+ 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);
+ }
+