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    Camera Trigger
    • 14 Nov 2024
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    Camera Trigger

    • Updated on 14 Nov 2024
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    Article summary

    Trigger camera capture

    Cameras under a camera capture app can be triggered using this endpoint. Each camera capture app must have an input subject. The number of frames triggered during one trigger can be configured via the camera capture app.

    POST /1/trigger
HOST: http://<gateway ip address or hostname>:8000

    Arguments for the app are shown below:

    Argument

    Description

    Example

    trigger_subject string

    (mandatory) the input subject into a camera capture app

    testtriggersubject1_4ac

    domain_unit string

    (optional) domain id for set assignment grouping or allowing correlation between groups of images

    "test-domain-1

    custom_data string

    (optional) opaque data carried through an application pipeline

    <any string>

    Responses

    Status Code

    Description

    200

    Successfully sent trigger to camera capture application.

    4xx

    Cannot parse trigger data

    API usage example:

    def trigger_cam(input_subject_uid, domain_unit):
    custom_data = json.dumps('{"test_132": "abcded", "alpha": 29333393}')
    data = {'trigger_subject': input_subject_uid, 'domain_unit': domain_unit,
            'custom_data': custom_data}
    resp = requests.post(URL_PREFIX + 'trigger', data=data,  timeout=TIMEOUT)
    if not resp.ok:
        logger.error("Error: %d" % resp.status_code)
        return None

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