A NavigationControl control contains zoom buttons and a compass.
         
        
            Constructor
 
    
        
        tt.NavigationControl([options])
            
            
            
        
    
    
        
            
        
        
            Example
            var nav = new tt.NavigationControl({});
map.addControl(nav, 'top-left');
         
        
            Parameters
    
        
            
                | Name | 
                Description | 
            
        
        
    
        options
            
         
        Object
         
        
            default:None
     | 
    Object with options
 | 
    
        options.showZoom
            
         
        Boolean
         
        
            default:true
     | 
    If true the zoom-in and zoom-out buttons are included.
 | 
    
        options.showCompass
            
         
        Boolean
         
        
            default:true
     | 
    If true the compass button is included.
 | 
    
        options.showExtendedRotationControls
            
         
        Boolean
         
        
            default:false
     | 
    If true the rotation buttons are included.
 | 
    
        options.rotationStep
            
         
        Boolean
         
        
            default:10
     | 
    The number of degrees the map rotates per click
 | 
    
        options.showPitch
            
         
        Boolean
         
        
            default:false
     | 
    If true the pitch button is included.
 | 
    
        options.showExtendedPitchControls
            
         
        Boolean
         
        
            default:false
     | 
    If true the rotation buttons are included.
 | 
    
        options.pitchStep
            
         
        Boolean
         
        
            default:10
     | 
    The number of degrees the map tilts per click
 |