[vtkusers] RES: panoramic view

Bill Lorensen bill.lorensen at gmail.com
Tue Jun 15 12:13:53 EDT 2010


Sorry,

try
 probe->SetInput(pFrame->m_wndView.m_pImageData);

probe->SetSource(rsf->GetOutput()));

On Tue, Jun 15, 2010 at 12:13 PM, Bill Lorensen <bill.lorensen at gmail.com> wrote:
> Try:
> probe->SetInput(pFrame->m_wndView.m_pImageDatarsf->GetOutput());
>
> probe->SetSource(rsf->GetOutput()));
>
> On Tue, Jun 15, 2010 at 9:57 AM, l.a.pereira <l.a.pereira at uol.com.br> wrote:
>>
>> vtkParametricSpline* vtkpPs = vtkParametricSpline::New();
>>
>> vtkpPs->SetPoints(pts);
>>
>> vtkParametricFunctionSource* vtkpPfs = vtkParametricFunctionSource::New();
>>
>> vtkpPfs->SetParametricFunction(vtkpPs);
>>
>> vtkpPfs->SetUResolution(500);
>>
>> vtkTransform *xfm = vtkTransform::New();
>>
>> xfm->Translate(0, 0, 70);
>>
>> vtkTransformPolyDataFilter *xfmPd = vtkTransformPolyDataFilter::New();
>>
>> xfmPd->SetInput(vtkpPfs->GetOutput());
>>
>> xfmPd->SetTransform(xfm);
>>
>> vtkAppendPolyData *appendPD = vtkAppendPolyData::New();
>>
>> appendPD->AddInput(vtkpPfs->GetOutput());
>>
>> appendPD->AddInput(xfmPd->GetOutput());
>>
>> vtkRuledSurfaceFilter *rsf = vtkRuledSurfaceFilter::New();
>>
>> rsf->SetInputConnection(appendPD->GetOutputPort());
>>
>> rsf->SetResolution(500, 500);
>>
>> rsf->SetRuledModeToResample();
>>
>> rsf->Update();
>>
>> vtkProbeFilter* probe = vtkProbeFilter::New();
>>
>> probe->SetInput(rsf->GetOutput());
>>
>> probe->SetSource(pFrame->m_wndView.m_pImageData);
>>
>> probe->Update();
>>
>> vtkImageData *imagedata = vtkImageData::New();
>>
>> imagedata->GetPointData()->SetScalars(probe->GetOutput()->GetPointData()->GetScalars());
>>
>> imagedata->SetDimensions(500, 500, 1);
>>
>> imagedata->SetSpacing(1, 1, 1);
>>
>> imagedata->Update();
>>
>> vtkImageMapToColors* colorMap = vtkImageMapToColors::New();
>>
>> colorMap->PassAlphaToOutputOff();
>>
>> colorMap->SetActiveComponent(0);
>>
>> colorMap->SetOutputFormatToLuminance();
>>
>> colorMap->SetInput(imagedata);
>>
>> colorMap->SetLookupTable(pFrame->m_wndView.m_LookupTable_GrayScale);
>>
>> this->m_pImageActor = vtkImageActor::New(); //resulting view 3
>>
>> m_pImageActor->PickableOff();
>>
>> m_pImageActor->SetInput(colorMap->GetOutput());
>>
>> m_pImageActor->SetOrigin(0.0, 0.0, 0.0);
>>
>> m_pImageActor->SetPosition(0.0, 0.0, 0.0);
>>
>>
>>
>> ________________________________
>>
>> Mensagem original
>> De: l.a.pereira < l.a.pereira at uol.com.br >
>> Para: sercanimailgroups at gmail.com,bill.lorensen at gmail.com <
>> bill.lorensen at gmail.com >,vtkusers at vtk.org < vtkusers at vtk.org >
>> Assunto: RES: [vtkusers] panoramic view
>> Enviada: 15/06/2010 10:51
>>
>> Sercani Hello,
>>
>> Unfortunately Bill did not find the example code. But I believe there is
>> very little for me to achieve my goal. I also believe that together we can
>> solve our problems. I am sending you a piece of code responsible for
>> generating the images you can see in the attached file. My problem now is
>> that I am not able to generate the final image in vtkImagedata. It is being
>> created incorrectly (departure and distorted) as you can see the view number
>> 3.
>>
>> If you can help me solve the distortion in vtkImageData believe we will have
>> a solution to our problem. Thanks,From the five points of the curve in view
>> 2 I create a spline curve to refer it to vtkruledsurface and vrkprobefilter.
>>
>> Following is the code that generates the image of view 3:
>>
>> vtkParametricSpline* vtkpPs = vtkParametricSpline::New();
>>
>> vtkpPs->SetPoints(pts);
>>
>> vtkParametricFunctionSource* vtkpPfs = vtkParametricFunctionSource::New();
>>
>> vtkpPfs->SetParametricFunction(vtkpPs);
>>
>> vtkpPfs->SetUResolution(500);
>>
>> vtkTransform *xfm = vtkTransform::New();
>>
>> xfm->Translate(0, 0, 70);
>>
>> vtkTransformPolyDataFilter *xfmPd = vtkTransformPolyDataFilter::New();
>>
>> xfmPd->SetInput(vtkpPfs->GetOutput());
>>
>> xfmPd->SetTransform(xfm);
>>
>> vtkAppendPolyData *appendPD = vtkAppendPolyData::New();
>>
>> appendPD->AddInput(vtkpPfs->GetOutput());
>>
>> appendPD->AddInput(xfmPd->GetOutput());
>>
>> vtkRuledSurfaceFilter *rsf = vtkRuledSurfaceFilter::New();
>>
>> rsf->SetInputConnection(appendPD->GetOutputPort());
>>
>> rsf->SetResolution(500, 500);
>>
>> rsf->SetRuledModeToResample();
>>
>> rsf->Update();
>>
>> vtkProbeFilter* probe = vtkProbeFilter::New();
>>
>> probe->SetInput(rsf->GetOutput());
>>
>> probe->SetSource(pFrame->m_wndView.m_pImageData);
>>
>> probe->Update();
>>
>> vtkImageData *imagedata = vtkImageData::New();
>>
>> imagedata->GetPointData()->SetScalars(da);
>>
>> imagedata->SetDimensions(500, 500, 1);
>>
>> imagedata->SetSpacing(1, 1, 1);
>>
>> imagedata->Update();
>>
>> vtkImageMapToColors* colorMap = vtkImageMapToColors::New();
>>
>> colorMap->PassAlphaToOutputOff();
>>
>> colorMap->SetActiveComponent(0);
>>
>> colorMap->SetOutputFormatToLuminance();
>>
>> colorMap->SetInput(imagedata);
>>
>> colorMap->SetLookupTable(pFrame->m_wndView.m_LookupTable_GrayScale);
>>
>> this->m_pImageActor = vtkImageActor::New(); //resulting view 3
>>
>> m_pImageActor->PickableOff();
>>
>> m_pImageActor->SetInput(colorMap->GetOutput());
>>
>> m_pImageActor->SetOrigin(0.0, 0.0, 0.0);
>>
>> m_pImageActor->SetPosition(0.0, 0.0, 0.0);
>>
>>
>>
>> -----Mensagem original-----
>> De: sercani [mailto:sercanimailgroups at gmail.com]
>> Enviada em: terça-feira, 15 de junho de 2010 04:09
>> Para: l.a.pereira
>> Assunto: Re: [vtkusers] panoramic view
>>
>>
>>
>> Hi Luis,
>>
>> Could you manage to solve the panaromic view problem? I have to do the
>>
>> same thing(curved MPR) but vtkProbeFilter is working very slowly, it
>>
>> couldn't finish the process while the input data set is a 512*512*48
>>
>> imagedata and the source is a ruled surface which is created from the
>>
>> vtkSplineWidget's polydata...If Bill Lorensen send the sample code, can
>>
>> you also send it to me?
>>
>>
>>
>> Sercani...
>>
>>
>>
>>
>>
>>
>>
>>
>



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