<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:12pt"><div>Hello,</div><div><br></div><div>I use vtkInteractorStyleRubberBand3D in order to extract cells of my geometry using the frustum.</div><div>The lonely things I haveseen in vtkInteractorStyleRubberBand3D is the start and end position of the rectangle.</div><div>So, How can I create the frustum to extract my geometry ?</div><div><br></div><div>With vtkInteractorStyleRubberBandPick I have use vtkPlanes* frustum = static_cast&lt;vtkAreaPicker*&gt;(this-&gt;GetInteractor()-&gt;GetPicker())-&gt;GetFrustum();&nbsp;</div><div>Like in the example http://www.vtk.org/Wiki/VTK/Examples/Cxx/Picking/HighlightSelectedPoints</div><div>But with vtkInteractorStyleRubberBand3D it doesn't work.</div><div><br></div><div>Any idea for creating a frustum when using vtkInteractorStyleRubberBand3D ?</div><div><br></div><div><br></div><div>Thank
 you<br></div><div><br></div></div></body></html>