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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hello, </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I have to convert very large data to one of VTK file formats
(15 – 20 million points). Source data are in ASCII file format.</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I tried to use VTP file format but the software crashes
because VTK classes allocate so many memory.</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>For each point in source file I add:</span></font></p>
<ul type=disc>
<li class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>a point in a vtkPoints class using InsertNextPoint
function.</span></font></li>
<li class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>a cell with only one point in a vtkCellArray using InsertNextCell
function.</span></font></li>
<li class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>an RGB value in a vtkUnsignedCharArray class using
InsertNextTuple3 function.</span></font></li>
<li class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>an Intensity value in a vtkFloatArray class using
InsertNextTuple1 function.</span></font></li>
</ul>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>So I want to write my data in some different VTP files and merging
them using a PVTP file.</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I tried to save the PVTP as:</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal style='text-indent:35.4pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>vtkXMLPPolyDataWriter*
pXMLPPolyDataWriter = vtkXMLPPolyDataWriter::New();</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> pXMLPPolyDataWriter->SetFileName(pvtpFilePath);</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> pXMLPPolyDataWriter->SetInput(pPolyData);</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> pXMLPPolyDataWriter->SetNumberOfPieces(nFiles);</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> pXMLPPolyDataWriter->SetDataModeToBinary();</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> pXMLPPolyDataWriter->Write();</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> pXMLPPolyDataWriter->Delete();</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>where pPolyData is a very small vtkPolyData used only to
save the PVTP.</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Then I saved the VTP files with the correct names, but when
I reopen the PVTP file with ParaView I see that the first part (first VTP file)
is correct but the others not.</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Can someone help me?</span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Daniele.</span></font></p>
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