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<p><tt>"Meisam Aliroteh" <meisam.aliroteh@gmail.com> wrote on 08/05/2007 09:31:58:<br>
<br>
> Hi everyone,</tt><br>
<tt>> </tt><br>
<tt>> I was wondering if there is a vtk filter that can fix cell <br>
> orientations. I have OBJ models that I load using vtkOBJReader, but <br>
> the cell orientations are mixed. Some of the triangular faces are <br>
> clockwise and some are counter-clockwise. I need a way to unify the <br>
> orientation of all cells such that they all face clock-wise or <br>
> counter-clockwise. By the way, my models are always built up of <br>
> triangular patches (no strips or quads). </tt><br>
<tt>> </tt><br>
<tt>> Does anyone know how to do this ? !</tt><br>
<br>
<tt>vtkPolyDataNormals should do it.</tt><br>
<br>
<tt> regards, Dave P</tt><br>
<tt><br>
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