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   vtkImageData* image = this->GetInput();
 919   vfExtent[0] = image->GetOrigin()[0] + x1*image->GetSpacing()[0];
 920   vfExtent[1] = image->GetOrigin()[0] + x2*image->GetSpacing()[0];
 921   vfExtent[2] = image->GetOrigin()[1] + y1*image->GetSpacing()[1];
 922   vfExtent[3] = image->GetOrigin()[1] + y2*image->GetSpacing()[1];
 923   vfExtent[4] = image->GetOrigin()[2] + z1*image->GetSpacing()[2];
 924   vfExtent[5] = image->GetOrigin()[2] + z2*image->GetSpacing()[2];
 925
 926   vtkImageData* vf = mVF->GetTransformedVTKImages()[0];
 927   vf->UpdateInformation();
 928   for(unsigned int i=0; i<6; i++)
 929     vfExtent[i] = (vfExtent[i]- vf->GetOrigin()[i/2]) / vf->GetSpacing()[i/2];
 930
 931   ClipDisplayedExtent(vfExtent,mVOIFilter->GetInput()->GetWholeExtent());
 932 }
 933 //----------------------------------------------------------------------------
 934
 935
 936 //----------------------------------------------------------------------------
 937 void vvSlicer::ComputeOverlayDisplayedExtent(int x1,int x2,int y1,int y2,int z1,int z2,int overExtent[6])
 938 {
 939   vtkImageData* image = this->GetInput();
 940   overExtent[0] = image->GetOrigin()[0] + x1*image->GetSpacing()[0];
 941   overExtent[1] = image->GetOrigin()[0] + x2*image->GetSpacing()[0];
 942   overExtent[2] = image->GetOrigin()[1] + y1*image->GetSpacing()[1];
 943   overExtent[3] = image->GetOrigin()[1] + y2*image->GetSpacing()[1];
 944   overExtent[4] = image->GetOrigin()[2] + z1*image->GetSpacing()[2];
 945   overExtent[5] = image->GetOrigin()[2] + z2*image->GetSpacing()[2];
 946
 947   vtkImageData* overlay = mOverlay->GetTransformedVTKImages()[0];
 948   overlay->UpdateInformation();
 949   for(unsigned int i=0; i<6; i++)
 950     overExtent[i] = (overExtent[i]- overlay->GetOrigin()[i/2]) / overlay->GetSpacing()[i/2];
 951
 952   ClipDisplayedExtent(overExtent, mOverlayMapper->GetInput()->GetWholeExtent());
 953 }
 954 //----------------------------------------------------------------------------
 955
 956
 957 //----------------------------------------------------------------------------
 958 void vvSlicer::ComputeFusionDisplayedExtent(int x1,int x2,int y1,int y2,int z1,int z2,int fusExtent[6])
 959 {
 960   vtkImageData* image = this->GetInput();
 961   fusExtent[0] = image->GetOrigin()[0] + x1*image->GetSpacing()[0];
 962   fusExtent[1] = image->GetOrigin()[0] + x2*image->GetSpacing()[0];
 963   fusExtent[2] = image->GetOrigin()[1] + y1*image->GetSpacing()[1];
 964   fusExtent[3] = image->GetOrigin()[1] + y2*image->GetSpacing()[1];
 965   fusExtent[4] = image->GetOrigin()[2] + z1*image->GetSpacing()[2];
 966   fusExtent[5] = image->GetOrigin()[2] + z2*image->GetSpacing()[2];
 967
 968   vtkImageData* fusion = mFusion->GetTransformedVTKImages()[0];
 969   fusion->UpdateInformation();
 970   for(unsigned int i=0; i<6; i++)
 971     fusExtent[i] = (fusExtent[i]- fusion->GetOrigin()[i/2]) / fusion->GetSpacing()[i/2];
 972
 973   ClipDisplayedExtent(fusExtent, mFusionMapper->GetInput()->GetWholeExtent());
 974 }
 975 //----------------------------------------------------------------------------
 976
 977
 978 //----------------------------------------------------------------------------
 979 void vvSlicer::ClipDisplayedExtent(int extent[6], int refExtent[6])
 980 {
 981   bool out = false;
 982   int maxBound = 6;
 983
 984   //2D overlay on 3D image specific case
 985   if (refExtent[4] == refExtent[5]) {
 986     maxBound = 4;
 987     extent[4] = refExtent[4];
 988     extent[5] = refExtent[5];
 989   }
 990
 991   for (int i = 0; i < maxBound; i = i+2) {
 992     //if we are totally outside the image
 993     if ( extent[i] > refExtent[i+1] || extent[i+1] < refExtent[i] ) {
 994       out = true;
 995       break;
 996     }
 997     //crop to the limit of the image
 998     extent[i] = (extent[i] > refExtent[i]) ? extent[i] : refExtent[i];
 999     extent[i] = (extent[i] < refExtent[i+1]) ? extent[i] : refExtent[i+1];
1000     extent[i+1] = (extent[i+1] > refExtent[i]) ? extent[i+1] : refExtent[i];
1001     extent[i+1] = (extent[i+1] < refExtent[i+1]) ? extent[i+1] : refExtent[i+1];
1002   }
1003   if (out)
1004     for (int i = 0; i < maxBound; i = i+2) {
1005       extent[i] = refExtent[i];
1006       extent[i+1] = refExtent[i];
1007     }
1008 }
1009 //----------------------------------------------------------------------------
1010
1011
1012 //----------------------------------------------------------------------------
1013 void vvSlicer::UpdateOrientation()
1014 {
1015   // Set the camera position
1016   vtkCamera *cam = this->Renderer ? this->Renderer->GetActiveCamera() : NULL;
1017   if (cam) {
1018     switch (this->SliceOrientation) {
1019     case vtkImageViewer2::SLICE_ORIENTATION_XY:
1020       cam->SetFocalPoint(0,0,0);
1021       cam->SetPosition(0,0,-1); // -1 if medical ?
1022       cam->SetViewUp(0,-1,0);
1023       break;
1024
1025     case vtkImageViewer2::SLICE_ORIENTATION_XZ:
1026       cam->SetFocalPoint(0,0,0);
1027       cam->SetPosition(0,-1,0); // 1 if medical ?
1028       cam->SetViewUp(0,0,1);
1029       break;
1030
1031     case vtkImageViewer2::SLICE_ORIENTATION_YZ:
1032       cam->SetFocalPoint(0,0,0);
1033       cam->SetPosition(-1,0,0); // -1 if medical ?
1034       cam->SetViewUp(0,0,1);
1035       break;
1036     }
1037   }
1038 }
1039 //----------------------------------------------------------------------------
1040
1041
1042 //----------------------------------------------------------------------------
1043 void vvSlicer::SetOpacity(double s)
1044 {
1045   this->GetImageActor()->SetOpacity(s);
1046 }
1047 //----------------------------------------------------------------------------
1048
1049
1050 //----------------------------------------------------------------------------
1051 void vvSlicer::SetRenderWindow(int orientation, vtkRenderWindow * rw)
1052 {
1053   this->Superclass::SetRenderWindow(rw);
1054   this->SetupInteractor(rw->GetInteractor());
1055   ca->SetImageActor(this->GetImageActor());
1056   ca->SetWindowLevel(this->GetWindowLevel());
1057   ca->SetText(2, "<slice>");
1058   ca->SetText(3, "<window>\n<level>");
1059
1060   double bounds[6];
1061   double max = 65000;
1062
1063   bounds[0] = -max;
1064   bounds[1] = max;
1065   bounds[2] = -max;
1066   bounds[3] = max;
1067   bounds[4] = -max;
1068   bounds[5] = max;
1069
1070   crossCursor->SetModelBounds(bounds);
1071   this->GetRenderer()->AddActor(pdmA);
1072   this->GetRenderer()->AddActor(ca);
1073   this->GetRenderer()->ResetCamera();
1074
1075   //this is just a mapping between the labeling of the orientations presented to the user and
1076   //the one used by vtk
1077   SetSliceOrientation(2-(orientation%3));
1078   ResetCamera();
1079 }
1080 //----------------------------------------------------------------------------
1081
1082
1083 //----------------------------------------------------------------------------
1084 void vvSlicer::ResetCamera()
1085 {
1086   this->GetRenderer()->ResetCamera();
1087 }
1088 //----------------------------------------------------------------------------
1089
1090
1091 //----------------------------------------------------------------------------
1092 void vvSlicer::SetDisplayMode(bool i)
1093 {
1094   this->GetImageActor()->SetVisibility(i);
1095   this->GetAnnotation()->SetVisibility(i);
1096   this->GetRenderer()->SetDraw(i);
1097   if (mLandActor)
1098     mLandActor->SetVisibility(i);
1099   pdmA->SetVisibility(i);
1100   if (i)
1101     UpdateDisplayExtent();
1102 }
1103 //----------------------------------------------------------------------------
1104
1105
1106 //----------------------------------------------------------------------------
1107 void vvSlicer::FlipHorizontalView()
1108 {
1109   vtkCamera *cam = this->Renderer ? this->Renderer->GetActiveCamera() : NULL;
1110   if (cam) {
1111     double *position = cam->GetPosition();
1112     switch (this->SliceOrientation) {
1113     case vtkImageViewer2::SLICE_ORIENTATION_XY:
1114       cam->SetPosition(position[0],position[1],-position[2]);
1115       break;
1116
1117     case vtkImageViewer2::SLICE_ORIENTATION_XZ:
1118       cam->SetPosition(position[0],-position[1],position[2]);
1119       break;
1120
1121     case vtkImageViewer2::SLICE_ORIENTATION_YZ:
1122       cam->SetPosition(-position[0],position[1],position[2]);
1123       break;
1124     }
1125     this->Renderer->ResetCameraClippingRange();
1126     this->UpdateDisplayExtent();
1127   }
1128 }
1129 //----------------------------------------------------------------------------
1130
1131
1132 //----------------------------------------------------------------------------
1133 void vvSlicer::FlipVerticalView()
1134 {
1135   vtkCamera *cam = this->Renderer ? this->Renderer->GetActiveCamera() : NULL;
1136   if (cam) {
1137     FlipHorizontalView();
1138     double *viewup = cam->GetViewUp();
1139     cam->SetViewUp(-viewup[0],-viewup[1],-viewup[2]);
1140     this->UpdateDisplayExtent();
1141   }
1142 }
1143 //----------------------------------------------------------------------------
1144
1145
1146 //----------------------------------------------------------------------------
1147 void vvSlicer::SetColorWindow(double window)
1148 {
1149   vtkLookupTable* LUT = static_cast<vtkLookupTable*>(this->GetWindowLevel()->GetLookupTable());
1150   if ( LUT ) {
1151     double level = this->GetWindowLevel()->GetLevel();
1152     LUT->SetTableRange(level-fabs(window)/4,level+fabs(window)/4);
1153     LUT->Build();
1154   }
1155   this->vtkImageViewer2::SetColorWindow(window);
1156 }
1157 //----------------------------------------------------------------------------
1158
1159
1160 //----------------------------------------------------------------------------
1161 void vvSlicer::SetColorLevel(double level)
1162 {
1163   vtkLookupTable* LUT = static_cast<vtkLookupTable*>(this->GetWindowLevel()->GetLookupTable());
1164   if ( LUT ) {
1165     double window = this->GetWindowLevel()->GetWindow();
1166     LUT->SetTableRange(level-fabs(window)/4,level+fabs(window)/4);
1167     LUT->Build();
1168   }
1169   this->vtkImageViewer2::SetColorLevel(level);
1170 }
1171 //----------------------------------------------------------------------------
1172
1173 //----------------------------------------------------------------------------
1174 // Returns the min an the max value in a 41x41 region around the mouse pointer
1175 void vvSlicer::GetExtremasAroundMousePointer(double & min, double & max)
1176 {
1177   //Get mouse pointer position in view coordinates
1178   double fLocalExtents[6];
1179   for(int i=0; i<3; i++) {
1180     fLocalExtents[i*2  ] = mCurrent[i];
1181     fLocalExtents[i*2+1] = mCurrent[i];
1182   }
1183   this->Renderer->WorldToView(fLocalExtents[0], fLocalExtents[2], fLocalExtents[4]);
1184   this->Renderer->WorldToView(fLocalExtents[1], fLocalExtents[3], fLocalExtents[5]);
1185   for(int i=0; i<3; i++) {
1186     if (i!=SliceOrientation) { //SR: assumes that SliceOrientation is valid in ViewCoordinates (???)
1187       fLocalExtents[i*2  ] -= 0.2;
1188       fLocalExtents[i*2+1] += 0.2;
1189     }
1190   }
1191   this->Renderer->ViewToWorld(fLocalExtents[0], fLocalExtents[2], fLocalExtents[4]);
1192   this->Renderer->ViewToWorld(fLocalExtents[1], fLocalExtents[3], fLocalExtents[5]);
1193
1194   //Convert to image pixel coordinates (rounded)
1195   int iLocalExtents[6];
1196   for(int i=0; i<3; i++) {
1197     fLocalExtents[i*2  ] = (fLocalExtents[i*2  ] - this->GetInput()->GetOrigin()[i])/this->GetInput()->GetSpacing()[i];
1198     fLocalExtents[i*2+1] = (fLocalExtents[i*2+1] - this->GetInput()->GetOrigin()[i])/this->GetInput()->GetSpacing()[i];
1199
1200     iLocalExtents[i*2  ] = lrint(fLocalExtents[i*2  ]);
1201     iLocalExtents[i*2+1] = lrint(fLocalExtents[i*2+1]);
1202
1203     if(iLocalExtents[i*2  ]>iLocalExtents[i*2+1])
1204       std::swap(iLocalExtents[i*2], iLocalExtents[i*2+1]);
1205   }
1206
1207   vtkSmartPointer<vtkExtractVOI> voiFilter = vtkSmartPointer<vtkExtractVOI>::New();
1208   voiFilter->SetInput(this->GetInput());
1209   voiFilter->SetVOI(iLocalExtents);
1210   voiFilter->Update();
1211   if (!voiFilter->GetOutput()->GetNumberOfPoints()) {
1212     min = 0;
1213     max = 0;
1214     return;
1215   }
1216
1217   vtkSmartPointer<vtkImageAccumulate> accFilter = vtkSmartPointer<vtkImageAccumulate>::New();
1218   accFilter->SetInput(voiFilter->GetOutput());
1219   accFilter->Update();
1220
1221   min = *(accFilter->GetMin());
1222   max = *(accFilter->GetMax());
1223 }
1224 //----------------------------------------------------------------------------
1225
1226 //----------------------------------------------------------------------------
1227 double vvSlicer::GetScalarComponentAsDouble(vtkImageData *image, int X, double Y, double Z, int &ix, int &iy, int &iz, int component)
1228 {
1229   ix = lrint(X);
1230   iy = lrint(Y);
1231   iz = lrint(Z);
1232   if (ix < image->GetWholeExtent()[0] ||
1233       ix > image->GetWholeExtent()[1] ||
1234       iy < image->GetWholeExtent()[2] ||
1235       iy > image->GetWholeExtent()[3] ||
1236       iz < image->GetWholeExtent()[4] ||
1237       iz > image->GetWholeExtent()[5] )
1238     return sqrt(-1.);
1239
1240   image->SetUpdateExtent(ix, ix, iy, iy, iz, iz);
1241   image->Update();
1242   return image->GetScalarComponentAsDouble(ix, iy, iz, component);
1243 }
1244 //----------------------------------------------------------------------------
1245
1246 //----------------------------------------------------------------------------
1247 void vvSlicer::Render()
1248 {
1249   if (this->GetWindowLevel()->GetLookupTable() && !this->mOverlay && !this->mFusion) {
1250     legend->SetLookupTable(this->GetWindowLevel()->GetLookupTable());
1251     legend->SetVisibility(1);
1252   } else legend->SetVisibility(0);
1253
1254   if (ca->GetVisibility()) {
1255     std::string worldPos = "";
1256     std::stringstream world1;
1257     std::stringstream world2;
1258     std::stringstream world3;
1259     world1 << (int)mCurrent[0];
1260     world2 << (int)mCurrent[1];
1261     world3 << (int)mCurrent[2];
1262     double X = (mCurrent[0] - this->GetInput()->GetOrigin()[0])/this->GetInput()->GetSpacing()[0];
1263     double Y = (mCurrent[1] - this->GetInput()->GetOrigin()[1])/this->GetInput()->GetSpacing()[1];
1264     double Z = (mCurrent[2] - this->GetInput()->GetOrigin()[2])/this->GetInput()->GetSpacing()[2];
1265
1266     if (pdmA->GetVisibility()) {
1267       double x = mCursor[0];
1268       double y = mCursor[1];
1269       double z = mCursor[2];
1270       double xCursor = (x - this->GetInput()->GetOrigin()[0])/this->GetInput()->GetSpacing()[0];
1271       double yCursor = (y - this->GetInput()->GetOrigin()[1])/this->GetInput()->GetSpacing()[1];
1272       double zCursor = (z - this->GetInput()->GetOrigin()[2])/this->GetInput()->GetSpacing()[2];
1273
1274       if (xCursor >= this->GetImageActor()->GetDisplayExtent()[0] &&
1275           xCursor < this->GetImageActor()->GetDisplayExtent()[1]+1 &&
1276           yCursor >= this->GetImageActor()->GetDisplayExtent()[2] &&
1277           yCursor < this->GetImageActor()->GetDisplayExtent()[3]+1 &&
1278           zCursor >= this->GetImageActor()->GetDisplayExtent()[4] &&
1279           zCursor < this->GetImageActor()->GetDisplayExtent()[5]+1 ) {
1280         vtkRenderer * renderer = this->Renderer;
1281
1282         renderer->WorldToView(x,y,z);
1283         renderer->ViewToNormalizedViewport(x,y,z);
1284         renderer->NormalizedViewportToViewport(x,y);
1285         renderer->ViewportToNormalizedDisplay(x,y);
1286         renderer->NormalizedDisplayToDisplay(x,y);
1287         crossCursor->SetFocalPoint(x,y,z);
1288       } else
1289         crossCursor->SetFocalPoint(-1,-1,z);
1290     }
1291
1292     if (X >= this->GetInput()->GetWholeExtent()[0] &&
1293         X <= this->GetInput()->GetWholeExtent()[1] &&
1294         Y >= this->GetInput()->GetWholeExtent()[2] &&
1295         Y <= this->GetInput()->GetWholeExtent()[3] &&
1296         Z >= this->GetInput()->GetWholeExtent()[4] &&
1297         Z <= this->GetInput()->GetWholeExtent()[5]) {
1298       int ix, iy, iz;
1299       double value = this->GetScalarComponentAsDouble(this->GetInput(), X, Y, Z, ix, iy, iz);
1300
1301       std::stringstream pixel1;
1302       std::stringstream pixel2;
1303       std::stringstream pixel3;
1304       std::stringstream temps;
1305       pixel1 << ix;
1306       pixel2 << iy;
1307       pixel3 << iz;
1308       temps << mCurrentTSlice;
1309
1310       std::stringstream val;
1311       val << value;
1312       worldPos += "data value : " + val.str();
1313       worldPos += "\n mm : " + world1.str() + " " + world2.str() + " " +
1314         world3.str() + " " + temps.str();
1315       worldPos += "\n pixel : " + pixel1.str() + " " + pixel2.str() + " " +
1316         pixel3.str() + " " + temps.str();
1317     }
1318     ca->SetText(1,worldPos.c_str());
1319   }
1320   if (mOverlay && mOverlayActor->GetVisibility()) {
1321     mOverlayMapper->SetWindow(this->GetColorWindow());
1322     mOverlayMapper->SetLevel(this->GetColorLevel());
1323     mOverlayMapper->GetOutput()->SetUpdateExtent(mOverlayActor->GetDisplayExtent());
1324     mOverlayMapper->GetOutput()->Update();
1325     mOverlayMapper->Update();
1326   }
1327   if (mLandMapper)
1328     UpdateLandmarks();
1329   //this->Superclass::Render();
1330   this->GetRenderWindow()->Render();
1331 }
1332 //----------------------------------------------------------------------------
1333
1334
1335 //----------------------------------------------------------------------------
1336 void vvSlicer::UpdateCursorPosition()
1337 {
1338   if (this->GetImageActor()->GetVisibility()) {
1339     pdmA->SetVisibility(true);
1340     mCursor[0] = mCurrent[0];
1341     mCursor[1] = mCurrent[1];
1342     mCursor[2] = mCurrent[2];
1343     mCursor[3] = mCurrentTSlice;
1344   }
1345 }
1346 //----------------------------------------------------------------------------
1347
1348
1349 //----------------------------------------------------------------------------
1350 void vvSlicer::UpdateLandmarks()
1351 {
1352   vtkPolyData *pd = static_cast<vtkPolyData*>(mLandClipper->GetInput());
1353   if (pd->GetPoints()) {
1354     mLandGlyph->SetRange(0,1);
1355     mLandGlyph->Modified();
1356     mLandGlyph->Update();
1357
1358     mClipBox->Modified();
1359     mLandClipper->Update();
1360     mLandMapper->Update();
1361   }
1362
1363 }
1364 //----------------------------------------------------------------------------
1365
1366
1367 //----------------------------------------------------------------------------
1368 void vvSlicer::SetSlice(int slice)
1369 {
1370   int *range = this->GetSliceRange();
1371   if (range) {
1372     if (slice < range[0]) {
1373       slice = range[0];
1374     } else if (slice > range[1]) {
1375       slice = range[1];
1376     }
1377   }
1378
1379   if (this->Slice == slice) {
1380     return;
1381   }
1382
1383   this->Slice = slice;
1384   SetContourSlice();
1385   this->Modified();
1386   this->UpdateDisplayExtent();
1387
1388   // Seems to work without this line
1389   //  this->Render();
1390 }
1391 //----------------------------------------------------------------------------
1392
1393
1394 //----------------------------------------------------------------------------
1395 void vvSlicer::SetContourSlice()
1396 {
1397   if (mSurfaceCutActors.size() > 0)
1398     for (std::vector<vvMeshActor*>::iterator i=mSurfaceCutActors.begin();
1399          i!=mSurfaceCutActors.end(); i++)
1400       (*i)->SetCutSlice((this->Slice)*this->GetImage()->GetSpacing()[this->SliceOrientation]+
1401                         this->GetImage()->GetOrigin()[this->SliceOrientation]);
1402 }
1403 //----------------------------------------------------------------------------
1404
1405
1406 //----------------------------------------------------------------------------
1407 void vvSlicer::ForceUpdateDisplayExtent()
1408 {
1409   this->UpdateDisplayExtent();
1410 }
1411 //----------------------------------------------------------------------------
1412
1413
1414 //----------------------------------------------------------------------------
1415 int* vvSlicer::GetDisplayExtent()
1416 {
1417   return this->GetImageActor()->GetDisplayExtent();
1418 }
1419 //----------------------------------------------------------------------------
1420
1421
1422 //----------------------------------------------------------------------------
1423 void vvSlicer::PrintSelf(ostream& os, vtkIndent indent)
1424 {
1425   this->Superclass::PrintSelf(os, indent);
1426 }
1427 //----------------------------------------------------------------------------
1428
1429 //----------------------------------------------------------------------------
1430 void vvSlicer::SetVFColor(double r, double g, double b)
1431 {
1432   double mVFColorHSV[3];
1433   mVFColor[0] = r;
1434   mVFColor[1] = g;
1435   mVFColor[2] = b;
1436
1437   vtkMath::RGBToHSV(mVFColor, mVFColorHSV);
1438   mVFColorLUT->SetHueRange(mVFColorHSV[0], mVFColorHSV[0]);
1439   mVFColorLUT->SetSaturationRange(mVFColorHSV[1],mVFColorHSV[1]);
1440   mVFColorLUT->SetValueRange(mVFColorHSV[2], mVFColorHSV[2]);
1441
1442   this->Render();
1443 }
1444