private void RotateImage(RotationOperation operation)
        {
            vtkImageReslice reslice   = vtkImageReslice.New();
            vtkTransform    transform = vtkTransform.New();

            transform.PostMultiply();

            double[] center = { 75, 100, 0 };
            transform.Translate(-center[0], -center[1], -center[2]);
            if (operation == RotationOperation.Forward)
            {
                transform.RotateZ(90);
            }
            else if (operation == RotationOperation.Back)
            {
                transform.RotateZ(-90);
            }
            transform.Translate(+center[0], +center[1], +center[2]);

            transform.Update();
            reslice.SetInput(_viewer.GetInput());
            reslice.SetResliceTransform(transform);
            reslice.Update();

            _viewer.SetInput(reslice.GetOutput());

            UpdateViewer();
        }
        /// <summary>
        /// Update the 2D visualization when the plane moved.
        /// </summary>
        /// <param name="plane">PlaneWidget which changed the coordinates.</param>
        public void PlaneMoved(vtkImagePlaneWidget plane)
        {
            vtkImageReslice reslice   = vtkImageReslice.New();
            vtkTransform    transform = vtkTransform.New();

            transform.PostMultiply();

            //TODO wyznaczenie centrum okna
            double[] center = { 75, 100, 0 };
            transform.Translate(-center[0], -center[1], -center[2]);
            transform.RotateZ(_orientation);
            transform.Translate(+center[0], +center[1], +center[2]);

            transform.Update();
            reslice.SetInput(plane.GetResliceOutput());
            reslice.SetResliceTransform(transform);
            reslice.Update();
            //
            vtkImageData viewerInputData;

            viewerInputData = reslice.GetOutput();

            _lastData = viewerInputData;

            _viewer.SetInput(viewerInputData);
            //
            //_viewer.SetInput(reslice.GetOutput());
            UpdateViewer();
        }
        //TODO

        public void DrawingModeRepaint()
        {
            if (_lastData == null)
            {
                return;
            }

            vtkImageReslice reslice   = vtkImageReslice.New();
            vtkTransform    transform = vtkTransform.New();

            transform.PostMultiply();

            //TODO wyznaczenie centrum okna
            double[] center = { 75, 100, 0 };
            transform.Translate(-center[0], -center[1], -center[2]);
            transform.RotateZ(_orientation);
            transform.Translate(+center[0], +center[1], +center[2]);

            transform.Update();

            reslice.SetInput(_lastData);
            reslice.SetResliceTransform(transform);
            reslice.Update();

            vtkImageData viewerInputData;

            if (!DrawingEnabled)
            {
                viewerInputData = reslice.GetOutput();
            }
            else
            {
                var resliceOutput = reslice.GetOutput();
                var sizeArray     = resliceOutput.GetDimensions();

                vtkImageCanvasSource2D imageCanvas = vtkImageCanvasSource2D.New();
                imageCanvas.SetScalarTypeToUnsignedChar();
                imageCanvas.SetExtent(0, sizeArray[0], 0, sizeArray[1], 0, 0);
                imageCanvas.DrawImage(0, 0, resliceOutput);

                DrawingUtils.Draw(imageCanvas, DrawingInfo);

                imageCanvas.Update();
                viewerInputData = imageCanvas.GetOutput();
            }
            _viewer.SetInput(viewerInputData);

            UpdateViewer();
        }