bbwxvtk::Viewer2DWidget Class Reference

#include <bbwxvtkViewer2D.h>

Collaboration diagram for bbwxvtk::Viewer2DWidget:

Collaboration graph
[legend]

List of all members.

Public Member Functions

 Viewer2DWidget (Viewer2D *box, wxWindow *parent)
 ~Viewer2DWidget ()
void UpdateView ()
vtkRenderer * GetRenderer ()

Private Attributes

Viewer2D * mBox
vtkImageViewer2 * imageViewer
vtkImageData * backImageData
vtkImageData * mDefaultImage
wxVTKRenderWindowInteractor * wxvtkrenderwindowinteractor
bool mUpdateCamera
vtkImplicitPlaneWidget * maPlane1
vtkImplicitPlaneWidget * maPlane2
vtkImplicitPlaneWidget * mbPlane1
vtkImplicitPlaneWidget * mbPlane2

Detailed Description

Definition at line 55 of file bbwxvtkViewer2D.h.

Constructor & Destructor Documentation

bbwxvtk::Viewer2DWidget::Viewer2DWidget ( Viewer2D *  box,
wxWindow *  parent 
)

Definition at line 45 of file bbwxvtkViewer2D.cxx.

References backImageData, imageViewer, mDefaultImage, mUpdateCamera, bbwxvtk::wxVTKRenderWindowInteractor::Refresh(), bbwxvtk::wxVTKRenderWindowInteractor::Render(), and wxvtkrenderwindowinteractor.

00047     :  
00048     wxPanel( parent, -1, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL),
00049     mBox(box)
00050   {
00051     wxPanel *panel      = this;
00052 
00053     wxvtkrenderwindowinteractor = new wxVTKRenderWindowInteractor(panel,-1);
00054     wxvtkrenderwindowinteractor->UseCaptureMouseOn();   
00055 
00056     imageViewer = vtkImageViewer2::New();
00057     imageViewer->SetSlice( 1 );
00058     imageViewer->SetupInteractor ( wxvtkrenderwindowinteractor );
00059     
00060     mDefaultImage = vtkImageData::New();
00061     int dim[3];
00062     dim[0] = dim[1] = 32 ; 
00063     dim[2] = 2; 
00064     mDefaultImage->SetDimensions ( dim );
00065     mDefaultImage->SetSpacing(1,1,1);
00066     mDefaultImage->SetExtent(0,dim[0]-1,0,dim[1]-1,0,dim[2]-1);
00067     mDefaultImage->SetWholeExtent(0,dim[0]-1,0,dim[1]-1,0,dim[2]-1);
00068 
00069     mDefaultImage->SetScalarTypeToUnsignedChar();
00070     mDefaultImage->AllocateScalars();    
00071     for (int i=0;i<dim[0];i++) 
00072       for (int j=0;j<dim[1];j++) 
00073         for (int k=0;k<dim[2];k++) 
00074         mDefaultImage->SetScalarComponentFromFloat(i,j,k,0,0);
00075 
00076     for (int i=0;i<dim[0];i++) 
00077         {
00078           mDefaultImage->SetScalarComponentFromFloat(dim[0]-i-1,i,0,0,255);
00079           mDefaultImage->SetScalarComponentFromFloat(i,i,1,0,255);
00080         }
00081 
00082     backImageData = mDefaultImage;
00083     imageViewer->SetInput( backImageData );
00084     mUpdateCamera = true;
00085 
00086     wxBoxSizer *sizer = new wxBoxSizer(wxVERTICAL);
00087     sizer-> Add( wxvtkrenderwindowinteractor , 1, wxEXPAND, 0);
00088     panel-> SetSizer(sizer);
00089     panel-> SetAutoLayout(true);
00090     panel-> Layout();
00091 
00092 
00093     wxvtkrenderwindowinteractor->Refresh();
00094     wxvtkrenderwindowinteractor->Render();
00095     imageViewer->GetRenderer()->ResetCameraClippingRange();
00096 
00097   
00098   }

bbwxvtk::Viewer2DWidget::~Viewer2DWidget (  ) 

Definition at line 101 of file bbwxvtkViewer2D.cxx.

References backImageData, imageViewer, mDefaultImage, and wxvtkrenderwindowinteractor.

00102   {
00103     //    delete wxvtkrenderwindowinteractor;
00104     // pourquoi pas wxvtkrenderwindowinteractor->Delete(); // JP
00105     // LG : because it has been allocated with operator new not method ::New 
00106     // we want to force its destruction without taking care of vtk ref counting
00107     // on the contrary the following vtk objects are deleted with vtk Delete
00108     //    std::cout << "Viewer2DWidget::~Viewer2DWidget()" << std::endl;
00109     mDefaultImage->Delete();
00110 
00111     if (backImageData)
00112       {
00113         //      backImageData->UnRegister(NULL);
00114       }
00115     if (imageViewer) 
00116       {
00117         imageViewer->Delete();
00118       }
00119     delete wxvtkrenderwindowinteractor;
00120     //    std::cout << "Viewer2DWidget::~Viewer2DWidget() OK" << std::endl;
00121   }

Member Function Documentation

void bbwxvtk::Viewer2DWidget::UpdateView (  ) 

Definition at line 128 of file bbwxvtkViewer2D.cxx.

References backImageData, imageViewer, mBox, mDefaultImage, mUpdateCamera, bbwxvtk::wxVTKRenderWindowInteractor::Render(), and wxvtkrenderwindowinteractor.

00129   {
00130     //    std::cout << "Viewer2DWidget::UpdateView() "<<mBox->bbGetFullName() << std::endl;
00131     //   std::cout << "slice="<<mBox->bbGetInputSlice()<<std::endl;
00132 
00133 
00134     if ( ( mBox->bbGetInputIn() == NULL ) &&
00135          ( backImageData != mDefaultImage ) )
00136       {
00137         backImageData = mDefaultImage;
00138         mUpdateCamera = true;
00139       }
00140     else if ( ( mBox->bbGetInputIn() != NULL ) && 
00141               (backImageData != mBox->bbGetInputIn()) ) 
00142       {
00143         backImageData = mBox->bbGetInputIn();
00144         backImageData->Update();
00145         imageViewer->SetInput( backImageData );
00146         mUpdateCamera = true;
00147       }
00148 
00149     if (mUpdateCamera)
00150       {
00151         int x1,x2,y1,y2,z1,z2;
00152         double spx,spy,spz;
00153         backImageData->GetSpacing(spx,spy,spz);
00154         backImageData->GetExtent (x1,x2,y1,y2,z1,z2);
00155         
00156         //      bbtkMessage("Output",2,"Viewer2D '"<<mBox->bbGetName()<<"' - Image :"<<std::endl);
00157         //      std::cout << " extent  = "<< x1<<"-"<<x2<<" x "<<y1<<"-"<<y2<<" x "<<z1<<"-"<<z2<<std::endl;
00158         //      std::cout << " spacing = "<<spx << " - "<< spy << " - "<<spz<<std::endl;
00159         
00160         vtkCamera *camera = imageViewer->GetRenderer()->GetActiveCamera();
00161 
00162         camera->SetViewUp    ( spx*0,         -spy*1,        spz*0 );
00163         camera->SetPosition  ( spx*(x1+x2)/2, spy*(y1+y2)/2, -spz*10000000 ); 
00164         camera->SetFocalPoint( spx*(x1+x2)/2, spy*(y1+y2)/2, spz*0 ); 
00165 
00166         camera->ComputeViewPlaneNormal();
00167         camera->SetParallelScale(  spx*(x2-x1)/2.0 );
00168         //   
00169         //      imageViewer->GetRenderer()->ResetCamera(x1,x2,y1,y2,z1,z2);
00170         mUpdateCamera = false;
00171       }
00172   
00173     //  std::cout << "OW = "<< mBox->bbGetWindow() << std::endl;
00174     //  std::cout << "CW = "<< mBox->bbGetContainingWindow() << std::endl;
00175     //  std::cout << "Sh = "<< mBox->bbIsShown() << std::endl;
00176     
00177     int orientation = mBox->bbGetInputOrientation();
00178     if (orientation<0 || orientation>2)
00179        orientation=2; // Why not?      
00180 
00181     // mBox->bbIsShown() is necessary to be sure that the wxWindow is already 
00182     // created and displayed. 
00183     // Else when slice != 0 we get an X Window System error with wxGTK
00184     if (
00185         (backImageData!=NULL)&&
00186         (mBox->bbIsShown()))
00187     {
00188                 int z = mBox->bbGetInputSlice();
00189                 //      std::cout << "slice = "<<z<<std::endl;
00190                 int ext[6];
00191                 backImageData->GetWholeExtent(ext);
00192 
00193                 //      std::cout << "ext = "<<ext[4]<<" - "<<ext[5]<<std::endl;
00194 
00195             switch(orientation){
00196                case 0:
00197                 if (z<ext[0]) { z=ext[0]; }
00198                 if (z>ext[1]) { z=ext[1]; }
00199                  
00200                 break;
00201                                    
00202                case 1:
00203                 if (z<ext[2]) { z=ext[2]; }
00204                 if (z>ext[3]) { z=ext[3]; }
00205                 break;
00206                                                     
00207                case 2:
00208                 if (z<ext[4]) { z=ext[4]; }
00209                 if (z>ext[5]) { z=ext[5]; }
00210                 break;
00211                 
00212               default:
00213                 z = ext[5]; // Why not?
00214            }
00215 
00216             wxvtkrenderwindowinteractor->Update();
00217             wxvtkrenderwindowinteractor->Render();
00218             imageViewer->GetRenderer()->ResetCameraClippingRange();
00219             
00220 /*
00221         #if (VTK_MAJOR_VERSION >= 5)
00222                 imageViewer->SetSlice( z );
00223         #else
00224                 imageViewer->SetZSlice( z );
00225         #endif
00226 */
00227            imageViewer->SetSliceOrientation (orientation);
00228            imageViewer->SetSlice( z );
00229                 
00230                 //imageViewer->UpdateDisplayExtent();
00231   } 
00232 
00233 
00234 }

vtkRenderer * bbwxvtk::Viewer2DWidget::GetRenderer (  ) 

Definition at line 237 of file bbwxvtkViewer2D.cxx.

References imageViewer.

00238   {
00239           return imageViewer->GetRenderer();
00240   }

Member Data Documentation

Viewer2D* bbwxvtk::Viewer2DWidget::mBox [private]

Definition at line 63 of file bbwxvtkViewer2D.h.

Referenced by UpdateView().

vtkImageViewer2* bbwxvtk::Viewer2DWidget::imageViewer [private]

Definition at line 64 of file bbwxvtkViewer2D.h.

Referenced by GetRenderer(), UpdateView(), Viewer2DWidget(), and ~Viewer2DWidget().

vtkImageData* bbwxvtk::Viewer2DWidget::backImageData [private]

Definition at line 65 of file bbwxvtkViewer2D.h.

Referenced by UpdateView(), Viewer2DWidget(), and ~Viewer2DWidget().

vtkImageData* bbwxvtk::Viewer2DWidget::mDefaultImage [private]

Definition at line 66 of file bbwxvtkViewer2D.h.

Referenced by UpdateView(), Viewer2DWidget(), and ~Viewer2DWidget().

wxVTKRenderWindowInteractor* bbwxvtk::Viewer2DWidget::wxvtkrenderwindowinteractor [private]

Definition at line 67 of file bbwxvtkViewer2D.h.

Referenced by UpdateView(), Viewer2DWidget(), and ~Viewer2DWidget().

bool bbwxvtk::Viewer2DWidget::mUpdateCamera [private]

Definition at line 68 of file bbwxvtkViewer2D.h.

Referenced by UpdateView(), and Viewer2DWidget().

vtkImplicitPlaneWidget* bbwxvtk::Viewer2DWidget::maPlane1 [private]

Definition at line 70 of file bbwxvtkViewer2D.h.

vtkImplicitPlaneWidget * bbwxvtk::Viewer2DWidget::maPlane2 [private]

Definition at line 70 of file bbwxvtkViewer2D.h.

vtkImplicitPlaneWidget * bbwxvtk::Viewer2DWidget::mbPlane1 [private]

Definition at line 70 of file bbwxvtkViewer2D.h.

vtkImplicitPlaneWidget * bbwxvtk::Viewer2DWidget::mbPlane2 [private]

Definition at line 70 of file bbwxvtkViewer2D.h.

The documentation for this class was generated from the following files:
Generated on Tue Oct 21 16:07:00 2008 for wxvtk by  doxygen 1.5.6