private OsmTrack compileTrip(ScheduledTrip trip, int offset) {
    OsmTrack track = new OsmTrack();
    track.iternity = new ArrayList<String>();
    ScheduledTrip current = trip;
    ScheduledLine lastLine = new ScheduledLine();
    ScheduledLine dummyLine = new ScheduledLine();
    List<ScheduledTrip> list = new ArrayList<ScheduledTrip>();

    int distance = 0;

    ScheduledTrip itrip = null;

    String profile = extractProfile(rc.localFunction);

    OsmNodeP nextNode = null;
    while (current != null) {
      System.out.println("trip=" + current);
      OsmNodeP node = current.getTargetNode();
      OsmPathElement pe = new OsmPathElement(node.ilon, node.ilat, node.selev, null);
      track.addNode(pe);

      if (nextNode != null) {
        distance += node.calcDistance(nextNode);
      }

      boolean isScheduled = current.link instanceof ScheduledLink;
      boolean isConnection = current.link.descriptionBitmap == null && !isScheduled;
      ScheduledLine line =
          isScheduled ? ((ScheduledLink) current.link).line : isConnection ? dummyLine : null;

      if (line != lastLine && !isConnection) {
        itrip = new ScheduledTrip();
        itrip.departure = current.departure;
        itrip.arrival = current.arrival;
        itrip.originNode = current.originNode;
        itrip.link = current.link;

        if (isScheduled && list.size() > 0) {
          list.get(list.size() - 1).originNode = current.getTargetNode();
        }
        list.add(itrip);
      } else if (itrip != null && !isConnection) {
        itrip.departure = current.departure;
        itrip.originNode = current.originNode;
      }
      lastLine = line;
      current = current.origin;
      nextNode = node;
    }
    track.distance = distance;
    track.cost = trip.cost;

    for (int i = list.size() - 1; i >= 0; i--) {
      current = list.get(i);
      String lineName = profile;

      boolean isScheduled = current.link instanceof ScheduledLink;
      if (isScheduled) {
        lineName = ((ScheduledLink) current.link).line.name;
      }
      String stationName = "*position*";
      if (current.originNode instanceof StationNode) {
        stationName = ((StationNode) current.originNode).name;
      }
      String nextStationName = "*position*";
      if (i > 0 && list.get(i - 1).originNode instanceof StationNode) {
        nextStationName = ((StationNode) list.get(i - 1).originNode).name;
      }
      {
        Date d0 = new Date(time0 + 60000L * offset + current.departure);
        Date d1 = new Date(time0 + 60000L * offset + current.arrival);
        if (track.iternity.size() > 0) track.iternity.add("");
        track.iternity.add("depart: " + d0 + " " + stationName);
        track.iternity.add("                                     --- " + lineName + " ---");
        track.iternity.add("arrive: " + d1 + " " + nextStationName);
      }
    }

    return track;
  }
  private void addNextTripsForLink(
      ScheduledTrip trip,
      OsmNodeP currentNode,
      OsmLinkP currentLink,
      OsmLinkP link,
      OffsetSet offsets,
      int level) {
    if (link == currentLink) {
      return; // just reverse, ignore
    }
    OsmNodeP node = link.getTarget(currentNode);
    if (node == null) {
      System.out.println("ups2: " + link);
      return;
    }

    // calc distance and check nogos
    rc.nogomatch = false;
    int distance = rc.calcDistance(currentNode.ilon, currentNode.ilat, node.ilon, node.ilat);
    if (rc.nogomatch) {
      return;
    }

    if (link instanceof ScheduledLink) {
      // System.out.println( "next trip for link: " + link + " at offset " + offsets );

      ScheduledLink slink = (ScheduledLink) link;
      ScheduledLine line = slink.line;

      // line change delay
      long delay = 0L;
      if (currentLink instanceof ScheduledLink) {
        delay =
            ((ScheduledLink) currentLink).line == line
                ? 0L
                : (long) (rc.changetime * 1000.); // 3 minutes
      }
      long changePenalty = delay > 0 ? 60000L : 0L;

      List<ScheduledDeparture> nextDepartures =
          line.getScheduledDepartures(slink.indexInLine, time0 + trip.arrival + delay, offsets);
      for (ScheduledDeparture nextDeparture : nextDepartures) {
        ScheduledTrip nextTrip = new ScheduledTrip(nextDeparture.offsets, link, currentNode, trip);
        long waitTime = nextDeparture.waitTime + delay;
        long rideTime = nextDeparture.rideTime;

        nextTrip.cost =
            trip.cost
                + (int)
                    ((rideTime + changePenalty + waitTime * rc.waittimeadjustment)
                        * rc.cost1speed
                        / 3600.); // 160ms / meter = 22km/h
        nextTrip.departure = trip.arrival + waitTime;
        nextTrip.arrival = nextTrip.departure + rideTime;

        addToOpenSet(nextTrip);

        //	      System.out.println( "found: " + nextTrip );
      }
    } else if (link.isWayLink()) {
      // get costfactor
      rc.expctxWay.evaluate(link.isReverse(currentNode), link.descriptionBitmap, null);

      // *** penalty for distance
      float costfactor = rc.expctxWay.getCostfactor();
      if (costfactor > 9999.) {
        return;
      }
      int waycost = (int) (distance * costfactor + 0.5f);

      // *** add initial cost if factor changed
      float costdiff = costfactor - trip.lastcostfactor;
      if (costdiff > 0.0005 || costdiff < -0.0005) {
        waycost += (int) rc.expctxWay.getInitialcost();
      }

      if (node.getNodeDecsription() != null) {
        rc.expctxNode.evaluate(
            rc.expctxWay.getNodeAccessGranted() != 0., node.getNodeDecsription(), null);
        float initialcost = rc.expctxNode.getInitialcost();
        if (initialcost >= 1000000.) {
          return;
        }
        waycost += (int) initialcost;
      }

      // *** penalty for turning angles
      if (trip.originNode != null) {
        // penalty proportional to direction change
        double cos =
            rc.calcCosAngle(
                trip.originNode.ilon,
                trip.originNode.ilat,
                currentNode.ilon,
                currentNode.ilat,
                node.ilon,
                node.ilat);
        int turncost =
            (int)
                (cos * rc.expctxWay.getTurncost()
                    + 0.2); // e.g. turncost=90 -> 90 degree = 90m penalty
        waycost += turncost;
      }

      ScheduledTrip nextTrip = new ScheduledTrip(offsets, link, currentNode, trip);

      // *** penalty for elevation
      short ele2 = node.selev;
      short ele1 = trip.selev;
      int elefactor = 250000;
      if (ele2 == Short.MIN_VALUE) ele2 = ele1;
      nextTrip.selev = ele2;
      if (ele1 != Short.MIN_VALUE) {
        nextTrip.ehbd = trip.ehbd + (ele1 - ele2) * elefactor - distance * rc.downhillcutoff;
        nextTrip.ehbu = trip.ehbu + (ele2 - ele1) * elefactor - distance * rc.uphillcutoff;
      }

      if (nextTrip.ehbd > rc.elevationpenaltybuffer) {
        int excess = nextTrip.ehbd - rc.elevationpenaltybuffer;
        int reduce = distance * rc.elevationbufferreduce;
        if (reduce > excess) {
          reduce = excess;
        }
        excess = nextTrip.ehbd - rc.elevationmaxbuffer;
        if (reduce < excess) {
          reduce = excess;
        }
        nextTrip.ehbd -= reduce;
        if (rc.downhillcostdiv > 0) {
          int elevationCost = reduce / rc.downhillcostdiv;
          waycost += elevationCost;
        }
      } else if (nextTrip.ehbd < 0) {
        nextTrip.ehbd = 0;
      }

      if (nextTrip.ehbu > rc.elevationpenaltybuffer) {
        int excess = nextTrip.ehbu - rc.elevationpenaltybuffer;
        int reduce = distance * rc.elevationbufferreduce;
        if (reduce > excess) {
          reduce = excess;
        }
        excess = nextTrip.ehbu - rc.elevationmaxbuffer;
        if (reduce < excess) {
          reduce = excess;
        }
        nextTrip.ehbu -= reduce;
        if (rc.uphillcostdiv > 0) {
          int elevationCost = reduce / rc.uphillcostdiv;
          waycost += elevationCost;
        }
      } else if (nextTrip.ehbu < 0) {
        nextTrip.ehbu = 0;
      }

      nextTrip.lastcostfactor = costfactor;
      nextTrip.cost = trip.cost + (int) (waycost * rc.additionalcostfactor + 0.5);
      nextTrip.departure = trip.arrival;
      nextTrip.arrival =
          nextTrip.departure + (long) (waycost * 3600. / rc.cost1speed); // 160ms / meter = 22km/h

      addToOpenSet(nextTrip);
    } else // connecting link
    {
      ScheduledTrip nextTrip = new ScheduledTrip(offsets, link, currentNode, trip);

      long delay = (long) (rc.buffertime * 1000.); // 2 min
      nextTrip.cost = trip.cost + (int) (delay * rc.waittimeadjustment * rc.cost1speed / 3600.);
      nextTrip.departure = trip.arrival;
      nextTrip.arrival = nextTrip.departure + delay;

      addToOpenSet(nextTrip);
    }
  }