			animatedDraggingThread.stopAnimating();
-			currentViewport.setZoomAndAnimation(zoom, 0);
+			currentViewport.setZoomAndAnimation(zoom, 0, 0);
 			currentViewport.setRotate(zoom > LOWEST_ZOOM_TO_ROTATE ? rotate : 0);
 			refreshMap();
 		}
@@ -299,7 +299,7 @@ public class OsmandMapTileView implements IMapDownloaderCallback {
 	public void setComplexZoom(int zoom, double mapDensity) {
 		if (mainLayer != null && zoom <= mainLayer.getMaximumShownMapZoom() && zoom >= mainLayer.getMinimumShownMapZoom()) {
 			animatedDraggingThread.stopAnimating();
-			currentViewport.setZoomWithAnimate(zoom, 0);
+			currentViewport.setZoomAndAnimation(zoom, 0);
 			currentViewport.setMapDensity(mapDensity);
 			currentViewport.setRotate(zoom > LOWEST_ZOOM_TO_ROTATE ? rotate : 0);
 			refreshMap();
@@ -351,6 +351,10 @@ public class OsmandMapTileView implements IMapDownloaderCallback {
 		return currentViewport.getZoom();
 	}
 	
+	public double getZoomFractionalPart() {
+		return currentViewport.getZoomFloatPart();
+	}
+
 	public double getSettingsMapDensity() {
 		return (getSettings().MAP_DENSITY.get()) * Math.max(1, getDensity());
 	}
@@ -385,7 +389,7 @@ public class OsmandMapTileView implements IMapDownloaderCallback {
 		if (mainLayer.getMinimumShownMapZoom() > zoom) {
 			zoom = mainLayer.getMinimumShownMapZoom();
 		}
-		currentViewport.setZoomAndAnimation(zoom, 0);
+		currentViewport.setZoomAndAnimation(zoom, 0, 0);
 		refreshMap();
 	}
 
@@ -414,6 +418,12 @@ public class OsmandMapTileView implements IMapDownloaderCallback {
 			final float x2 = calc.getPixXFromTile(rb.x, rb.y, cz);
 			final float y1 = calc.getPixYFromTile(lt.x, lt.y, cz);
 			final float y2 = calc.getPixYFromTile(rb.x, rb.y, cz);
+//			LatLon lt = bufferImgLoc.getLeftTopLatLon();
+//			LatLon rb = bufferImgLoc.getRightBottomLatLon();
+//			final float x1 = calc.getPixXFromLatLon(lt.getLatitude(), lt.getLongitude());
+//			final float x2 = calc.getPixXFromLatLon(rb.getLatitude(), rb.getLongitude());
+//			final float y1 = calc.getPixYFromLatLon(lt.getLatitude(), lt.getLongitude());
+//			final float y2 = calc.getPixYFromLatLon(rb.getLatitude(), rb.getLongitude());
 			if (!bufferBitmap.isRecycled()) {
 				RectF rct = new RectF(x1, y1, x2, y2);
 				canvas.drawBitmap(bufferBitmap, null, rct, paintImg);
@@ -678,8 +688,8 @@ public class OsmandMapTileView implements IMapDownloaderCallback {
 		}
 	}
 
-	protected void setZoomAnimate(int zoom, boolean notify) {
+	protected void setFractionalZoom(int zoom, double zoomPart, boolean notify) {
-		currentViewport.setZoomWithAnimate(zoom, 0);
+		currentViewport.setZoomAndAnimation(zoom, 0, zoomPart);
 		refreshMap();
 		if (locationListener != null && notify) {
 			locationListener.locationChanged(getLatitude(), getLongitude(), this);
@@ -687,17 +697,7 @@ public class OsmandMapTileView implements IMapDownloaderCallback {
 	}
 
 	// for internal usage
-	protected void zoomToAnimate(double tzoom, boolean notify) {
+	protected void zoomToAnimate(int zoom, double zoomToAnimate, boolean notify) {
-		int zoom = getZoom();
-		double zoomToAnimate = tzoom - zoom;
-		if (zoomToAnimate >= 1) {
-			zoom += (int) zoomToAnimate;
-			zoomToAnimate -= (int) zoomToAnimate;
-		}
-		while (zoomToAnimate < 0) {
-			zoom--;
-			zoomToAnimate += 1;
-		}
 		if (mainLayer != null && mainLayer.getMaximumShownMapZoom() >= zoom && mainLayer.getMinimumShownMapZoom() <= zoom) {
 			currentViewport.setZoomAndAnimation(zoom, zoomToAnimate);
 			currentViewport.setRotate(zoom > LOWEST_ZOOM_TO_ROTATE ? rotate : 0);
@@ -866,13 +866,22 @@ public class OsmandMapTileView implements IMapDownloaderCallback {
 			final RotatedTileBox calc = initialViewport.copy();
 			calc.setLatLonCenter(initialCenterLatLon.getLatitude(), initialCenterLatLon.getLongitude());
 
-			double calcZoom = initialViewport.getZoom() + dz ;
 			float calcRotate = calc.getRotate() + angle;
 			calc.setRotate(calcRotate);
-			calc.setZoomAnimation(dz);
+			calc.setZoomAndAnimation(initialViewport.getZoom(), 
+					dz, initialViewport.getZoomFloatPart());
 			final LatLon r = calc.getLatLonFromPixel(cp.x + dx, cp.y + dy);
 			setLatLon(r.getLatitude(), r.getLongitude());
-			zoomToAnimate((float) calcZoom, true);
+			int baseZoom = initialViewport.getZoom();
+			while(initialViewport.getZoomFloatPart() + dz  > 1) {
+				dz --;
+				baseZoom ++;
+			}
+			while(initialViewport.getZoomFloatPart() + dz  < 0) {
+				dz ++;
+				baseZoom --;
+			}
+			zoomToAnimate(baseZoom, dz, true);
 			rotateToAnimate(calcRotate);
 		}