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diff --git a/README.md b/README.md new file mode 100644 index 0000000..4b3fb23 --- /dev/null +++ b/README.md @@ -0,0 +1,42 @@ +# GeoFence Service + +## Overview + +GeoFence service allows events to be triggered when vehicle enters, leaves, or dwells within +a defined bounding box + +## Verbs + +| Name | Description | JSON Parameters | +| ------------------ |:----------------------------------------|:-------------------------------------------------------------------------------------------| +| subscribe | subscribe to geofence events | *Request:* {"value": "fence"} | +| unsubscribe | unsubscribe to geofence events | *Request:* {"value": "fence"} | +| add_fence | add geofence bounding box | *Request:* {"name": "fence_name", "bbox": [...]} | +| remove_fence | remove named geofence | *Request:* {"name": "fence_name" } | +| list_fences | list current bounding boxes and state | *Response:* array of {"name": "fence_name, "bbox": [...], "within": false, "dwell": false} | +| dwell_transition | get/set dwell transition time interval | *Request:* {"value": 10} *Response:* {"seconds": 10} | + +## Bounding Box + +Fence boundaries are defined with a bounding box parameter (i.e. bbox) in the following format + +<pre> + ... + "bbox": { + "min_latitude": 45.600136, + "max_latitude": 45.600384, + "min_longitude": -122.499217, + "max_longitude": -122.498732, + } + ... +</pre> + +## Events + +| Name | Description | JSON Response | +| ------------------ |:-------------------------------------|:-------------------------------------------| +| fence | event that reports geofence status | {"name": "fence_name", "state": "entered"} | + +### fence Event Notes + +*state* parameter in event response can have one of the following values *entered*, *exited*, or *dwell* |