[vtkusers] Some Help for a vtk beginner!

[Adrien Brunet]

Hi Ricky,

I guess that's what I need to do. Thanks a lot all. And if it does work, 
I'll check what I can do for vtk :)

Cheers and have a nice week end!

Adrien

Le 30/05/2014 19:46, Ricky Singla a écrit :
> Hi Adrien,
>
> Have you considered using a non-VTK based STL writer? For example: 
> http://code.activestate.com/recipes/578246-stl-writer/
>
> Shows how you could write your own in Python. That being said, you 
> could always contribute some changes to improve the STL writer in VTK.
>
> Hope this helps.
>
> Cheers,
>
> Ricky Singla
>
>
> On Fri, May 30, 2014 at 10:43 AM, David Gobbi <david.gobbi at gmail.com 
> <mailto:david.gobbi at gmail.com>> wrote:
>
>     Hi Adrien,
>
>     I'm fond of python, too, but why do you think this problem
>     is specific to python?  It would be the same in any language.
>
>       David
>
>     On Fri, May 30, 2014 at 11:31 AM, Adrien Brunet
>     <brunet.adrien at gmail.com <mailto:brunet.adrien at gmail.com>> wrote:
>     > Hi,
>     >
>     > thanks a ton for this so quick answer!
>     > I guess I need to change my tools then, do you have any advice?
>     I'm fond of
>     > python but I'm ok with any other language...
>     >
>     > Cheers,
>     >
>     > Adrien
>     >
>     >
>     > Le 30/05/2014 19:26, David Gobbi a écrit :
>     >
>     >> Hi Adrien,
>     >>
>     >> This is the first time that I've heard this question.  The
>     answer is that
>     >> the
>     >> vtkSTLWriter is not sophisticated enough to write files with
>     multiple
>     >> solids.
>     >> This is a bit strange, because the vtkSTLReader is capable of
>     labeling the
>     >> solids when it reads them.
>     >>
>     >>    David
>     >>
>     >>
>     >> On Fri, May 30, 2014 at 11:06 AM, Adrien Brunet
>     <brunet.adrien at gmail.com <mailto:brunet.adrien at gmail.com>>
>     >> wrote:
>     >>>
>     >>> Hi guys,
>     >>>
>     >>> I hope this has not been already asked but the archives are
>     not really
>     >>> handy
>     >>> to explore...
>     >>>
>     >>> I'm converting stl files from ascii to binary and from binary
>     to ascii
>     >>> with
>     >>> vtk. I use the following code:
>     >>>
>     >>> #!/usr/bin/env python
>     >>>
>     >>> import vtk
>     >>>
>     >>>
>     >>> def convert_stl2ascii(path):
>     >>>      reader = vtk.vtkSTLReader()
>     >>>
>     >>>      reader.SetFileName(path)
>     >>>      reader.Update()
>     >>>      write = vtk.vtkSTLWriter()
>     >>>      write.SetFileTypeToASCII()
>     >>>
>     >>>      write.SetInput(reader.GetOutput())
>     >>>      write.SetFileName(path)
>     >>>      write.Write()
>     >>>
>     >>>
>     >>> def convert_stl2binary(path):
>     >>>      reader = vtk.vtkSTLReader()
>     >>>
>     >>>      reader.SetFileName(path)
>     >>>      reader.Update()
>     >>>      write = vtk.vtkSTLWriter()
>     >>>      write.SetFileTypeToBinary()
>     >>>
>     >>>  write.SetFileName('_binary.stl'.join(path.split('.stl')))
>     >>>      write.SetInput(reader.GetOutput())
>     >>>      write.Write()
>     >>>
>     >>>
>     >>>
>     >>> It does work BUT, Let's say I have a ascii stl file like this:
>     >>>
>     >>> solid first_name
>     >>>      [...]
>     >>> endsolid
>     >>> solid second_name
>     >>>      [...]
>     >>> endsolid
>     >>>
>     >>> I can convert it to a binary file but when I try to convert it
>     back to
>     >>> ascii, I get something like:
>     >>>
>     >>> solid ascii
>     >>>      [...]
>     >>> endsolid
>     >>>
>     >>> What should I do to keep the Region name first_name and
>     second_name and
>     >>> to
>     >>> avoid that several different regions to be merged in only one
>     region?
>     >>>
>     >>> Cheers !!
>     >
>     >
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