gps geofencing filter

Fetch perimeter information from message metadata

There are two options of area definition based on the perimeter type:

Polygon

Metadata of the incoming message must include key with name perimeter and following data structure:

[[lat1,lon1],[lat2,lon2], ... ,[latN,lonN]]

Circle

"centerLatitude": "value1", "centerLongitude": "value2", "range": "value3"

All values for these keys are in double-precision floating-point data type.

The "rangeUnit" key requires specific value from a list of METER, KILOMETER, FOOT, MILE, NAUTICAL_MILE (capital letters obligatory).

Fetch perimeter information from node configuration

There are two options of area definition based on the perimeter type:

Polygon

Circle

if configured latitude and longitude are inside configured perimeter message sent via True chain, otherwise False chain is used.

Failure chain will to be used when:

• incoming message has no configured latitude or longitude key in data or metadata.

• missing perimeter definition;