Re: Re: [Discuss-gnuradio] import qtgui error

[Tom Rondeau]

On Wed, Dec 22, 2010 at 7:13 PM, lishan_wh <address@hidden> wrote:
> Tom,
>    I use Ubuntu 9.04 and QWT-5.0.2.
>    Thank you!
> Ally


Strange, I'm able to run this example on an Ubuntu 8.04 running
QWT-5.0.2, QT 4.3.4, and GNU Radio v. 3.3.0.

Are you sure you don't have multiple installations of QT4, QWT, or GNU
Radio anywhere?

Tom



> At 2010-12-22 22:55:41，"Tom Rondeau" <address@hidden> wrote:
>>2010/12/22 lishan_wh <address@hidden>:
>>> I tried the code of 'Tutorial - Using the QT GUI Blocks in GNU Radio', but
>>> error occurred.
>>>
>>> Traceback (most recent call last):
>>>   File "qt_basics.py", line 4, in <module>
>>>     from gnuradio.qtgui import qtgui
>>>   File
>>> "/opt/gnuradio/3.3.0/lib/python2.6/site-packages/gnuradio/qtgui/qtgui.py",
>>> line 6, in <module>
>>>     import _qtgui
>>> ImportError: /opt/gnuradio/3.3.0/lib/libgnuradio-qtgui-3.3.0.so.0: undefined
>>> symbol: _ZN9QwtPicker5resetEv
>>>
>>> Who can tell me what is the problem? Thank you!
>>
>>What version of QWT are you using? What's your OS?
>>
>>Tom
>
>