diff --git a/src/org/oscim/renderer/overlays/TextOverlayExp.java b/src/org/oscim/renderer/overlays/TextOverlayExp.java
index eb99008b..8d9e97b6 100644
--- a/src/org/oscim/renderer/overlays/TextOverlayExp.java
+++ b/src/org/oscim/renderer/overlays/TextOverlayExp.java
@@ -113,7 +113,7 @@ public class TextOverlayExp extends BasicOverlay {
 
 		@Override
 		protected void doWork() {
-			SystemClock.sleep(150);
+			SystemClock.sleep(500);
 			if (!mRun)
 				return;
 
@@ -192,7 +192,7 @@ public class TextOverlayExp extends BasicOverlay {
 					continue;
 				}
 
-				return 3;
+				return 2;
 			}
 
 			boolean intersect = ti.bbox.overlaps(lp.bbox);
@@ -685,7 +685,6 @@ public class TextOverlayExp extends BasicOverlay {
 		if (layers.baseLayers != null) {
 			setMatrix(pos, m, true);
 
-			//Matrix.multiplyMM(m.mvp, 0, m.proj, 0, m.mvp,0);
 			for (Layer l = layers.baseLayers; l != null;) {
 				if (l.type == Layer.POLYGON) {
 					l = PolygonRenderer.draw(pos, l, m.mvp, true, false);
diff --git a/src/org/oscim/utils/GeometryUtils.java b/src/org/oscim/utils/GeometryUtils.java
index 1e086ec8..a1a63533 100644
--- a/src/org/oscim/utils/GeometryUtils.java
+++ b/src/org/oscim/utils/GeometryUtils.java
@@ -362,4 +362,6 @@ public final class GeometryUtils {
 
 		return inside;
 	}
+
+	// TODO compare with http://alienryderflex.com/polygon/
 }