<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
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--></style></head><body lang=EN-US link=blue vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Hi,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have a VTU (unstructured grid) file that I’d like to parse myself. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The header is as follows:<o:p></o:p></p><p class=MsoNormal><VTKFile type='UnstructuredGrid' version='0.1' byte_order='LittleEndian' compressor='vtkZLibDataCompressor'><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>And the AppendedData section looks like this:<o:p></o:p></p><p class=MsoNormal><AppendedData encoding='base64'><o:p></o:p></p><p class=MsoNormal>_AQAAAPD8AwDw/AMAA7wBAA==eNpcfXtYzE/U…<o:p></o:p></p><p class=MsoNormal></AppendedData><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Running the appended data (excluding the first underscore) directly through a base64 decoder doesn’t appear to work. Running it through zlib uncompression doesn’t work either (invalid compressed data). So, I’m not sure where to start with this.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Any extra information about how to decompress and decode this appended data would be very helpful.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Regards,<o:p></o:p></p><p class=MsoNormal>Davis<span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>