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</o:shapelayout></xml><![endif]--></head><body lang=DE link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hi everyone,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>we recently switched to VTK 6.2 and there is no more anti-aliasing in any renderwindow. If you compare the output to VTK 6.1 you will see significant differences. See attached screenshot. This can be reproduced with the STL read example [3] and setting the rendering property to wireframe like this: <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> actor->GetProperty()->SetRepresentationToWireframe();<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I figured out that anti-aliasing can be enabled again with:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> renderWindow->SetLineSmoothing(1);<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>The following call, which I would assume to be necessary, has no effect:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> renderWindow->SetMultiSamples(8);<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I could not find anything in the documentation about this. Is this change desired? Is this a bug?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>To avoid confusion: We had a similar issue when switching to the QVTKWidget2, which we are not using now different reasons. See [1] for older mails and [2] for a patch. This seems to be another issue though.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Regards,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Thomas<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>[1] <a href="http://vtk.1045678.n5.nabble.com/Anti-aliasing-multi-sampling-in-QVTKWidget2-td5730077.html">http://vtk.1045678.n5.nabble.com/Anti-aliasing-multi-sampling-in-QVTKWidget2-td5730077.html</a><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>[2] <a href="http://review.source.kitware.com/#/c/18864/">http://review.source.kitware.com/#/c/18864/</a><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>[3] <a href="http://www.vtk.org/Wiki/VTK/Examples/Cxx/IO/ReadSTL">http://www.vtk.org/Wiki/VTK/Examples/Cxx/IO/ReadSTL</a> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='mso-fareast-language:DE'>Thomas Kilgus<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='mso-fareast-language:DE'>German Cancer Research Center (DKFZ)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='mso-fareast-language:DE'>Div. Medical and Biological Informatics <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='mso-fareast-language:DE'>Junior group: Computer-assisted Interventions (E131)<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:DE'>Im Neuenheimer Feld 280<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:DE'>69120 Heidelberg, Germany<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:DE'>Phone: +49(0) 6221-42-3545<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>