packages/vtk/src/bbvtkImagePlanes.cxx

   1 /*
   2  # ---------------------------------------------------------------------
   3  #
   4  # Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image
   5  #                        pour la SantÈ)
   6  # Authors : Eduardo Davila, Frederic Cervenansky, Claire Mouton
   7  # Previous Authors : Laurent Guigues, Jean-Pierre Roux
   8  # CreaTools website : www.creatis.insa-lyon.fr/site/fr/creatools_accueil
   9  #
  10  #  This software is governed by the CeCILL-B license under French law and
  11  #  abiding by the rules of distribution of free software. You can  use,
  12  #  modify and/ or redistribute the software under the terms of the CeCILL-B
  13  #  license as circulated by CEA, CNRS and INRIA at the following URL
  14  #  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
  15  #  or in the file LICENSE.txt.
  16  #
  17  #  As a counterpart to the access to the source code and  rights to copy,
  18  #  modify and redistribute granted by the license, users are provided only
  19  #  with a limited warranty  and the software's author,  the holder of the
  20  #  economic rights,  and the successive licensors  have only  limited
  21  #  liability.
  22  #
  23  #  The fact that you are presently reading this means that you have had
  24  #  knowledge of the CeCILL-B license and that you accept its terms.
  25  # ------------------------------------------------------------------------ */
  26
  27
  28 /*=========================================================================
  29   Program:   bbtk
  30   Module:    $RCSfile: bbvtkImagePlanes.cxx,v $
  31   Language:  C++
  32   Date:      $Date: 2012/11/16 08:51:58 $
  33   Version:   $Revision: 1.38 $
  34 =========================================================================*/
  35
  36 /**
  37  *  \file
  38  *  \brief
  39  */
  40
  41 #ifdef _USE_VTK_
  42 #include "bbvtkImagePlanes.h"
  43 #include "bbvtkPackage.h"
  44 #include "vtkCellPicker.h"
  45 #include "vtkProperty.h"
  46 #include "vtkPolyData.h"
  47
  48
  49 #include "vtkMetaImageWriter.h"
  50 #include "vtkPNGWriter.h"
  51
  52 #include "bbstdCast.h"
  53 #include <vtkCommand.h>
  54
  55 #include "vtkImageData.h"
  56 //#include "vtkOutlineFilter.h"
  57 //#include "vtkPolyDataMapper.h"
  58 //#include "vtkActor.h"
  59 #include "vtkImagePlaneWidget.h"
  60 #include "vtkCellPicker.h"
  61 //#include "vtkProperty.h"
  62
  63 //#include "vtkRenderer.h"
  64 //#include "vtkCamera.h"
  65
  66 #include "vtkPlaneWidget.h"
  67
  68 #include <vtkImplicitPlaneWidget.h>
  69
  70 #include "bbstdRelay.h"
  71
  72 #include "vtkObjectFactory.h"
  73 #include "vtkImageFlip.h"
  74
  75 #include "vtkImageReslice.h"
  76 #include "vtkImageChangeInformation.h"
  77
  78 namespace bbstd
  79 {
  80
  81   //====================================================================
  82   BBTK_BLACK_BOX_TEMPLATE2_IMPLEMENTATION(Cast,
  83                                           bbtk::AtomicBlackBox);
  84   //====================================================================
  85   //====================================================================
  86 //  BBTK_BLACK_BOX_TEMPLATE_IMPLEMENTATION(Relay,
  87 //                                       bbtk::AtomicBlackBox);
  88   //====================================================================
  89
  90 }
  91 using namespace bbstd;
  92 /*
  93 namespace bbtk
  94 {
  95         typedef vtkImageData::Pointer vtkImageDataPointer;
  96   BBTK_DEFINE_HUMAN_READABLE_TYPE_NAME(vtkImageDataPointer,
  97                                        "vtkImageDataPointer");
  98 }
  99 */
 100 namespace bbvtk
 101 {
 102
 103   //====================================================================
 104   // Add the specialized adaptors to the package
 105   typedef vtkImagePlaneWidget* I;
 106   typedef vtkInteractorObserver* O;
 107
 108   BBTK_ADD_TEMPLATE2_BLACK_BOX_TO_PACKAGE(vtk,Cast,I,O);
 109
 110   BBTK_DEFINE_RELAY_BLACK_BOX(vtkImageDataPointer,vtk,vtkImageDataPointerRelay);
 111   BBTK_BLACK_BOX_IMPLEMENTATION(vtkImageDataPointerRelay,bbtk::AtomicBlackBox);
 112
 113   BBTK_ADD_BLACK_BOX_TO_PACKAGE(vtk,vtkImageDataPointerRelay);
 114  // BBTK_ADD_TEMPLATE_BLACK_BOX_TO_PACKAGE(vtk,Relay,vtkImageDataPointer);
 115   //Pointer);
 116
 117 }
 118
 119 namespace bbvtk
 120 {
 121
 122   //================================================================
 123  class ImagePlanes::VtkCallbackType : public vtkCommand
 124  {
 125  public:
 126    static VtkCallbackType *New()
 127    {
 128      return new VtkCallbackType;
 129    }
 130    //vtkTypeRevisionMacro(VtkCallbackType,vtkCommand);
 131
 132    virtual void Execute(vtkObject *caller, unsigned long, void*)
 133    {
 134        mBlackBox->Process();
 135        mBlackBox->bbSignalOutputModification();
 136    }
 137    void SetBlackBox(ImagePlanes *BB) { mBlackBox = BB;};
 138    //   void SetVtkPlaneWidget( vtkImagePlaneWidget *planeWidget );
 139    VtkCallbackType() {};
 140
 141  private:
 142    //   vtkPlaneWidget *planeWidget;
 143    ImagePlanes *mBlackBox;
 144  };
 145   //================================================================
 146
 147   //vtkCxxRevisionMacro(ImagePlanes::VtkCallbackType, "$Revision: 1.38 $");
 148
 149   //================================================================
 150
 151    BBTK_ADD_BLACK_BOX_TO_PACKAGE(vtk,ImagePlanes)
 152    BBTK_BLACK_BOX_IMPLEMENTATION(ImagePlanes,bbtk::AtomicBlackBox);
 153
 154    void ImagePlanes::bbUserSetDefaultValues()
 155    {
 156      bbSetOutputPlaneX(NULL);
 157      bbSetOutputPlaneY(NULL);
 158      bbSetOutputPlaneZ(NULL);
 159      bbSetOutputImageX(NULL);
 160      bbSetOutputImageY(NULL);
 161      bbSetOutputImageZ(NULL);
 162      bbSetInputIn(NULL);
 163      std::vector<double> vect;
 164      vect.push_back(0);
 165      vect.push_back(0);
 166      bbSetInputWindowLevel (vect);
 167      mVtkCallback = 0;
 168
 169      std::vector<int> vectpoints;
 170
 171      bbSetOutputPlane3Pts(0);
 172      bbSetOutputImage3Pts(0);
 173      bbSetInputPointsX(vectpoints);
 174      bbSetInputPointsY(vectpoints);
 175      bbSetInputPointsZ(vectpoints);
 176
 177      _imageReslicer = NULL;
 178      image          = NULL;
 179      _transform     = NULL;
 180      _matrix        = NULL;
 181
 182            bbSetInputInterpolation(1);
 183    }
 184
 185
 186    void ImagePlanes::bbUserInitializeProcessing()
 187    {
 188      /// CREATION DES WIDGETS
 189      if (bbGetOutputPlaneX() != 0) return;
 190
 191      // The shared picker enables us to use 3 planes at one time
 192      // and gets the picking order right
 193      vtkCellPicker* picker = vtkCellPicker::New();
 194      picker->SetTolerance(0.005);
 195
 196      // The 3 image plane widgets
 197      vtkImagePlaneWidget* planeWidgetX = GetPlaneWidget('x', 1, 0, 0, picker);
 198      vtkImagePlaneWidget* planeWidgetY = GetPlaneWidget('y', 1, 1, 0, picker);
 199      planeWidgetY->SetLookupTable(planeWidgetX->GetLookupTable());
 200
 201      vtkImagePlaneWidget* planeWidgetZ = GetPlaneWidget('z', 0, 0, 1, picker);
 202      planeWidgetZ->SetLookupTable(planeWidgetX->GetLookupTable());
 203
 204      vtkImagePlaneWidget* planeWidget3Pts = GetPlaneWidget('3', 0, 1, 1, picker);
 205      planeWidget3Pts->SetLookupTable(planeWidgetX->GetLookupTable());
 206
 207            // EED MPR view orientation correction..
 208      vtkImageFlip  *flipYFilter = vtkImageFlip::New();
 209      flipYFilter->SetFilteredAxis(1); // flip y axis
 210
 211 //EED 2017-01-01 Migration VTK7
 212 #if (VTK_MAJOR_VERSION <= 5)
 213      flipYFilter->SetInput( planeWidgetX->GetResliceOutput() );
 214 #endif
 215 #if (VTK_MAJOR_VERSION >= 6)
 216      flipYFilter->SetInputData( planeWidgetX->GetResliceOutput() );
 217 #endif
 218
 219      flipYFilter->Update();
 220
 221            vtkImageChangeInformation *image = vtkImageChangeInformation::New();
 222
 223 //EED 2017-01-01 Migration VTK7
 224 #if (VTK_MAJOR_VERSION <= 5)
 225            image->SetInput(  planeWidgetY->GetResliceOutput()  );
 226 #endif
 227 #if (VTK_MAJOR_VERSION >= 6)
 228            image->SetInputData(  planeWidgetY->GetResliceOutput()  );
 229 #endif
 230
 231            image->SetOutputSpacing( 1,1,1 );
 232            image->CenterImageOn();
 233            image->Update();
 234            _imageTransform = vtkTransform::New();
 235            vtkImageReslice *slicer =vtkImageReslice::New();
 236
 237 //EED 2017-01-01 Migration VTK7
 238 #if (VTK_MAJOR_VERSION <= 5)
 239            slicer->SetInput( image->GetOutput() );
 240 #endif
 241 #if (VTK_MAJOR_VERSION >= 6)
 242            slicer->SetInputData( image->GetOutput() );
 243 #endif
 244
 245            slicer->SetInformationInput( image->GetOutput() );
 246            slicer->SetResliceTransform( _imageTransform );
 247            slicer->SetOutputOrigin(0 , 0 , 0 );
 248            slicer->SetInterpolationModeToNearestNeighbor();
 249            slicer->Update();
 250            vtkImageChangeInformation *imageResult = vtkImageChangeInformation::New();
 251
 252 //EED 2017-01-01 Migration VTK7
 253 #if (VTK_MAJOR_VERSION <= 5)
 254            imageResult->SetInput( slicer->GetOutput() );
 255 #endif
 256 #if (VTK_MAJOR_VERSION >= 6)
 257            imageResult->SetInputData( slicer->GetOutput() );
 258 #endif
 259
 260            double spc[3];
 261             planeWidgetY->GetResliceOutput()->GetSpacing(spc);
 262            imageResult->SetOutputSpacing( spc[1], spc[0], spc[2] );
 263            imageResult->SetOutputOrigin( 0,0,0 );
 264
 265
 266      bbSetOutputPlaneX(planeWidgetX);
 267      bbSetOutputPlaneY(planeWidgetY);
 268      bbSetOutputPlaneZ(planeWidgetZ);
 269      bbSetOutputPlane3Pts(planeWidget3Pts);
 270      bbSetOutputImageX( flipYFilter->GetOutput() );             // EED MPR view orientation correction..
 271      bbSetOutputImageY( imageResult->GetOutput() );                     // EED MPR view orientation correction..
 272      bbSetOutputImageZ(planeWidgetZ->GetResliceOutput());
 273      bbSetInputInteractor(0);
 274      //bbSetOutputImage3Pts(planeWidget3Pts->GetResliceOutput());
 275
 276          if(picker != 0)
 277      {
 278                 picker->UnRegister(NULL);
 279          }
 280
 281      mVtkCallback = VtkCallbackType::New();
 282      mVtkCallback->SetBlackBox(this);
 283      planeWidgetX->AddObserver(vtkCommand::InteractionEvent,mVtkCallback);
 284      planeWidgetY->AddObserver(vtkCommand::InteractionEvent,mVtkCallback);
 285      planeWidgetZ->AddObserver(vtkCommand::InteractionEvent,mVtkCallback);
 286
 287    }
 288
 289 //---------------------------------------------------------------------
 290   void ImagePlanes::bbUserFinalizeProcessing()
 291   {
 292
 293     if (bbGetOutputPlaneX())
 294       {
 295
 296         /*
 297           bbGetOutputPlaneX()->RemoveObserver(mVtkCallback);
 298           bbGetOutputPlaneY()->RemoveObserver(mVtkCallback);
 299           bbGetOutputPlaneZ()->RemoveObserver(mVtkCallback);
 300
 301         bbGetOutputPlaneX()->Delete();
 302         bbGetOutputPlaneY()->Delete();
 303         bbGetOutputPlaneZ()->Delete();
 304         mVtkCallback->Delete();
 305         */
 306         //bbGetOutputPlaneX()->SetInput(NULL);
 307         //bbGetOutputPlaneY()->SetInput(NULL);
 308         //bbGetOutputPlaneZ()->SetInput(NULL);
 309
 310       }
 311   }
 312
 313 //---------------------------------------------------------------------
 314   void ImagePlanes::Process()
 315   {
 316
 317         if (bbGetInputIn()!=0)
 318         {
 319                 int dim[3];
 320                 int ext[6];
 321 //EED 2017-01-01 Migration VTK7
 322 #if (VTK_MAJOR_VERSION <= 5)
 323                 bbGetOutputPlaneX()->GetResliceOutput()->GetWholeExtent(ext);
 324 #endif
 325 #if (VTK_MAJOR_VERSION >= 6)
 326                 bbGetOutputPlaneX()->GetResliceOutput()->GetExtent(ext);
 327 #endif
 328
 329                 dim[0] = ext[1]-ext[0]+1;
 330                 dim[1] = ext[3]-ext[2]+1;
 331                 dim[2] = ext[5]-ext[4]+1;
 332                 _imageTransform->Identity();
 333                 _imageTransform->PostMultiply();
 334                 _imageTransform->Translate( (int)(-(dim[0]/2)) , (int)(-(dim[1]/2)) ,0);
 335                 _imageTransform->RotateZ(90);
 336
 337
 338                 if ( image != bbGetInputIn()){//bbGetInputStatus("In") != bbtk::UPTODATE ){
 339                         // Input image has changed : reinitialize planes
 340                         image = bbGetInputIn();
 341
 342                         // Initial values : center of the volume (in real world, not in pixels!)
 343                         int xMin, xMax, yMin, yMax, zMin, zMax;
 344                         bbGetInputIn()->GetExtent(xMin, xMax, yMin, yMax, zMin, zMax);
 345                         double xSpacing, ySpacing, zSpacing;
 346                         bbGetInputIn()->GetSpacing(xSpacing, ySpacing, zSpacing);
 347
 348 //EED 2017-01-01 Migration VTK7
 349 #if (VTK_MAJOR_VERSION <= 5)
 350                         bbGetOutputPlaneX()->SetInput(bbGetInputIn());
 351 #endif
 352 #if (VTK_MAJOR_VERSION >= 6)
 353                         bbGetOutputPlaneX()->SetInputData(bbGetInputIn());
 354 #endif
 355
 356                         bbGetOutputPlaneX()->SetPlaneOrientationToXAxes();
 357                         bbGetOutputPlaneX()->SetSlicePosition((xMax+xMin)/2.*xSpacing);
 358
 359                         //                 bbGetOutputPlaneX()->SetOrigin( 58*xSpacing , 80*ySpacing , 82*zSpacing );
 360                         //                 bbGetOutputPlaneX()->SetPoint1( 0*xSpacing, 146*ySpacing, 186*zSpacing);
 361                         //                 bbGetOutputPlaneX()->SetPoint2( 126*xSpacing, 146*ySpacing, 0*zSpacing);
 362
 363 //EED 2017-01-01 Migration VTK7
 364 #if (VTK_MAJOR_VERSION <= 5)
 365                         bbGetOutputPlaneY()->SetInput(bbGetInputIn());
 366 #endif
 367 #if (VTK_MAJOR_VERSION >= 6)
 368                         bbGetOutputPlaneY()->SetInputData(bbGetInputIn());
 369 #endif
 370
 371                         bbGetOutputPlaneY()->SetPlaneOrientationToYAxes();
 372                         bbGetOutputPlaneY()->SetSlicePosition((yMax+yMin)/2.*ySpacing);
 373
 374 //EED 2017-01-01 Migration VTK7
 375 #if (VTK_MAJOR_VERSION <= 5)
 376                         bbGetOutputPlaneZ()->SetInput(bbGetInputIn());
 377 #endif
 378 #if (VTK_MAJOR_VERSION >= 6)
 379                         bbGetOutputPlaneZ()->SetInputData(bbGetInputIn());
 380 #endif
 381
 382                         bbGetOutputPlaneZ()->SetPlaneOrientationToZAxes();
 383                         bbGetOutputPlaneZ()->SetSlicePosition((zMax+zMin)/2.*zSpacing);
 384
 385                         if (bbGetInputWindowLevel()[0]!=0)
 386                         {
 387                                 bbGetOutputPlaneZ()->SetWindowLevel(bbGetInputWindowLevel()[0],
 388                                                                 bbGetInputWindowLevel()[1]);
 389                         } else {
 390                                 double *range = image->GetScalarRange();
 391                                 bbGetOutputPlaneZ()->SetWindowLevel(range[1]-range[0],
 392                                                                0.5*(range[1]+range[0]));
 393                         } // windowlevel
 394                         updateInteractor();
 395
 396                         dim[0] = xMax-xMin+1;
 397                         dim[1] = yMax-yMin+1;
 398                         dim[2] = zMax-zMin+1;
 399                         _imageTransform->Identity();
 400                         _imageTransform->PostMultiply();
 401                         _imageTransform->Translate( (int)(-(dim[0]/2)*(1/xSpacing)) , (int)(-(dim[2]/2)*(1/zSpacing)) ,0);
 402                         _imageTransform->RotateZ(90);
 403
 404            } // image
 405
 406                         // UPDATE DES SORTIES
 407                 bbGetOutputPlaneX()->SetResliceInterpolate( bbGetInputInterpolation() );
 408                 bbGetOutputPlaneY()->SetResliceInterpolate( bbGetInputInterpolation() );
 409                 bbGetOutputPlaneZ()->SetResliceInterpolate( bbGetInputInterpolation() );
 410
 411
 412 //EED 2017-01-01 Migration VTK7
 413 #if (VTK_MAJOR_VERSION <= 5)
 414                 bbGetOutputPlaneX()->GetResliceOutput()->Update();
 415                 bbGetOutputPlaneY()->GetResliceOutput()->Update();
 416                 bbGetOutputPlaneZ()->GetResliceOutput()->Update();
 417 #endif
 418 #if (VTK_MAJOR_VERSION >= 6)
 419                 // ...
 420 #endif
 421
 422                 std::vector<int> pointsx = bbGetInputPointsX();
 423                 std::vector<int> pointsy = bbGetInputPointsY();
 424                 std::vector<int> pointsz = bbGetInputPointsZ();
 425
 426                 //std::cout<<pointsx.size()<<pointsy.size()<<pointsz.size()<<std::endl;
 427
 428                 if (pointsx.size()==pointsy.size() && pointsx.size()==pointsz.size()&&pointsx.size()>=3)
 429                 {
 430
 431                         //Get the corresponding three points out of the vectors
 432                         double origin[3];
 433                         origin[0]                       = pointsx[0];
 434                         origin[1]                       = pointsy[0];
 435                         origin[2]                       = pointsz[0];
 436
 437                         double point1[3];
 438                         point1[0]                       = pointsx[1];
 439                         point1[1]                       = pointsy[1];
 440                         point1[2]                       = pointsz[1];
 441                         double point2[3];
 442                         point2[0]                       = pointsx[2];
 443                         point2[1]                       = pointsy[2];
 444                         point2[2]                       = pointsz[2];
 445
 446                         //With the three points we create the corresponding X, Y and Z vectors all orthogonal to each other
 447                         double* vect1           = getNormal(makeVector(origin, point1));
 448                         double* vect2           = getNormal(makeVector(origin, point2));
 449                         double* crossp          = getCrossProduct(vect1, vect2);
 450
 451                         double *newx            = getCrossProduct(vect2, crossp);
 452
 453                         int ext[6],factor       =       0;
 454                         bbGetInputIn()->GetExtent(ext);
 455
 456                         factor = ext[0]<ext[3]? ext[3] : ext[0];
 457                         factor = factor<ext[5]? ext[5] : factor;
 458
 459         //for the plane widgets
 460                         vtkImagePlaneWidget* plane3pts = (vtkImagePlaneWidget*)bbGetOutputPlane3Pts();
 461
 462 //EED 2017-01-01 Migration VTK7
 463 #if (VTK_MAJOR_VERSION <= 5)
 464                         plane3pts->SetInput(bbGetInputIn());
 465 #endif
 466 #if (VTK_MAJOR_VERSION >= 6)
 467                         plane3pts->SetInputData(bbGetInputIn());
 468 #endif
 469
 470                         double xSpacing, ySpacing, zSpacing;
 471                         bbGetInputIn()->GetSpacing(xSpacing, ySpacing, zSpacing);
 472                         plane3pts->SetOrigin(pointsx[0]*xSpacing,pointsy[0]*ySpacing,pointsz[0]*zSpacing);
 473                         plane3pts->SetPoint1((origin[0]+newx[0]*factor)*xSpacing,
 474                                                                         (origin[1]+newx[1]*factor)*ySpacing,
 475                                                                         (origin[2]+newx[2]*factor)*zSpacing);
 476                         plane3pts->SetPoint2((origin[0]+vect2[0]*factor)*xSpacing,
 477                                                                         (origin[1]+vect2[1]*factor)*ySpacing,
 478                                                                         (origin[2]+vect2[2]*factor)*zSpacing);
 479
 480 //EED 2017-01-01 Migration VTK7
 481 #if (VTK_MAJOR_VERSION <= 5)
 482                         plane3pts->GetResliceOutput()->Update();
 483 #endif
 484 #if (VTK_MAJOR_VERSION >= 6)
 485                         // ..
 486 #endif
 487
 488 //To get the slice of image out of the selected volume
 489                         if (_imageReslicer==NULL)
 490                         {
 491                                 _imageReslicer = vtkImageReslice::New();
 492                                 _imageReslicer->SetOutputDimensionality(2);
 493                                 _transform = vtkTransform::New();
 494                                 _matrix = vtkMatrix4x4::New();
 495                         } // if
 496                         _imageReslicer->SetInterpolationMode( bbGetInputInterpolation() );
 497
 498 //EED 2017-01-01 Migration VTK7
 499 #if (VTK_MAJOR_VERSION <= 5)
 500                         _imageReslicer->SetInput( bbGetInputIn() );
 501 #endif
 502 #if (VTK_MAJOR_VERSION >= 6)
 503                         _imageReslicer->SetInputData( bbGetInputIn() );
 504 #endif
 505
 506
 507                         _imageReslicer->SetInformationInput(bbGetInputIn());
 508                         //fill out the information with the created vectors and using the spacing of the image
 509                         _imageReslicer->SetResliceAxesDirectionCosines(newx[0]*xSpacing,newx[1]*xSpacing,newx[2]*xSpacing,
 510                                                                         vect2[0]*ySpacing,vect2[1]*ySpacing,vect2[2]*ySpacing,
 511                                                                         crossp[0]*zSpacing,crossp[1]*zSpacing,crossp[2]*zSpacing);
 512                         _imageReslicer->SetResliceAxesOrigin(origin[0]*xSpacing,origin[1]*ySpacing,origin[2]*zSpacing);
 513
 514
 515 //EED 2017-01-01 Migration VTK7
 516 #if (VTK_MAJOR_VERSION <= 5)
 517                         _imageReslicer->GetOutput()->Update();
 518                         _imageReslicer->GetOutput()->UpdateInformation();
 519 #endif
 520 #if (VTK_MAJOR_VERSION >= 6)
 521                         _imageReslicer->Update();
 522 #endif
 523
 524
 525
 526                         bbSetOutputImage3Pts(_imageReslicer->GetOutput());
 527
 528                         _matrix->Identity();
 529
 530                         _matrix->SetElement(0,0,newx[0]*xSpacing);
 531                         _matrix->SetElement(1,0,newx[1]*xSpacing);
 532                         _matrix->SetElement(2,0,newx[2]*xSpacing);
 533                         _matrix->SetElement(0,1,vect2[0]*ySpacing);
 534                         _matrix->SetElement(1,1,vect2[1]*ySpacing);
 535                         _matrix->SetElement(2,1,vect2[2]*ySpacing);
 536                         _matrix->SetElement(0,2,crossp[0]*zSpacing);
 537                         _matrix->SetElement(1,2,crossp[1]*zSpacing);
 538                         _matrix->SetElement(2,2,crossp[2]*zSpacing);
 539                         _matrix->SetElement(0,3,origin[0]*xSpacing);
 540                         _matrix->SetElement(1,3,origin[1]*ySpacing);
 541                         _matrix->SetElement(2,3,origin[2]*zSpacing);
 542
 543                         _transform->SetMatrix(_matrix);
 544
 545                         //set the transformation out to be used by other bbBoxes
 546                         bbSetOutputTransform3Pts((vtkLinearTransform*)_transform);
 547                 }       // pointsx pointsy  pointsz
 548         } // bbGetInputIn
 549   }
 550
 551         void ImagePlanes::updateInteractor()
 552         {
 553                 vtkRenderWindowInteractor* interactor = bbGetInputInteractor();
 554                 if(interactor)
 555                 {
 556                         bbGetOutputPlaneX()->SetInteractor(interactor);
 557                         bbGetOutputPlaneX()->EnabledOn();
 558                         bbGetOutputPlaneY()->SetInteractor(interactor);
 559                         bbGetOutputPlaneY()->EnabledOn();
 560                         bbGetOutputPlaneZ()->SetInteractor(interactor);
 561                         bbGetOutputPlaneZ()->EnabledOn();
 562                         bbGetOutputPlane3Pts()->SetInteractor(interactor);
 563                         bbGetOutputPlane3Pts()->EnabledOn();
 564                 } // if
 565         }
 566
 567         //-----------------------------------------------------------------
 568         void vtkImageDataPointerRelay::bbUserSetDefaultValues()
 569         {
 570
 571         }
 572
 573         //-----------------------------------------------------------------
 574   void vtkImageDataPointerRelay::bbUserInitializeProcessing()
 575         {
 576         }
 577
 578         //-----------------------------------------------------------------
 579   void vtkImageDataPointerRelay::bbUserFinalizeProcessing()
 580         {
 581         }
 582
 583   vtkImagePlaneWidget* ImagePlanes::GetPlaneWidget(unsigned char activationkey, double r, double g, double b, vtkCellPicker* picker)
 584   {
 585                 vtkProperty* prop1 = 0;
 586                 vtkImagePlaneWidget* planeWidget = 0;
 587
 588                 planeWidget = vtkImagePlaneWidget::New();
 589                 planeWidget->DisplayTextOn();
 590                 planeWidget->SetPicker(picker);
 591                 planeWidget->SetKeyPressActivationValue(activationkey);
 592                 prop1 = planeWidget->GetPlaneProperty();
 593                 prop1->SetColor(r, g, b);
 594
 595                 return planeWidget;
 596   }
 597
 598   double* ImagePlanes::getCrossProduct(double* vect0,double* vect1){
 599         double* vectCross;
 600         vectCross = new double[3];
 601         vectCross[0] = vect0[1]*vect1[2]-(vect0[2]*vect1[1]);
 602         vectCross[1] = -(vect0[0]*vect1[2]-(vect0[2]*vect1[0]));
 603         vectCross[2] = vect0[0]*vect1[1]-(vect0[1]*vect1[0]);
 604
 605         return vectCross;
 606   }
 607 /**
 608 **      Returns the magnitud of the given vector
 609 **/
 610   double ImagePlanes::getMagnitud(double* vect){
 611
 612         double mag;
 613         mag = sqrt(pow(vect[0],2) + pow(vect[1],2) + pow(vect[2],2));
 614         //std::cout<<"mag "<<mag <<std::endl;
 615         return mag;
 616   }
 617 /**
 618 **      returns the unitary vector of the given vector
 619 **      u = 1/|vect| . vect
 620 **/
 621   double* ImagePlanes::getNormal(double* vect){
 622
 623         double* vectnorm;
 624         double mag = getMagnitud(vect);
 625
 626         vectnorm = new double[3];
 627
 628         if(mag!=0){
 629                 vectnorm[0] = vect[0]/mag;
 630                 vectnorm[1] = vect[1]/mag;
 631                 vectnorm[2] = vect[2]/mag;
 632         }else{
 633                 vectnorm[0] = 0;
 634                 vectnorm[1] = 0;
 635                 vectnorm[2] = 0;
 636         }
 637
 638         return vectnorm;
 639   }
 640
 641   double* ImagePlanes::makeVector(double podouble0[3], double podouble1[3]){
 642         double *vect;
 643         vect = new double[3];
 644
 645         vect[0]= podouble1[0]-podouble0[0];
 646         vect[1]= podouble1[1]-podouble0[1];
 647         vect[2]= podouble1[2]-podouble0[2];
 648
 649         return vect;
 650   }
 651
 652 }//namespace bbtk
 653
 654 #endif // _USE_VTK_