Camera Trigger

Trigger cameras under a camera capture application

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.

endpoint

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

Responses

Status Code	Description
200	Successful sent trigger to camera capture application.
4xx	Cannot parse trigger data

API usage example:

Python

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