diff --git a/src/org/oscim/renderer/GLRenderer.java b/src/org/oscim/renderer/GLRenderer.java
index 1a82ebcf..9c1d02ee 100644
--- a/src/org/oscim/renderer/GLRenderer.java
+++ b/src/org/oscim/renderer/GLRenderer.java
@@ -302,7 +302,7 @@ public class GLRenderer implements GLSurfaceView.Renderer {
 	@Override
 	public void onDrawFrame(GL10 glUnused) {
 		long start = SystemClock.uptimeMillis();
-		long wait = 20 - (start - lastDraw);
+		long wait = 30 - (start - lastDraw);
 		if (wait > 5) {
 			//Log.d(TAG, "wait " + wait);
 			SystemClock.sleep(wait);
@@ -549,7 +549,7 @@ public class GLRenderer implements GLSurfaceView.Renderer {
 		GLES20.glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
 
 		if (!mNewSurface) {
-			mMapView.redrawMap();
+			mMapView.redrawMap(false);
 			return;
 		}
 
@@ -569,7 +569,7 @@ public class GLRenderer implements GLSurfaceView.Renderer {
 
 		GLState.init();
 
-		mMapView.redrawMap();
+		mMapView.redrawMap(true);
 	}
 
 	@Override
diff --git a/src/org/oscim/renderer/TileManager.java b/src/org/oscim/renderer/TileManager.java
index a1d0750d..619481d6 100644
--- a/src/org/oscim/renderer/TileManager.java
+++ b/src/org/oscim/renderer/TileManager.java
@@ -207,15 +207,15 @@ public class TileManager {
 		float[] coords = mTileCoords;
 		changedPos = mMapViewPosition.getMapPosition(mapPosition, coords);
 
-		if (!changedPos) {
-			mMapView.render();
+		if (changedPos) {
+			//mMapView.render();
+		} else {
 			return;
 		}
 
-		float s = Tile.TILE_SIZE;
 		// load some tiles more than currently visible
 		// TODO limit how many more...
-		float scale = mapPosition.scale * 0.75f;
+		float scale = mapPosition.scale * 0.8f;
 		float px = (float) mapPosition.x;
 		float py = (float) mapPosition.y;
 
@@ -223,15 +223,15 @@ public class TileManager {
 		int zdir = 0;
 
 		for (int i = 0; i < 8; i += 2) {
-			coords[i + 0] = (px + coords[i + 0] / scale) / s;
-			coords[i + 1] = (py + coords[i + 1] / scale) / s;
+			coords[i + 0] = (px + coords[i + 0] / scale) / Tile.TILE_SIZE;
+			coords[i + 1] = (py + coords[i + 1] / scale) / Tile.TILE_SIZE;
 		}
 
 		boolean changed = updateVisibleList(mapPosition, zdir);
 
-		mMapView.render();
-
 		if (changed) {
+			mMapView.render();
+
 			int remove = mTilesCount - GLRenderer.CACHE_TILES;
 			if (remove > CACHE_THRESHOLD)
 				limitCache(mapPosition, remove);
@@ -337,9 +337,6 @@ public class TileManager {
 
 				mUpdateCnt++;
 			}
-
-			// Log.d(TAG, "tiles: " + mTilesCount + " " + BufferObject.counter
-			// + " sum:" + (mTilesCount + BufferObject.counter));
 		}
 
 		if (mJobs.size() > 0) {
@@ -606,13 +603,14 @@ public class TileManager {
 		}
 
 		if (tile.vbo != null) {
-			// BAD Things(tm) happend... 
-			Log.d(TAG, "tile loaded before " + tile);
+			// BAD Things(tm) happend: tile is already loaded
+			Log.d(TAG, "BUG: tile loaded before " + tile);
 			return true;
 		}
 
 		tile.state = STATE_NEW_DATA;
 
+		//if (tile.isVisible)
 		mMapView.render();
 
 		synchronized (mTilesLoaded) {
diff --git a/src/org/oscim/renderer/overlays/GridOverlay.java b/src/org/oscim/renderer/overlays/GridOverlay.java
index 20e69daf..c40ae88a 100644
--- a/src/org/oscim/renderer/overlays/GridOverlay.java
+++ b/src/org/oscim/renderer/overlays/GridOverlay.java
@@ -106,7 +106,7 @@ public class GridOverlay extends BasicOverlay {
 	void timerFinished() {
 		Log.d("...", "timer finish!");
 		finished = true;
-		mMapView.redrawMap();
+		mMapView.redrawMap(true);
 	}
 
 	@Override
diff --git a/src/org/oscim/renderer/overlays/TextOverlay.java b/src/org/oscim/renderer/overlays/TextOverlay.java
index 9005cabb..a08dd2d1 100644
--- a/src/org/oscim/renderer/overlays/TextOverlay.java
+++ b/src/org/oscim/renderer/overlays/TextOverlay.java
@@ -68,7 +68,7 @@ public class TextOverlay extends BasicOverlay {
 
 			mRun = false;
 			updateLabels();
-			mMapView.redrawMap();
+			mMapView.redrawMap(false);
 		}
 
 		@Override
diff --git a/src/org/oscim/renderer/overlays/TextOverlayExp.java b/src/org/oscim/renderer/overlays/TextOverlayExp.java
index 040bd9fd..dc0da072 100644
--- a/src/org/oscim/renderer/overlays/TextOverlayExp.java
+++ b/src/org/oscim/renderer/overlays/TextOverlayExp.java
@@ -15,6 +15,8 @@
 
 package org.oscim.renderer.overlays;
 
+import java.util.HashMap;
+
 import org.oscim.core.MapPosition;
 import org.oscim.core.Tile;
 import org.oscim.generator.JobTile;
@@ -66,7 +68,7 @@ public class TextOverlayExp extends BasicOverlay {
 
 			mRun = false;
 			if (updateLabels())
-				mMapView.redrawMap();
+				mMapView.redrawMap(false);
 			else
 				mRun = true;
 		}
@@ -90,6 +92,25 @@ public class TextOverlayExp extends BasicOverlay {
 		mThread.start();
 	}
 
+	private HashMap<TextItem, PlacementItem> mItemMap;
+
+	class PlacementItem extends TextItem {
+		int tileX;
+		int tileY;
+
+		boolean isTileNeighbour(PlacementItem other) {
+			int dx = other.tileX - tileX;
+			if (dx > 1 || dx < -1)
+				return false;
+
+			int dy = other.tileY - tileY;
+			if (dy > 1 || dy < -1)
+				return false;
+
+			return true;
+		}
+	}
+
 	private TextItem mPool;
 
 	private byte checkOverlap(TextLayer tl, TextItem ti) {
diff --git a/src/org/oscim/view/Compass.java b/src/org/oscim/view/Compass.java
index ba7d94b7..61a6b38e 100644
--- a/src/org/oscim/view/Compass.java
+++ b/src/org/oscim/view/Compass.java
@@ -30,7 +30,7 @@ public class Compass {
 
 				if (mMapView != null) {
 					mMapView.getMapPosition().setRotation(-mAngle);
-					mMapView.redrawMap();
+					mMapView.redrawMap(true);
 				}
 			}
 		}
diff --git a/src/org/oscim/view/MapView.java b/src/org/oscim/view/MapView.java
index ac627873..5f5da2bd 100644
--- a/src/org/oscim/view/MapView.java
+++ b/src/org/oscim/view/MapView.java
@@ -274,11 +274,15 @@ public class MapView extends RelativeLayout {
 
 	/**
 	 * Calculates all necessary tiles and adds jobs accordingly.
+	 * @param changedPos TODO
 	 */
-	public void redrawMap() {
+	public void redrawMap(boolean changedPos) {
 		if (mPausing || this.getWidth() == 0 || this.getHeight() == 0)
 			return;
 
+		if (changedPos)
+			render();
+
 		if (AndroidUtils.currentThreadIsUiThread()) {
 			boolean changed = mMapViewPosition.getMapPosition(mMapPosition, null);
 
@@ -583,7 +587,7 @@ public class MapView extends RelativeLayout {
 				+ " lat: " + mapPosition.lat
 				+ " lon: " + mapPosition.lon);
 		mMapViewPosition.setMapCenter(mapPosition);
-		redrawMap();
+		redrawMap(true);
 	}
 
 	/**
diff --git a/src/org/oscim/view/MapViewPosition.java b/src/org/oscim/view/MapViewPosition.java
index 012c25dd..f825a465 100644
--- a/src/org/oscim/view/MapViewPosition.java
+++ b/src/org/oscim/view/MapViewPosition.java
@@ -48,7 +48,7 @@ public class MapViewPosition {
 	public final static int MAX_ZOOMLEVEL = 17;
 	public final static int MIN_ZOOMLEVEL = 2;
 
-	private final static float MAX_ANGLE = 50;
+	private final static float MAX_ANGLE = 55;
 
 	private final MapView mMapView;
 
@@ -697,12 +697,12 @@ public class MapViewPosition {
 		double mx = (mStartX + (mEndX - mStartX) * (1.0 - adv));
 		double my = (mStartY + (mEndY - mStartY) * (1.0 - adv));
 		setMapPosition(mx, my);
-		mMapView.redrawMap();
+		mMapView.redrawMap(true);
 	}
 
 	void onFinish() {
 		setMapPosition(mEndX, mEndY);
-		mMapView.redrawMap();
+		mMapView.redrawMap(true);
 	}
 
 	static class AnimationHandler extends Handler {
diff --git a/src/org/oscim/view/MapZoomControls.java b/src/org/oscim/view/MapZoomControls.java
index 17b8768c..0716e2d1 100644
--- a/src/org/oscim/view/MapZoomControls.java
+++ b/src/org/oscim/view/MapZoomControls.java
@@ -161,7 +161,7 @@ public class MapZoomControls {
 		}
 
 		mapViewPosition.setZoomLevel((byte) z);
-		mMapView.redrawMap();
+		mMapView.redrawMap(true);
 
 		return true;
 	}
diff --git a/src/org/oscim/view/TouchHandler.java b/src/org/oscim/view/TouchHandler.java
index ebbaf12e..226e1163 100644
--- a/src/org/oscim/view/TouchHandler.java
+++ b/src/org/oscim/view/TouchHandler.java
@@ -174,7 +174,7 @@ final class TouchHandler implements OnGestureListener, OnScaleGestureListener, O
 		// double-tap + hold
 		if (mLongPress) {
 			mMapPosition.scaleMap(1 - moveY / 100, 0, 0);
-			mMapView.redrawMap();
+			mMapView.redrawMap(true);
 			return true;
 		}
 
@@ -198,10 +198,10 @@ final class TouchHandler implements OnGestureListener, OnScaleGestureListener, O
 		if (!mBeginRotate && !mBeginScale) {
 			/* our naive gesture detector for rotation and tilt.. */
 
-			if (Math.abs(rad) < 0.25 || Math.abs(rad) > Math.PI - 0.25) {
+			if (Math.abs(rad) < 0.30 || Math.abs(rad) > Math.PI - 0.30) {
 				mBeginTilt = true;
 				if (mMapPosition.tilt(moveY / 4)) {
-					mMapView.redrawMap();
+					mMapView.redrawMap(true);
 				}
 
 				return true;
@@ -229,7 +229,7 @@ final class TouchHandler implements OnGestureListener, OnScaleGestureListener, O
 
 			mMapPosition.rotateMap((float) Math.toDegrees(rad - mAngle), x, y);
 			mAngle = rad;
-			mMapView.redrawMap();
+			mMapView.redrawMap(true);
 		}
 
 		return true;
@@ -338,7 +338,7 @@ final class TouchHandler implements OnGestureListener, OnScaleGestureListener, O
 
 		if (moveX >= 1 || moveY >= 1 || moveX <= -1 || moveY <= -1) {
 			mMapPosition.moveMap(moveX, moveY);
-			mMapView.redrawMap();
+			mMapView.redrawMap(true);
 			mScrollX = mScroller.getCurrX();
 			mScrollY = mScroller.getCurrY();
 		}
@@ -358,7 +358,7 @@ final class TouchHandler implements OnGestureListener, OnScaleGestureListener, O
 
 		if (mMulti == 0) {
 			mMapPosition.moveMap(-distanceX, -distanceY);
-			mMapView.redrawMap();
+			mMapView.redrawMap(true);
 		}
 
 		return true;
@@ -447,7 +447,7 @@ final class TouchHandler implements OnGestureListener, OnScaleGestureListener, O
 
 		if (scale > 1) {
 			mMapPosition.scaleMap(scale, mScrollX / adv, mScrollY / adv);
-			mMapView.redrawMap();
+			mMapView.redrawMap(true);
 		}
 
 		return true;
@@ -505,7 +505,7 @@ final class TouchHandler implements OnGestureListener, OnScaleGestureListener, O
 		}
 
 		if (mBeginScale && mMapPosition.scaleMap(scale, mFocusX, mFocusY))
-			mMapView.redrawMap();
+			mMapView.redrawMap(true);
 
 		return true;
 	}
@@ -581,7 +581,7 @@ final class TouchHandler implements OnGestureListener, OnScaleGestureListener, O
 			mMapPosition.scaleMap(1 + scale, mFocusX, mFocusY);
 		}
 
-		mMapView.redrawMap();
+		mMapView.redrawMap(true);
 
 		if (tick == 0)
 			mTimer = null;