zoomPosition property
      
      double
      get
      zoomPosition
      
    
    
    
Implementation
double get zoomPosition =>
    _zoomPositionTween != null && axis._animation != null
        ? _zoomPositionTween!.evaluate(axis._animation!)
        : _zoomPosition;
      
      set
      zoomPosition
      (double value) 
      
    
    
    
Implementation
set zoomPosition(double value) {
  _zoomPosition = value;
  if (_onUpdateInitialZoomFactorAndPosition != null ||
      (!_isVisibleMinChanged && !_isVisibleMaxChanged)) {
    _updateZoomPositionTween(_zoomPosition, _zoomPosition);
  }
  _notifyZoomFactorAndPositionListener();
}