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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","serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","serif";color:#1F497D'>Hi All,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","serif";color:#1F497D'>We are having some problems with the surface rendering in VTK. If the users don&#8217;t set their graphics card preference to &#8220;Quality&#8221;, the surface rendering will show a lot of &#8220;ghost&#8221; lines between the triangles, but they are not the polydata edges. Completely display artifact. When the triangles are small, this is much more obvious. I places a picture in the following link. The left one has problem. The right one is when preference is set to &#8220;quality&#8221;.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","serif";color:#1F497D'><a href="https://www.dropbox.com/s/1kvpzia57uggist/vtk_polydata_rendering_case.PNG">https://www.dropbox.com/s/1kvpzia57uggist/vtk_polydata_rendering_case.PNG</a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","serif";color:#1F497D'>Because of this we have to tell the users to change their graphics card setting. Is this something we can do in the code? Thanks a lot in advance.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","serif";color:#1F497D'>Regards,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","serif";color:#1F497D'>Frank Gao<o:p></o:p></span></p></div></body></html>