code: function (bounds, position, redraw) {
          if (redraw == null) {
              redraw = true;
          }
  
          this.setBounds(bounds);
          this.position = position.clone();
          if (redraw) {
              this.draw();
          }
      }
docs: Method: moveTo
  Reposition the tile.
  
  Parameters:
  bounds - {<OpenLayers.Bounds>}
  position - {<OpenLayers.Pixel>}
  redraw - {Boolean} Call draw method on tile after moving.
  Default is true