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</o:shapelayout></xml><![endif]--></head><body lang=DE-AT link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-GB style='color:#1F497D'>Here is the reduced example code for evaluation, please tell me if you can reproduce my issue (I am using the VTK libs of Paraview 4.1.0):<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal style='text-indent:35.4pt;text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:#010001;mso-fareast-language:DE-AT'>vtkContextView</span><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'>* <span style='color:#010001'>poContextView</span> = <span style='color:#010001'>vtkContextView</span>::<span style='color:#010001'>New</span>();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:#010001'>poContextView</span>-><span style='color:#010001'>GetRenderer</span>()-><span style='color:#010001'>SetBackground</span>(1.0, 1.0, 1.0);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:#010001'>vtkChartXY</span>* <span style='color:#010001'>poChart</span> = <span style='color:#010001'>vtkChartXY</span>::<span style='color:#010001'>New</span>();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:#010001'>poChart</span>-><span style='color:#010001'>GetAxis</span>(1)-><span style='color:#010001'>SetTitle</span>( <span style='color:#A31515'>"xaxis"</span> );<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:#010001'>poChart</span>-><span style='color:#010001'>GetAxis</span>(0)-><span style='color:#010001'>SetTitle</span>( <span style='color:#A31515'>"yaxis"</span> );<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:#010001'>poChart</span>-><span style='color:#010001'>SetTitle</span>( <span style='color:#A31515'>"Title"</span> );<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:#010001'>poContextView</span>-><span style='color:#010001'>GetScene</span>()-><span style='color:#010001'>AddItem</span>(<span style='color:#010001'>poChart</span>);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:green'>// Create a poTable with some points in it...<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:#010001'>vtkTable</span>* <span style='color:#010001'>poTable</span> = <span style='color:#010001'>vtkTable</span>::<span style='color:#010001'>New</span>();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:#010001'>vtkSmartPointer</span><<span style='color:#010001'>vtkDoubleArray</span>> <span style='color:#010001'>oXAxis</span> = <span style='color:#010001'>vtkSmartPointer</span><<span style='color:#010001'>vtkDoubleArray</span>>::<span style='color:#010001'>New</span>();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:#010001'>oXAxis</span>-><span style='color:#010001'>SetName</span>(<span style='color:#A31515'>"xaxis"</span>);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:#010001'>poTable</span>-><span style='color:#010001'>AddColumn</span>(<span style='color:#010001'>oXAxis</span>);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:green'>//poTable->AddColumn(oXAxis);<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:green;mso-fareast-language:DE-AT'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:#010001'>vtkSmartPointer</span><<span style='color:#010001'>vtkDoubleArray</span>> <span style='color:#010001'>oPositionlot</span> = <span style='color:#010001'>vtkSmartPointer</span><<span style='color:#010001'>vtkDoubleArray</span>>::<span style='color:#010001'>New</span>();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:#010001'>oPositionlot</span>-><span style='color:#010001'>SetName</span>( <span style='color:#A31515'>"Data0"</span> );<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:#010001'>poTable</span>-><span style='color:#010001'>AddColumn</span>(<span style='color:#010001'>oPositionlot</span>);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:#010001'>poTable</span>-><span style='color:#010001'>SetNumberOfRows</span>( 10 );<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:#010001'>poContextView</span>-><span style='color:#010001'>GetRenderWindow</span>()-><span style='color:#010001'>SetMultiSamples</span>(0);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:#010001'>poTable</span>-><span style='color:#010001'>GetColumn</span>(0)-><span style='color:#010001'>SetName</span>(<span style='color:#A31515'>"col1"</span>);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:blue'>for</span> ( <span style='color:#010001'>size_t</span> <span style='color:#010001'>nRow</span> = 0; <span style='color:#010001'>nRow</span> < 10; ++<span style='color:#010001'>nRow</span> )<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> {<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:#010001'>poTable</span>-><span style='color:#010001'>SetValue</span>(<span style='color:#010001'>nRow</span>, 0, 1);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> }<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:#010001'>vtkPlot</span> * <span style='color:#010001'>poPlot</span> = <span style='color:#010001'>poChart</span>-><span style='color:#010001'>AddPlot</span>(<span style='color:#010001'>vtkChart</span>::<span style='color:#010001'>LINE</span>);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:#010001'>poPlot</span>-><span style='color:#010001'>SetInputData</span>(<span style='color:#010001'>poTable</span>, 0, 0);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:green'>//poPlot->SetInput(m_poTable, 0, nColumn);<o:p></o:p></span></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:#010001'>poPlot</span>-><span style='color:#010001'>SetColor</span>( 1, 0, 0, 1 );<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:#010001'>poPlot</span>-><span style='color:#010001'>SetWidth</span>( 1 );<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:#010001'>poPlot</span>-><span style='color:#010001'>GetPen</span>()-><span style='color:#010001'>SetLineType</span>(1);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:#010001'>poContextView</span>-><span style='color:#010001'>GetRenderer</span>()-><span style='color:#010001'>Render</span>();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> <span style='color:#010001'>poContextView</span>-><span style='color:#010001'>GetInteractor</span>()-><span style='color:#010001'>Initialize</span>();<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'> </span><span style='font-size:10.0pt;font-family:"Courier New";color:#010001;mso-fareast-language:DE-AT'>poContextView</span><span style='font-size:10.0pt;font-family:"Courier New";mso-fareast-language:DE-AT'>-><span style='color:#010001'>GetInteractor</span>()-><span style='color:#010001'>Start</span>();<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=DE style='font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:DE-AT'>Von:</span></b><span lang=DE style='font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:DE-AT'> vtkusers-bounces@vtk.org [mailto:vtkusers-bounces@vtk.org] <b>Im Auftrag von </b>Lodron, Gerald<br><b>Gesendet:</b> Montag, 09. Dezember 2013 08:53<br><b>An:</b> VTK Developer (vtk-developers@vtk.org)<br><b>Cc:</b> (vtkusers@vtk.org)<br><b>Betreff:</b> [vtkusers] endless loop in vtkOpenGLError<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-GB>Hi<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>I currently migrated my vtk code to vtk 6.1 and now have an endless loop in </span><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:#010001'>vtkClearOpenGLErrors at line 192 of vtkOpenGLError.h while using vtkContextView. This seems to be called in ClearLights of vtkOpenGLRenderer.cxx, any ideas, would be great!<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:#010001'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:#010001'>Best regards<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";color:#010001'>Gerald <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE-AT'>_________________________________________________________________</span><span style='font-size:8.5pt;color:black;mso-fareast-language:DE-AT'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><b><span lang=DE style='font-size:10.0pt;font-family:"Arial","sans-serif";mso-fareast-language:JA'><o:p> </o:p></span></b></p><p class=MsoNormal style='text-autospace:none'><b><span lang=DE style='font-size:10.0pt;font-family:"Arial","sans-serif";mso-fareast-language:JA'>JOANNEUM RESEARCH Forschungsgesellschaft mbH</span></b><span lang=DE style='font-size:10.0pt;font-family:"Arial","sans-serif";mso-fareast-language:JA'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=DE style='font-size:10.0pt;font-family:"Arial","sans-serif";mso-fareast-language:JA'> <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";mso-fareast-language:JA'>DIGITAL – Institute for Information and Communication Technologies</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";mso-fareast-language:JA'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";mso-fareast-language:JA'>Steyrergasse 17, 8010 Graz, Austria<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#4D4D4D;mso-fareast-language:JA'> <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";mso-fareast-language:JA'>phone: +43 316 876-1751<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";mso-fareast-language:JA'>fax: +43 316 8769-1751<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=DE style='font-size:10.0pt;font-family:"Arial","sans-serif";mso-fareast-language:JA'>e-mail: <a href="mailto:gerald.lodron@joanneum.at">gerald.lodron@joanneum.at</a> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";mso-fareast-language:JA'>web: <a href="http://www.joanneum.at/digital">www.joanneum.at/digital</a><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:DE-AT'>_________________________________________________________________</span><span lang=EN-US style='font-size:8.5pt;color:black;mso-fareast-language:DE-AT'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span lang=EN-US style='mso-fareast-language:JA'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:9.0pt;color:gray;mso-fareast-language:JA'>This message and any attached files are confidential and intended solely for the addressee(s). 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