[vtkusers] SetAbortCheckMethod in VC++ doesn´t work!!!

[Lisa Sobierajski Avila]

Hello Jose,

Can you break on:

vis->GetParent())->SetAbortRender(1);


to be certain that your abort check method is being called, and that you 
are finding an event to cause the render to abort?

Lisa

At 05:58 AM 11/28/2001, Jose Manjon wrote:
>Hi there,
>
>I am trying to use SetAbortCheckMethod() in VC++ but no way.
>
>program runs OK but I can not interact with volume in any time until last 
>LOD is acheived (SetAbortCheckMethod doesn´t works)
>
>has anyone experience with this problem???
>
>how can I do it????
>
>jose
>
>The code is this:
>
>// Cheching abort
>
>void CheckAbort(void *arg)
>{
>   C3DView * vis=(C3DView *)arg;
>   int foo=((vtkRenderWindow*) vis->GetParent())->GetEventPending();
>   if(foo!=0) ((vtkRenderWindow*) vis->GetParent())->SetAbortRender(1);
>}
>
>// Setting abortmethod and displaying data
>
>void C3DView::OnUpdate(CView* pSender, LPARAM lHint, CObject* pHint)
>{
>  C3DDoc *doc = (C3DDoc *) GetDocument();
>  CXSEGDoc * pDoc=doc->pDoc;
>
>  if(data==NULL)
>  {
>   CChildFrame *ven=(CChildFrame *)GetParentFrame();
>       ven->m_estado.ShowWindow(SW_HIDE);
>         ven->SetWindowPos(NULL, 0, 0,500,500,SWP_NOMOVE | SWP_NOZORDER);
>
>   // leo los datos
>
>   double factor=1;
>   if(doc->subsampling) factor=0.5;
>
>   data=vtkStructuredPoints::New();
> 
>data->SetDimensions(pDoc->m_ani[0].Rows*factor,pDoc->m_ani[0].Columns*factor,pDoc->fuentes*doc->resz*factor);
>   data->SetScalarType(VTK_UNSIGNED_SHORT);
>   data->SetNumberOfScalarComponents(1);
>   data->AllocateScalars();
>
>         unsigned short * ptr=(unsigned short *) data->GetScalarPointer();
>
>   int inc=1/factor;
>   int ima=(factor==0.5 && pDoc->fuentes%2!=0)?pDoc->fuentes-1:pDoc->fuentes;
>
>   for(int i=0;i<ima*doc->resz;i+=inc)
>   for(int y=0;y<pDoc->m_ani[0].Columns;y+=inc)
>   for(int x=0;x<pDoc->m_ani[0].Rows;x+=inc)
>   {
>      if(doc->objeto==0) *ptr++ = 
> pDoc->m_ani[i/doc->resz].Bitmap[y*pDoc->m_ani[0].Rows+x];
>      if(doc->objeto==1)
>      {
> 
>if(pDoc->m_ani[i/doc->resz].Mascara[y*pDoc->m_ani[0].Rows+x]>=1) *ptr++ =
>pDoc->m_ani[i/doc->resz].Bitmap[y*pDoc->m_ani[0].Rows+x];
>     else *ptr++ =0;
>      }
>      if(doc->objeto==2)
>      {
> 
>if(pDoc->m_ani[i/doc->resz].Mascara[y*pDoc->m_ani[0].Rows+x]==0) *ptr++ =
>pDoc->m_ani[i/doc->resz].Bitmap[y*pDoc->m_ani[0].Rows+x];
>     else *ptr++ =0;
>      }
>   }
>
>   plano=vtkPlane::New();
> 
>plano->SetOrigin(factor*pDoc->m_ani[0].Columns/2,factor*pDoc->m_ani[0].Rows/2,factor*pDoc->fuentes/2);
>      plano->SetNormal(0,0,-1);
>
>   ancho=factor*pDoc->m_ani[0].Columns;
>   alto=factor*pDoc->m_ani[0].Rows;
>   fuentes=factor*pDoc->fuentes;
>
>   // creo el modelo
>
>         volumeLOD=vtkLODProp3D::New();
>
>   // Create a transfer function mapping scalar value to opacity
>         vtkPiecewiseFunction *opacity = vtkPiecewiseFunction::New();
>         opacity->AddPoint(30.0,0.0);
>      opacity->AddPoint(255,1.0);
>
>   vtkColorTransferFunction 
> *colorTransferFunction=vtkColorTransferFunction::New();
>   if(doc->color==1)
>   {
>           colorTransferFunction->AddRGBPoint(0.0,0.0,0.0,0.0);
>           colorTransferFunction->AddRGBPoint(255.0,1.0,1.0,1.0);
>   }
>   else
>   {
>           colorTransferFunction->AddRGBPoint(0.0,0.0,0.0,0.0);
>           colorTransferFunction->AddRGBPoint(30.0,0.0,0.0,0.0);
>     colorTransferFunction->AddRGBPoint(60.0,0.7,0.5,0.0);
>           colorTransferFunction->AddRGBPoint(255.0,1.0,1.0,1.0);
>   }
>
>         // Create a property for the volume and set the transfer functions.
>         vtkVolumeProperty *volumeProperty = vtkVolumeProperty::New();
>         volumeProperty->SetColor(colorTransferFunction);
>         volumeProperty->SetScalarOpacity(opacity);
>
>         // LOD Level of detail
>
>         vtkImageResample *resampler1=vtkImageResample::New();
>         resampler1->SetInput(data);
>         resampler1->SetAxisMagnificationFactor(0,0.2);
>         resampler1->SetAxisMagnificationFactor(1,0.2);
>         resampler1->SetAxisMagnificationFactor(2,0.2);
>
>         vtkImageResample *resampler2=vtkImageResample::New();
>         resampler2->SetInput(data);
>         resampler2->SetAxisMagnificationFactor(0,0.6);
>         resampler2->SetAxisMagnificationFactor(1,0.6);
>         resampler2->SetAxisMagnificationFactor(2,0.6);
>
>         lowresMapper=vtkVolumeTextureMapper2D::New();
>         lowresMapper->SetInput(resampler1->GetOutput());
>
>         medresMapper=vtkVolumeTextureMapper2D::New();
>         medresMapper->SetInput(resampler2->GetOutput());
>
>         hiresMapper=vtkVolumeTextureMapper2D::New();
>         hiresMapper->SetInput(data);
>
>   // LOD
>
>         id1=volumeLOD->AddLOD(lowresMapper,volumeProperty,0.0);
>         id2=volumeLOD->AddLOD(medresMapper,volumeProperty,0.0);
>         id3=volumeLOD->AddLOD(hiresMapper,volumeProperty,0.0);
>
>   // check method
>
>
>
>   ((vtkRenderWindow*)GetParent())->SetAbortCheckMethod(CheckAbort,this);
>
>
>
>   // añado el modelo a la ventana
>
>         this->Renderer->AddProp(volumeLOD);
>         this->Renderer->ResetCamera();
>  }
>
>  this->vtkMFCRenderView::OnUpdate(pSender, lHint, pHint);
>}
>
>----------------------------------------------------------
>Jose Vicente Manjón Herrera
>GIM (Group of Medical Informatics)
>Applied Physics Department
>Technical University of Valencia
>46022 Valencia (SPAIN)
>----------------------------------------------------------
>
>
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