[vtkusers] R: moving camera and updating the rendering

[Giancarlo Amati]

or better

mp_VTKWidget->GetRenderWindow()->Render();

From: lazzadrgi at libero.it
To: ilferraresebono at hotmail.it
CC: vtkusers at vtk.org
Subject: R: [vtkusers] moving camera and updating the rendering
Date: Fri, 12 Mar 2010 14:22:09 +0100




















Hi Giancarlo, 

                        you need to call :     mp_VTKwidget->update();

 

Gianni Lazzarato

 

 







Da:
vtkusers-bounces at vtk.org [mailto:vtkusers-bounces at vtk.org] Per conto di Giancarlo
Amati

Inviato: venerdì 12 marzo 2010 14.15

A: vtkusers at vtk.org

Oggetto: [vtkusers] moving camera and updating the rendering





 

Hello vtkUsers,



I'm back with, I'm sure, a "so-many-times-asked" question:



I've a camera and a file with a sequence of postions that the camera takes.

Now, I'm using the QVTKWidget for rendering my scene.



I call:



vtkSmartPointer<vtkCamera>tmpCam =
this->mp_VTKwidget->GetRenderWindow()->GetRenderers()->GetFirstRenderer()->GetActiveCamera();

       
tmpCam->SetViewUp((*mI_vtkCamera)->GetViewUp());

       
tmpCam->SetPosition((*mI_vtkCamera)->GetPosition());

        tmpCam->SetFocalPoint((*mI_vtkCamera)->GetFocalPoint());



to update the current renderer camera position.

But What I'm not seeing is an update of the view untile I click with the mouse
inside the QVTKWidget (mp_VTKwidget).

so my question is HOW to update/refresh the view automatically?



I tried the method Render() of the vtkRenderer but it's apparently
unseccessful.



Many thanks.

Giancarlo







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