[vtkusers] Python and VTK

[Nick Torenvliet]

Hey Dan,

It looks like it worked.

On my second last pass, I was compiling "without shared libraries" and got
some error in the make output indicating something like "I don't want to do
that because it requires shared libraries."  I had "shared libraries" as
negative in the config step.

On my last ccmake I configured for "with shared libraries" and my last
compile just finished with no errors.

It looks like somewhere in the ccmake process, a dependency on "shared
libraries" exists,  and config passes with no errors even if "shared
libraries" is off - this leads to a fail at compile time.

Seems like a hard to reproduce error, let me know if you want any of my
local files to document a possible bug in the compile process.

Regards,

Nick

On Wed, Sep 27, 2017 at 10:36 AM, Dan Lipsa <dan.lipsa at kitware.com> wrote:

> Indeed, that's what you probably need to do. Look at the symbols not found
> and search on the web to see what packages they are part of.
>
> On Wed, Sep 27, 2017 at 10:04 AM, Nick Torenvliet <natorenvliet at gmail.com>
> wrote:
>
>> Ooops!
>>
>> Hey Dan, thanks!  It is now working fine - guess I need to bone up on my
>> ccmake skills.
>>
>> Another question then,
>>
>> A couple of the examples are coughing with:
>>
>> _tkinter.TclError: couldn't load file "libvtkRenderingPythonTkWidget
>> s-8.0.so": libvtkRenderingPythonTkWidgets-8.0.so: cannot open shared
>> object file: No such file or directory
>>
>> So to address this I am attempting to rebuild with GROUP_TK set on.
>>
>> Now I get the following compile error:
>> [ 87%] Linking CXX executable ../../../../bin/vtkInteraction
>> WidgetsCxxTests
>> [ 87%] Built target vtkInteractionWidgetsCxxTests
>> Makefile:138: recipe for target 'all' failed
>> make: *** [all] Error 2
>>
>> I'm going to hunt around and probably install twenty or so random
>> packages that look anything like what I find @ 138 but if anyone knows what
>> I need to do, please let me know.
>>
>> Thanks,
>>
>> Nick
>>
>>
>>
>>
>>
>>
>> On Wed, Sep 27, 2017 at 9:26 AM, Dan Lipsa <dan.lipsa at kitware.com> wrote:
>>
>>> Nick,
>>>
>>> You should have VTK_PYTHON_VERSION=3 and VTK_WRAP_PYTHON=ON
>>> You should use vtkpython. This has all the right paths to see the VTK
>>> library.
>>>
>>> Take a look in your CMakeCache.txt and search for python to see your
>>> python related variables. If some point to python2 paths delete them and
>>> reconfigure and rebuild your VTK.
>>>
>>> Hope this helps,
>>> Dan
>>>
>>>
>>> On Tue, Sep 26, 2017 at 9:32 PM, Nick Torenvliet <natorenvliet at gmail.com
>>> > wrote:
>>>
>>>> Hi,
>>>>
>>>> I'm running ubuntu 16.04 with python3.
>>>>
>>>> After compiling and installing vtk8 the following occurs.
>>>>
>>>> 1- I have an issue with doxygen / docs during vtk make install
>>>>
>>>> After make install
>>>>
>>>> 1- I fire up a python 3 window and can import vtk, but cannot call any
>>>> of the vtk functions except for those beginning with __
>>>> 2- I fire up my python2 window and cannot import vtk at all
>>>> 3- I fire up vtkpython, which looks to be p3.5 and cannot import vtk at
>>>> all
>>>>
>>>> I feel like I'm missing a major step hooking the wrappers up into the
>>>> python environment.
>>>>
>>>> My desired functionality is to have vtk in python 3.5, optimally in a
>>>> venv if possible.
>>>>
>>>> Any ideas?
>>>>
>>>> Nick
>>>>
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>>
>
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