set_predictions_callback
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set_predictions_callback
- 1 Minute to read
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This method allows you to set either a synchronous or an asynchronous callback, which will be triggered each time a new message arrives in the predictions topic. If callback_async is defined, the callback is ignored. One of the callbacks must be defined.
Reference
Arguments
| Arguments | Type | Default value | Description |
|---|---|---|---|
| callback | callable | None | Callback that will be invoked when a prediction arrives. |
| callback_async | callable | None | Async callback that will be invoked when a prediction arrives. |
| as_dict | bool | False | If set to true, the predictions will be returned as a dictionary; otherwise, they will be returned as a list. |
| call_without_predictions | bool | False | If it is set to true, the callback will be called even when there are no predictions. If it is set to false, the callback will not be called when there are no predictions. |
Return
None
Exceptions
None
See the complete list of cv exceptions.
Examples
def callback_prediction(self, msg):
self.prediction_received = True
...
self.predictor.set_predictions_callback(
callback=self.callback_prediction,
as_dict=True,
call_without_detections=True,
)
...
...
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