Dear David. Thank you very much!
The problem was the selection of the data scalar data type. Kind regards, ___________________________________________________________________ Paulo Alexandre Neves Escola Superior de Tecnologia de Castelo Branco Unidade Técnico-Cientifica de Informática http://di.est.ipcb.pt E-mail: pneves at ipcb dot pt Instituto de Telecomunicações (IT) E-mail: pneves at co dot it dot pt On 27/01/2011, at 18:29, David E DeMarle wrote: > 2011/1/27 Paulo Alexandre Neves <[email protected]>: >> Dear all. >> My name is Paulo Neves and I am starting to use Paraview. I already did the >> great Kenneth Moreland tutorial. >> I downloaded and installed Paraview on a Mac OS X machine through the binary >> dmg, running in standalone mode. Version is 3.8.1. >> Here are my questions: >> When trying to open a .raw data set, such as the one in attach, I get >> errors, like >> ERROR: In /Users/partyd/Kitware/ParaView-3.8/src/VTK/IO/vtkImageReader.cxx, >> line 184 >> vtkMPIImageReader (0x126f74e70): File operation failed: >> 18446744073709512510, ext: 0, 32, 0, 32, 0, 32 > > See below. > >> The first thing that strikes me is where is /Users/partyd directory! I >> cannot find this on my machine. > > That is an artifact of the release packaging processes, you can safely > ignore that. /Users/partyk/Kitware ... is just the directory where > that binary image was originally built and it gets encoded into things > like the error strings by the compiler. > >> Second the dataset is 32x32x32, 8bit so why the errors? > > Try extents of 0..31 0..31 0..31. You and ParaView are disagreeing on > whether to count cells or points. It works fine on my 3.8.1 binary > image. > >> This leads me to another question: where is the source VTK files (like >> vtkImageReader) on my machine? Do I need to download the source and compile > > The binaries do not include the source code. If you want to make c++ > extensions to ParaView you have to download or git clone that > separately. > >> it to have access to this? Later on I would like to create my own >> algorithms, so I will need to extend Paraview. Isn't the best way to write >> such code through VTK? > > Yes. It is almost always better to learn VTK data structures and > filter concepts first, then wrap your VTK level code so that ParaView > will include it. At the core ParaView is just a front end for VTK . > >> Sorry for my newbie questions and thanks for your patience! >> Kind regards, > > No problem and good luck! > >> ___________________________________________________________________ >> Paulo Alexandre Neves >> Escola Superior de Tecnologia de Castelo Branco >> Unidade Técnico-Cientifica de Informática >> http://di.est.ipcb.pt >> E-mail: pneves at ipcb dot pt >> Instituto de Telecomunicações (IT) >> E-mail: pneves at co dot it dot pt >> >> >> >> _______________________________________________ >> Powered by www.kitware.com >> >> Visit other Kitware open-source projects at >> http://www.kitware.com/opensource/opensource.html >> >> Please keep messages on-topic and check the ParaView Wiki at: >> http://paraview.org/Wiki/ParaView >> >> Follow this link to subscribe/unsubscribe: >> http://www.paraview.org/mailman/listinfo/paraview >> >>
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