<div dir="ltr"><div>Hi Francois,<br><br></div><div>The surface is made of triangles. I have tried passing my surface data through a triangle filter and a normals filter. Still I get the same inconsistent results. <br>However, if i use a surface (STL file)  which is created using VTK built in shapes like vtkCylinderSource I get consistent output. I am facing problems with my STL file which is created using a CAD software. I have ensured that the surface is closed with no boundary edges.<br></div><div>Santosh<br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Sep 8, 2014 at 8:36 PM, ftouvet [via VTK] <span dir="ltr"><<a href="/user/SendEmail.jtp?type=node&node=5728617&i=0" target="_top" rel="nofollow" link="external">[hidden email]</a>></span> wrote:<br><blockquote style='border-left:2px solid #CCCCCC;padding:0 1em' class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

        Hi,
<br><br>is your surface made of triangles? I faced some problems with this filter and used the pipeline explained <a href="http://vtk.1045678.n5.nabble.com/Is-there-a-way-to-check-data-before-using-vtkBooleanOperationPolyDataFilter-td5725561.html#a5725675" rel="nofollow" link="external" target="_blank">here</a>.
<br><br>It doesn't work everytime, I am currently refining it. But still it could help you?
<br>Francois

        
        
        
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