Hi everyone, I've just joined the list and I'm trying to execute a flow in GRC on an RPi3 accessed via a remote desktop connection (I need to run it headless because I'd like to use it for radio-astronomy with an SDR). The flow is extremely simple (just an osmocom source and the WX GUI FFT sink, I'm trying to test the setup before doing anything).
I did pass the first error, by setting [wxgui] style=nongl in ~/.gnuradio/config.conf but got C++ assertion "m_window" failed at ../src/gtk/dcclient.cpp(2043) in DoGetSize(): GetSize() doesn't work without window when running the flow. Googling for it revealed a workaround <https://nuand.com/forums/viewtopic.php?t=3604&p=5820> 2 years ago (downgrading Python) and another message <https://lists.gnu.org/archive/html/discuss-gnuradio/2014-06/msg00221.html> on this list about the QT widgets that will replace the WX ones. So I replaced the WX GUI FFT sink with the QT Frequency Sink and now I get a different error (and no output): Executing: "/home/pi/top_block.py" linux; GNU C++ version 4.9.1; Boost_105500; UHD_003.007.003-0-unknown Using Volk machine: neon_hardfp_orc Traceback (most recent call last): File "/home/pi/top_block.py", line 139, in <module> tb = top_block() File "/home/pi/top_block.py", line 63, in __init__ self.top_layout.addWidget(self._qtgui_waterfall_sink_x_0_win) File "/usr/lib/python2.7/dist-packages/gnuradio/gr/top_block.py", line 101, in __getattr__ return getattr(self._tb, name) *AttributeError: 'top_block_sptr' object has no attribute 'top_layout'* I would appreciate some help here for choosing the recommended way to approach this (if possible at all). Many thanks, JL
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