diff --git a/src/org/oscim/view/MapViewPosition.java b/src/org/oscim/view/MapViewPosition.java
index e463dc78..8fef7a3b 100644
--- a/src/org/oscim/view/MapViewPosition.java
+++ b/src/org/oscim/view/MapViewPosition.java
@@ -98,6 +98,7 @@ public class MapViewPosition {
 		mapPosition.angle = mRotation;
 		mapPosition.zoomLevel = mZoomLevel;
 		mapPosition.scale = mScale;
+
 		byte z = mZoomLevel;
 		mapPosition.x = MercatorProjection.longitudeToPixelX(mLongitude, z);
 		mapPosition.y = MercatorProjection.latitudeToPixelY(mLatitude, z);
@@ -114,7 +115,7 @@ public class MapViewPosition {
 		// updateMatrix();
 
 		// not so sure about this, but works...
-		float tilt = FloatMath.sin((float) Math.toRadians(mTilt)) * 4;
+		float tilt = (float) Math.sin(Math.toRadians(mTilt)) * 4;
 
 		unproject(-1, 1, tilt, coords, 0); // top-left
 		unproject(1, 1, tilt, coords, 2); // top-right
@@ -365,6 +366,21 @@ public class MapViewPosition {
 		updateMatrix();
 	}
 
+	public boolean tilt(float move) {
+		float tilt = mTilt + move;
+		if (tilt > MAX_ANGLE)
+			tilt = MAX_ANGLE;
+		else if (tilt < 0)
+			tilt = 0;
+
+		if (mTilt == tilt)
+			return false;
+
+		mTilt = tilt;
+		updateMatrix();
+		return true;
+	}
+
 	public void setTilt(float f) {
 		mTilt = f;
 		updateMatrix();
@@ -433,16 +449,4 @@ public class MapViewPosition {
 		return true;
 	}
 
-	public boolean tilt(float moveX) {
-		float tilt = mTilt + moveX;
-		if (tilt > MAX_ANGLE)
-			tilt = MAX_ANGLE;
-		else if (tilt < 0)
-			tilt = 0;
-		if (mTilt == tilt)
-			return false;
-
-		mTilt = tilt;
-		return true;
-	}
 }
diff --git a/src/org/oscim/view/TouchHandler.java b/src/org/oscim/view/TouchHandler.java
index 9cac217b..f0e24c64 100644
--- a/src/org/oscim/view/TouchHandler.java
+++ b/src/org/oscim/view/TouchHandler.java
@@ -417,8 +417,7 @@ public class TouchHandler
 			if (mTimeEnd - mTimeStart > 150 || mSumScale > 1.1 || mSumScale < 0.9) {
 				mBeginScale = true;
 				scale = mSumScale;
-			}
-			else
+			} else
 				return true;
 		}
 
diff --git a/src/org/oscim/view/renderer/ScanBox.java b/src/org/oscim/view/renderer/ScanBox.java
index 9c16d6e9..ba8c22da 100644
--- a/src/org/oscim/view/renderer/ScanBox.java
+++ b/src/org/oscim/view/renderer/ScanBox.java
@@ -61,7 +61,7 @@ public class ScanBox {
 	static Edge bc = new Edge();
 	static Edge ca = new Edge();
 
-	static void scanSpans(Edge e0, Edge e1, float ymin, float ymax) {
+	static void scanSpans(Edge e0, Edge e1) {
 
 		// sort edge by x-coordinate
 		if (e0.x0 == e1.x0 && e0.y0 == e1.y0) {
@@ -86,8 +86,8 @@ public class ScanBox {
 
 		float x0, x1;
 
-		int y = (int) Math.max(ymin, FloatMath.floor(e1.y0));
-		int bottom = (int) Math.min(ymax, FloatMath.ceil(e1.y1));
+		int y = (int) Math.max(0, FloatMath.floor(e1.y0));
+		int bottom = (int) Math.min(mMax, FloatMath.ceil(e1.y1));
 
 		for (; y < bottom; y++) {
 			// float x0 = (m0 * Math.min(e0.dy, y + d0 - e0.y0) + e0.x0);
@@ -97,7 +97,7 @@ public class ScanBox {
 			if (e0.dy < x0)
 				x0 = e0.dy;
 
-			x0 = m0 * x0 + e0.x0;
+			x0 = e0.x0 + m0 * x0;
 
 			if (x0 < 0)
 				x0 = 0;
@@ -108,7 +108,7 @@ public class ScanBox {
 			if (e1.dy < x1)
 				x1 = e1.dy;
 
-			x1 = m1 * x1 + e1.x0;
+			x1 = e1.x0 + m1 * x1;
 
 			if (x1 < 0)
 				x1 = 0;
@@ -121,7 +121,7 @@ public class ScanBox {
 		}
 	}
 
-	static void scanTriangle(float ymin, float ymax) {
+	static void scanTriangle() {
 
 		if (ab.dy > bc.dy) {
 			Edge t = ab;
@@ -140,25 +140,28 @@ public class ScanBox {
 		}
 
 		if (ab.dy != 0)
-			scanSpans(ca, ab, ymin, ymax);
+			scanSpans(ca, ab);
+
 		if (bc.dy != 0)
-			scanSpans(ca, bc, ymin, ymax);
+			scanSpans(ca, bc);
 	}
 
+	private static int mMax;
+
 	public static void scan(float[] coords, TilesData tiles, int max) {
 		sTiles = tiles;
 		cntDoubles = 0;
+		mMax = max;
+
 		ab.set(coords[0], coords[1], coords[2], coords[3]);
 		bc.set(coords[2], coords[3], coords[4], coords[5]);
 		ca.set(coords[4], coords[5], coords[0], coords[1]);
+		scanTriangle();
 
-		scanTriangle(0, max);
-		// Log.d("..", ">doubles " + cntDoubles);
 		ab.set(coords[4], coords[5], coords[6], coords[7]);
 		bc.set(coords[6], coords[7], coords[0], coords[1]);
 		ca.set(coords[0], coords[1], coords[4], coords[5]);
-
-		scanTriangle(0, max);
+		scanTriangle();
 
 		// Log.d("..", "<doubles " + cntDoubles);
 	}
diff --git a/src/org/oscim/view/renderer/TileGenerator.java b/src/org/oscim/view/renderer/TileGenerator.java
index c278f8ac..220c3ed0 100644
--- a/src/org/oscim/view/renderer/TileGenerator.java
+++ b/src/org/oscim/view/renderer/TileGenerator.java
@@ -247,8 +247,7 @@ public class TileGenerator implements IRenderCallback, IMapDatabaseCallback {
 	@Override
 	public void renderPointOfInterestCaption(Caption caption) {
 		// Log.d(TAG, "renderPointOfInterestCaption: " + mPoiX + " " + mPoiY +
-		// " "
-		// + mTagName);
+		// " " + mTagName);
 
 		if (mTagName == null)
 			return;
@@ -430,8 +429,8 @@ public class TileGenerator implements IRenderCallback, IMapDatabaseCallback {
 		mDebugDrawPolygons = !debugSettings.mDisablePolygons;
 		mDebugDrawUnmatched = debugSettings.mDrawUnmatchted;
 
-		// fixed now....
 		if (tile.newData || tile.isReady) {
+			// fixed now....
 			Log.d(TAG, "XXX tile already loaded "
 					+ tile + " "
 					+ tile.newData + " "
@@ -468,8 +467,7 @@ public class TileGenerator implements IRenderCallback, IMapDatabaseCallback {
 		}
 
 		if (debugSettings.mDrawTileFrames) {
-			mTagName = new Tag("name", countLines + " " + countNodes + " "
-					+ tile.toString(), false);
+			mTagName = new Tag("name", tile.toString(), false);
 			mPoiX = Tile.TILE_SIZE >> 1;
 			mPoiY = 10;
 			TileGenerator.renderTheme.matchNode(this, debugTagWay, (byte) 0);