vv/vvSlicer.cxx

   1 /*=========================================================================
   2   Program:   vv                     http://www.creatis.insa-lyon.fr/rio/vv
   3
   4   Authors belong to:
   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
   8
   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.
  12
  13   It is distributed under dual licence
  14
  15   - BSD        See included LICENSE.txt file
  16   - CeCILL-B   http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
  17   ======================================================================-====*/
  18
  19 #include "vvSlicer.h"
  20 #include "vvImage.h"
  21 #include "vvSlicerManagerCommand.h"
  22 #include "vvGlyphSource.h"
  23 #include "vvGlyph2D.h"
  24 #include "vvImageMapToWLColors.h"
  25
  26 #include <vtkTextProperty.h>
  27 #include <vtkTextActor.h>
  28 #include <vtkTextSource.h>
  29 #include <vtkActor2D.h>
  30 #include <vtkCursor2D.h>
  31 #include <vtkPolyDataMapper2D.h>
  32 #include <vtkProperty2D.h>
  33 #include <vtkCornerAnnotation.h>
  34 #include <vtkImageMapToWindowLevelColors.h>
  35 #include <vtkImageData.h>
  36 #include <vtkImageActor.h>
  37 #include <vvBlendImageActor.h>
  38 #include <vtkToolkits.h>
  39 #include <vtkObjectFactory.h>
  40 #include <vtkPointData.h>
  41 #include <vtkDataArray.h>
  42 #include <vtkFloatArray.h>
  43 #include <vtkClipPolyData.h>
  44 #include <vtkGlyph3D.h>
  45 #include <vtkMath.h>
  46 #include <vtkCursor3D.h>
  47 #include <vtkProperty.h>
  48 #include <vtkLight.h>
  49 #include <vtkLightCollection.h>
  50 #include <vtkScalarBarActor.h>
  51 #include <vtkLookupTable.h>
  52
  53 #include <vtkRenderer.h>
  54 #include <vtkRendererCollection.h>
  55 #include <vtkRenderWindow.h>
  56 #include <vtkRenderWindowInteractor.h>
  57 #include <vtkCamera.h>
  58 #include <vtkCallbackCommand.h>
  59 #include <vtkCommand.h>
  60 #include <vtkPolyDataMapper.h>
  61 #include <vtkBox.h>
  62
  63 #include <vtkExtractVOI.h>
  64 #include <vtkSphereSource.h>
  65 #include <vtkCutter.h>
  66 #include <vtkAssignAttribute.h>
  67 #include <vtkImageAccumulate.h>
  68 #include <vtkImageReslice.h>
  69
  70 vtkCxxRevisionMacro(vvSlicer, "DummyRevision");
  71 vtkStandardNewMacro(vvSlicer);
  72
  73 //------------------------------------------------------------------------------
  74 vvSlicer::vvSlicer()
  75 {
  76   this->UnInstallPipeline();
  77   mImage = NULL;
  78   mCurrentTSlice = 0;
  79   mUseReducedExtent = false;
  80
  81   mCurrent[0] = -VTK_DOUBLE_MAX;
  82   mCurrent[1] = -VTK_DOUBLE_MAX;
  83   mCurrent[2] = -VTK_DOUBLE_MAX;
  84
  85   mCursor[0] = -VTK_DOUBLE_MAX;
  86   mCursor[1] = -VTK_DOUBLE_MAX;
  87   mCursor[2] = -VTK_DOUBLE_MAX;
  88   mCursor[3] = -VTK_DOUBLE_MAX;
  89
  90   mSubSampling = 5;
  91   mScale = 1;
  92   mVFLog = 0;
  93   mVFWidth = 1;
  94   mVFColor[0] = 0;
  95   mVFColor[1] = 1;
  96   mVFColor[2] = 0;
  97
  98   std::string text = "F1 = sagital; F2 = coronal; F3 = axial\n";
  99   text += "F5 = horizontal flip; F6 = vertical flip\n\n";
 100   text += "0,1,2,3,4,5 : preset windowing\n";
 101   text += "6,7,8,9 : preset colormap\n";
 102   text += "z : local windowing\n";
 103   text += "r : reset view\n";
 104   text += "l : reload image\n";
 105   text += "f : fly to mouse position\n";
 106   text += "g : go to cross hair position\n\n";
 107   text += "Up,down : change slice\n";
 108   text += "Left,right : change tenporal slice\n\n";
 109   text += "Scrollbar (or w/x) : zoom in/out\n";
 110   text += "left button : synchronize all views\n";
 111   text += "middle button : grab image\n";
 112   text += "right button : change windowing\n";
 113
 114   crossCursor = vtkSmartPointer<vtkCursor2D>::New();
 115   crossCursor->AllOff();
 116   crossCursor->AxesOn();
 117   crossCursor->SetTranslationMode(1);
 118   crossCursor->SetRadius(2);
 119
 120   pdm = vtkSmartPointer<vtkPolyDataMapper2D>::New();
 121   pdm->SetInput(crossCursor->GetOutput());
 122
 123   pdmA = vtkSmartPointer<vtkActor2D>::New();
 124   pdmA->SetMapper(pdm);
 125   pdmA->GetProperty()->SetColor(255,10,212);
 126   pdmA->SetVisibility(0);
 127   pdmA->SetPickable(0);
 128
 129   ca = vtkSmartPointer<vtkCornerAnnotation>::New();
 130   ca->GetTextProperty()->SetColor(255,10,212);
 131   ca->SetVisibility(1);
 132   mFileName = "";
 133
 134   mVF = NULL;
 135   mOverlay = NULL;
 136   mFusion = NULL;
 137   mLandmarks = NULL;
 138
 139   legend = vtkSmartPointer<vtkScalarBarActor>::New();
 140   //legend->SetTitle("test!");
 141   legend->SetPosition(0.82,0.18);
 142   legend->SetWidth(0.1);
 143   legend->SetVisibility(0);
 144   legend->SetLabelFormat("%.1f");
 145   this->GetRenderer()->AddActor(legend);
 146
 147   this->WindowLevel->Delete();
 148   this->WindowLevel = vvImageMapToWLColors::New();
 149
 150   this->InstallPipeline();
 151 }
 152 //------------------------------------------------------------------------------
 153
 154
 155 //------------------------------------------------------------------------------
 156 vtkImageMapToWindowLevelColors* vvSlicer::GetOverlayMapper()
 157 {
 158   return mOverlayMapper.GetPointer();
 159 }
 160 //------------------------------------------------------------------------------
 161
 162
 163 //------------------------------------------------------------------------------
 164 vvBlendImageActor* vvSlicer::GetOverlayActor()
 165 {
 166   return mOverlayActor.GetPointer();
 167 }
 168 //------------------------------------------------------------------------------
 169
 170
 171 //------------------------------------------------------------------------------
 172 vtkImageMapToWindowLevelColors* vvSlicer::GetFusionMapper()
 173 {
 174   return mFusionMapper.GetPointer();
 175 }
 176 //------------------------------------------------------------------------------
 177
 178
 179 //------------------------------------------------------------------------------
 180 vtkImageActor* vvSlicer::GetFusionActor()
 181 {
 182   return mFusionActor.GetPointer();
 183 }
 184 //------------------------------------------------------------------------------
 185
 186
 187 //------------------------------------------------------------------------------
 188 vtkActor* vvSlicer::GetVFActor()
 189 {
 190   return mVFActor.GetPointer();
 191 }
 192 //------------------------------------------------------------------------------
 193
 194
 195 //------------------------------------------------------------------------------
 196 vtkCornerAnnotation* vvSlicer::GetAnnotation()
 197 {
 198   return ca.GetPointer();
 199 }
 200 //------------------------------------------------------------------------------
 201
 202
 203 //------------------------------------------------------------------------------
 204 void vvSlicer::EnableReducedExtent(bool b)
 205 {
 206   mUseReducedExtent = b;
 207 }
 208 //------------------------------------------------------------------------------
 209
 210
 211 //------------------------------------------------------------------------------
 212 void vvSlicer::SetReducedExtent(int * ext)
 213 {
 214   mReducedExtent = ext;
 215 }
 216 //------------------------------------------------------------------------------
 217
 218
 219 //------------------------------------------------------------------------------
 220 void vvSlicer::AddContour(vvMesh::Pointer contour,bool propagate)
 221 {
 222
 223   mSurfaceCutActors.push_back(new vvMeshActor());
 224   if (propagate)
 225     mSurfaceCutActors.back()->Init(contour,mCurrentTSlice,mVF);
 226   else
 227     mSurfaceCutActors.back()->Init(contour,mCurrentTSlice);
 228   mSurfaceCutActors.back()->SetSlicingOrientation(SliceOrientation);
 229   this->GetRenderer()->AddActor(mSurfaceCutActors.back()->GetActor());
 230
 231   SetContourSlice();
 232 }
 233 //------------------------------------------------------------------------------
 234
 235
 236 //------------------------------------------------------------------------------
 237 void vvSlicer::ToggleContourSuperposition()
 238 {
 239   for (std::vector<vvMeshActor*>::iterator i=mSurfaceCutActors.begin();
 240        i!=mSurfaceCutActors.end(); i++)
 241     (*i)->ToggleSuperposition();
 242 }
 243 //------------------------------------------------------------------------------
 244
 245
 246 //------------------------------------------------------------------------------
 247 void vvSlicer::SetCursorColor(int r,int g, int b)
 248 {
 249   pdmA->GetProperty()->SetColor(r,g,b);
 250 }
 251 //------------------------------------------------------------------------------
 252
 253
 254 //------------------------------------------------------------------------------
 255 void vvSlicer::SetCursorVisibility(bool s)
 256 {
 257   pdmA->SetVisibility(s);
 258 }
 259 //------------------------------------------------------------------------------
 260
 261
 262 //------------------------------------------------------------------------------
 263 bool vvSlicer::GetCursorVisibility()
 264 {
 265   return pdmA->GetVisibility();
 266 }
 267 //------------------------------------------------------------------------------
 268
 269
 270 //------------------------------------------------------------------------------
 271 void vvSlicer::SetCornerAnnotationVisibility(bool s)
 272 {
 273   ca->SetVisibility(s);
 274 }
 275 //------------------------------------------------------------------------------
 276
 277
 278 //------------------------------------------------------------------------------
 279 bool vvSlicer::GetCornerAnnotationVisibility()
 280 {
 281   return ca->GetVisibility();
 282 }
 283 //------------------------------------------------------------------------------
 284
 285
 286 //------------------------------------------------------------------------------
 287 vvSlicer::~vvSlicer()
 288 {
 289   for (std::vector<vvMeshActor*>::iterator i=mSurfaceCutActors.begin();
 290        i!=mSurfaceCutActors.end(); i++)
 291     delete (*i);
 292 }
 293 //------------------------------------------------------------------------------
 294
 295
 296 //------------------------------------------------------------------------------
 297 void vvSlicer::SetCurrentPosition(double x, double y, double z, int t)
 298 {
 299   mCurrent[0] = x;
 300   mCurrent[1] = y;
 301   mCurrent[2] = z;
 302   mCurrentTSlice = t;
 303 }
 304 //------------------------------------------------------------------------------
 305
 306
 307 //------------------------------------------------------------------------------
 308 void vvSlicer::SetImage(vvImage::Pointer image)
 309 {
 310   if (image->GetVTKImages().size()) {
 311     mImage = image;
 312     this->Superclass::SetInput(image->GetTransformedVTKImages()[0]);
 313
 314     int extent[6];
 315     this->GetInput()->GetWholeExtent(extent);
 316
 317     // Prevent crash when reload -> change slice if outside extent
 318     if (Slice < extent[SliceOrientation*2] || Slice>=extent[SliceOrientation*2+1]) {
 319       Slice = (extent[SliceOrientation*2+1]-extent[SliceOrientation*2])/2.0;
 320     }
 321
 322     // Make sure that the required part image has been computed
 323     extent[SliceOrientation*2] = Slice;
 324     extent[SliceOrientation*2+1] = Slice;
 325     image->GetTransformedVTKImages()[0]->SetUpdateExtent(extent);
 326     image->GetTransformedVTKImages()[0]->Update();
 327
 328     this->UpdateDisplayExtent();
 329
 330     mCurrentTSlice = 0;
 331     ca->SetText(0,mFileName.c_str());
 332   }
 333 }
 334 //------------------------------------------------------------------------------
 335
 336
 337 //------------------------------------------------------------------------------
 338 void vvSlicer::SetOverlay(vvImage::Pointer overlay)
 339 {
 340   if (overlay->GetVTKImages().size()) {
 341     mOverlay = overlay;
 342
 343     if (!mOverlayMapper)
 344       mOverlayMapper = vtkSmartPointer<vtkImageMapToWindowLevelColors>::New();
 345     mOverlayMapper->SetInput(overlay->GetTransformedVTKImages()[0]);
 346
 347     if (!mOverlayActor) {
 348       mOverlayActor = vtkSmartPointer<vvBlendImageActor>::New();
 349       mOverlayActor->SetInput(mOverlayMapper->GetOutput());
 350       mOverlayActor->SetPickable(0);
 351       mOverlayActor->SetVisibility(false);
 352       mOverlayActor->SetOpacity(0.5);
 353       this->UpdateDisplayExtent();
 354     }
 355
 356     //stupid but necessary : the Overlay need to be rendered before fusion
 357     if (mFusionActor) {
 358       this->GetRenderer()->RemoveActor(mFusionActor);
 359       this->GetRenderer()->AddActor(mOverlayActor);
 360       this->GetRenderer()->AddActor(mFusionActor);
 361     } else
 362       this->GetRenderer()->AddActor(mOverlayActor);
 363
 364     //Synchronize slice
 365     SetTSlice(mCurrentTSlice);
 366   }
 367 }
 368 //------------------------------------------------------------------------------
 369
 370
 371 //------------------------------------------------------------------------------
 372 void vvSlicer::SetFusion(vvImage::Pointer fusion)
 373 {
 374   if (fusion->GetVTKImages().size()) {
 375     mFusion = fusion;
 376
 377     if (!mFusionMapper)
 378       mFusionMapper = vtkSmartPointer<vtkImageMapToWindowLevelColors>::New();
 379     mFusionMapper->SetInput(fusion->GetTransformedVTKImages()[0]);
 380
 381     if (!mFusionActor) {
 382       mFusionActor = vtkSmartPointer<vtkImageActor>::New();
 383       mFusionActor->SetInput(mFusionMapper->GetOutput());
 384       mFusionActor->SetPickable(0);
 385       mFusionActor->SetVisibility(false);
 386       mFusionActor->SetOpacity(0.7);
 387       this->UpdateDisplayExtent();
 388       this->GetRenderer()->AddActor(mFusionActor);
 389     }
 390
 391     //Synchronize slice
 392     SetTSlice(mCurrentTSlice);
 393   }
 394 }
 395 //------------------------------------------------------------------------------
 396
 397
 398 //------------------------------------------------------------------------------
 399 void vvSlicer::SetActorVisibility(const std::string& actor_type, int overlay_index ,bool vis)
 400 {
 401   if (actor_type == "vector") {
 402     this->mVFActor->SetVisibility(vis);
 403   }
 404   if (actor_type == "overlay") {
 405     this->mOverlayActor->SetVisibility(vis);
 406   }
 407   if (actor_type == "fusion") {
 408     this->mFusionActor->SetVisibility(vis);
 409   }
 410   if (actor_type == "contour")
 411     this->mSurfaceCutActors[overlay_index]->GetActor()->SetVisibility(vis);
 412   UpdateDisplayExtent();
 413 }
 414 //------------------------------------------------------------------------------
 415
 416
 417 //------------------------------------------------------------------------------
 418 void vvSlicer::SetVF(vvImage::Pointer vf)
 419 {
 420   if (vf->GetVTKImages().size()) {
 421     mVF = vf;
 422
 423     if (!mAAFilter) {
 424       mAAFilter= vtkSmartPointer<vtkAssignAttribute>::New();
 425       mVOIFilter = vtkSmartPointer<vtkExtractVOI>::New();
 426       mVOIFilter->SetSampleRate(mSubSampling,mSubSampling,mSubSampling);
 427     }
 428     mVOIFilter->SetInput(vf->GetTransformedVTKImages()[0]);
 429     mAAFilter->SetInput(mVOIFilter->GetOutput());
 430     ///This tells VTK to use the scalar (pixel) data of the image to draw the little arrows
 431     mAAFilter->Assign(vtkDataSetAttributes::SCALARS, vtkDataSetAttributes::VECTORS, vtkAssignAttribute::POINT_DATA);
 432
 433     if (!mArrow)
 434       mArrow = vtkSmartPointer<vvGlyphSource>::New();
 435     mArrow->SetGlyphTypeToSpecificArrow();
 436     mArrow->SetScale(mScale);
 437     mArrow->FilledOff();
 438
 439     // Glyph the gradient vector (with arrows)
 440     if (!mGlyphFilter)
 441       mGlyphFilter = vtkSmartPointer<vvGlyph2D>::New();
 442     mGlyphFilter->SetInput(mAAFilter->GetOutput());
 443     mGlyphFilter->SetSource(mArrow->GetOutput());
 444     mGlyphFilter->ScalingOn();
 445     mGlyphFilter->SetScaleModeToScaleByVector();
 446     mGlyphFilter->OrientOn();
 447     mGlyphFilter->SetVectorModeToUseVector();
 448     mGlyphFilter->SetColorModeToColorByVector();
 449
 450     if (!mVFColorLUT)
 451       mVFColorLUT = vtkSmartPointer<vtkLookupTable>::New();
 452
 453     double mVFColorHSV[3];
 454     vtkMath::RGBToHSV(mVFColor, mVFColorHSV);
 455     mVFColorLUT->SetHueRange(mVFColorHSV[0], mVFColorHSV[0]);
 456     mVFColorLUT->SetSaturationRange(mVFColorHSV[1],mVFColorHSV[1]);
 457     mVFColorLUT->SetValueRange(mVFColorHSV[2], mVFColorHSV[2]);
 458
 459     if (!mVFMapper)
 460       mVFMapper = vtkSmartPointer<vtkPolyDataMapper>::New();
 461     mVFMapper->SetInput(mGlyphFilter->GetOutput());
 462     mVFMapper->ImmediateModeRenderingOn();
 463     mVFMapper->SetLookupTable(mVFColorLUT);
 464
 465     if (!mVFActor)
 466       mVFActor = vtkSmartPointer<vtkActor>::New();
 467     mVFActor->SetMapper(mVFMapper);
 468     mVFActor->SetPickable(0);
 469     mVFActor->GetProperty()->SetLineWidth(mVFWidth);
 470     this->UpdateDisplayExtent();
 471     this->GetRenderer()->AddActor(mVFActor);
 472
 473     //Synchronize slice
 474     SetTSlice(mCurrentTSlice);
 475   }
 476 }
 477 //------------------------------------------------------------------------------
 478
 479
 480 //------------------------------------------------------------------------------
 481 void vvSlicer::SetLandmarks(vvLandmarks* landmarks)
 482 {
 483   mLandmarks = landmarks;
 484   if (landmarks) {
 485
 486     if (!mCross)
 487       mCross = vtkSmartPointer<vtkCursor3D>::New();
 488     mCross->SetFocalPoint(0.0,0.0,0.0);
 489     mCross->SetModelBounds(-10,10,-10,10,-10,10);
 490     mCross->AllOff();
 491     mCross->AxesOn();
 492
 493     if (!mLandGlyph)
 494       mLandGlyph = vtkSmartPointer<vtkGlyph3D>::New();
 495     mLandGlyph->SetSource(mCross->GetOutput());
 496     mLandGlyph->SetInput(landmarks->GetOutput());
 497     //mLandGlyph->SetIndexModeToScalar();
 498     mLandGlyph->SetRange(0,1);
 499     mLandGlyph->ScalingOff();
 500
 501     mLandGlyph->SetColorModeToColorByScalar();
 502
 503     if (!mClipBox)
 504       mClipBox = vtkSmartPointer<vtkBox>::New();
 505     if (!mLandClipper)
 506       mLandClipper = vtkSmartPointer<vtkClipPolyData>::New();
 507     mLandClipper->InsideOutOn();
 508     mLandClipper->SetInput(mLandGlyph->GetOutput());
 509     mLandClipper->SetClipFunction(mClipBox);
 510
 511     if (!mLandMapper)
 512       mLandMapper = vtkSmartPointer<vtkPolyDataMapper>::New();
 513     mLandMapper->SetInputConnection(mLandClipper->GetOutputPort());
 514     //mLandMapper->ScalarVisibilityOff();
 515
 516     if (!mLandActor)
 517       mLandActor = vtkSmartPointer<vtkActor>::New();
 518     mLandActor->SetMapper(mLandMapper);
 519     mLandActor->GetProperty()->SetColor(255,10,212);
 520     mLandActor->SetPickable(0);
 521     mLandActor->SetVisibility(true);
 522     this->UpdateDisplayExtent();
 523     this->GetRenderer()->AddActor(mLandActor);
 524   }
 525 }
 526 //------------------------------------------------------------------------------
 527
 528 //------------------------------------------------------------------------------
 529 //FIXME: this function leaks memory, we should fix it someday :)
 530 void vvSlicer::RemoveActor(const std::string& actor_type, int overlay_index)
 531 {
 532   if (actor_type == "vector") {
 533     Renderer->RemoveActor(mVFActor);
 534     mGlyphFilter=NULL;
 535     mVF = NULL;
 536     mArrow = NULL;
 537     mAAFilter=NULL;
 538     mVOIFilter = NULL;
 539     mVFMapper = NULL;
 540     mVFActor = NULL;
 541   }
 542   if (actor_type == "overlay") {
 543     Renderer->RemoveActor(mOverlayActor);
 544     mOverlay = NULL;
 545     mOverlayActor = NULL;
 546     mOverlayMapper = NULL;
 547   }
 548   if (actor_type == "fusion") {
 549     Renderer->RemoveActor(mFusionActor);
 550     mFusion = NULL;
 551     mFusionActor = NULL;
 552     mFusionMapper = NULL;
 553   }
 554   if (actor_type == "contour") {
 555     Renderer->RemoveActor(this->mSurfaceCutActors[overlay_index]->GetActor());
 556     mSurfaceCutActors.erase(mSurfaceCutActors.begin()+overlay_index);
 557   }
 558 }
 559 //------------------------------------------------------------------------------
 560
 561
 562 //------------------------------------------------------------------------------
 563 void vvSlicer::SetVFSubSampling(int sub)
 564 {
 565   if (mVOIFilter) {
 566     mVOIFilter->SetSampleRate(mSubSampling,mSubSampling,mSubSampling);
 567     mSubSampling = sub;
 568   }
 569   UpdateDisplayExtent();
 570   Render();
 571 }
 572 //------------------------------------------------------------------------------
 573
 574
 575 //------------------------------------------------------------------------------
 576 void vvSlicer::SetVFScale(int scale)
 577 {
 578   mScale = scale;
 579   if (mArrow)
 580     mArrow->SetScale(mScale);
 581   UpdateDisplayExtent();
 582   Render();
 583 }
 584 //------------------------------------------------------------------------------
 585
 586 //------------------------------------------------------------------------------
 587 void vvSlicer::SetVFWidth(int width)
 588 {
 589   mVFWidth = width;
 590   if (mVFActor)
 591     mVFActor->GetProperty()->SetLineWidth(mVFWidth);
 592   UpdateDisplayExtent();
 593   Render();
 594 }
 595 //------------------------------------------------------------------------------
 596
 597
 598 //------------------------------------------------------------------------------
 599 void vvSlicer::SetVFLog(int log)
 600 {
 601   mVFLog = log;
 602   if (mGlyphFilter) {
 603     mGlyphFilter->SetUseLog(mVFLog);
 604     mGlyphFilter->Modified();
 605   }
 606   UpdateDisplayExtent();
 607   Render();
 608 }
 609 //------------------------------------------------------------------------------
 610
 611
 612 //------------------------------------------------------------------------------
 613 void vvSlicer::SetTSlice(int t)
 614 {
 615   if (t < 0)
 616     t = 0;
 617   else if ((unsigned int)t >= mImage->GetVTKImages().size())
 618     t = mImage->GetVTKImages().size() -1;
 619
 620   if (mCurrentTSlice == t) return;
 621
 622   mCurrentTSlice = t;
 623   this->SetInput(mImage->GetTransformedVTKImages()[t]);
 624   if (mVF && mVFActor->GetVisibility()) {
 625     if (mVF->GetVTKImages().size() > (unsigned int)mCurrentTSlice)
 626       mVOIFilter->SetInput(mVF->GetTransformedVTKImages()[mCurrentTSlice]);
 627   }
 628   if (mOverlay && mOverlayActor->GetVisibility()) {
 629     if (mOverlay->GetTransformedVTKImages().size() > (unsigned int)mCurrentTSlice)
 630       mOverlayMapper->SetInput(mOverlay->GetTransformedVTKImages()[mCurrentTSlice]);
 631   }
 632   if (mFusion && mFusionActor->GetVisibility()) {
 633     if (mFusion->GetVTKImages().size() > (unsigned int)mCurrentTSlice)
 634       mFusionMapper->SetInput(mFusion->GetTransformedVTKImages()[mCurrentTSlice]);
 635   }
 636   if (mSurfaceCutActors.size() > 0)
 637     for (std::vector<vvMeshActor*>::iterator i=mSurfaceCutActors.begin();
 638          i!=mSurfaceCutActors.end(); i++)
 639       (*i)->SetTimeSlice(mCurrentTSlice);
 640   UpdateDisplayExtent();
 641 }
 642 //------------------------------------------------------------------------------
 643
 644
 645 //------------------------------------------------------------------------------
 646 int vvSlicer::GetTSlice()
 647 {
 648   return mCurrentTSlice;
 649 }
 650 //------------------------------------------------------------------------------
 651
 652
 653 //------------------------------------------------------------------------------
 654 void vvSlicer::SetSliceOrientation(int orientation)
 655 {
 656   //if 2D image, force to watch in Axial View
 657   int extent[6];
 658   this->GetInput()->GetWholeExtent(extent);
 659   if (extent[5]-extent[4] <= 2)
 660     orientation=2;
 661
 662   if (orientation < vtkImageViewer2::SLICE_ORIENTATION_YZ ||
 663       orientation > vtkImageViewer2::SLICE_ORIENTATION_XY) {
 664     vtkErrorMacro("Error - invalid slice orientation " << orientation);
 665     return;
 666   }
 667
 668   this->SliceOrientation = orientation;
 669
 670   // Update the viewer
 671   int *range = this->GetSliceRange();
 672   if (range)
 673     this->Slice = static_cast<int>((range[0] + range[1]) * 0.5);
 674
 675   // Go to current cursor position
 676   // double* cursorPos = GetCursorPosition();
 677   // DDV(cursorPos, 3);
 678   // SetCurrentPosition(cursorPos[0],cursorPos[1],cursorPos[2],cursorPos[3]);
 679
 680   this->UpdateOrientation();
 681   this->UpdateDisplayExtent();
 682
 683   if (this->Renderer && this->GetInput()) {
 684     double scale = this->Renderer->GetActiveCamera()->GetParallelScale();
 685     this->Renderer->ResetCamera();
 686     this->Renderer->GetActiveCamera()->SetParallelScale(scale);
 687   }
 688
 689   SetContourSlice();
 690 }
 691 //----------------------------------------------------------------------------
 692
 693
 694 //----------------------------------------------------------------------------
 695 int * vvSlicer::GetExtent()
 696 {
 697   int *w_ext;
 698   if (mUseReducedExtent) {
 699     w_ext = mReducedExtent;
 700   } else w_ext = GetInput()->GetWholeExtent();
 701   return w_ext;
 702 }
 703 //----------------------------------------------------------------------------
 704
 705
 706 //----------------------------------------------------------------------------
 707 int vvSlicer::GetOrientation()
 708 {
 709   return this->SliceOrientation;
 710 }
 711 //----------------------------------------------------------------------------
 712
 713
 714 //----------------------------------------------------------------------------
 715 void vvSlicer::UpdateDisplayExtent()
 716 {
 717   vtkImageData *input = this->GetInput();
 718   if (!input || !this->ImageActor) {
 719     return;
 720   }
 721   input->UpdateInformation();
 722   int *w_ext;// = input->GetWholeExtent();
 723
 724   if (mUseReducedExtent) {
 725     w_ext = mReducedExtent;
 726   } else w_ext = input->GetWholeExtent();
 727
 728   switch (this->SliceOrientation) {
 729   case vtkImageViewer2::SLICE_ORIENTATION_XY:
 730     this->ImageActor->SetDisplayExtent(
 731                                        w_ext[0], w_ext[1], w_ext[2], w_ext[3], this->Slice, this->Slice);
 732     if (mVF && mVFActor->GetVisibility()) {
 733       int vfExtent[6];
 734       ComputeVFDisplayedExtent(w_ext[0], w_ext[1], w_ext[2], w_ext[3], this->Slice, this->Slice,vfExtent);
 735       mVOIFilter->SetVOI(vfExtent);
 736       mGlyphFilter->SetOrientation(1,1,0);
 737       mVFMapper->Update();
 738       // put the vector field between the image and the camera
 739       if (Renderer->GetActiveCamera()->GetPosition()[2] > this->Slice)
 740         mVFActor->SetPosition(0,0,ImageActor->GetBounds()[5]+2);
 741       else
 742         mVFActor->SetPosition(0,0,ImageActor->GetBounds()[4]-2);
 743     }
 744     if (mOverlay && mOverlayActor->GetVisibility()) {
 745       int overExtent[6];
 746       ComputeOverlayDisplayedExtent(w_ext[0], w_ext[1], w_ext[2], w_ext[3], this->Slice, this->Slice,overExtent);
 747       mOverlayActor->SetDisplayExtent(overExtent);
 748       if (Renderer->GetActiveCamera()->GetPosition()[2] > this->Slice)
 749         mOverlayActor->SetPosition(0,0,1);
 750       else
 751         mOverlayActor->SetPosition(0,0,-1);
 752     }
 753     if (mFusion && mFusionActor->GetVisibility()) {
 754       int fusExtent[6];
 755       ComputeFusionDisplayedExtent(w_ext[0], w_ext[1], w_ext[2], w_ext[3], this->Slice, this->Slice,fusExtent);
 756       mFusionActor->SetDisplayExtent(fusExtent);
 757       if (Renderer->GetActiveCamera()->GetPosition()[2] > this->Slice)
 758         mFusionActor->SetPosition(0,0,1.5);
 759       else
 760         mFusionActor->SetPosition(0,0,-1.5);
 761     }
 762     if (mLandActor) {
 763       if (mClipBox) {
 764         double bounds [6];
 765         bounds[0] = ImageActor->GetBounds()[0];
 766         bounds[1] = ImageActor->GetBounds()[1];
 767         bounds[2] = ImageActor->GetBounds()[2];
 768         bounds[3] = ImageActor->GetBounds()[3];
 769         bounds[4] = ImageActor->GetBounds()[4]-fabs(0.5/this->GetInput()->GetSpacing()[2]);
 770         bounds[5] = ImageActor->GetBounds()[5]+fabs(0.5/this->GetInput()->GetSpacing()[2]);
 771         mClipBox->SetBounds(bounds);
 772         UpdateLandmarks();
 773       }
 774       mLandActor->SetPosition(0,0,-1.5);
 775       /*
 776       if (Renderer->GetActiveCamera()->GetPosition()[2] > this->Slice)
 777         mLandActor->SetPosition(0,0,1.5);
 778       else
 779         mLandActor->SetPosition(0,0,-1.5);
 780       */
 781     }
 782     break;
 783
 784   case vtkImageViewer2::SLICE_ORIENTATION_XZ:
 785     this->ImageActor->SetDisplayExtent(
 786                                        w_ext[0], w_ext[1], this->Slice, this->Slice, w_ext[4], w_ext[5]);
 787     if (mVF && mVFActor->GetVisibility()) {
 788       int vfExtent[6];
 789       ComputeVFDisplayedExtent(w_ext[0], w_ext[1], this->Slice, this->Slice, w_ext[4], w_ext[5],vfExtent);
 790       mVOIFilter->SetVOI(vfExtent);
 791       mGlyphFilter->SetOrientation(1,0,1);
 792       mVFMapper->Update();
 793       // put the vector field between the image aSpacingnd the camera
 794       if (Renderer->GetActiveCamera()->GetPosition()[1] > this->Slice)
 795         mVFActor->SetPosition(0,ImageActor->GetBounds()[3]+2,0);
 796       else
 797         mVFActor->SetPosition(0,ImageActor->GetBounds()[2]-2,0);
 798     }
 799     if (mOverlay && mOverlayActor->GetVisibility()) {
 800       int overExtent[6];
 801       ComputeOverlayDisplayedExtent(w_ext[0], w_ext[1], this->Slice, this->Slice, w_ext[4], w_ext[5],overExtent);
 802       mOverlayActor->SetDisplayExtent(overExtent);
 803       if (Renderer->GetActiveCamera()->GetPosition()[1] > this->Slice)
 804         mOverlayActor->SetPosition(0,1,0);
 805       else
 806         mOverlayActor->SetPosition(0,-1,0);
 807     }
 808     if (mFusion && mFusionActor->GetVisibility()) {
 809       int fusExtent[6];
 810       ComputeFusionDisplayedExtent(w_ext[0], w_ext[1], this->Slice, this->Slice, w_ext[4], w_ext[5],fusExtent);
 811       mFusionActor->SetDisplayExtent(fusExtent);
 812       if (Renderer->GetActiveCamera()->GetPosition()[1] > this->Slice)
 813         mFusionActor->SetPosition(0,1.5,0);
 814       else
 815         mFusionActor->SetPosition(0,-1.5,0);
 816     }
 817     if (mLandActor) {
 818       if (mClipBox) {
 819         double bounds [6];
 820         bounds[0] = ImageActor->GetBounds()[0];
 821         bounds[1] = ImageActor->GetBounds()[1];
 822         bounds[2] = ImageActor->GetBounds()[2]-fabs(0.5/this->GetInput()->GetSpacing()[1]);
 823         bounds[3] = ImageActor->GetBounds()[3]+fabs(0.5/this->GetInput()->GetSpacing()[1]);
 824         bounds[4] = ImageActor->GetBounds()[4];
 825         bounds[5] = ImageActor->GetBounds()[5];
 826         mClipBox->SetBounds(bounds);
 827         UpdateLandmarks();
 828       }
 829       if (Renderer->GetActiveCamera()->GetPosition()[1] > this->Slice)
 830         mLandActor->SetPosition(0,1.5,0);
 831       else
 832         mLandActor->SetPosition(0,-1.5,0);
 833     }
 834     break;
 835
 836   case vtkImageViewer2::SLICE_ORIENTATION_YZ:
 837     this->ImageActor->SetDisplayExtent(
 838                                        this->Slice, this->Slice, w_ext[2], w_ext[3], w_ext[4], w_ext[5]);
 839     if (mVF && mVFActor->GetVisibility()) {
 840       int vfExtent[6];
 841       ComputeVFDisplayedExtent(this->Slice, this->Slice, w_ext[2], w_ext[3], w_ext[4], w_ext[5],vfExtent);
 842       mVOIFilter->SetVOI(vfExtent);
 843       mGlyphFilter->SetOrientation(0,1,1);
 844       mVFMapper->Update();
 845       // put the vector field between the image and the camera
 846       if (Renderer->GetActiveCamera()->GetPosition()[0] > this->Slice)
 847         mVFActor->SetPosition(ImageActor->GetBounds()[1]+2,0,0);
 848       else
 849         mVFActor->SetPosition(ImageActor->GetBounds()[0]-2,0,0);
 850     }
 851     if (mOverlay && mOverlayActor->GetVisibility()) {
 852       int overExtent[6];
 853       ComputeOverlayDisplayedExtent(this->Slice, this->Slice, w_ext[2], w_ext[3], w_ext[4], w_ext[5],overExtent);
 854       mOverlayActor->SetDisplayExtent(overExtent);
 855       if (Renderer->GetActiveCamera()->GetPosition()[0] > this->Slice)
 856         mOverlayActor->SetPosition(1,0,0);
 857       else
 858         mOverlayActor->SetPosition(-1,0,0);
 859     }
 860     if (mFusion && mFusionActor->GetVisibility()) {
 861       int fusExtent[6];
 862       ComputeFusionDisplayedExtent(this->Slice, this->Slice, w_ext[2], w_ext[3], w_ext[4], w_ext[5],fusExtent);
 863       mFusionActor->SetDisplayExtent(fusExtent);
 864       if (Renderer->GetActiveCamera()->GetPosition()[0] > this->Slice)
 865         mFusionActor->SetPosition(1.5,0,0);
 866       else
 867         mFusionActor->SetPosition(-1.5,0,0);
 868     }
 869     if (mLandActor) {
 870       if (mClipBox) {
 871         double bounds [6];
 872         bounds[0] = ImageActor->GetBounds()[0]-fabs(0.5/this->GetInput()->GetSpacing()[0]);
 873         bounds[1] = ImageActor->GetBounds()[1]+fabs(0.5/this->GetInput()->GetSpacing()[0]);
 874         bounds[2] = ImageActor->GetBounds()[2];
 875         bounds[3] = ImageActor->GetBounds()[3];
 876         bounds[4] = ImageActor->GetBounds()[4];
 877         bounds[5] = ImageActor->GetBounds()[5];
 878         mClipBox->SetBounds(bounds);
 879         UpdateLandmarks();
 880       }
 881       if (Renderer->GetActiveCamera()->GetPosition()[0] > this->Slice)
 882         mLandActor->SetPosition(1.5,0,0);
 883       else
 884         mLandActor->SetPosition(-1.5,0,0);
 885     }
 886     break;
 887   }
 888
 889   // Figure out the correct clipping range
 890
 891   if (this->Renderer) {
 892     if (this->InteractorStyle &&
 893         this->InteractorStyle->GetAutoAdjustCameraClippingRange()) {
 894       this->Renderer->ResetCameraClippingRange();
 895     } else {
 896       vtkCamera *cam = this->Renderer->GetActiveCamera();
 897       if (cam) {
 898         double bounds[6];
 899         this->ImageActor->GetBounds(bounds);
 900         double spos = (double)bounds[this->SliceOrientation * 2];
 901         double cpos = (double)cam->GetPosition()[this->SliceOrientation];
 902         double range = fabs(spos - cpos);
 903         double *spacing = input->GetSpacing();
 904         double avg_spacing =
 905           ((double)spacing[0] + (double)spacing[1] + (double)spacing[2]) / 3.0;
 906         cam->SetClippingRange(
 907                               range - avg_spacing * 3.0, range + avg_spacing * 3.0);
 908       }
 909     }
 910   }
 911 }
 912 //----------------------------------------------------------------------------
 913
 914
 915 //----------------------------------------------------------------------------
 916 void vvSlicer::ComputeVFDisplayedExtent(int x1,int x2,int y1,int y2,int z1,int z2,int vfExtent[6])
 917 {
 918   double dVfExtent[6];
 919   vtkImageData* image = this->GetInput();
 920   dVfExtent[0] = image->GetOrigin()[0] + x1*image->GetSpacing()[0];
 921   dVfExtent[1] = image->GetOrigin()[0] + x2*image->GetSpacing()[0];
 922   dVfExtent[2] = image->GetOrigin()[1] + y1*image->GetSpacing()[1];
 923   dVfExtent[3] = image->GetOrigin()[1] + y2*image->GetSpacing()[1];
 924   dVfExtent[4] = image->GetOrigin()[2] + z1*image->GetSpacing()[2];
 925   dVfExtent[5] = image->GetOrigin()[2] + z2*image->GetSpacing()[2];
 926
 927   vtkImageData* vf = mVF->GetTransformedVTKImages()[0];
 928   vf->UpdateInformation();
 929   for(unsigned int i=0; i<6; i++)
 930     vfExtent[i] = itk::Math::Round((dVfExtent[i]- vf->GetOrigin()[i/2]) / vf->GetSpacing()[i/2]);
 931
 932   ClipDisplayedExtent(vfExtent,mVOIFilter->GetInput()->GetWholeExtent());
 933 }
 934 //----------------------------------------------------------------------------
 935
 936
 937 //----------------------------------------------------------------------------
 938 void vvSlicer::ComputeOverlayDisplayedExtent(int x1,int x2,int y1,int y2,int z1,int z2,int overExtent[6])
 939 {
 940   double dOverExtent[6];
 941   vtkImageData* image = this->GetInput();
 942   dOverExtent[0] = image->GetOrigin()[0] + x1*image->GetSpacing()[0];
 943   dOverExtent[1] = image->GetOrigin()[0] + x2*image->GetSpacing()[0];
 944   dOverExtent[2] = image->GetOrigin()[1] + y1*image->GetSpacing()[1];
 945   dOverExtent[3] = image->GetOrigin()[1] + y2*image->GetSpacing()[1];
 946   dOverExtent[4] = image->GetOrigin()[2] + z1*image->GetSpacing()[2];
 947   dOverExtent[5] = image->GetOrigin()[2] + z2*image->GetSpacing()[2];
 948
 949   vtkImageData* overlay = mOverlay->GetTransformedVTKImages()[0];
 950   overlay->UpdateInformation();
 951   for(unsigned int i=0; i<6; i++)
 952     overExtent[i] = itk::Math::Round((dOverExtent[i]- overlay->GetOrigin()[i/2]) / overlay->GetSpacing()[i/2]);
 953
 954   ClipDisplayedExtent(overExtent, mOverlayMapper->GetInput()->GetWholeExtent());
 955 }
 956 //----------------------------------------------------------------------------
 957
 958
 959 //----------------------------------------------------------------------------
 960 void vvSlicer::ComputeFusionDisplayedExtent(int x1,int x2,int y1,int y2,int z1,int z2,int fusExtent[6])
 961 {
 962   double dFusExtent[6];
 963   vtkImageData* image = this->GetInput();
 964   dFusExtent[0] = image->GetOrigin()[0] + x1*image->GetSpacing()[0];
 965   dFusExtent[1] = image->GetOrigin()[0] + x2*image->GetSpacing()[0];
 966   dFusExtent[2] = image->GetOrigin()[1] + y1*image->GetSpacing()[1];
 967   dFusExtent[3] = image->GetOrigin()[1] + y2*image->GetSpacing()[1];
 968   dFusExtent[4] = image->GetOrigin()[2] + z1*image->GetSpacing()[2];
 969   dFusExtent[5] = image->GetOrigin()[2] + z2*image->GetSpacing()[2];
 970
 971   vtkImageData* fusion = mFusion->GetTransformedVTKImages()[0];
 972   fusion->UpdateInformation();
 973   for(unsigned int i=0; i<6; i++)
 974     fusExtent[i] = itk::Math::Round((dFusExtent[i]- fusion->GetOrigin()[i/2]) / fusion->GetSpacing()[i/2]);
 975
 976   ClipDisplayedExtent(fusExtent, mFusionMapper->GetInput()->GetWholeExtent());
 977 }
 978 //----------------------------------------------------------------------------
 979
 980
 981 //----------------------------------------------------------------------------
 982 void vvSlicer::ClipDisplayedExtent(int extent[6], int refExtent[6])
 983 {
 984   bool out = false;
 985   int maxBound = 6;
 986
 987   //2D overlay on 3D image specific case
 988   if (refExtent[4] == refExtent[5]) {
 989     maxBound = 4;
 990     extent[4] = refExtent[4];
 991     extent[5] = refExtent[5];
 992   }
 993
 994   for (int i = 0; i < maxBound; i = i+2) {
 995     //if we are totally outside the image
 996     if ( extent[i] > refExtent[i+1] || extent[i+1] < refExtent[i] ) {
 997       out = true;
 998       break;
 999     }
1000     //crop to the limit of the image
1001     extent[i] = (extent[i] > refExtent[i]) ? extent[i] : refExtent[i];
1002     extent[i] = (extent[i] < refExtent[i+1]) ? extent[i] : refExtent[i+1];
1003     extent[i+1] = (extent[i+1] > refExtent[i]) ? extent[i+1] : refExtent[i];
1004     extent[i+1] = (extent[i+1] < refExtent[i+1]) ? extent[i+1] : refExtent[i+1];
1005   }
1006   if (out)
1007     for (int i = 0; i < maxBound; i = i+2) {
1008       extent[i] = refExtent[i];
1009       extent[i+1] = refExtent[i];
1010     }
1011 }
1012 //----------------------------------------------------------------------------
1013
1014
1015 //----------------------------------------------------------------------------
1016 void vvSlicer::UpdateOrientation()
1017 {
1018   // Set the camera position
1019   vtkCamera *cam = this->Renderer ? this->Renderer->GetActiveCamera() : NULL;
1020   if (cam) {
1021     switch (this->SliceOrientation) {
1022     case vtkImageViewer2::SLICE_ORIENTATION_XY:
1023       cam->SetFocalPoint(0,0,0);
1024       cam->SetPosition(0,0,-1); // -1 if medical ?
1025       cam->SetViewUp(0,-1,0);
1026       break;
1027
1028     case vtkImageViewer2::SLICE_ORIENTATION_XZ:
1029       cam->SetFocalPoint(0,0,0);
1030       cam->SetPosition(0,-1,0); // 1 if medical ?
1031       cam->SetViewUp(0,0,1);
1032       break;
1033
1034     case vtkImageViewer2::SLICE_ORIENTATION_YZ:
1035       cam->SetFocalPoint(0,0,0);
1036       cam->SetPosition(-1,0,0); // -1 if medical ?
1037       cam->SetViewUp(0,0,1);
1038       break;
1039     }
1040   }
1041 }
1042 //----------------------------------------------------------------------------
1043
1044
1045 //----------------------------------------------------------------------------
1046 void vvSlicer::SetOpacity(double s)
1047 {
1048   this->GetImageActor()->SetOpacity(s);
1049 }
1050 //----------------------------------------------------------------------------
1051
1052
1053 //----------------------------------------------------------------------------
1054 void vvSlicer::SetRenderWindow(int orientation, vtkRenderWindow * rw)
1055 {
1056   this->Superclass::SetRenderWindow(rw);
1057   this->SetupInteractor(rw->GetInteractor());
1058   ca->SetImageActor(this->GetImageActor());
1059   ca->SetWindowLevel(this->GetWindowLevel());
1060   ca->SetText(2, "<slice>");
1061   ca->SetText(3, "<window>\n<level>");
1062
1063   double bounds[6];
1064   double max = 65000;
1065
1066   bounds[0] = -max;
1067   bounds[1] = max;
1068   bounds[2] = -max;
1069   bounds[3] = max;
1070   bounds[4] = -max;
1071   bounds[5] = max;
1072
1073   crossCursor->SetModelBounds(bounds);
1074   this->GetRenderer()->AddActor(pdmA);
1075   this->GetRenderer()->AddActor(ca);
1076   this->GetRenderer()->ResetCamera();
1077
1078   //this is just a mapping between the labeling of the orientations presented to the user and
1079   //the one used by vtk
1080   SetSliceOrientation(2-(orientation%3));
1081   ResetCamera();
1082 }
1083 //----------------------------------------------------------------------------
1084
1085
1086 //----------------------------------------------------------------------------
1087 void vvSlicer::ResetCamera()
1088 {
1089   this->GetRenderer()->ResetCamera();
1090 }
1091 //----------------------------------------------------------------------------
1092
1093
1094 //----------------------------------------------------------------------------
1095 void vvSlicer::SetDisplayMode(bool i)
1096 {
1097   this->GetImageActor()->SetVisibility(i);
1098   this->GetAnnotation()->SetVisibility(i);
1099   this->GetRenderer()->SetDraw(i);
1100   if (mLandActor)
1101     mLandActor->SetVisibility(i);
1102   pdmA->SetVisibility(i);
1103   if (i)
1104     UpdateDisplayExtent();
1105 }
1106 //----------------------------------------------------------------------------
1107
1108
1109 //----------------------------------------------------------------------------
1110 void vvSlicer::FlipHorizontalView()
1111 {
1112   vtkCamera *cam = this->Renderer ? this->Renderer->GetActiveCamera() : NULL;
1113   if (cam) {
1114     double *position = cam->GetPosition();
1115     switch (this->SliceOrientation) {
1116     case vtkImageViewer2::SLICE_ORIENTATION_XY:
1117       cam->SetPosition(position[0],position[1],-position[2]);
1118       break;
1119
1120     case vtkImageViewer2::SLICE_ORIENTATION_XZ:
1121       cam->SetPosition(position[0],-position[1],position[2]);
1122       break;
1123
1124     case vtkImageViewer2::SLICE_ORIENTATION_YZ:
1125       cam->SetPosition(-position[0],position[1],position[2]);
1126       break;
1127     }
1128     this->Renderer->ResetCameraClippingRange();
1129     this->UpdateDisplayExtent();
1130   }
1131 }
1132 //----------------------------------------------------------------------------
1133
1134
1135 //----------------------------------------------------------------------------
1136 void vvSlicer::FlipVerticalView()
1137 {
1138   vtkCamera *cam = this->Renderer ? this->Renderer->GetActiveCamera() : NULL;
1139   if (cam) {
1140     FlipHorizontalView();
1141     double *viewup = cam->GetViewUp();
1142     cam->SetViewUp(-viewup[0],-viewup[1],-viewup[2]);
1143     this->UpdateDisplayExtent();
1144   }
1145 }
1146 //----------------------------------------------------------------------------
1147
1148
1149 //----------------------------------------------------------------------------
1150 void vvSlicer::SetColorWindow(double window)
1151 {
1152   vtkLookupTable* LUT = static_cast<vtkLookupTable*>(this->GetWindowLevel()->GetLookupTable());
1153   if ( LUT ) {
1154     double level = this->GetWindowLevel()->GetLevel();
1155     LUT->SetTableRange(level-fabs(window)/4,level+fabs(window)/4);
1156     LUT->Build();
1157   }
1158   this->vtkImageViewer2::SetColorWindow(window);
1159 }
1160 //----------------------------------------------------------------------------
1161
1162
1163 //----------------------------------------------------------------------------
1164 void vvSlicer::SetColorLevel(double level)
1165 {
1166   vtkLookupTable* LUT = static_cast<vtkLookupTable*>(this->GetWindowLevel()->GetLookupTable());
1167   if ( LUT ) {
1168     double window = this->GetWindowLevel()->GetWindow();
1169     LUT->SetTableRange(level-fabs(window)/4,level+fabs(window)/4);
1170     LUT->Build();
1171   }
1172   this->vtkImageViewer2::SetColorLevel(level);
1173 }
1174 //----------------------------------------------------------------------------
1175
1176 //----------------------------------------------------------------------------
1177 // Returns the min an the max value in a 41x41 region around the mouse pointer
1178 void vvSlicer::GetExtremasAroundMousePointer(double & min, double & max)
1179 {
1180   //Get mouse pointer position in view coordinates
1181   double fLocalExtents[6];
1182   for(int i=0; i<3; i++) {
1183     fLocalExtents[i*2  ] = mCurrent[i];
1184     fLocalExtents[i*2+1] = mCurrent[i];
1185   }
1186   this->Renderer->WorldToView(fLocalExtents[0], fLocalExtents[2], fLocalExtents[4]);
1187   this->Renderer->WorldToView(fLocalExtents[1], fLocalExtents[3], fLocalExtents[5]);
1188   for(int i=0; i<3; i++) {
1189     if (i!=SliceOrientation) { //SR: assumes that SliceOrientation is valid in ViewCoordinates (???)
1190       fLocalExtents[i*2  ] -= 0.2;
1191       fLocalExtents[i*2+1] += 0.2;
1192     }
1193   }
1194   this->Renderer->ViewToWorld(fLocalExtents[0], fLocalExtents[2], fLocalExtents[4]);
1195   this->Renderer->ViewToWorld(fLocalExtents[1], fLocalExtents[3], fLocalExtents[5]);
1196
1197   //Convert to image pixel coordinates (rounded)
1198   int iLocalExtents[6];
1199   for(int i=0; i<3; i++) {
1200     fLocalExtents[i*2  ] = (fLocalExtents[i*2  ] - this->GetInput()->GetOrigin()[i])/this->GetInput()->GetSpacing()[i];
1201     fLocalExtents[i*2+1] = (fLocalExtents[i*2+1] - this->GetInput()->GetOrigin()[i])/this->GetInput()->GetSpacing()[i];
1202
1203     iLocalExtents[i*2  ] = lrint(fLocalExtents[i*2  ]);
1204     iLocalExtents[i*2+1] = lrint(fLocalExtents[i*2+1]);
1205
1206     if(iLocalExtents[i*2  ]>iLocalExtents[i*2+1])
1207       std::swap(iLocalExtents[i*2], iLocalExtents[i*2+1]);
1208   }
1209
1210   vtkSmartPointer<vtkExtractVOI> voiFilter = vtkSmartPointer<vtkExtractVOI>::New();
1211   voiFilter->SetInput(this->GetInput());
1212   voiFilter->SetVOI(iLocalExtents);
1213   voiFilter->Update();
1214   if (!voiFilter->GetOutput()->GetNumberOfPoints()) {
1215     min = 0;
1216     max = 0;
1217     return;
1218   }
1219
1220   vtkSmartPointer<vtkImageAccumulate> accFilter = vtkSmartPointer<vtkImageAccumulate>::New();
1221   accFilter->SetInput(voiFilter->GetOutput());
1222   accFilter->Update();
1223
1224   min = *(accFilter->GetMin());
1225   max = *(accFilter->GetMax());
1226 }
1227 //----------------------------------------------------------------------------
1228
1229 //----------------------------------------------------------------------------
1230 double vvSlicer::GetScalarComponentAsDouble(vtkImageData *image, int X, double Y, double Z, int &ix, int &iy, int &iz, int component)
1231 {
1232   ix = lrint(X);
1233   iy = lrint(Y);
1234   iz = lrint(Z);
1235   if (ix < image->GetWholeExtent()[0] ||
1236       ix > image->GetWholeExtent()[1] ||
1237       iy < image->GetWholeExtent()[2] ||
1238       iy > image->GetWholeExtent()[3] ||
1239       iz < image->GetWholeExtent()[4] ||
1240       iz > image->GetWholeExtent()[5] )
1241     return sqrt(-1.);
1242
1243   image->SetUpdateExtent(ix, ix, iy, iy, iz, iz);
1244   image->Update();
1245   return image->GetScalarComponentAsDouble(ix, iy, iz, component);
1246 }
1247 //----------------------------------------------------------------------------
1248
1249 //----------------------------------------------------------------------------
1250 void vvSlicer::Render()
1251 {
1252   if (this->GetWindowLevel()->GetLookupTable() && !this->mOverlay && !this->mFusion) {
1253     legend->SetLookupTable(this->GetWindowLevel()->GetLookupTable());
1254     legend->SetVisibility(1);
1255   } else legend->SetVisibility(0);
1256
1257   if (ca->GetVisibility()) {
1258     std::string worldPos = "";
1259     std::stringstream world1;
1260     std::stringstream world2;
1261     std::stringstream world3;
1262     world1 << (int)mCurrent[0];
1263     world2 << (int)mCurrent[1];
1264     world3 << (int)mCurrent[2];
1265     double X = (mCurrent[0] - this->GetInput()->GetOrigin()[0])/this->GetInput()->GetSpacing()[0];
1266     double Y = (mCurrent[1] - this->GetInput()->GetOrigin()[1])/this->GetInput()->GetSpacing()[1];
1267     double Z = (mCurrent[2] - this->GetInput()->GetOrigin()[2])/this->GetInput()->GetSpacing()[2];
1268
1269 //     if (X < this->GetInput()->GetWholeExtent()[0]) X = this->GetInput()->GetWholeExtent()[0];
1270 //     else if (X > this->GetInput()->GetWholeExtent()[1]) X = this->GetInput()->GetWholeExtent()[1];
1271 //     if (Y < this->GetInput()->GetWholeExtent()[2]) Y = this->GetInput()->GetWholeExtent()[2];
1272 //     else if (Y > this->GetInput()->GetWholeExtent()[3]) Y = this->GetInput()->GetWholeExtent()[3];
1273 //     if (Z < this->GetInput()->GetWholeExtent()[4]) Z = this->GetInput()->GetWholeExtent()[4];
1274 //     else if (Z > this->GetInput()->GetWholeExtent()[5]) Z = this->GetInput()->GetWholeExtent()[5];
1275
1276     if (X >= this->GetInput()->GetWholeExtent()[0] &&
1277         X <= this->GetInput()->GetWholeExtent()[1] &&
1278         Y >= this->GetInput()->GetWholeExtent()[2] &&
1279         Y <= this->GetInput()->GetWholeExtent()[3] &&
1280         Z >= this->GetInput()->GetWholeExtent()[4] &&
1281         Z <= this->GetInput()->GetWholeExtent()[5]) {
1282
1283
1284       int ix, iy, iz;
1285       double value = this->GetScalarComponentAsDouble(this->GetInput(), X, Y, Z, ix, iy, iz);
1286
1287       std::stringstream pixel1;
1288       std::stringstream pixel2;
1289       std::stringstream pixel3;
1290       std::stringstream temps;
1291       pixel1 << ix;
1292       pixel2 << iy;
1293       pixel3 << iz;
1294       temps << mCurrentTSlice;
1295
1296       std::stringstream val;
1297       val << value;
1298       worldPos += "data value : " + val.str();
1299       worldPos += "\n mm : " + world1.str() + " " + world2.str() + " " +
1300         world3.str() + " " + temps.str();
1301       worldPos += "\n pixel : " + pixel1.str() + " " + pixel2.str() + " " +
1302         pixel3.str() + " " + temps.str();
1303     }
1304     ca->SetText(1,worldPos.c_str());
1305   }
1306
1307   if (pdmA->GetVisibility()) {
1308     double x = mCursor[0];
1309     double y = mCursor[1];
1310     double z = mCursor[2];
1311     double xCursor = (x - this->GetInput()->GetOrigin()[0])/this->GetInput()->GetSpacing()[0];
1312     double yCursor = (y - this->GetInput()->GetOrigin()[1])/this->GetInput()->GetSpacing()[1];
1313     double zCursor = (z - this->GetInput()->GetOrigin()[2])/this->GetInput()->GetSpacing()[2];
1314
1315     if (xCursor >= this->GetImageActor()->GetDisplayExtent()[0] &&
1316         xCursor < this->GetImageActor()->GetDisplayExtent()[1]+1 &&
1317         yCursor >= this->GetImageActor()->GetDisplayExtent()[2] &&
1318         yCursor < this->GetImageActor()->GetDisplayExtent()[3]+1 &&
1319         zCursor >= this->GetImageActor()->GetDisplayExtent()[4] &&
1320         zCursor < this->GetImageActor()->GetDisplayExtent()[5]+1 ) {
1321       vtkRenderer * renderer = this->Renderer;
1322
1323       renderer->WorldToView(x,y,z);
1324       renderer->ViewToNormalizedViewport(x,y,z);
1325       renderer->NormalizedViewportToViewport(x,y);
1326       renderer->ViewportToNormalizedDisplay(x,y);
1327       renderer->NormalizedDisplayToDisplay(x,y);
1328       crossCursor->SetFocalPoint(x,y,z);
1329     } else
1330       crossCursor->SetFocalPoint(-1,-1,z);
1331   }
1332
1333
1334   if (mOverlay && mOverlayActor->GetVisibility()) {
1335     mOverlayMapper->SetWindow(this->GetColorWindow());
1336     mOverlayMapper->SetLevel(this->GetColorLevel());
1337     mOverlayMapper->GetOutput()->SetUpdateExtent(mOverlayActor->GetDisplayExtent());
1338     mOverlayMapper->GetOutput()->Update();
1339     mOverlayMapper->Update();
1340   }
1341   if (mLandMapper)
1342     UpdateLandmarks();
1343
1344   this->GetRenderWindow()->Render();
1345 }
1346 //----------------------------------------------------------------------------
1347
1348
1349 //----------------------------------------------------------------------------
1350 void vvSlicer::UpdateCursorPosition()
1351 {
1352   if (this->GetImageActor()->GetVisibility()) {
1353     pdmA->SetVisibility(true);
1354     mCursor[0] = mCurrent[0];
1355     mCursor[1] = mCurrent[1];
1356     mCursor[2] = mCurrent[2];
1357     mCursor[3] = mCurrentTSlice;
1358   }
1359 }
1360 //----------------------------------------------------------------------------
1361
1362
1363 //----------------------------------------------------------------------------
1364 void vvSlicer::UpdateLandmarks()
1365 {
1366   vtkPolyData *pd = static_cast<vtkPolyData*>(mLandClipper->GetInput());
1367   if (pd->GetPoints()) {
1368     mLandGlyph->SetRange(0,1);
1369     mLandGlyph->Modified();
1370     mLandGlyph->Update();
1371
1372     mClipBox->Modified();
1373     mLandClipper->Update();
1374     mLandMapper->Update();
1375   }
1376
1377 }
1378 //----------------------------------------------------------------------------
1379
1380
1381 //----------------------------------------------------------------------------
1382 void vvSlicer::SetSlice(int slice)
1383 {
1384   int *range = this->GetSliceRange();
1385   if (range) {
1386     if (slice < range[0]) {
1387       slice = range[0];
1388     } else if (slice > range[1]) {
1389       slice = range[1];
1390     }
1391   }
1392
1393   if (this->Slice == slice) {
1394     return;
1395   }
1396
1397   this->Slice = slice;
1398   SetContourSlice();
1399   this->Modified();
1400   this->UpdateDisplayExtent();
1401
1402   // Seems to work without this line
1403   //this->Render();
1404 }
1405 //----------------------------------------------------------------------------
1406
1407
1408 //----------------------------------------------------------------------------
1409 void vvSlicer::SetContourSlice()
1410 {
1411   if (mSurfaceCutActors.size() > 0)
1412     for (std::vector<vvMeshActor*>::iterator i=mSurfaceCutActors.begin();
1413          i!=mSurfaceCutActors.end(); i++)
1414       (*i)->SetCutSlice((this->Slice)*this->GetImage()->GetSpacing()[this->SliceOrientation]+
1415                         this->GetImage()->GetOrigin()[this->SliceOrientation]);
1416 }
1417 //----------------------------------------------------------------------------
1418
1419
1420 //----------------------------------------------------------------------------
1421 void vvSlicer::ForceUpdateDisplayExtent()
1422 {
1423   this->UpdateDisplayExtent();
1424 }
1425 //----------------------------------------------------------------------------
1426
1427
1428 //----------------------------------------------------------------------------
1429 int* vvSlicer::GetDisplayExtent()
1430 {
1431   return this->GetImageActor()->GetDisplayExtent();
1432 }
1433 //----------------------------------------------------------------------------
1434
1435
1436 //----------------------------------------------------------------------------
1437 void vvSlicer::PrintSelf(ostream& os, vtkIndent indent)
1438 {
1439   this->Superclass::PrintSelf(os, indent);
1440 }
1441 //----------------------------------------------------------------------------
1442
1443 //----------------------------------------------------------------------------
1444 void vvSlicer::SetVFColor(double r, double g, double b)
1445 {
1446   double mVFColorHSV[3];
1447   mVFColor[0] = r;
1448   mVFColor[1] = g;
1449   mVFColor[2] = b;
1450
1451   vtkMath::RGBToHSV(mVFColor, mVFColorHSV);
1452   mVFColorLUT->SetHueRange(mVFColorHSV[0], mVFColorHSV[0]);
1453   mVFColorLUT->SetSaturationRange(mVFColorHSV[1],mVFColorHSV[1]);
1454   mVFColorLUT->SetValueRange(mVFColorHSV[2], mVFColorHSV[2]);
1455
1456   this->Render();
1457 }
1458