nl_tokens: Programmatic way to draw a filter rectangle ( bit of a hack )
pl_tokens: function ( filter ) { this . _startLatLng = filter . northEast ; var shape = <mask> L . Rectangle ( new L . LatLngBounds ( this . _startLatLng , filter . southWest ) , this . options . shapeOptions ) ; return { type : 'rectangle' , 'layer' : shape } ; }