anchor.diff:  
   procedure TSesmiTrackLayer.Reset;
   begin
  -  //todo: implement reset!
  +  tilerLayer.signalSliceAction();
   end;
   
   function TSesmiTrackLayer.SliceType: Integer;
  
positive.code:   id: TWDID;
    sensorid: TGUID;
  begin
    timestamp := 0;
    while aCursor<aLimit do
    begin
  
negative.code: procedure TSesmiMobileSensorLayer.RegisterLayer;
  begin
    RegisterOnTiler(False, SliceType, name, 2500, fPalette);
    fTilerLayer.signalSliceAction();
  end;
  
  procedure TSesmiMobileSensorLayer.RegisterSlice;
  