🚀 farm-ng-core v0.1.3 released!

edgarriba · November 29, 2022, 9:57pm

We have released farm-ng-core v0.1.3 !!

See the changelog in the link below

This release goes accompanied by an update of the file_reader example in farm-ng-amiga, which introduces the EventsLogPosition API to easily implement fast events filtering with the EventsFileReader.

You can now get the index from the EventFileReader and perform filtering with Python list comprehension

github.com

farm-ng/farm-ng-amiga/blob/3916630a17322caaaeaca76627a919c349c046ce/py/examples/file_reader/main.py#L36-L42


      
          # filter the events containing `oak_pb2.OakDataSample`
          events: List[EventLogPosition] = [
              x for x in reader.get_index() if event_has_message(x.event, oak_pb2.OakDataSample)
          ]
          
          
# filter the image based events by camera name
          cam_events: List[EventLogPosition] = [x for x in events if x.event.uri.path == f"{camera_name}/video"]

Then you can easily parse the message directly from the event log

github.com

farm-ng/farm-ng-amiga/blob/3916630a17322caaaeaca76627a919c349c046ce/py/examples/file_reader/main.py#L44-L47


      
          for event_log in cam_events:
              # parse the message
              sample: oak_pb2.OakDataSample
              sample = event_log.read_message()

Feel free to suggest changes or propose contributions by opening and issue
>_ The Farm-ng team

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🚀 farm-ng-core v0.1.3 released!

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