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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Got it. Thank you.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> David Gobbi [mailto:david.gobbi@gmail.com] <br><b>Sent:</b> Saturday, July 09, 2011 1:49 AM<br><b>To:</b> Xiaopeng Yang<br><b>Cc:</b> vtk<br><b>Subject:</b> Re: [vtkusers] How to generate a plane from three arbitrary points<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>No, just call the method. It is static, so you don't have to generate a triangle object.<o:p></o:p></p><div><div><p class=MsoNormal>// Description:<o:p></o:p></p></div><div><p class=MsoNormal>// Compute the triangle normal from three points.<o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'>static void vtkTriangle::ComputeNormal(double v1[3], double v2[3], double v3[3], double n[3]);<br><br>- David<br><br><br>On Fri, Jul 8, 2011 at 10:45 AM, Xiaopeng Yang <<a href="mailto:yxp233@postech.ac.kr">yxp233@postech.ac.kr</a>> wrote:<br>> So do you mean I need to generate a triangle from the three points first?<br>> May I ask how to generate it?<br>><br>> -----Original Message-----<br>> From: David Gobbi [mailto:<a href="mailto:david.gobbi@gmail.com">david.gobbi@gmail.com</a>]<br>> Sent: Saturday, July 09, 2011 1:35 AM<br>> To: Xiaopeng Yang<br>> Cc: vtk<br>> Subject: Re: [vtkusers] How to generate a plane from three arbitrary points<br>><br>> Hi Xiaopeng,<br>><br>> Use vtkTriangle::ComputeNormal() to compute the plane normal.<br>> Then use the first point as the Origin of the plane.<br>><br>> - David<br>><br>><br>> On Fri, Jul 8, 2011 at 10:29 AM, Xiaopeng Yang <<a href="mailto:yxp233@postech.ac.kr">yxp233@postech.ac.kr</a>> wrote:<br>>> Hi,<br>>><br>>><br>>><br>>> Is there any class or method to generate a vtk plane from three arbitrary<br>>> points?<br>>><br>>><br>>><br>>> Thanks,<br>>><br>>> Xiaopeng<br>><br>><br>><br>><br>><br>><br>><br>><o:p></o:p></p></div></div></body></html>