[Discuss-gnuradio] cannot find block tree panel in grc

Hello, Recently I update the system using apt-get update and apt-get upgrade, then I noticed the block tree panel in my GRC was completely disappeared. When I click the search button or use view setting, it never showed up. Remove GNUradio and reinstall did not fix this problem at all. And when I

[Discuss-gnuradio] How to get precise time tag from blocks_meta_data_sink

Hi, I'm trying to use blocks_file_meta_sink to record data with tags, and then use gr_read_file_metadata.py to read .hdr file, and I got this output: " " " HEADER 30 Version Number: 0 Sample Rate: 2000.00 sps Seconds: 1556652948.179670 Item size: 8 Data Type: float (5) Complex? True Header Len

[Discuss-gnuradio] WX GUI and QT GUI not working

Hi everybody, I just installed gnuradio on Ubuntu 16.04 and tested a really simple flow graph in GRC, an USRP source connected to a WX FFT sink, however I got this error: File "/home/ziang/workarea-grc/top_block.py", line 166, in main() File "/home/ziang/workarea-grc/top_block.py", line 1