diff --git a/brouter-core/src/main/java/btools/router/OsmTrack.java b/brouter-core/src/main/java/btools/router/OsmTrack.java
index 909d2a5..3909c2f 100644
--- a/brouter-core/src/main/java/btools/router/OsmTrack.java
+++ b/brouter-core/src/main/java/btools/router/OsmTrack.java
@@ -11,6 +11,7 @@ import java.io.BufferedReader;
 import java.io.BufferedWriter;
 import java.io.DataInputStream;
 import java.io.DataOutputStream;
+import java.io.EOFException;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
@@ -25,7 +26,8 @@ import btools.util.FrozenLongMap;
 public final class OsmTrack
 {
   public MatchedWaypoint endPoint;
-	
+  public long[] nogoChecksums;
+  
   private class OsmPathElementHolder
   {
     public OsmPathElement node;
@@ -86,10 +88,13 @@ public final class OsmTrack
 	{
       node.writeToStream( dos );
 	}
+    dos.writeLong( nogoChecksums[0] );
+    dos.writeLong( nogoChecksums[1] );
+    dos.writeLong( nogoChecksums[2] );
     dos.close();
   }
 
-  public static OsmTrack readBinary( String filename, OsmNodeNamed newEp )
+  public static OsmTrack readBinary( String filename, OsmNodeNamed newEp, long[] nogoChecksums )
   {
 	OsmTrack t = null;
 	if ( filename != null )
@@ -119,7 +124,18 @@ public final class OsmTrack
         	t.cost = last_pe.cost;
         	t.buildMap();
           }
+          long[] al = new long[3];
+          try
+          {
+            al[0] = dis.readLong();
+            al[1] = dis.readLong();
+            al[2] = dis.readLong();
+          } catch( EOFException eof ) { /* kind of expected */ }
           dis.close();
+          boolean nogoCheckOk = Math.abs( al[0] - nogoChecksums[0] ) <= 20
+                             && Math.abs( al[1] - nogoChecksums[1] ) <= 20
+		                     && Math.abs( al[2] - nogoChecksums[2] ) <= 20;
+          if ( !nogoCheckOk ) return null;
 		}
 		catch( Exception e )
 		{
diff --git a/brouter-core/src/main/java/btools/router/RoutingContext.java b/brouter-core/src/main/java/btools/router/RoutingContext.java
index a6b8a0d..7792786 100644
--- a/brouter-core/src/main/java/btools/router/RoutingContext.java
+++ b/brouter-core/src/main/java/btools/router/RoutingContext.java
@@ -92,6 +92,20 @@ public final class RoutingContext implements DistanceChecker
     }
   }
 
+  public long[] getNogoChecksums()
+  {
+    long[] cs = new long[3];
+    int n = nogopoints == null ? 0 : nogopoints.size();
+    for( int i=0; i<n; i++ )
+    {
+    	OsmNodeNamed nogo = nogopoints.get(i);
+    	cs[0] += nogo.ilon;
+    	cs[1] += nogo.ilat;
+    	cs[2] += (long) ( nogo.radius*111894.*10.);
+    }
+    return cs;
+  }
+  
   public void setWaypoint( OsmNodeNamed wp, boolean endpoint )
   {
     keepnogopoints = nogopoints;
diff --git a/brouter-core/src/main/java/btools/router/RoutingEngine.java b/brouter-core/src/main/java/btools/router/RoutingEngine.java
index a48dd75..3bbe50a 100644
--- a/brouter-core/src/main/java/btools/router/RoutingEngine.java
+++ b/brouter-core/src/main/java/btools/router/RoutingEngine.java
@@ -1,7 +1,11 @@
 package btools.router;
 
 import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.Writer;
 import java.util.ArrayList;
+import java.util.Date;
 import java.util.List;
 
 import btools.expressions.BExpressionContext;
@@ -30,10 +34,12 @@ public class RoutingEngine extends Thread
 
   private volatile boolean terminated;
 
+  private File profileDir;
   private String segmentDir;
   private String outfileBase;
   private String logfileBase;
   private boolean infoLogEnabled;
+  private Writer infoLogWriter;
   private RoutingContext routingContext;
 
   private double airDistanceCostFactor;
@@ -59,7 +65,6 @@ public class RoutingEngine extends Thread
     if ( rc.localFunction != null )
     {
       String profileBaseDir = System.getProperty( "profileBaseDir" );
-      File profileDir;
       File profileFile;
       if ( profileBaseDir == null )
       {
@@ -95,6 +100,18 @@ public class RoutingEngine extends Thread
     {
       System.out.println( s );
     }
+    if ( infoLogWriter != null )
+    {
+      try
+      {
+        infoLogWriter.write( s );
+        infoLogWriter.write( '\n' );
+      }
+      catch( IOException io )
+      {
+        infoLogWriter = null; 
+      }
+    }
   }
 
   public void run()
@@ -106,6 +123,13 @@ public class RoutingEngine extends Thread
   {
     try
     {
+      File debugLog = new File( profileDir, "../debug.txt" );
+      if ( debugLog.exists() )
+      {
+        infoLogWriter = new FileWriter( debugLog, true );
+        logInfo( "start request at " + new Date() );
+      }
+        	
       startTime = System.currentTimeMillis();
       this.maxRunningTime = maxRunningTime;
       OsmTrack sum = null;
@@ -196,6 +220,12 @@ public class RoutingEngine extends Thread
       }
       openSet.clear();
       finished = true; // this signals termination to outside
+
+      if ( infoLogWriter != null )
+      {
+        try { infoLogWriter.close(); } catch( Exception e ) {}
+        infoLogWriter = null;
+      }
     }
   }
 
@@ -218,7 +248,7 @@ public class RoutingEngine extends Thread
     OsmTrack nearbyTrack = null;
     if ( refTrack == null )
     {
-      nearbyTrack = OsmTrack.readBinary( routingContext.rawTrackPath, waypoints.get( waypoints.size()-1) );
+      nearbyTrack = OsmTrack.readBinary( routingContext.rawTrackPath, waypoints.get( waypoints.size()-1), routingContext.getNogoChecksums() );
       if ( nearbyTrack != null )
       {
           wayointIds[waypoints.size()-1] = nearbyTrack.endPoint;
@@ -375,6 +405,8 @@ public class RoutingEngine extends Thread
         if ( matchPath != null )
         {
           track = mergeTrack( matchPath, nearbyTrack );
+          isDirty = true;
+          logInfo( "using fast partial recalc" );
         }
     	maxRunningTime += System.currentTimeMillis() - startTime; // reset timeout...
       }
@@ -396,6 +428,7 @@ public class RoutingEngine extends Thread
         {
           // ups, didn't find it, use a merge
           t = mergeTrack( matchPath, track );
+          logInfo( "using sloppy merge cause pass1 didn't reach destination" );
         }
         if ( t != null )
         {
@@ -411,7 +444,9 @@ public class RoutingEngine extends Thread
     
     if ( refTrack == null && !isDirty )
     {
+      logInfo( "supplying new reference track" );
       track.endPoint = endWp;
+      track.nogoChecksums = routingContext.getNogoChecksums();
       foundRawTrack = track;
     }
 
@@ -577,7 +612,8 @@ public class RoutingEngine extends Thread
     int firstMatchCost = 1000000000;
     int firstEstimate = 1000000000;
     
-    logInfo( "findtrack with maxTotalCost=" + maxTotalCost + " airDistanceCostFactor=" + airDistanceCostFactor );
+    logInfo( "findtrack with airDistanceCostFactor=" + airDistanceCostFactor );
+    if (costCuttingTrack != null ) logInfo( "costCuttingTrack.cost=" + costCuttingTrack.cost );
 
     matchPath = null;
     int nodesVisited = 0;
@@ -602,6 +638,20 @@ public class RoutingEngine extends Thread
 
     int maxAdjCostFromQueue = 0;
 
+    // check for an INITIAL match with the cost-cutting-track
+    if ( costCuttingTrack != null )
+    {
+        OsmPathElement pe1 = costCuttingTrack.getLink( startNodeId1, startNodeId2 );
+        if ( pe1 != null ) { logInfo( "initialMatch pe1.cost=" + pe1.cost );
+        	int c = startPath1.cost - pe1.cost; if ( c < 0 ) c = 0; if ( c < firstMatchCost ) firstMatchCost = c; }
+
+        OsmPathElement pe2 = costCuttingTrack.getLink( startNodeId2, startNodeId1 );
+        if ( pe2 != null ) { logInfo( "initialMatch pe2.cost=" + pe2.cost );
+            int c = startPath2.cost - pe2.cost; if ( c < 0 ) c = 0; if ( c < firstMatchCost ) firstMatchCost = c; }
+        
+        if ( firstMatchCost < 1000000000 ) logInfo( "firstMatchCost from initial match=" + firstMatchCost );
+    }
+    
     synchronized( openSet )
     {
       openSet.clear();
@@ -634,6 +684,7 @@ public class RoutingEngine extends Thread
 
       if ( matchPath != null && fastPartialRecalc && firstMatchCost < 500 && path.cost > 30L*firstMatchCost )
       {
+        logInfo( "early exit: firstMatchCost=" + firstMatchCost + " path.cost=" + path.cost );
         throw new IllegalArgumentException( "early exit for a close recalc" );
       }
       
@@ -664,6 +715,11 @@ public class RoutingEngine extends Thread
           {
             // remember first match cost for fast termination of partial recalcs
         	int parentcost = path.originElement == null ? 0 : path.originElement.cost;
+        	
+        	// hitting start-element of costCuttingTrack?
+        	int c = path.cost - parentcost - pe.cost;
+        	if ( c > 0 ) parentcost += c;
+        	
         	if ( parentcost < firstMatchCost ) firstMatchCost = parentcost;
         	  
             int costEstimate = path.cost
diff --git a/brouter-routing-app/assets/profiles2.zip b/brouter-routing-app/assets/profiles2.zip
index 11418aa..dd0e81a 100644
Binary files a/brouter-routing-app/assets/profiles2.zip and b/brouter-routing-app/assets/profiles2.zip differ
diff --git a/brouter-routing-app/src/main/java/btools/routingapp/BInstallerSizes.java b/brouter-routing-app/src/main/java/btools/routingapp/BInstallerSizes.java
index 0074a78..a635ab3 100644
--- a/brouter-routing-app/src/main/java/btools/routingapp/BInstallerSizes.java
+++ b/brouter-routing-app/src/main/java/btools/routingapp/BInstallerSizes.java
@@ -3,7 +3,13 @@ package btools.routingapp;
 
 public class BInstallerSizes {
 
-   public static int[] rd5_sizes = {
+  public static int getRd5Size( int idx )
+  {
+	  int i = rd5_sizes[idx];
+	  return (3*i)/4;
+  }
+	
+   private static int[] rd5_sizes = {
 
         0,0,0,0,0,0,0,0,0,0,0,0,
         0,0,0,0,0,0,0,0,0,73999,0,0,
@@ -223,6 +229,12 @@ public class BInstallerSizes {
         0,0,0,0,0,0,0,0,0,0,0,0,
         };
         
+   public static int getCd5Size( int idx )
+   {
+ 	  int i = cd5_sizes[idx];
+ 	  return (3*i)/4;
+   }
+
    public static int[] cd5_sizes = {
         0,0,0,0,0,0,0,0,0,0,0,0,
         0,0,0,0,0,0,0,0,0,70091,0,0,
diff --git a/brouter-routing-app/src/main/java/btools/routingapp/BInstallerView.java b/brouter-routing-app/src/main/java/btools/routingapp/BInstallerView.java
index 4f20723..9ef2416 100644
--- a/brouter-routing-app/src/main/java/btools/routingapp/BInstallerView.java
+++ b/brouter-routing-app/src/main/java/btools/routingapp/BInstallerView.java
@@ -39,6 +39,10 @@ public class BInstallerView extends View
 		9, 8, 9, 8,
 		12, 12, 12, 12 };
 	
+    private int imgwOrig;
+    private int imghOrig;
+    private float scaleOrig;
+
     private int imgw;
     private int imgh;
 
@@ -132,7 +136,7 @@ public class BInstallerView extends View
     	    	  boolean isCd5 = (mask == 2);
         	      if ( ( s & mask ) != 0 && ( s & (mask*4)) == 0 )
         	      {
-                    int tilesize = isCd5 ? BInstallerSizes.cd5_sizes[tidx] : BInstallerSizes.rd5_sizes[tidx];
+                    int tilesize = isCd5 ? BInstallerSizes.getCd5Size(tidx) : BInstallerSizes.getRd5Size(tidx);
                     if ( tilesize > 0 && tilesize < min_size )
                     {
                       tidx_min = tidx;
@@ -229,6 +233,7 @@ public class BInstallerView extends View
     }
     
     private Matrix mat;
+    private Matrix matText;
     
        public void startInstaller() {
 
@@ -249,8 +254,8 @@ public class BInstallerView extends View
            tileStatus = new int[72*36];
            scanExistingFiles();
            
-           float scaleX = imgw / ((float)bmp.getWidth());
-           float scaley = imgh / ((float)bmp.getHeight());
+           float scaleX = imgwOrig / ((float)bmp.getWidth());
+           float scaley = imghOrig / ((float)bmp.getHeight());
            
            viewscale = scaleX < scaley ? scaleX : scaley;            
 
@@ -270,8 +275,17 @@ public class BInstallerView extends View
 
             DisplayMetrics metrics = new DisplayMetrics();
             ((Activity)getContext()).getWindowManager().getDefaultDisplay().getMetrics(metrics);
-            imgw = metrics.widthPixels;
-            imgh = metrics.heightPixels;
+            imgwOrig = metrics.widthPixels;
+            imghOrig = metrics.heightPixels;
+            int im = imgwOrig > imghOrig ? imgwOrig : imghOrig;
+            
+            scaleOrig = im / 480.f;            
+
+            matText = new Matrix();
+            matText.preScale( scaleOrig, scaleOrig );
+            
+            imgw = (int)(imgwOrig / scaleOrig);
+            imgh = (int)(imghOrig / scaleOrig);
         }
 
         @Override
@@ -328,7 +342,7 @@ public class BInstallerView extends View
               pnt_2.setStrokeWidth(2);
               drawSelectedTiles( canvas, pnt_2, fw, fh, MASK_SELECTED_RD5, MASK_SELECTED_CD5, true, drawGrid );
 
-        	canvas.setMatrix( null );
+        	canvas.setMatrix( matText );
 
             Paint paint = new Paint();
             paint.setColor(Color.RED);
@@ -388,13 +402,13 @@ float tx, ty;
           	boolean isCd5 = (tileStatus[tidx] & maskCd5) != 0;
     	    if ( isRd5 || isCd5 )
     	    {
-              int tilesize = BInstallerSizes.rd5_sizes[tidx];
+              int tilesize = BInstallerSizes.getRd5Size(tidx);
               if ( tilesize > 0 )
               {
             	if ( doCount )
             	{
-      	          if ( isRd5) { rd5Tiles++; totalSize += BInstallerSizes.rd5_sizes[tidx]; };
-    	          if ( isCd5) { cd5Tiles++; totalSize += BInstallerSizes.cd5_sizes[tidx]; };
+      	          if ( isRd5) { rd5Tiles++; totalSize += BInstallerSizes.getRd5Size(tidx); };
+    	          if ( isCd5) { cd5Tiles++; totalSize += BInstallerSizes.getCd5Size(tidx); };
             	}
             	if ( !doDraw ) continue;
         	    if ( isRd5 ) canvas.drawLine( fw*ix, fh*iy, fw*(ix+1), fh*(iy+1), pnt);
@@ -499,7 +513,7 @@ float tx, ty;
               	}
             	
                 // download button?
-            	if ( rd5Tiles + cd5Tiles > 0 && event.getX() > imgh - btnh && event.getY() > imgh-btnh )
+            	if ( rd5Tiles + cd5Tiles > 0 && event.getX() > imgwOrig - btnw*scaleOrig && event.getY() > imghOrig-btnh*scaleOrig )
             	{
             		toggleDownload();
                 	invalidate();
diff --git a/brouter-routing-app/src/main/java/btools/routingapp/BRouterActivity.java b/brouter-routing-app/src/main/java/btools/routingapp/BRouterActivity.java
index 1e358c6..b98d8c5 100644
--- a/brouter-routing-app/src/main/java/btools/routingapp/BRouterActivity.java
+++ b/brouter-routing-app/src/main/java/btools/routingapp/BRouterActivity.java
@@ -35,6 +35,7 @@ public class BRouterActivity  extends Activity implements OnInitListener {
     private static final int DIALOG_PICKWAYPOINT_ID = 10;
     private static final int DIALOG_SELECTBASEDIR_ID = 11;
     private static final int DIALOG_MAINACTION_ID = 12;
+    private static final int DIALOG_OLDDATAHINT_ID = 13;
 
     private BRouterView mBRouterView;
     private PowerManager mPowerManager;
@@ -106,6 +107,21 @@ public class BRouterActivity  extends Activity implements OnInitListener {
                        }
                    });
             return builder.create();
+        case DIALOG_OLDDATAHINT_ID:
+            builder = new AlertDialog.Builder(this);
+            builder.setTitle( "Local setup needs reset" )
+                   .setMessage( "You are currently using an old version of the lookup-table "
+             		      + "together with routing data made for this old table. "
+            		      + "Before downloading new datafiles made for the new table, "
+            		      + "you have to reset your local setup by 'moving away' (or deleting) "
+            		      + "your <basedir>/brouter directory and start a new setup by calling the "
+            		      + "BRouter App again." )
+                   .setPositiveButton( "OK", new DialogInterface.OnClickListener() {
+                       public void onClick(DialogInterface dialog, int id) {
+                      	    finish();
+                       }
+                   });
+            return builder.create();
         case DIALOG_ROUTINGMODES_ID:
           builder = new AlertDialog.Builder(this);
           builder.setTitle( message );
@@ -319,7 +335,14 @@ public class BRouterActivity  extends Activity implements OnInitListener {
     @SuppressWarnings("deprecation")
     public void startDownloadManager()
     {
-      showDialog( DIALOG_SHOW_DM_INFO_ID );
+      if ( !mBRouterView.hasUpToDateLookups() )
+      {
+        showDialog( DIALOG_OLDDATAHINT_ID );
+      }
+      else
+      {
+        showDialog( DIALOG_SHOW_DM_INFO_ID );
+      }
     }
 
     @SuppressWarnings("deprecation")
diff --git a/brouter-routing-app/src/main/java/btools/routingapp/BRouterView.java b/brouter-routing-app/src/main/java/btools/routingapp/BRouterView.java
index a60b9d0..84ffff4 100644
--- a/brouter-routing-app/src/main/java/btools/routingapp/BRouterView.java
+++ b/brouter-routing-app/src/main/java/btools/routingapp/BRouterView.java
@@ -191,12 +191,6 @@ public class BRouterView extends View
                   if ( fileName.endsWith( ".cd5" ) ) segmentFound = true;
                 }
               }
-              if ( !segmentFound )
-              {
-                  ((BRouterActivity)getContext()).startDownloadManager();
-                  waitingForSelection = true;
-                  return;
-              }
 
               fileNames = new File( profileDir ).list();
               ArrayList<String> profiles = new ArrayList<String>();
@@ -222,6 +216,12 @@ public class BRouterView extends View
                           + " contains no routing profiles (*.brf)."
                           + " see www.dr-brenschede.de/brouter for setup instructions." );
               }
+              if ( !segmentFound )
+              {
+                  ((BRouterActivity)getContext()).startDownloadManager();
+                  waitingForSelection = true;
+                  return;
+              }
               ((BRouterActivity)getContext()).selectProfile( profiles.toArray( new String[0]) );
             }
             catch( Exception e )
@@ -234,6 +234,13 @@ public class BRouterView extends View
             waitingForSelection = true;
         }
 
+        public boolean hasUpToDateLookups()
+        {
+    	  BExpressionMetaData meta = new BExpressionMetaData();
+          meta.readMetaData( new File( profileDir, "lookups.dat" ) );
+          return meta.lookupVersion == 10;
+        }
+        
         public void continueProcessing()
         {
           waitingForSelection = false;
diff --git a/misc/scripts/mapcreation/process_pbf_planet.sh b/misc/scripts/mapcreation/process_pbf_planet.sh
index ec980cc..6dd1f7b 100644
--- a/misc/scripts/mapcreation/process_pbf_planet.sh
+++ b/misc/scripts/mapcreation/process_pbf_planet.sh
@@ -14,15 +14,15 @@ rm -rf /var/www/brouter/segments2_lastrun
 mkdir tmp
 cd tmp
 mkdir nodetiles
-/java/bin/java -Xmx256m -Xms256m -Xmn32m -cp ../pbfparser.jar:../brouter.jar btools.mapcreator.OsmCutter ../lookups.dat nodetiles ways.dat relations.dat ../planet-latest.osm.pbf
-
-/java/bin/java -Xmx2600M -Xms2600M -Xmn32M -cp ../brouter.jar -Ddeletetmpfiles=true -DuseDenseMaps=true btools.mapcreator.RelationMerger ways.dat ways2.dat relations.dat ../lookups.dat ../trekking.brf ../softaccess.brf
+/java/bin/java -Xmx256m -Xms256m -Xmn32m -cp ../pbfparser.jar:../brouter.jar btools.mapcreator.OsmCutter ../lookups.dat nodetiles ways.dat relations.dat ../all.brf ../planet-latest.osm.pbf
 
 mkdir ftiles
 /java/bin/java -Xmx512M -Xms512M -Xmn32M -cp ../brouter.jar -Ddeletetmpfiles=true -DuseDenseMaps=true btools.mapcreator.NodeFilter nodetiles ways.dat ftiles
 
+/java/bin/java -Xmx2600M -Xms2600M -Xmn32M -cp ../brouter.jar -Ddeletetmpfiles=true -DuseDenseMaps=true btools.mapcreator.RelationMerger ways.dat ways2.dat relations.dat ../lookups.dat ../trekking.brf ../softaccess.brf
+
 mkdir waytiles
-/java/bin/java -Xmx2600M -Xms2600M -Xmn32M -cp ../brouter.jar -Ddeletetmpfiles=true -DuseDenseMaps=true btools.mapcreator.WayCutter ftiles ways.dat waytiles
+/java/bin/java -Xmx2600M -Xms2600M -Xmn32M -cp ../brouter.jar -Ddeletetmpfiles=true -DuseDenseMaps=true btools.mapcreator.WayCutter ftiles ways2.dat waytiles
 
 mkdir waytiles55
 /java/bin/java -Xmx2600M -Xms2600M -Xmn32M -cp ../brouter.jar -Ddeletetmpfiles=true -DuseDenseMaps=true btools.mapcreator.WayCutter5 ftiles waytiles waytiles55 bordernids.dat