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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>Hi, <o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'><o:p> </o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>I would like to use .pvtu to represent a multi-level unstructured grid by stating <o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'><o:p> </o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>===level 1 PVTU===</span></span><span class=apple-converted-space><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> <o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-converted-space><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'><VTKFile type="PUnstructuredGrid" version="0.1" byte_order="LittleEndian"><o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-converted-space><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> <PUnstructuredGrid GhostLevel="1"><o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-converted-space><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>…<o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-converted-space><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> <Piece Source="energy_1.0/nsp.pvtu"/><o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-converted-space><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> <Piece Source="energy_2.0/nsp.pvtu"/><o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-converted-space><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> </PUnstructuredGrid><o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-converted-space><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'></VTKFile><o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-converted-space><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'><o:p> </o:p></span></span></p><p class=MsoNormal><span class=apple-converted-space><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'><o:p> </o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>===level 0 PVTU (energy_1.0/nsp.pvtu)===</span></span><span class=apple-converted-space><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> <o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'><VTKFile type="PUnstructuredGrid" version="0.1" byte_order="LittleEndian"><o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> <PUnstructuredGrid GhostLevel="0"><o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>…<o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> <Piece Source="nsp_316.vtu"/><o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>…<o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> <Piece Source="nsp_523.vtu"/><o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'> </PUnstructuredGrid><o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'></VTKFile><o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-converted-space><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'><o:p> </o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>After constructing these PVTU's and VTU's, I opened the level 1 PVTU and got below errors: ERROR: In ..\..\..\ParaViewSrc\VTK\IO\vtkXMLPDataReader.cxx, line 364 vtkXMLPUnstructuredGridReader (00000000055D5860): File for piece 0 cannot be read. Note loading level 0 PVTU's and individual VTU's are of no error in ParaView. Did I miss anything? I could not find an example showing multi-level parallel VTK data construction. Would you please help? Thanks a lot. <o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'><o:p> </o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>Best, <o:p></o:p></span></span></p><p class=MsoNormal><span class=apple-style-span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:black'>8gpus</span></span><o:p></o:p></p></div></body></html>