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--></style></head><body lang=FR link=blue vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Thank you for your answer.</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I didn’t understand the term Scalar like the pixel value. </p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Romain</p><p class=MsoNormal><o:p> </o:p></p><div style='mso-element:para-border-div;border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='border:none;padding:0cm'><b>De : </b><a href="mailto:elvis.stansvik@orexplore.com">Elvis Stansvik</a><br><b>Envoyé le :</b>samedi 23 juin 2018 19:43<br><b>À : </b><a href="mailto:romain.leguay@gmail.com">Romain LEGUAY</a><br><b>Cc : </b><a href="mailto:vtkusers@vtk.org">vtkusers@vtk.org</a><br><b>Objet :</b>Re: [vtkusers] VTK data structure to C-array</p></div><p class=MsoNormal><o:p> </o:p></p><div><div><div><p class=MsoNormal>2018-06-23 19:28 GMT+02:00 Romain LEGUAY <<a href="mailto:romain.leguay@gmail.com" target="_blank">romain.leguay@gmail.com</a>>:</p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hi everyone,</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I try to convert all points of a vtkImageData to a C-array. </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>My purpose is to use this array Inside OpenCL for example.</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>My method actually is to read all points of the vtkImageData using vtkImageData::ComputePointId and vtkImageData ::GetPoint but this method is too slow.</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>I don’t find any documentation on this.</p></div></div></blockquote><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>You can get a direct pointer to the data using GetScalarPointer() [1].</p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>HTH,</p></div><div><p class=MsoNormal>Elvis</p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>[1] <a href="https://www.vtk.org/doc/nightly/html/classvtkImageData.html#a567566b094dcc3187061dc5ff02a6abb">https://www.vtk.org/doc/nightly/html/classvtkImageData.html#a567566b094dcc3187061dc5ff02a6abb</a></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> </p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Thanks,</p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#888888'> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#888888'>Romain<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#888888'> <o:p></o:p></span></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><br>_______________________________________________<br>Powered by <a href="http://www.kitware.com" target="_blank">www.kitware.com</a><br><br>Visit other Kitware open-source projects at <a href="http://www.kitware.com/opensource/opensource.html" target="_blank">http://www.kitware.com/opensource/opensource.html</a><br><br>Please keep messages on-topic and check the VTK FAQ at: <a href="http://www.vtk.org/Wiki/VTK_FAQ" target="_blank">http://www.vtk.org/Wiki/VTK_FAQ</a><br><br>Search the list archives at: <a href="http://markmail.org/search/?q=vtkusers" target="_blank">http://markmail.org/search/?q=vtkusers</a><br><br>Follow this link to subscribe/unsubscribe:<br><a href="https://public.kitware.com/mailman/listinfo/vtkusers" target="_blank">https://public.kitware.com/mailman/listinfo/vtkusers</a></p></blockquote></div></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>