Hi,
I have made a Qt mainwindow with QmitkStdMultiWidget as a central widget
and made some slots to perform filter operations on a loaded image. This
discussion attracted me due to following comment:
>Else you would have to the call the rendering manager via e.g.
"mitk::RenderingManager::GetInstance()->RequestUpdateAll();", but >I don't
recommend to implement this inside any algorithm.
Since I am
using "mitk::RenderingManager::GetInstance()->RequestUpdateAll();" in end
of each slot after saving that filtered data in a node. Its working but I
don't know what is right way if it is not recommended. Please can you
suggest solution for this case?
Regards,
Tab
On Thu, Jan 24, 2013 at 4:46 AM, Kilgus, Thomas <[email protected]
> wrote:
> Hi Horst,
>
> if you have set up your on render window and your own application, did you
> follow the tutorial steps1-10?
>
> If you modify data you should call pNode->Update(); and after a reinit:
>
> mitk::TimeSlicedGeometry::Pointer geo =
> ds->ComputeBoundingGeometry3D(ds->GetAll());
> mitk::RenderingManager::GetInstance()->InitializeViews( geo );
>
> the mitk::RenderingManager::GetInstance()->RequestUpdateAll(); should do
> the job. If not you could try to directly call renderWindow.render(); but
> this would be a bug in my opinion. But I never tried to modify and refresh
> the content of any example, yet.
>
> -----Original Message-----
> From: Kilgus, Thomas [mailto:[email protected]]
> Sent: Donnerstag, 24. Januar 2013 13:38
> To: [email protected]
> Subject: Re: [mitk-users] Update after modifying surface data
>
> Hi Horst,
>
> I assume you are inside a plugin view? There you can just call
> this->RequestRenderWindowUpdate(); (with an optional parameter telling
> which render window you would like to update).
>
> Else you would have to the call the rendering manager via e.g.
> "mitk::RenderingManager::GetInstance()->RequestUpdateAll();", but I don't
> recommend to implement this inside any algorithm.
>
> Regards,
> Thomas
>
> -----Original Message-----
> From: [email protected] [mailto:[email protected]]
> Sent: Donnerstag, 24. Januar 2013 09:20
> To: [email protected]
> Subject: [mitk-users] Update after modifying surface data
>
> Hi,
>
> after modifying the data of a surface node, I looked for a possibility to
> update the mapper to render the manipulated data. When using pure VTK this
> is possible with the following statements:
>
> pMapper->Modified();
> pMapper->Update();
>
> But I can't find something similar in MITK. Isn't there really no
> mechanism to update the mapper of a node? Is it really necessary to create
> a new surface object like this?
>
> // get surface data
> mitk::Surface* pSurface =
> dynamic_cast<mitk::Surface*>(pNode->GetData());
> vtkPolyData* pData = pSurface->GetVtkPolyData();
> vtkPoints* pPoints = pData->GetPoints();
>
> // manipulate data
>
> // create new surface to render manipulated data
> mitk::Surface::Pointer pNewSurface = mitk::Surface::New();
> pNewSurface->SetVtkPolyData(pData);
> pNode->SetData(pNewSurface);
>
> Thanks.
> Horst
>
>
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