Hi Vikram, 
 probably at this point the fastest way to solve your VTK problem is to write 
to the vtkusers mailing list 
(http://public.kitware.com/mailman/listinfo/vtkusers).
It looks like your graphic device is not configured properly on your system (or 
you're running the console off a network connection).

Luca

On Oct 29, 2010, at 4:21 PM, Vikram Mehta wrote:

> Hi Luca,
> 
> No luck - still says no module named vtk.
> 
> I learnt that vmtk relied on vtk and I was trying to test an example from 
> vtk's tutorial folder before running vmtk but I had an error like :
> 
> Xlib:  extension "GLX" missing on display ":0.0".
> Xlib:  extension "GLX" missing on display ":0.0".
> Xlib:  extension "GLX" missing on display ":0.0".
> Xlib:  extension "GLX" missing on display ":0.0".
> Xlib:  extension "GLX" missing on display ":0.0".
> Xlib:  extension "GLX" missing on display ":0.0".
> ERROR: In /home/vm308/src/VTK/Rendering/vtkXOpenGLRenderWindow.cxx, line 404
> vtkXOpenGLRenderWindow (0xc4c75a0): Could not find a decent visual
> 
> 
> Segmentation fault
> 
> 
> Vikram.
> 
> 
> On Fri, Oct 29, 2010 at 3:11 PM, Luca Antiga <luca.ant...@gmail.com> wrote:
> Hi Vikram,
>  ok, so vmtk relies on vtk, and if vtk doesn't work, there's no chance vmtk 
> will work either.
> First things first: getting vtk to work. 
> 
> Try adding these lines to the usual .bashrc file:
> PYTHONPATH=/usr/local/lib/python2.7/site-packages:$PYTHONPATH
> export PYTHONPATH
> 
> and repeat the python, import vtk thing.
> 
> Luca
> 
> 
> On Oct 29, 2010, at 4:07 PM, Vikram Mehta wrote:
> 
>> Hi Luca,
>> 
>> I know this is hard. Unfortunately I do not have anyone around me to go to 
>> which is why I am on the mailing lists. I really appreciate your help.
>> 
>> Unfortunately, there seems to be an error in this too ! 
>> 
>> On calling python, I get :
>> 
>> Python 2.7 (r27:82500, Oct 20 2010, 11:56:48) 
>> [GCC 4.1.2 20080704 (Red Hat 4.1.2-46)] on linux2
>> Type "help", "copyright", "credits" or "license" for more information.
>> >>> import vtk
>> Traceback (most recent call last):
>>   File "<stdin>", line 1, in <module>
>> ImportError: No module named vtk
>> >>> 
>> 
>> Best regards,
>> Vikram.
>> 
>> 
>> 
>> 
>> On Fri, Oct 29, 2010 at 2:58 PM, Luca Antiga <luca.ant...@gmail.com> wrote:
>> Hi Vikram,
>>  I'm really not sure here, troubleshooting at a distance is hard. vmtk has 
>> binary packages available for Ubuntu (plus Mac OSX and Windows), which means 
>> that if you are on Ubuntu you can just install it with a couple of commands 
>> without configuration hassles. However, I'm not sure if you have the freedom 
>> to choose what distribution to use.
>> 
>> Having said this, let's try to take a step back: what happens if you enter 
>> the python interpreter by calling
>> python
>> and from there typing
>> import vtk
>> ?
>> 
>> Luca
>> 
>> On Oct 29, 2010, at 3:51 PM, Vikram Mehta wrote:
>> 
>>> Hi Luca,
>>> 
>>> I tried what you suggested but it says there is no module by that name.
>>> 
>>> Best regards,
>>> vikram
>>> 
>>> 
>>> On Fri, Oct 29, 2010 at 2:28 PM, Luca Antiga <luca.ant...@gmail.com> wrote:
>>> Hi Vikram,
>>>  it looks like your system has two versions of the Tcl library, one that 
>>> you compiled against, and one that Python is expecting to find.
>>> 
>>> Anyway, you can go ahead without fixing the problem, since you don't 
>>> strictly need the Tk GUI on linux, you can run everything from the command 
>>> line.
>>> 
>>> Try something like
>>> 
>>> vmtkimagereader --help
>>> 
>>> and see if you get this sort of output:
>>> 
>>> Creating vmtkImageReader instance.
>>> Automatic piping vmtkimagereader
>>> Parsing options vmtkimagereader
>>> 
>>> vmtkimagereader : read an image and stores it in a vtkImageData object
>>>   Input arguments:
>>>    -id Id (str,1); default=0: script id
>>>    -handle Self (self,1): handle to self
>>>    -disabled Disabled (bool,1); default=0: disable execution and
>>>      piping
>>> [...]
>>> 
>>> Luca
>>> 
>>> On Oct 29, 2010, at 1:59 PM, Vikram Mehta wrote:
>>> 
>>>> Hi Luca,
>>>> 
>>>> I know it was an example which is why I was surprised it still showed up 
>>>> even after my bashrc file had vtk 5.6 in it. Anyway that is fine now. 
>>>> 
>>>> But when I call vmtk from my home directory, I receive this error :
>>>> 
>>>> 
>>>> Traceback (most recent call last):
>>>>   File "/usr/local/bin/vmtk", line 49, in <module>
>>>>     pypepad.RunPypeTkPad()
>>>>   File "/usr/local/lib/vmtk/vmtk/pypepad.py", line 398, in RunPypeTkPad
>>>>     root = Tk()
>>>>   File "/usr/local/lib/python2.7/lib-tk/Tkinter.py", line 1687, in __init__
>>>>     self._loadtk()
>>>>   File "/usr/local/lib/python2.7/lib-tk/Tkinter.py", line 1707, in _loadtk
>>>>     % (_tkinter.TCL_VERSION, tcl_version)
>>>> RuntimeError: tcl.h version (8.5) doesn't match libtcl.a version (8.4)
>>>> 
>>>> 
>>>> I tried looking for it on the net but could not really find any answers to 
>>>> it.
>>>> 
>>>> What do you suggest I do ?
>>>> 
>>>> Best regards,
>>>> Vikram.
>>>> 
>>>> 
>>>> 
>>>> On Fri, Oct 29, 2010 at 8:00 AM, Luca Antiga <luca.ant...@gmail.com> wrote:
>>>> Hi Vikram,
>>>>  vtk-5.3 was there as an example, you should replace it with the directory 
>>>> that's actually in your system. In your case it's probably 
>>>> /usr/local/lib/vtk-5.6
>>>> 
>>>> Also, by running ./vmtk from the vmtk directory, you are not running the 
>>>> installed version, but a file from the source tree. You should avoid this.
>>>> Try calling vmtk (I mean 'vmtk', not './vmtk') from any other location 
>>>> (like your home directory).
>>>> 
>>>> Best regards
>>>> 
>>>> Luca
>>>> 
>>>> On Oct 28, 2010, at 8:34 PM, Vikram Mehta wrote:
>>>> 
>>>>> Hi Luca,
>>>>> 
>>>>> Well, I did edit the bashrc file and mine looks like this :
>>>>> 
>>>>> 
>>>>> # .bashrc
>>>>> LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib/vmtk
>>>>> export LD_LIBRARY_PATH
>>>>> PYTHONPATH=$PYTHONPATH:/usr/local/lib/vmtk
>>>>> export PYTHONPATH
>>>>> LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib/InsightToolkit
>>>>> export LD_LIBRARY_PATH
>>>>> LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib/vtk-5.6.1
>>>>> export LD_LIBRARY_PATH
>>>>> 
>>>>> # Source global definitions
>>>>> if [ -f /etc/bashrc ]; then
>>>>>         . /etc/bashrc
>>>>> fi
>>>>> 
>>>>> # User specific aliases and functions
>>>>> alias cp='cp -v -i'
>>>>> alias rm='rm -i'
>>>>> alias mv='mv -i'
>>>>> 
>>>>> ~                                                                         
>>>>>       
>>>>> ~                                                                         
>>>>>       
>>>>> ~                            
>>>>> 
>>>>> When I type the following 
>>>>>  echo $LD_LIBRARY_PATH , I get the following paths :
>>>>> 
>>>>> :/usr/local/lib/vmtk:/usr/local/lib/InsightToolkit:/usr/local/lib/vtk-5.3:/usr/local/lib/vmtk:/usr/local/lib/vmtk:/usr/local/lib/InsightToolkit:/usr/local/lib/vtk-5.3
>>>>> 
>>>>> But I dont understand why the paths show vtk-5.3 when I have installed 
>>>>> vtk-5.6.1 
>>>>> What am I doing wrong ?
>>>>> 
>>>>> I still get the same error as before when I run ./vmtk from the vmtk 
>>>>> directory shown below :I reinstalled vmtk and this time I even ran sudo 
>>>>> make install after make as I was added to the sudo list.
>>>>> 
>>>>> [vm...@dyn109-239 vmtk-0.9.0]$ ls
>>>>> bin                  CMakeLists.txt        Makefile    
>>>>> VMTKBuildSettings.cmake   vmtk.py
>>>>> CMakeCache.txt       Copyright.txt         PypeS       VMTKConfig.cmake   
>>>>>        vmtk.pyc
>>>>> CMakeFiles           distribution          TODO.txt    vmtkenv            
>>>>>        vmtkScripts
>>>>> CMakeInput           __init__.py           vmtk        vmtkenv.py         
>>>>>        VMTKUse.cmake
>>>>> cmake_install.cmake  install_manifest.txt  vmtk-build  
>>>>> VMTKLibraryDepends.cmake  vtkVmtk
>>>>> [vm...@dyn109-239 vmtk-0.9.0]$ ./vmtk
>>>>> Traceback (most recent call last):
>>>>>   File "./vmtk", line 4, in <module>
>>>>>     from vmtk import pypes
>>>>>   File "/home/vm308/src/vmtk-0.9.0/vmtk.py", line 4, in <module>
>>>>>     from vmtk import pypes
>>>>> ImportError: cannot import name pypes
>>>>> 
>>>>> 
>>>>> I need your help again please. 
>>>>> 
>>>>> Best Regards,
>>>>> Vikram.
>>>>> 
>>>>> 
>>>>> 
>>>>> On Wed, Oct 27, 2010 at 1:23 PM, Luca Antiga <luca.ant...@gmail.com> 
>>>>> wrote:
>>>>> Hi Vikram,
>>>>>  the .bashrc file is a file that should be in your home directory (i.e. 
>>>>> in /home/vm308), but since it starts with a dot (.bashrc), you may not 
>>>>> see it if you just type 'ls' on the command line.
>>>>> Try with
>>>>> ls -a
>>>>> (-a means, all files, including hidden ones), you should see a bunch of 
>>>>> "hidden" files. They are used to store user settings for applications.
>>>>> It is also possible that there is no /home/vm308/.bashrc file, in which 
>>>>> case you can just create an empty one using
>>>>> touch /home/vm308/.bashrc
>>>>> Now, with any text editor, open .bashrc and type the paths as per the 
>>>>> instructions. Save the file and open a new terminal.
>>>>> To be sure the settings are now available to the command line, type
>>>>> echo $LD_LIBRARY_PATH
>>>>> if you see a /usr/local/lib/vmtk among the paths returned by the command 
>>>>> above, then you should be all set and vmtk should work.
>>>>> Let me know if this is ok for you.
>>>>> Best regards
>>>>> 
>>>>> Luca
>>>>> 
>>>>> On Oct 26, 2010, at 4:00 PM, Vikram Mehta wrote:
>>>>> 
>>>>>> Hello,
>>>>>> 
>>>>>> Regarding your reply, I managed to get added onto the sudo list to 
>>>>>> execute the 'sudo make install' list. The Cmake error was no longer 
>>>>>> showing. But this time the error is again :
>>>>>> 
>>>>>> Traceback (most recent call last):
>>>>>>   File "./vmtk", line 4, in <module>
>>>>>>     from vmtk import pypes
>>>>>>   File "/home/vm308/src/vmtk-0.9.0/vmtk.py", line 4, in <module>
>>>>>>     from vmtk import pypes
>>>>>> ImportError: cannot import name pypes
>>>>>> 
>>>>>> On the installation pages of vmtk, I think this is the next step : 
>>>>>> Set a couple of environment variables. For Bash users, type the lines 
>>>>>> below or add them to your .bash_profile or .bashrc file (the difference 
>>>>>> is that with .bash_profile you have to logout and login back again for 
>>>>>> them to have an effect, and it may not work when logging in from 
>>>>>> graphical login managers; on the other side, .bashrc is read everytime a 
>>>>>> user opens up a terminal, so it's executed more often but it's safer).
>>>>>> LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib/vmtk
>>>>>> export LD_LIBRARY_PATH
>>>>>> PYTHONPATH=$PYTHONPATH:/usr/local/lib/vmtk
>>>>>> export PYTHONPATH
>>>>>> Also, don't forget to also add the paths to the ITK shared libraries
>>>>>> LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib/InsightToolkit
>>>>>> export LD_LIBRARY_PATH
>>>>>> * Starting with VTK 5.3, don't forget to also add the paths to the VTK 
>>>>>> shared libraries
>>>>>> LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib/vtk-5.3
>>>>>> export LD_LIBRARY_PATH
>>>>>> 
>>>>>> But could someone explain stepwise how to go through this since I am new 
>>>>>> to Linux and cant seem to work around the bash profile.
>>>>>> Also, how do you add the above paths to the ITK and VTK shared libraries 
>>>>>> ?
>>>>>> 
>>>>>> Please help.
>>>>>> 
>>>>>> Vikram.
>>>>>> 
>>>>>> ------------------------------------------------------------------------------
>>>>>> Nokia and AT&T present the 2010 Calling All Innovators-North America 
>>>>>> contest
>>>>>> Create new apps & games for the Nokia N8 for consumers in  U.S. and 
>>>>>> Canada
>>>>>> $10 million total in prizes - $4M cash, 500 devices, nearly $6M in 
>>>>>> marketing
>>>>>> Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store 
>>>>>> http://p.sf.net/sfu/nokia-dev2dev_______________________________________________
>>>>>> vmtk-users mailing list
>>>>>> vmtk-users@lists.sourceforge.net
>>>>>> https://lists.sourceforge.net/lists/listinfo/vmtk-users
>>>>> 
>>>>> 
>>>> 
>>>> 
>>> 
>>> 
>> 
>> 
> 
> 

------------------------------------------------------------------------------
Nokia and AT&T present the 2010 Calling All Innovators-North America contest
Create new apps & games for the Nokia N8 for consumers in  U.S. and Canada
$10 million total in prizes - $4M cash, 500 devices, nearly $6M in marketing
Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store 
http://p.sf.net/sfu/nokia-dev2dev
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