changes in viewers, now is possible to initialize them with out an image but the...

[creaMaracasVisu.git] / lib / maracasVisuLib / src / interface / wxWindows / widgets / wxVtk2DBaseView.cxx

diff --git a/lib/maracasVisuLib/src/interface/wxWindows/widgets/wxVtk2DBaseView.cxx b/lib/maracasVisuLib/src/interface/wxWindows/widgets/wxVtk2DBaseView.cxx
index b587d760697b15c38da2f51ba2d7e1e8786e17b9..eba5e3e48aac346dce4f9862e18b638a2ab05bde 100644 (file)
--- a/lib/maracasVisuLib/src/interface/wxWindows/widgets/wxVtk2DBaseView.cxx
+++ b/lib/maracasVisuLib/src/interface/wxWindows/widgets/wxVtk2DBaseView.cxx
@@ -33,7 +33,16 @@ void wxVtk2DBaseView::TransformCoordinate_spacing_ViewToModel(double &X,double &
 //EEDx5
        double spc[3];
 //     GetVtkBaseData()->GetImageData()->GetSpacing(spc);
-       this->_imageViewer2XYZ->GetVtkImageViewer2()->GetInput()->GetSpacing(spc);
+//JCP 04/08/10 W/O Image this->_imageViewer2XYZ->GetVtkImageViewer2()->GetInput()->GetSpacing(spc);
+       vtkImageData* image = this->_imageViewer2XYZ->GetVtkImageViewer2()->GetInput();
+       if(image){
+               image->GetSpacing(spc);
+       }else{
+               spc[0] = 1;
+               spc[1] = 1;
+               spc[2] = 1;
+       }
+       
 
        X = X / spc[0];
        Y = Y / spc[1];
@@ -47,8 +56,16 @@ void wxVtk2DBaseView::TransformCoordinate_spacing_ModelToView(double &X,double &
 //EEDx5
        double spc[3];
 //     GetVtkBaseData()->GetImageData()->GetSpacing(spc);
-       this->_imageViewer2XYZ->GetVtkImageViewer2()->GetInput()->GetSpacing(spc);
-
+//JCP 04/08/10 W/O Image this->_imageViewer2XYZ->GetVtkImageViewer2()->GetInput()->GetSpacing(spc);
+       vtkImageData* image = this->_imageViewer2XYZ->GetVtkImageViewer2()->GetInput();
+       if(image){
+               image->GetSpacing(spc);
+       }else{
+               spc[0] = 1;
+               spc[1] = 1;
+               spc[2] = 1;
+       }
+//
        X=X*spc[0];
        Y=Y*spc[1];
        Z=Z*spc[2];
@@ -58,19 +75,22 @@ void wxVtk2DBaseView::TransformCoordinate_spacing_ModelToView(double &X,double &
 //-------------------------------------------------------------------
 void wxVtk2DBaseView::ResetView()
 {
-       double spx,spy,spz;
-       int x1,x2,y1,y2,z1,z2;
+       double spx = 0,spy = 0,spz = 0;
+       int x1 = 1,x2 = 1,y1 = 1,y2 = 1,z1 = 1,z2 = 1;
        wxVtkBaseView::Configure();
        
        wxVTKRenderWindowInteractor *iren = GetWxVTKRenderWindowInteractor();
        vtkImageData *imageData = GetVtkBaseData()->GetImageData();
-       imageData->UpdateInformation();
-       imageData->SetUpdateExtent( imageData->GetWholeExtent());
-       imageData->Update();
+       if(imageData){
+               imageData->UpdateInformation();
+               imageData->SetUpdateExtent( imageData->GetWholeExtent());
+               imageData->Update();
+               _imageViewer2XYZ->GetVtkImageViewer2()->SetInput(imageData );
+               imageData->GetSpacing (spx,spy,spz);
+               imageData->GetExtent (x1,x2,y1,y2,z1,z2);
+       }
 
-       _imageViewer2XYZ->GetVtkImageViewer2()->SetInput(imageData );
-       imageData->GetSpacing (spx,spy,spz);
-       imageData->GetExtent (x1,x2,y1,y2,z1,z2);
+       
        _imageViewer2XYZ -> SetExtentDimension(x1,x2,y1,y2,z1,z2);
        _imageViewer2XYZ -> GetVtkImageViewer2()->SetupInteractor ( iren );
 
@@ -276,7 +296,13 @@ vtkRenderWindow* wxVtk2DBaseView::GetRenWin()              // virtual
 void wxVtk2DBaseView::GetSpacing(double spc[3])  // virtual
 {
    vtkImageData *imageData     = GetVtkBaseData()->GetImageData();
-   imageData->GetSpacing(spc);
+   if(imageData){
+       imageData->GetSpacing(spc);
+   }else{
+        spc[0] = 0; 
+        spc[1] = 0;
+        spc[2] = 0;
+   }
 }
 
 void wxVtk2DBaseView::setColorTransferFunction(vtkColorTransferFunction* colortable){