[vtkusers] VTK Python Wrapping OSX 10.9

[Michka Popoff]

Okay, I think the problem is the following.
If you type python in the terminal, OS X's python 2.7.5 is launched.
VTK for slicer was compiled against the shipped python 2.7.3 I suppose.

So you try to run from a 2.7.5 python a VTK library which was build against 2.7.3. That won't work (that's the error you get).
You can not mix the two.


Le 29 avr. 2014 à 23:53, Laurent Chauvin a écrit :

> Hi Michka,
> 
> Thank you for your answer.
> 
> I would prefer not to use a binary version of VTK, more a compiled version.
> 
> I, indeed, have multiple versions of python (2.7.5 installed with xcode, and 2.7.3 installed with Slicer).
> However, I don't compile any code, and I don't use cmake. I just do something like 'python script.py'.
> 
> I tried in both terminal, and it worked in none of them, but it worked in Slicer python interpreter. I guess Slicer set proper environment variable, but I cannot figure it out which one I should set.
> 
> -Laurent
> 
> 
> 
> 
> 
> On Tue, Apr 29, 2014 at 5:49 PM, Michka Popoff <michkapopoff at gmail.com> wrote:
> Hi
> 
> if you need an easy install way on OS X 10.9, you may try installing vtk through homebrew.
> There are formulas for VTK 5 and VTK 6 which contain the right options to install on OS X.
> (Installation goes with "brew install vtk --with python")
> 
> You can also try my binaries, which are installable through homebrew (https://github.com/iMichka/homebrew-MacVTKITKPythonBottles)
> In this case you don't even have to compile VTK :)
> 
> The error you get is often due to a python library mismatch. Cmake is picking up the wrong libraries (the python lib does not correspond to the python executable).
> Do you have mutliple pythons installed ?
> You can also check the python paths in cmake (especially the path of the PYTHON_LIBRARY).
> 
> Michka
> 
> Le 29 avr. 2014 à 23:36, Laurent Chauvin a écrit :
> 
>> Hello VTK Users,
>> 
>> I'm trying to run an example of VTK (the vtk Cube.py example) in python on Mac OSX 10.9.
>> I have VTK 5.10.1 and python 2.7.5.
>> 
>> I read this page:
>> http://www.vtk.org/Wiki/VTK/Tutorials/PythonEnvironmentSetup
>> 
>> which solved the 'no module named vtk' error, but now, I got another error:
>> 
>> Fatal Python error: PyThreadState_Get: no current thread
>> Abort trap: 6
>> 
>> I heard the VTK 5.10 is not compatible with OSX 10.9, but it was a while ago (end of 2013).
>> 
>> The example is working when I use the python interpreter in Slicer, so my guess is this is an issue with the environment path, but I cannot figure it out.
>> 
>> Does anyone already ran vtk python examples in OSX 10.9 ?
>> 
>> Thank you very much.
>> -Laurent
>> 
>> -- 
>> Laurent Chauvin, MS
>> Surgical Navigation and Robotics Laboratory, Radiology Department
>> Brigham And Women's Hospital, Harvard Medical School
>> http://wiki.ncigt.org/index.php/User:Lchauvin
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> 
> 
> -- 
> Laurent Chauvin, MS
> Surgical Navigation and Robotics Laboratory, Radiology Department
> Brigham And Women's Hospital, Harvard Medical School
> http://wiki.ncigt.org/index.php/User:Lchauvin

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