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cxSlicedImageProxy.cpp
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1 /*=========================================================================
2 This file is part of CustusX, an Image Guided Therapy Application.
3 
4 Copyright (c) 2008-2014, SINTEF Department of Medical Technology
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32 
33 
34 #include "cxSlicedImageProxy.h"
35 
36 #include <vtkImageReslice.h>
37 #include <vtkImageMapToWindowLevelColors.h>
38 #include <vtkWindowLevelLookupTable.h>
39 #include <vtkImageData.h>
40 #include <vtkMatrix4x4.h>
41 #include <vtkImageAlgorithm.h>
42 #include <vtkImageChangeInformation.h>
43 #include <vtkImageExtractComponents.h>
44 #include <vtkImageAppendComponents.h>
45 
46 #include "cxImage.h"
47 #include "cxSliceProxy.h"
48 #include "cxImageLUT2D.h"
49 #include "cxTypeConversions.h"
50 
51 
52 namespace cx
53 {
54 
55 
57 {
58  mDummyImage = Image::createDummyImageData(1, 0);
59 
60  mRedirecter = vtkSmartPointer<vtkImageChangeInformation>::New(); // used for forwarding only.
61  mRedirecter->SetInputData(mDummyImage);
62 }
63 
65 {
66 
67 }
68 
70 {
71  vtkImageChangeInformationPtr redirecter = vtkImageChangeInformationPtr::New();
72  redirecter->SetInputData(image);
73  redirecter->Update();
74  this->setInput(redirecter, lut);
75 }
76 
78 {
79  input->Update();
80 
81  if (input->GetOutput())
82  {
83  if (input->GetOutput()->GetNumberOfScalarComponents() == 3) // color
84  {
85  // split the image into the components, apply the lut, then merge.
86 
87  vtkImageAppendComponentsPtr merger = vtkImageAppendComponentsPtr::New();
88 
89  for (int i = 0; i < 3; ++i)
90  {
91  vtkImageMapToColorsPtr compWindowLevel = vtkImageMapToColorsPtr::New();
92  compWindowLevel->SetInputConnection(input->GetOutputPort());
93  compWindowLevel->SetActiveComponent(i);
94  compWindowLevel->SetLookupTable(lut);
95  if (i==2) //TODO the only thing missing here is the alpha channel. Should be able to pass that on from the last pipe.
96  {
97  compWindowLevel->SetOutputFormatToLuminanceAlpha();
98  }
99  else
100  {
101  compWindowLevel->SetOutputFormatToLuminance();
102  }
103 
104  merger->AddInputConnection(compWindowLevel->GetOutputPort());
105  }
106 
107  mRedirecter->SetInputConnection(merger->GetOutputPort());
108  }
109  else // grayscale
110  {
111  vtkImageMapToColorsPtr windowLevel = vtkImageMapToColorsPtr::New();
112  windowLevel->SetOutputFormatToRGBA();
113  windowLevel->SetInputConnection(input->GetOutputPort());
114  windowLevel->SetLookupTable(lut);
115  mRedirecter->SetInputConnection(windowLevel->GetOutputPort());
116  }
117  }
118  else // no image
119  {
120  mRedirecter->SetInputData(mDummyImage);
121  }
122 
123  mRedirecter->Update();
124 }
125 
127 {
128  return mRedirecter;
129 }
130 
132 {
133  return mRedirecter->GetOutput();
134 }
135 
140 
141 
143 {
144  mMatrixAxes = vtkMatrix4x4Ptr::New();
145 
146  mReslicer = vtkImageReslicePtr::New();
147  mReslicer->SetInterpolationModeToLinear();
148  mReslicer->SetOutputDimensionality(2);
149  mReslicer->SetResliceAxes(mMatrixAxes);
150  //mReslicer->SetAutoCropOutput(false); //faster update rate
151  mReslicer->AutoCropOutputOn(); // fix used in 2.0.9, but slower update rate
152 
153  mImageWithLUTProxy.reset(new ApplyLUTToImage2DProxy());
154 
155  mRedirecter = vtkImageChangeInformationPtr::New();
156 }
157 
159 {
160 }
161 
162 void SlicedImageProxy::setOutputFormat(Vector3D origin, Eigen::Array3i dim, Vector3D spacing)
163 {
164  mReslicer->SetOutputOrigin(origin.data());
165  mReslicer->SetOutputExtent(0, dim[0], 0, dim[1], 0, 0);
166  // this looks like the correct way, but gives incorrect output (the way it is used)
167  // TODO investigate
168 // mReslicer->SetOutputExtent(0, dim[0]-1, 0, dim[1]-1, 0, 0);
169  mReslicer->SetOutputSpacing(spacing.data());
170 }
171 
173 {
174  if (mSlicer)
175  {
176  disconnect(mSlicer.get(), SIGNAL(transformChanged(Transform3D)), this, SLOT(transformChangedSlot()));
177  }
178  mSlicer = slicer;
179  if (mSlicer)
180  {
181  connect(mSlicer.get(), SIGNAL(transformChanged(Transform3D)), this, SLOT(transformChangedSlot()));
182  update();
183  }
184 }
185 
186 void SlicedImageProxy::transferFunctionsChangedSlot()
187 {
188  mReslicer->SetInputData(mImage->getBaseVtkImageData());
189  mReslicer->SetBackgroundLevel(mImage->getMin());
190  mImageWithLUTProxy->setInput(mRedirecter, mImage->getLookupTable2D()->getOutputLookupTable());
191 }
192 
193 void SlicedImageProxy::updateRedirecterSlot()
194 {
195  mRedirecter->SetInputConnection(mReslicer->GetOutputPort());
196  update();
197 }
198 
200 {
201  if (mImage)
202  {
203  disconnect(mImage.get(), SIGNAL(transferFunctionsChanged()), this, SLOT(transferFunctionsChangedSlot()));
204  disconnect(mImage.get(), SIGNAL(transformChanged()), this, SLOT(transformChangedSlot()));
205  disconnect(mImage.get(), SIGNAL(vtkImageDataChanged()), this, SLOT(updateRedirecterSlot()));
206  }
207 
208  mImage = image;
209 
210  if (mImage)
211  {
212  connect(mImage.get(), SIGNAL(transferFunctionsChanged()), this, SLOT(transferFunctionsChangedSlot()));
213  connect(mImage.get(), SIGNAL(transformChanged()), this, SLOT(transformChangedSlot()));
214  connect(mImage.get(), SIGNAL(vtkImageDataChanged()), this, SLOT(updateRedirecterSlot()));
215  }
216 
217  if (mImage)
218  {
219  this->updateRedirecterSlot();
220  this->transferFunctionsChangedSlot();
221  }
222  else // no image
223  {
224  mImageWithLUTProxy->setInput(vtkImageAlgorithmPtr(), vtkLookupTablePtr());
225  }
226 
227  this->update();
228 }
229 
231 {
232  return mImage;
233 }
234 
236 {
237  return mImageWithLUTProxy->getOutput();
238 }
239 
241 {
242  return mImageWithLUTProxy->getOutputPort();
243 }
244 
246 {
247  return mRedirecter->GetOutput();
248 }
249 
251 {
252  return mRedirecter;
253 }
254 
256 {
257  if (!mImage)
258  return;
259 
260  Transform3D rMs = Transform3D::Identity();
261  if (mSlicer)
262  rMs = mSlicer->get_sMr().inv();
263  Transform3D iMr = mImage->get_rMd().inv();
264  Transform3D M = iMr * rMs;
265 
266  mMatrixAxes->DeepCopy(M.getVtkMatrix());
267 }
268 
269 void SlicedImageProxy::transformChangedSlot()
270 {
271  update();
272 }
273 
274 void SlicedImageProxy::printSelf(std::ostream & os, Indent indent)
275 {
276  //os << indent << "PlaneType: " << mType << std::endl;
277  os << indent << "mImage: " << (mImage ? mImage->getUid() : "NULL") << std::endl;
278  os << indent << "mSlicer: " << (mSlicer ? mSlicer.get() : 0) << std::endl;
279  if (mSlicer)
280  {
281  mSlicer->printSelf(os, indent.stepDown());
282  }
283  os << indent << "mReslicer->GetOutput(): " << mReslicer->GetOutput() << std::endl;
284  os << indent << "mReslicer->GetInput() : " << mReslicer->GetInput() << std::endl;
285  Transform3D test(mReslicer->GetResliceAxes());
286  os << indent << "resliceaxes: " << std::endl;
287  test.put(os, indent.getIndent() + 3);
288  os << std::endl;
289  //os << indent << "rMs_debug: " << std::endl;
290  //rMs_debug.put(os, indent.getIndent()+3);
291 
292 }
293 
294 //---------------------------------------------------------
295 }//end namespace
296 //---------------------------------------------------------
static vtkImageDataPtr createDummyImageData(int axisSize, int maxVoxelValue)
Create a moc object of vtkImageData.
Definition: cxImage.cpp:829
int getIndent() const
Definition: cxIndent.cpp:44
vtkImageDataPtr getOutput()
output 2D sliced image
Transform3D Transform3D
Transform3D is a representation of an affine 3D transform.
boost::shared_ptr< class Image > ImagePtr
Definition: cxDicomWidget.h:48
void setOutputFormat(Vector3D origin, Eigen::Array3i dim, Vector3D spacing)
vtkSmartPointer< vtkImageChangeInformation > vtkImageChangeInformationPtr
Definition: cxImage.cpp:67
vtkImageAlgorithmPtr getOutputPort()
output 2D sliced image
void printSelf(std::ostream &os, Indent indent)
vtkImageAlgorithmPtr getOutputPortWithoutLUT()
vtkSmartPointer< class vtkImageMapToColors > vtkImageMapToColorsPtr
ImagePtr getImage() const
vtkSmartPointer< class vtkImageAlgorithm > vtkImageAlgorithmPtr
vtkSmartPointer< class vtkImageAppendComponents > vtkImageAppendComponentsPtr
void setInput(vtkImageAlgorithmPtr input, vtkLookupTablePtr lut)
Formatting class for debug printing of the ssc library.
Definition: cxIndent.h:49
void setSliceProxy(SliceProxyInterfacePtr slicer)
vtkSmartPointer< class vtkLookupTable > vtkLookupTablePtr
void setImage(ImagePtr image)
Indent stepDown() const
Definition: cxIndent.cpp:48
Eigen::Vector3d Vector3D
Vector3D is a representation of a point or vector in 3D.
Definition: cxVector3D.h:63
vtkImageAlgorithmPtr getOutputPort()
output 2D sliced image
vtkImageDataPtr getOutputWithoutLUT()
vtkSmartPointer< class vtkImageData > vtkImageDataPtr
boost::shared_ptr< class SliceProxyInterface > SliceProxyInterfacePtr
Helper class for applying sscLUT2D to an image.
void setInputData(vtkImageDataPtr image, vtkLookupTablePtr lut)