If you are just manipulating the points maybe you can try the vtkprogrammableFilter . There is an example on the Wiki you can find .<br><br>Regards<br>DArshan<br><br><div class="gmail_quote">On Fri, Jun 18, 2010 at 11:22 AM, Barth, Sebastian <span dir="ltr"><<a href="mailto:sebastian.barth@iosb.fraunhofer.de">sebastian.barth@iosb.fraunhofer.de</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">Hello vtkusers,<br>
<br>
my application uses the QVTKWidget with Qt 4.6.2 and VTK 5.6.0 as a part of it's window.<br>
<br>
I have a 3D visualisation of a cluster of points stored in a vtkPolyData. On my Qt window I can start a QTimer whose timeout() signal is connected to a slot which manipulates the points in the vtkPolyData and updates the visualisation pipeline with QVTKWidget::update().<br>
<br>
My vtkRendererWindow uses the default interactor style (trackball camera).<br>
<br>
While moving the camera (mouse interaction) the QVTKWindow gets updated, but the vtkPolyData does not.<br>
This of course, is a Qt problem, but I want to know if I have to do anything special if I want to write on the vtkPolyData object from out another thread (QThread) while I'm moving the camera and displaying the current written Data. Maybe there is a simplier solution, I don't know!<br>
<br>
It's the first time I work with VTK, QT and even threads and I appreciate every help!<br>
<br>
<br>
Thanks a lot,<br>
<br>
Sebastian<br>
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