{ "title": "foxglove.LocationFix", "description": "A navigation satellite fix for any Global Navigation Satellite System", "$comment": "Generated by https://github.com/foxglove/foxglove-sdk", "type": "object", "properties": { "timestamp": { "type": "object", "title": "time", "properties": { "sec": { "type": "integer", "minimum": 0 }, "nsec": { "type": "integer", "minimum": 0, "maximum": 999999999 } }, "description": "Timestamp of the message" }, "frame_id": { "type": "string", "description": "Frame for the sensor. Latitude and longitude readings are at the origin of the frame." }, "latitude": { "type": "number", "description": "Latitude in degrees" }, "longitude": { "type": "number", "description": "Longitude in degrees" }, "altitude": { "type": "number", "description": "Altitude in meters" }, "position_covariance": { "type": "array", "items": { "type": "number" }, "minItems": 9, "maxItems": 9, "description": "Position covariance (m^2) defined relative to a tangential plane through the reported position. The components are East, North, and Up (ENU), in row-major order." }, "position_covariance_type": { "title": "foxglove.PositionCovarianceType", "description": "If `position_covariance` is available, `position_covariance_type` must be set to indicate the type of covariance.", "oneOf": [ { "title": "UNKNOWN", "const": 0, "description": "Unknown position covariance type" }, { "title": "APPROXIMATED", "const": 1, "description": "Position covariance is approximated" }, { "title": "DIAGONAL_KNOWN", "const": 2, "description": "Position covariance is per-axis, so put it along the diagonal" }, { "title": "KNOWN", "const": 3, "description": "Position covariance of the fix is known" } ] }, "heading": { "type": "number", "description": "Heading (yaw angle), in radians, measured clockwise from north" }, "velocity": { "title": "foxglove.Vector3", "description": "Velocity in local East-North-Up (ENU) frame in m/s", "type": "object", "properties": { "x": { "type": "number", "description": "x component" }, "y": { "type": "number", "description": "y component" }, "z": { "type": "number", "description": "z component" } }, "required": [ "x", "y", "z" ] }, "color": { "title": "foxglove.Color", "description": "Color used to visualize the location", "type": "object", "properties": { "r": { "type": "number", "description": "Red value between 0 and 1" }, "g": { "type": "number", "description": "Green value between 0 and 1" }, "b": { "type": "number", "description": "Blue value between 0 and 1" }, "a": { "type": "number", "description": "Alpha value between 0 and 1" } }, "required": [ "r", "g", "b", "a" ] }, "metadata": { "type": "array", "items": { "title": "foxglove.KeyValuePair", "description": "A key with its associated value", "type": "object", "properties": { "key": { "type": "string", "description": "Key" }, "value": { "type": "string", "description": "Value" } }, "required": [ "key", "value" ] }, "description": "Additional user-provided metadata associated with the location fix. Keys must be unique." } }, "required": [ "timestamp", "frame_id", "latitude", "longitude", "altitude", "position_covariance", "position_covariance_type" ] }