Hm, then the empty window usually indicates there's not enough samples
that have reached your graphical sink at all, *or* there's something odd
with OpenGL in your VM.
On 03/18/2015 02:41 PM, NIKOS BIZANIS wrote:
> No I am running it in my machine, using a VM in VMWare player.
>
> Greetings,
> Nikos
>
>
> ------------------------------------------------------------------------
> *From:* discuss-gnuradio-bounces+n.bizanis=student.tudelft...@gnu.org
> [discuss-gnuradio-bounces+n.bizanis=student.tudelft...@gnu.org] on
> behalf of NIKOS BIZANIS [n.biza...@student.tudelft.nl]
> *Sent:* Wednesday, March 18, 2015 2:38 PM
> *To:* discuss-gnuradio@gnu.org
> *Subject:* Re: [Discuss-gnuradio] Run-time error while executing a
> simple flowgraph in GNU Radio companion
>
> Yes, that was the reason I was getting the run-time error. I did set
> the build options to WX GUI in the options block (it was set to QT
> GUI) previously, and now it runs. The problem is that when the window
> opens I can't see any FFT plot, it is just a blank window, and I get
> the message:
>
> Warning: failed to XInitThreads()
> Using Volk machine: avx_32_mmx
>
> Greetings,
> Nikos
>
> ------------------------------------------------------------------------
> *From:* discuss-gnuradio-bounces+n.bizanis=student.tudelft...@gnu.org
> [discuss-gnuradio-bounces+n.bizanis=student.tudelft...@gnu.org] on
> behalf of Marcus Müller [marcus.muel...@ettus.com]
> *Sent:* Wednesday, March 18, 2015 2:31 PM
> *To:* discuss-gnuradio@gnu.org
> *Subject:* Re: [Discuss-gnuradio] Run-time error while executing a
> simple flowgraph in GNU Radio companion
>
> That is a good sign! This looks like you're using WX widgets, but you
> haven't set the build options to WX GUI (could be "No GUI" or "QT
> GUI") in the options block in your GRC flow graph.
>
> Greetings,
> Marcus
>
> On 03/18/2015 01:25 PM, NIKOS BIZANIS wrote:
>> After running ldconfig I still get an error, but a somewhat different
>> one:
>>
>> Warning: failed to XInitThreads()
>> Traceback (most recent call last):
>> File "/home/nikos/top_block.py", line 105, in <module>
>> tb = top_block()
>> File "/home/nikos/top_block.py", line 56, in __init__
>> self.GetWin(),
>> File
>> "/usr/local/lib/python2.7/dist-packages/gnuradio/gr/hier_block2.py",
>> line 93, in __getattr__
>> return getattr(self._impl, name)
>> AttributeError: 'top_block_sptr' object has no attribute 'GetWin'
>>
>> Is it still the case that I am missing some library, or it is
>> installed elsewhere than it should?
>>
>> Thank you again,
>> Nikos
>>
>>
>> ------------------------------------------------------------------------
>> *From:* discuss-gnuradio-bounces+n.bizanis=student.tudelft...@gnu.org
>> [discuss-gnuradio-bounces+n.bizanis=student.tudelft...@gnu.org] on
>> behalf of Marcus Müller [marcus.muel...@ettus.com]
>> *Sent:* Wednesday, March 18, 2015 1:08 PM
>> *To:* discuss-gnuradio@gnu.org
>> *Subject:* Re: [Discuss-gnuradio] Run-time error while executing a
>> simple flowgraph in GNU Radio companion
>>
>> Ah well, in that case: it seems like you've successfully installed
>> the block definition XML files to a place GRC can find them, but that
>> does not apply to the library you're missing now. If "sudo ldconfig"
>> doesn't help, make sure that
>> make install
>>
>> inside your gnuradio/build directory actually is successful. If you
>> get errors about missing permissions, you might want to run the
>> command via sudo:
>> sudo make install
>>
>> You might also want to have a look at
>> gnuradio/build/install_manifest.txt, which should list all the files
>> that were installed. look for a line containing the library you're
>> missing -- where did it get installed to? Where did, for example,
>> gnuradio-companion get installed to? Is that the same as what "which
>> gnuradio-companion" is telling you?
>>
>> Best regards,
>> Marcus
>>
>>
>>
>>
>> On 03/18/2015 01:01 PM, NIKOS BIZANIS wrote:
>>> Hi Marcus,
>>>
>>> What I meant by "able to use", was that I was able to find the
>>> blocks using the search facility and put the block to a flowgraph. I
>>> had not actually tried to build and execute a flowgraph containing
>>> any of these blocks, and now that I tried this was the result.
>>>
>>> Greetings,
>>> Nikos
>>>
>>> ------------------------------------------------------------------------
>>> *From:*
>>> discuss-gnuradio-bounces+n.bizanis=student.tudelft...@gnu.org
>>> [discuss-gnuradio-bounces+n.bizanis=student.tudelft...@gnu.org] on
>>> behalf of Marcus Müller [marcus.muel...@ettus.com]
>>> *Sent:* Wednesday, March 18, 2015 12:48 PM
>>> *To:* discuss-gnuradio@gnu.org
>>> *Subject:* Re: [Discuss-gnuradio] Run-time error while executing a
>>> simple flowgraph in GNU Radio companion
>>>
>>> Hi Nikos,
>>>
>>> you said earlier you were able to use WX widgets. Did you do
>>> something in between that and your system now not being able to find
>>> the libgnuradio-wxgui library?
>>>
>>> Greetings,
>>> Marcus
>>>
>>> On 03/18/2015 12:34 PM, NIKOS BIZANIS wrote:
>>>> Hey all,
>>>>
>>>> Just to start experimenting with GNU Radio and companion I just
>>>> created a simple flowgraph consisting of a Signal Source Block and
>>>> a WX GUI FFT Sink connected to it, to see if the diagram will be
>>>> generated. I get a run-time error, namely:
>>>>
>>>> Executing: "/home/nikos/top_block.py"
>>>>
>>>> Traceback (most recent call last):
>>>> File "/home/nikos/top_block.py", line 12, in <module>
>>>> from gnuradio import wxgui
>>>> File
>>>> "/usr/local/lib/python2.7/dist-packages/gnuradio/wxgui/__init__.py", line
>>>> 32, in <module>
>>>> from wxgui_swig import *
>>>> File
>>>> "/usr/local/lib/python2.7/dist-packages/gnuradio/wxgui/wxgui_swig.py",
>>>> line 28, in <module>
>>>> _wxgui_swig = swig_import_helper()
>>>> File
>>>> "/usr/local/lib/python2.7/dist-packages/gnuradio/wxgui/wxgui_swig.py",
>>>> line 24, in swig_import_helper
>>>> _mod = imp.load_module('_wxgui_swig', fp, pathname, description)
>>>> ImportError: libgnuradio-wxgui-3.7.6.1.so.0.0.0: cannot open shared
>>>> object file: No such file or directory
>>>>
>>>> What could be wrong here?
>>>>
>>>> Thank you,
>>>> Nikos
>>>>
>>>>
>>>> _______________________________________________
>>>> Discuss-gnuradio mailing list
>>>> Discuss-gnuradio@gnu.org
>>>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>>>
>>>
>>>
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>>
>>
>>
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