Keep a cost of -1 for nogos which should never been entered to prevent them from being fed in the priority queue

brouter-core/src/main/java/btools/router/OsmNodeNamed.java

@@ -17,8 +17,12 @@ public class OsmNodeNamed extends OsmNode
   @Override
   public String toString()
   {
+    if ( Double.isNaN(nogoWeight ) ) {
+      return ilon + "," + ilat + "," + name;
+    } else {
       return ilon + "," + ilat + "," + name + "," + nogoWeight;
     }
+  }
 
   public static OsmNodeNamed decodeNogo( String s )
   {
@@ -30,7 +34,7 @@ public class OsmNodeNamed extends OsmNode
     int idx3 = s.indexOf( ',', idx2+1 );
     if ( idx3 == -1) {
         n.name = s.substring( idx2 + 1 );
-        n.nogoWeight = 100000;
+        n.nogoWeight = Double.NaN;
     } else {
         n.name = s.substring( idx2+1, idx3 );
         n.nogoWeight = Double.parseDouble( s.substring( idx3 + 1 ) );

brouter-core/src/main/java/btools/router/OsmPath.java

@@ -427,8 +427,12 @@ abstract class OsmPath implements OsmLinkHolder
         }
         if ( rc.nogomatch != null )
         {
+          if ( Double.isNaN(rc.nogomatch.nogoWeight) ) {
+            cost = -1;
+          } else {
             cost += rc.nogomatch.nogoWeight;
           }
+        }
         return;
       }
 
@@ -462,8 +466,13 @@ abstract class OsmPath implements OsmLinkHolder
     // check for nogo-matches (after the *actual* start of segment)
     if ( rc.nogomatch != null )
     {
+      if ( Double.isNaN(rc.nogomatch.nogoWeight) ) {
+        cost = -1;
+        return;
+      } else {
         cost += rc.nogomatch.nogoWeight;
       }
+    }
 
     // add target-node costs
     double targetCost = processTargetNode( rc );

brouter-core/src/main/java/btools/router/StdPath.java

@@ -180,7 +180,6 @@ final class StdPath extends OsmPath
     return 0.;
   }
 
-
   @Override
   public int elevationCorrection( RoutingContext rc )
   {

brouter-mem-router/src/main/java/btools/memrouter/ScheduledRouter.java

@@ -305,9 +305,9 @@ System.out.println( "*** finishedOffsets = " + finishedOffsets );
     }
 
     // calc distance and check nogos
-    rc.nogomatch = false;
+    rc.nogomatch = null;
     int distance = rc.calcDistance( currentNode.ilon, currentNode.ilat, node.ilon, node.ilat );
-    if ( rc.nogomatch )
+    if ( rc.nogomatch != null )
     {
       return;
     }

brouter-server/src/main/java/btools/server/request/ServerHandler.java

@@ -222,7 +222,7 @@ public class ServerHandler extends RequestHandler {
     for (int i = 0; i < lonLatRadList.length; i++)
     {
       String[] lonLatRad = lonLatRadList[i].split(",");
-      String nogoWeight = "100000";
+      String nogoWeight = "NaN";
       if (lonLatRad.length > 3) {
           nogoWeight = lonLatRad[3];
       }