1 /*=========================================================================
2 Program: vv http://www.creatis.insa-lyon.fr/rio/vv
5 - University of LYON http://www.universite-lyon.fr/
6 - Léon Bérard cancer center http://oncora1.lyon.fnclcc.fr
7 - CREATIS CNRS laboratory http://www.creatis.insa-lyon.fr
9 This software is distributed WITHOUT ANY WARRANTY; without even
10 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
11 PURPOSE. See the copyright notices for more information.
13 It is distributed under dual licence
15 - BSD See included LICENSE.txt file
16 - CeCILL-B http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
17 ======================================================================-====*/
19 #include "vvImageContour.h"
21 #include <vtkImageActor.h>
22 #include <vtkCamera.h>
23 #include <vtkRenderer.h>
24 #include <vtkMarchingSquares.h>
25 #include <vtkImageClip.h>
26 #include <vtkImageData.h>
27 #include <vtkPolyDataMapper.h>
28 #include <vtkProperty.h>
30 //------------------------------------------------------------------------------
31 vvImageContour::vvImageContour()
35 mHiddenImageIsUsed = false;
36 mDisplayModeIsPreserveMemory = true;
38 //------------------------------------------------------------------------------
41 //------------------------------------------------------------------------------
42 vvImageContour::~vvImageContour()
44 for (unsigned int i = 0; i < mSlicer->GetImage()->GetVTKImages().size(); i++) {
45 mSlicer->GetRenderer()->RemoveActor(mSquaresActorList[i]);
47 mSquaresActorList.clear();
51 //------------------------------------------------------------------------------
54 //------------------------------------------------------------------------------
55 void vvImageContour::setSlicer(vvSlicer * slicer)
58 // Create an actor for each time slice
59 for (unsigned int numImage = 0; numImage < mSlicer->GetImage()->GetVTKImages().size(); numImage++) {
60 vtkImageClip * mClipper = vtkImageClip::New();
61 vtkMarchingSquares * mSquares = vtkMarchingSquares::New();
62 vtkActor * mSquaresActor = vtkActor::New();
63 createNewActor(&mSquaresActor, &mSquares, &mClipper, numImage);
64 mSquaresActorList.push_back(mSquaresActor);
65 mSquaresList.push_back(mSquares);
66 mClipperList.push_back(mClipper);
69 //------------------------------------------------------------------------------
72 //------------------------------------------------------------------------------
73 void vvImageContour::setImage(vvImage::Pointer image)
75 for (unsigned int numImage = 0; numImage < image->GetVTKImages().size(); numImage++) {
76 mClipperList[numImage]->SetInput(image->GetVTKImages()[numImage]);
78 mHiddenImageIsUsed = true;
81 //------------------------------------------------------------------------------
84 //------------------------------------------------------------------------------
85 void vvImageContour::setPreserveMemoryModeEnabled(bool b)
87 // FastCache mode work only if threshold is always the same
88 if (mDisplayModeIsPreserveMemory == b) return;
89 mDisplayModeIsPreserveMemory = b;
92 initializeCacheMode();
94 for(unsigned int d=0; d<mListOfCachedContourActors.size(); d++)
95 mListOfCachedContourActors[d].clear();
96 mListOfCachedContourActors.clear();
100 //------------------------------------------------------------------------------
103 //------------------------------------------------------------------------------
104 void vvImageContour::setColor(double r, double g, double b)
106 for(unsigned int i=0; i<mSquaresActorList.size(); i++) {
107 mSquaresActorList[i]->GetProperty()->SetColor(r,g,b);
110 //------------------------------------------------------------------------------
113 //------------------------------------------------------------------------------
114 void vvImageContour::SetLineWidth(double w)
116 for(unsigned int i=0; i<mSquaresActorList.size(); i++) {
117 mSquaresActorList[i]->GetProperty()->SetLineWidth(w);
120 //------------------------------------------------------------------------------
123 //------------------------------------------------------------------------------
124 void vvImageContour::hideActors()
126 if (!mSlicer) return;
127 mSlice = mSlicer->GetSlice();
128 for(unsigned int i=0; i<mSquaresActorList.size(); i++) {
129 mSquaresActorList[i]->VisibilityOff();
132 //------------------------------------------------------------------------------
135 //------------------------------------------------------------------------------
136 void vvImageContour::showActors()
138 if (!mSlicer) return;
139 mSlice = mSlicer->GetSlice();
140 mTSlice = mSlicer->GetTSlice();
141 // for(unsigned int i=0; i<mSquaresActorList.size(); i++) {
142 mSquaresActorList[mTSlice]->VisibilityOn();
146 //------------------------------------------------------------------------------
149 //------------------------------------------------------------------------------
150 void vvImageContour::update(double value)
153 if (!mSlicer) return;
154 if (mPreviousValue == value) {
155 if (mPreviousSlice == mSlicer->GetSlice()) {
156 if (mPreviousTSlice == mSlicer->GetTSlice()) {
157 // DD("vvImageContour::update nothing");
158 return; // Nothing to do
163 // Get current threshold value
167 mSlice = mSlicer->GetSlice();
168 // DD(mDisplayModeIsPreserveMemory);
169 if (mDisplayModeIsPreserveMemory) {
170 updateWithPreserveMemoryMode();
172 updateWithFastCacheMode();
176 mSlicer->Render(); //DS ---> REMOVE ??
179 mPreviousTSlice = mSlicer->GetTSlice();
180 mPreviousSlice = mSlicer->GetSlice();
181 mPreviousValue = value;
183 //------------------------------------------------------------------------------
186 //------------------------------------------------------------------------------
187 void vvImageContour::updateWithPreserveMemoryMode()
189 // Only change actor visibility if tslice change
192 int mPreviousTslice = mTSlice;
194 // if (mTSlice != mSlicer->GetTSlice()) {
195 // if (mTSlice != -1) mTsliceToSetOff = mTSlice;
196 // mSquaresActorList[mTSlice]->VisibilityOff();
197 mTSlice = mSlicer->GetTSlice();
201 vtkMarchingSquares * mSquares = mSquaresList[mTSlice];
202 vtkImageClip * mClipper = mClipperList[mTSlice];
203 vtkActor * mSquaresActor = mSquaresActorList[mTSlice];
204 int orientation = computeCurrentOrientation();
208 //DD(mPreviousTslice);
209 updateActor(mSquaresActor, mSquares, mClipper, mValue, orientation, mSlice);
210 mSquaresActorList[mTSlice]->VisibilityOn();
211 if (mPreviousTslice != mTSlice) {
212 if (mPreviousTslice != -1) mSquaresActorList[mPreviousTslice]->VisibilityOff();
215 //------------------------------------------------------------------------------
218 //------------------------------------------------------------------------------
219 void vvImageContour::initializeCacheMode()
221 mPreviousSlice = mPreviousOrientation = 0;
222 int dim = mSlicer->GetImage()->GetNumberOfDimensions();
224 mListOfCachedContourActors.resize(dim);
225 for(int d=0; d<dim; d++) {
226 int size = mSlicer->GetImage()->GetSize()[d];
228 mListOfCachedContourActors[d].resize(size);
229 for(int j=0; j<size; j++) {
230 mListOfCachedContourActors[d][j] = NULL;
234 //------------------------------------------------------------------------------
237 //------------------------------------------------------------------------------
238 int vvImageContour::computeCurrentOrientation()
240 // Get extent of image in the slicer
241 int* extent = mSlicer->GetImageActor()->GetDisplayExtent();
243 // Compute orientation
245 for (orientation = 0; orientation < 6; orientation = orientation+2) {
246 if (extent[orientation] == extent[orientation+1]) {
250 orientation = orientation/2;
253 //------------------------------------------------------------------------------
256 //------------------------------------------------------------------------------
257 void vvImageContour::updateWithFastCacheMode()
259 // Compute orientation
260 int orientation = computeCurrentOrientation();
262 if ((mPreviousSlice == mSlice) && (mPreviousOrientation == orientation)) return;
264 vtkActor * actor = mListOfCachedContourActors[orientation][mSlice];
266 mListOfCachedContourActors[orientation][mSlice]->VisibilityOn();
268 vtkImageClip * mClipper;
269 vtkMarchingSquares * mSquares;
270 vtkActor * mSquaresActor;
271 createNewActor(&mSquaresActor, &mSquares, &mClipper, 0);
272 updateActor(mSquaresActor, mSquares, mClipper, mValue, orientation, mSlice);
273 mListOfCachedContourActors[orientation][mSlice] = mSquaresActor;
274 mSquaresActor->VisibilityOn();
277 if (mListOfCachedContourActors[mPreviousOrientation][mPreviousSlice] != NULL)
278 mListOfCachedContourActors[mPreviousOrientation][mPreviousSlice]->VisibilityOff();
279 mPreviousSlice = mSlice;
280 mPreviousOrientation = orientation;
282 //------------------------------------------------------------------------------
285 //------------------------------------------------------------------------------
286 void vvImageContour::createNewActor(vtkActor ** actor,
287 vtkMarchingSquares ** squares,
288 vtkImageClip ** clipper,
291 vtkActor * mSquaresActor = (*actor = vtkActor::New());
292 vtkImageClip * mClipper = (*clipper = vtkImageClip::New());
293 vtkMarchingSquares * mSquares = (*squares = vtkMarchingSquares::New());
294 vtkPolyDataMapper * mSquaresMapper = vtkPolyDataMapper::New();
296 if (mHiddenImageIsUsed)
297 mClipper->SetInput(mHiddenImage->GetVTKImages()[0]);
299 mClipper->SetInput(mSlicer->GetImage()->GetVTKImages()[numImage]);
300 mSquares->SetInput(mClipper->GetOutput());
301 mSquaresMapper->SetInput(mSquares->GetOutput());
302 mSquaresMapper->ScalarVisibilityOff();
303 mSquaresActor->SetMapper(mSquaresMapper);
304 mSquaresActor->GetProperty()->SetColor(1.0,0,0);
305 mSquaresActor->SetPickable(0);
306 mSquaresActor->VisibilityOff();
307 mSlicer->GetRenderer()->AddActor(mSquaresActor);
309 //------------------------------------------------------------------------------
312 //------------------------------------------------------------------------------
313 void vvImageContour::updateActor(vtkActor * actor,
314 vtkMarchingSquares * squares,
315 vtkImageClip * clipper,
316 double threshold, int orientation, int slice)
319 // Set parameter for the MarchigSquare
320 squares->SetValue(0, threshold);
323 int* extent = mSlicer->GetImageActor()->GetDisplayExtent();
325 // Change extent if needed
327 if (mHiddenImageIsUsed) {
328 extent2 = new int[6];
330 extent3 = mHiddenImage->GetFirstVTKImageData()->GetExtent();
331 for(int i=0; i<6; i++) extent2[i] = extent3[i];
333 double s = (double)extent[orientation*2]*(double)mSlicer->GetImage()->GetSpacing()[orientation]; // in mm
334 s = s+mSlicer->GetImage()->GetOrigin()[orientation]; // from origin
335 s = s-mHiddenImage->GetFirstVTKImageData()->GetOrigin()[orientation]; // from corner second image
336 s = s/mHiddenImage->GetFirstVTKImageData()->GetSpacing()[orientation]; // in voxel
339 extent2[orientation*2] = extent2[orientation*2+1] = (int)floor(s);
341 extent2[orientation*2] = (int)floor(s);
342 extent2[orientation*2+1] = extent2[orientation*2];
347 clipper->SetOutputWholeExtent(extent2[0],extent2[1],extent2[2],
348 extent2[3],extent2[4],extent2[5]);
350 if (mHiddenImage) delete extent2;
352 // Move the actor to be visible
356 //TO SIMPLiFY :!!!!!!!!! == ???????
357 // actor->SetPosition(-1,-1,-1);
359 switch (orientation) {
361 // DD(mSlicer->GetRenderer()->GetActiveCamera()->GetPosition()[0]);
362 if (mSlicer->GetRenderer()->GetActiveCamera()->GetPosition()[0] > slice) {
363 actor->SetPosition(1,0,0);
365 actor->SetPosition(-1,0,0);
369 // DD(mSlicer->GetRenderer()->GetActiveCamera()->GetPosition()[1]);
370 if (mSlicer->GetRenderer()->GetActiveCamera()->GetPosition()[1] > slice) {
371 actor->SetPosition(0,1,0);
373 actor->SetPosition(0,-1,0);
377 // DD(mSlicer->GetRenderer()->GetActiveCamera()->GetPosition()[2]);
378 if (mSlicer->GetRenderer()->GetActiveCamera()->GetPosition()[2] > slice) {
380 actor->SetPosition(0,0,1);
383 actor->SetPosition(0,0,-1);
390 //------------------------------------------------------------------------------