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(); }
/// <summary> /// Rotates volume along given axis. /// </summary> /// <param name="volume"></param> /// <param name="angles"></param> public static void RotateData(ref vtkImageData volume, double[] angles) { // Rotation along image center double[] center = volume.GetExtent().Divide(2); // Dimensions of rotated image int[] outExtent = volume.GetExtent().Multiply(1.1).Round().ToInt32(); // Rotation parameters var rotate = new vtkTransform(); rotate.Translate(center[1], center[3], center[5]); rotate.RotateX(angles[0]); rotate.RotateY(angles[1]); rotate.RotateZ(angles[2]); // z angle should be 0 rotate.Translate(-center[1], -center[3], -center[5]); // Perform rotation var slice = new vtkImageReslice(); slice.SetInput(volume); slice.SetResliceTransform(rotate); slice.SetInterpolationModeToCubic(); slice.SetOutputSpacing(volume.GetSpacing()[0], volume.GetSpacing()[1], volume.GetSpacing()[2]); slice.SetOutputOrigin(volume.GetOrigin()[0], volume.GetOrigin()[1], volume.GetOrigin()[2]); slice.SetOutputExtent(outExtent[0], outExtent[1], outExtent[2], outExtent[3], outExtent[4], outExtent[5]); }
//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(); }
public void SetRotation() { vtkTransform.RotateX(rotateX); vtkTransform.RotateY(rotateY); vtkTransform.RotateZ(rotateZ); }