...


Warning: channel e pulse at 2338020987.0 (len 4017, samples 1): skip 0, sweep H, data 1
Start sweep seq 2: ch A, sweep V, pulse detected by 32 sensors
Start sweep seq 3: ch A, sweep H, pulse detected by 32 sensors
Start sweep seq 3: ch A, sweep V, pulse detected by 31 sensors
Warning: channel e pulse at 2339220890.0 (len 4508, samples 1): skip 0, sweep V, data 1
Start sweep seq 4: ch A, sweep H, pulse detected by 31 sensors
Warning: channel e pulse at 2339620976.0 (len 4012, samples 1): skip 0, sweep H, data 1
Start sweep seq 4: ch A, sweep V, pulse detected by 32 sensors
Start sweep seq 5: ch A, sweep H, pulse detected by 32 sensors
Start sweep seq 5: ch A, sweep V, pulse detected by 31 sensors
Warning: channel e pulse at 2340820886.0 (len 4508, samples 1): skip 0, sweep V, data 1
Start sweep seq 6: ch A, sweep H, pulse detected by 31 sensors
Warning: channel e pulse at 2341220968.0 (len 3006, samples 1): skip 0, sweep H, data 0
Start sweep seq 6: ch A, sweep V, pulse detected by 32 sensors
Start sweep seq 7: ch A, sweep H, pulse detected by 32 sensors
Start sweep seq 7: ch A, sweep V, pulse detected by 31 sensors
Warning: channel e pulse at 2342420875.0 (len 4507, samples 1): skip 0, sweep V, data 1
Start sweep seq 8: ch A, sweep H, pulse detected by 31 sensors
Warning: channel e pulse at 2342820934.0 (len 4012, samples 1): skip 0, sweep H, data 1
Start sweep seq 8: ch A, sweep V, pulse detected by 32 sensors
OpenCV Error: Assertion failed (m.dims >= 2) in Mat, file /build/opencv/src/opencv-3.3.1/modules/core/src/matrix.cpp, line 474
terminate called after throwing an instance of 'cv::Exception'
  what():  /build/opencv/src/opencv-3.3.1/modules/core/src/matrix.cpp:474: error: (-215) m.dims >= 2 in function Mat

[1]    2463 abort (core dumped)  build/examples/opengl/openglexample