To get the identifier of the detector mask, it is necessary to run a query of the following type:

{
    "method":"axxonsoft.bl.config.ConfigurationService.ListUnits",
    "data":{
        "unit_uids": ["hosts/Server1/AppDataDetector.1"]
    }
}

where unit_uids is the name of the required detector (see Manage devices using gRPC API methods (ConfigurationService)).

Find the units parameter group in the query response:

  "units": [
                {
                    "uid": "hosts/Server1/AppDataDetector.1/VisualElement.76c7fadf-7f96-4f30-b57a-e3ba585fbc6f",
                    "display_id": "76c7fadf-7f96-4f30-b57a-e3ba585fbc6f",
                    "type": "VisualElement",
                    "display_name": "Polyline",
                    "access_point": "",
                    "properties": [
                        {
                            "id": "polyline",
                            "name": "Polyline",
                            "description": "Polyline.",
                            "type": "SimplePolygon",
                            "readonly": false,
                            "internal": false,
                            "value_simple_polygon": {
                                "points": [
                                    {
                                        "x": 0.01,
                                        "y": 0.01
                                    },
                                    {
                                        "x": 0.01,
                                        "y": 0.99
                                    },
                                    {
                                        "x": 0.99,
                                        "y": 0.99
                                    },
                                    {
                                        "x": 0.99,
                                        "y": 0.01
                                    }
                                ]
                            }
                        }

where 

  • uid is a mask identifier.
  • x, y are coordinates of the point apex.

To change the points of the mask, it is necessary to run a query using the obtained mask uid:

{
    "method": "axxonsoft.bl.config.ConfigurationService.ChangeConfig",
    "data": {
        "changed": [
            {
                "uid": "hosts/Server1/AppDataDetector.1/VisualElement.76c7fadf-7f96-4f30-b57a-e3ba585fbc6f",
                "type": "VisualElement",
                "properties": [
                        {
                            "id": "polyline",
                            "value_simple_polygon": {
                                "points": [
                                   {
                                        "x": 0.01,
                                        "y": 0.01
                                    },
                                    {
                                        "x": 0.01,
                                        "y": 0.99
                                    },
                                    {
                                        "x": 0.99,
                                        "y": 0.99
                                    },
                                    {
                                        "x": 0.99,
                                        "y": 0.01
                                    }
                                ]
                            }
                        
                    }
                ]
            }
        ]
    }

You can also add and remove the polygon points of the mask using this query.

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